* Astronomy

A magnitude 15.3 Supernova, 2006X, was discovered on the 7th February by Shoji Suzuki; M. Migliardi (CROSS) in the Spiral Galaxy Messier 100 (NGC 4321) in the constellation Coma Bernices. It is located 12" west and 48" south of the nucleus. M100 lies approximately 65-70 million light years a...

A magnitude 15.0 supernova, 2007st, was discovered on the 22nd December, 2007, by Berto Monard, in the spiral galaxy NGC 692, in the constellation Phoenix. It is located 4" east and 4" South of the nucleus. Position(2000): RA 01h48m42s Dec +48°38'57".8 As yet the type is unknown NG...

Through a stroke of luck, astronomers have witnessed the first violent moments of a stellar explosion known as a supernova. Astronomers have seen thousands of these stellar explosions, but all previous supernovae were discovered days after the event had begun. This is the first time scientists h...

A magnitude 15.1 supernova, 2008eh, was discovered on the 21st July 2008, by B Monard in the unbarred spiral galaxy NGC 2997 in the constellation Antlia. The supernova is located 123E 34N from the centre of the galaxy. [url=http://farm4...

A magnitude 13.7 Supernova, 2005df, was discovered on the 29th July 2005 by Robert Evans, in the galaxy NGC 1559, located 15" east and 40" north of the nucleus. The type is unknown, as yet. Positio...

A Magnitude 14.8 supernova 2005dv, was discovered on 4th of September by the Cortina Astronomical Association (CROSS), in the galaxy NGC 5283 . It is located 8" west of the centre of the galaxy. The Type as yet is unknown. [img]...

A magnitude 16.3, Type IIn, supernova 2005kj, was discovered on the 17th November, 2005, by the Nearby Supernova Factory, in a galaxy in the constellation Hydra. The supernova is located 82" east and 16".5 south of the centre the galaxy. [img]http://static.flickr.com/26...

The magnitude 12.5 Supernova 2006ce, was discovered on May 10th, 2006 by Berto Monard in the 10.8 magnitude spiral galaxy NGC 908 in the constellation Cetus, located 136" west and 28" south of the nucleus of the galaxy. [img]http://static.flickr.com/54/147216299_93b0f1afba_o.j...

Using the Gemini South telescope in Chile, Australian astronomers have found a predicted "companion" star left behind when its partner exploded as a very unusual supernova. The presence of the companion explains why the supernova, which started off looking like one kind of exploding sta...

Title: On the progenitor of SN 2005gl and the nature of Type IIn supernovae Authors: Avishay Gal-Yam (Caltech), D. C. Leonard (SDSU), D. B. Fox (PSU), S. B. Cenko (Caltech), A. M. Soderberg (Caltech), D.-S. Moon (Caltech), D. J. Sand (Steward), W. Li (UCB), A. V. Filippenko (UCB),...

A supernova more than twice as bright as others of its type has been observed, suggesting it arose from a star that managed to grow more massive than theoretically predicted. The observation suggests supernovae of this type are not "standard candles" as previously thought, which could affect thei...

Title: SN 2005hj: Evidence for Two Classes of Normal-Bright SNe Ia and Implications for Cosmology Authors: Robert Quimby, Peter Höflich, J. Craig Wheeler HET Optical spectra covering the evolution from about 6 days before to about 5 weeks after maximum light and the ROTSE-IIIb unfiltered light c...

Title: The Unique Type Ib Supernova 2005bf at Nebular Phases: A Possible Birth Event of A Strongly Magnetized Neutron Star Authors: K. Maeda, M. Tanaka, K.Nomoto, N. Tominaga, K. Kawabata, P.A. Mazzali, H. Umeda, T.Suzuki, T. Hattori Late phase nebular spectra and photometry of Type Ib Supernova...

Title: Radio Detection of Supernova 2004ip in the Circumnuclear Region of the Luminous Infrared Galaxy IRAS 18293-3413 Authors: M. A. Pérez-Torres, S. Mattila, A. Alberdi, L. Colina, J. M. Torrelles, P. Väisänen, S. Ryder, N. Panagia, A. Wilson (Version v2) We report a radio detection of superno...

Title: Chandra Observations of SN 2004et and the X-ray Emission of Type IIp Supernovae Authors: J. Rho, T. H. Jarrett, N. N. Chugai, R. A. Chevalier We report the X-ray detection of the Type II-plateau supernova SN 2004et in the spiral galaxy NGC 6946, using the Chandra X-Ray Observatory. The positi...

Title: The Luminous and Carbon-Rich Supernova 2006gz: A Double Degenerate Merger? Authors: M. Hicken, P. M. Garnavich, J. L. Prieto, S. Blondin, D. L. DePoy, R. P. Kirshner, J. Parrent Spectra and light curves of SN 2006gz show the strongest signature of unburned carbon and one of the slowest fadin...

A magnitude 15.5 supernova, 2008ee was discovered on the 16th July 2008, by LOSS, in the E/S0 galaxy NGC 307 in the constellation Cetus. The supernova is located 6"east and 3" north from the centre of the galaxy. As yet the type is unknown Position(2000): RA 00 56 32.96, Dec -01 46 16.0 [...

A magnitude 15.4 type II supernova, 2008ed, was discovered on the 15th July 2008, by Pignata et al. (CHASE), in the Sb galaxy UGC 2740 in the constellation Taurus. Position(2000): RA 03 26 43.62, Dec +07 42 34.9 The supernova is 28W 17S from the centre of the galaxy [url=http://www.adr...

A magnitude 15.7 supernova, 2008fd, was discovered by CHASE on the 27th August 2008, in the galaxy ESO 466-G24 in the constellation Piscis Austrinus. The supernova is located 16".4 west and 14".4 north of the centre of the galaxy. Position(2000): R.A. = 21h58m09s.22, Dec. = -27°23'17...

Hot News from Taurus Hill Observatory A magnitude 16.9 supernova, 2008fb, was discovered on the 24th August 2008, by the Taurus Hill Observatory in the dwarf galaxy UGC 2813 in the constellation Camelopardalis. The supernova is located 13".5 east and 9".0 north from the centre of the g...

Title: The Exceptionally Luminous Type II-L SN 2008es Authors: A. A. Miller, R. Chornock, D. A. Perley, M. Ganeshalingam, N. R. Butler, J. S. Bloom, N. Smith, M. Modjaz, D. Poznanski, A. V. Filippenko, J. H. Shiode, J. M. Silverman (UC Berkeley) We report on our early photometric and spectroscopic o...

Title: Eleven years of radio monitoring of the Type IIn supernova SN 1995N Authors: Poonam Chandra, Christopher J. Stockdale, Roger A. Chevalier, Schuyler D. Van Dyk, Alak Ray, Matthew T. Kelley, Kurt W. Weiler, Nino Panagia, Richard A. Sramek We present radio observations of the optically brigh...

A bright Magnitude 13.5 supernova, 2008fp, was discovered by the Chilean Automated Supernova search (CHASE) on the 7th September, 2008, in the Seyfert galaxy ESO 428-G14 in the constellation Canis Major. The supernova is located 17".5 east and 2".1 south from the centre of the galaxy....

A magnitude 14.9 supernova, 2008fl, was discovered by Pignata et al. at the Chilean Automatic Supernova Search (CHASE) on the 7th September, 2008, in the elliptical galaxy NGC 6805 in the constellation Sagittarius. The supernova is located 10".3 west and 11".1 north from the center o...

A magnitude 14.3 type 1a supernova, 2008fw, was discovered on the 19th September, 2008, by Berto Monard in the (mag 12) spiral galaxy NGC 3261 in the constellation Vela. The supernova is located 52" west and 30" south from the cent...

A possible magnitude 13.9 Supernova was discovered on the 9th October, 2006, by Koichi Itagaki; Tim Puckett and R. Gorelli in the spiral galaxy UGC 4904 in the constellation Lynx The supernova is located 11" west and 7" south of the centre of UGC 4904. Position(2000): R.A. = 09h17m20s.78,...

An international team of astronomers have confirmed that a radio and x-ray luminous object is indeed a supernova, as has long been suspected. Located only 12 million light years away in a nearby galaxy, there is an abundance of observational data on this object, making the task of studying it and det...

A possible magnitude 16 supernova was observed by T. Kryachko and S. Korotkiy (Kazan State University Astrotel observatory ) in the spiral galaxy NGC 539 in the constellation Cetus (z=0.032), on the 10th October 2008. Position(2000): RA = 01 2523.04 ± 0.1, Dec = -18 10 20.8 ± 0.1

A magnitude 12.4 supernova, 2008ge, was discovered by Pignata et al. (CHASE) on the 3rd October, 2008, in the barred-spiral galaxy NGC 1527 in the constellation Horologium. The supernova is located 5"e...

Astronomers Study Shape of Stellar Candles Astronomers are reporting remarkable new findings that shed light on a decade-long debate about one kind of supernovae, the explosions that mark a star's final demise: does the star die in a slow burn or with a fast bang? From their observations...

A bright magnitude 15.3 Supernova, 2006ef, was discovered on the 18 August, 2006, by the Lick Observatory Supernova Search in the spiral galaxy NGC 809 in the Constellation Cetus. Position(2000): R.A. = 02h04m19s.51, De...

A bright magnitude 14.7 (and rising) supernova, 2006ej, was discovered on the 23rd August 2006, by the Lick Observatory Supernova Search, (R. Mostardi, H. Khandrika, and W. Li ) in the spiral galaxy NGC 191A in the constellation C...

A Type Ia Supernova 2005cf, was discovered on 2005/05/28.36 by the Lick Observatory Supernova Search. Found in the galaxy MCG -1-39-3 , located 15".7 west and 123" north of the centre. I...

A magnitude 15.2 supernova, 2008hi, was discovered on the 21th November, 2008, by Yoshimi Ichimura in the galaxy MCG -01-2-15 in the constellation Cetus. The supernova is located 8" west and 3" south from the c...

A magnitude 18.2 Type Ia supernova, 2008ha, was discovered on the 7th November, 2008, by Caroline K. Moore and Jack Newton in the irregular galaxy UGC 12682 in the constellation Pegasus. The supernova is located 12" west and 0".5 south from the centre of the galaxy. Position(2000): R.A....

A magnitude 13.3, type Ia supernova, 2009ig, was discovered on the 20th August, 2009 by the Lick Observatory Supernova Search in the spiral galaxy NGC 1015 in the constellation Cetus. The supernova is located 0.6" east and 22" north from the center of the galaxy. Position (2000): RA = 02...

A magnitude 15.4 supernova, 2009iu, was discovered by the Chilean Automated Supernova search (CHASE) on the 1st, September, 2009, in the spiral galaxy NGC 7329 in the constellation Tucana. The supernova is located 82.8" west and 38.9" north from the center of the galaxy. As yet the type...

When the universe was only 700 million years old, some of its galaxies were already filled with lots of dust. But where did all of this dust come from? Astronomers using NASA's Spitzer Space Telescope think they may have found the source in type II supernovae, the violent explosions of the universe's...

Title: The underluminous Type Ia Supernova 2005bl and the class of objects similar to SN 1991bg Authors: S. Taubenberger, S. Hachinger, G. Pignata, P. A. Mazzali, C. Contreras, S. Valenti, A. Pastorello, N. Elias-Rosa, O. Bärnbantner, H. Barwig, S. Benetti, M. Dolci, J. Fliri, G. Folatelli, W. L....

A magnitude 15.4 supernova, 2008fq, was discovered by the Lick Observatory Supernova Search (LOSS) on the 15th September, 2008, in the barred spiral galaxy NGC 6907 (mag 11.3 ) in the constellation Capricornus. The supernova is located 6" west and 5" north from the centre of the galaxy....

Powerful nearby supernova caught by web of telescopes Over a decade after it exploded, one of the nearest supernovae in the last 25 years has been identified. This result was made possible by combining data from the vast online archives from many of the worlds premier telescopes. The spacewalk by on...

A type IIb magnitude 17.8 supernova, 2009C, was discovered by LOSS on the 2nd January, 2009, in the galaxy UGC 12433 in the constellation Andromeda. The supernova is located 11' West and 11' North from the center of the galaxy. Position(2000): RA =23 13 42.84, Dec = +49 40 47.2 [url=http://www.cf...

A magnitude 15,9 , type II supernova, 2008ij, was discovered by Koichi Itagaki on the 19th December 2008, in the spiral galaxy NGC 6643 in the constellation Draco The supernova is located 23" east and 11" south from the center of the galaxy. Position(2000): RA = 18h19m51s.81, Dec = +74°3...

A magnitude 16 supernova, 2009A, was discovered by Pignata et al. (CHASE) on the 2nd January, 2009, in an anonymous galaxy in the constellation Cetus. The supernova is located 6' West and 7' North from the center of the galaxy. As yet the type is unknown. Position(2000): RA =01 52 44.34, Dec = -03 23...

A type Ia magnitude 16.5 supernova, 2009D, was discovered by LOSS on the 2nd January, 2009, in the galaxy MCG -03-10-52 in the constellation Eridanus. The supernova is located 26' West and 31' North from the center of the galaxy. Position(2000): RA =03 54 22.83, Dec = -19 10 54.2 [url=http://www....

A magnitude 14.9 supernova, 2009K, was discovered by Pignata et al. (CHASE) on the 14th January, 2009, in the spiral galaxy NGC 1620 in the constellation Eridanus. The supernova is located 9" west and 2" north from the center of the galaxy. Position(2000): R.A. = 04h36m36s.77, Dec. = -0...

A type IIP magnitude 17.2 supernova, 2009B, was discovered by Tom Boles on the 2nd January, 2009, in the galaxy UGC 4423 in the constellation Camelopardalis. The supernova is located 8' West and 7' South from the center of the galaxy. Position(2000): RA =08 30 51.47, Dec = +74 41 08.1 [url=http://...

A possible magnitude 17.5 supernova, 2009M, was discovered on the 20th January 2009 in the spiral galaxy NGC 1028, in the constellation Aries. The supernova is located 8".8 west and 10".0 south from the nucleus. As yet the Type is unknown Position(2000): RA = 02h 39m 36.57s ±0.03",...

A magnitude 14.9 supernova, 2009Y, was discovered on the 1st February, 2009, by Martin Perth Observatory (LOSS) in the Seyfert, barred spiral galaxy, NGC 5728, in the constellation Libra. The supernova is located 9" east and 25" north from the center of the galaxy. As yet the type is unk...

Title: The He-rich core-collapse supernova 2007Y: Observations from X-ray to Radio Wavelengths Authors: Maximilian Stritzinger, Paolo Mazzali, Mark M. Phillips, Stefan Immler, Alicia Soderberg, Jesper Sollerman, Luis Boldt, Jonathan Braithwaite, Peter Brown, Christopher R. Burns, Carl...

A magnitude 16.6 type IIp supernova, 2009N, was discovered by Koichi Itagaki on the 24th January, 2009, in the face-on spiral galaxy NGC 4487, in the constellation Virgo. The supernova is located 75" east and 18" north from the center of the galaxy. The Ultraviolet/Optical Telescope ab...

Title: Type II Supernovae as Probes of Cosmology Authors: Dovi Poznanski, Eddie Baron, Stephane Blondin, Joshua S. Bloom, Christopher B. D'Andrea, Massimo Della Valle, Luc Dessart, Richard S. Ellis, Avishay Gal-Yam, Ariel Goobar, Mario Hamuy, Malcolm Hicken, Daniel N. Kasen, Kevin L. Krisciu...

A magnitude 15 Type II supernova, 2009bw, was discovered by Nissinen, Heikkinen, Hentunen (Taurus Hill observatory) on the 27th March, 2009, in the galaxy UGC 2890 in the constellation Camelopardalis. The supernova is located 11" east and 22" north from the center of the galaxy. Posit...

A magnitude 15.2 supernova, 2009dq, was discovered by Pignata et al., at the CHilean Automatic Supernova sEarch (CHASE) on the 24th April 2009, in the Peculiar galaxy IC 2554 in the constellation Carina. The supernova is located 2" west and 3" south from the center of the galaxy. As yet th...

A magnitude 14.6 supernova, 2009ev, was discovered by C. Colesanti, C. Jacques, E. Pimentel, and T. Napoleao, (Belo Horizonte, Brazil) on the 27th May, 2009, in the spiral (SBa) galaxy NGC 5026 in the constellation Centaurus. The supernova is located 45" east and 78" south from the cent...

A possible magnitude 19.3 supernova has been discovered on the 20th May, 2009, in the edge on spiral galaxy IC3704 in the constellation Virgo. The supernova is located 11 East and 13 North from the center of the galaxy. Position(2000): RA 12 43 46.45, Dec +10 46 23.8

An international team of radio astronomers have discovered the secret explosion of a massive star, a new supernova, in the nearby galaxy M82. Despite being the closest supernova discovered in the last five years, the explosion is exclusively detectable at radio wavelengths since the dense gas an...

A group of space researchers at the Nagoya University have captured the world's first image of a supernova explosion showing gas spreading toward its poles. The scientists led by astronomer Yasuo Fukui recently took the photo of the explosion in a cluster of stars in the Carina constellation, arou...

A magnitude 15.9 supernova, 2009ge, was discovered by CHASE on the 11 June, 2009, in the spiral galaxy ESO 101-18 in the constellation Triangulum Australe. The supernova is located 40".5 west and 8".2 south from the center of the galaxy. As yet the type is unknown. Position (2000): RA = 1...

A magnitude 14.7 supernova, 2009gb, was discovered by The CHilean Automatic Supernova sEarch (CHASE) on the 9th June, 2009, in the galaxy ESO 447-37 in the constellation Centaurus. The supernova is roughly located 11" West and 20" South from the center of the galaxy. As yet the type is un...

A magnitude 16.1 supernova, 2009fr, was discovered by Pignata et al. (CHASE) on the 1st June, 2009, in the SBbc spiral galaxy NGC 597 in the constellation Sculptor. The supernova is located 3" East and 0" North from the center of the galaxy. As yet the type is unknown. Position (2000): RA ...

A possible magnitude 16.1 supernova has been discovered on the 25th June, 2009, by the Catalina Real-time Transient Survey (CRTS), in the galaxy NGC 3106 in the constellation Leo Minor. Position (2000): RA 10:04:06.78, Dec 31:12:29.0 z = 0.021

A magnitude 15.5 supernova, 2009gu, was discovered on the 27th June, 2009, by the CHilean Automatic Supernova sEarch (CHASE), in the spiral galaxy PGC 056359 (ESO 68-12) in the constellation Triangulum Australe. The supernova is located 28.7" east and 0.8" north from the center of the...

Title: The High-Metallicity Explosion Environment of the Relativistic Supernova 2009bb Authors: E. M. Levesque, A. M. Soderberg, R. J. Foley, E. Berger, L. J. Kewley, S. Chakraborti, A. Ray, M. A. P. Torres, P. Challis, R. P. Kirshner, S. D. Barthelmy, M. F. Bietenholz, P. Chandra, V. Chaplin, R. A...

Title: 2003bg: The First Type IIb Hypernova Authors: Mario Hamuy, Jinsong Deng, Paolo A. Mazzali, Nidia I. Morrell, Mark M. Phillips, Miguel Roth, Sergio Gonzalez, Joanna Thomas-Osip, Wojtek Krzeminski, Carlos Contreras, Jose Maza, Luis Gonzalez, Leonor Huerta, Gaston Folatelli, Ryan Chorn...

Title: The normal Type Ia SN 2003hv out to very late phases Authors: G. Leloudas, M. D. Stritzinger, J. Sollerman, C. R. Burns, C. Kozma, K. Krisciunas, J. R. Maund, P. Milne, A. V. Filippenko, C. Fransson, M. Ganeshalingam, M. Hamuy, W. Li, M. M. Phillips, B. P. Schmidt, J. Skottfelt, S. Taubenberger...

A magnitude 15.5 supernova, 2009hq, was discovered by B. Monard on the 30th July, 2009, in the spiral galaxy NGC 4152 in the constellation Coma Berenices. The supernova is located 7" east and 23" north from the center of the galaxy. As yet the type is unknown. Position (2000): RA = 12h10m...

A magnitude15.7 supernova, 2009jg, was discovered on the 22nd September, 2009, by the Catalina Real-Time Transient Survey (CRTS), in an anonymous galaxy in the constellation Ophiuchus. The supernova is located 0.3" west and 3.5" south from the center of the galaxy. As yet the type is...

Title: The radio lightcurve of SN 2008iz in M82 revealed by Urumqi observations Authors: N. Marchili, I. Marti-Vidal, A. Brunthaler, T.P. Krichbaum, P. Mueller, X. Liu, H.-G. Song, U. Bach, R. Beswick, J.A. Zensus We report on a set of 5 GHz Urumqi observations of the galaxy M82, made between August...

Two nearby magnitude 18.8 supernova, PTF09fox and PTF09foz, were discovered on the 19th October, 2009, by the Palomar Transient Factory. PTF09fox Position (2000): RA 23:20:48.009, Dec +32:30:08.60 z = 0.07 PTF09foz Position (2000): RA 00:42:11.719, Dec -09:52:52.47 z = 0.05

A magnitude 15.1 supernova, 2009kp, was discovered on the 3rd November, 2009, by T. Boles, in the spiral galaxy NGC 6246 in the constellation Draco. The supernova is located 15.0" west and 0.1" south from the center of the galaxy. As yet the type is unknown. Position (2000): RA = 16h49m51s...

Supernova 2002bj in NGC 1821 A new type of supernova - the explosive death of a star has been discovered in which helium detonates on the surface of a white dwarf star. The exploding star, dubbed SN2002bj, was first observed seven years ago in the galaxy NGC 1821 by amateur astronomers, but was miscla...

A magnitude 14.8, Type Ia supernova, 2009kq, was discovered on the 5th November, 2009, in the galaxy MCG +05-21-1 in the constellation Cancer. by R. Gagliano, and T. Puckett using the Double Beam Spectrograph on the Palomar 200-inch telescope. They report that the supernova best matches the Type I...

Supernovae mark the explosive deaths of particularly massive stars. During the few weeks it lasts, a supernova can outshine all the other stars in a galaxy combined. As if this wasn't powerful enough, there is a rare type of super-charged supernova called a hypernova. With a power about 100 times th...

Title: SN 2008iy: An Unusual Type IIn Supernova with an Enduring 400 Day Rise Time Authors: A. A. Miller (1), J. M. Silverman (1), N. R. Butler (1), J. S. Bloom (1), R. Chornock (1 and 2), A. V. Filippenko (1), M. Ganeshalingam (1), C. R. Klein (1), W. Li (1), P. E. Nugent (3), N. Smith (1), T. N. Steele (1) ((...

Massive supernova produced rainbow of elements for months. Astronomers have watched the violent death of what was probably the most massive star ever detected. The supernova explosion, which lasted for months, is thought to have generated more than 50 Suns' worth (10^32 kilograms) of different...

A possible magnitude 13.6 supernova was discovered on the 22nd December, 2009, in the spiral galaxy UGC8255 (MCG+02-34-002) in the constellation Virgo. The supernova is located 36' East and 50' North from the center of the galaxy. Position (2000): RA 03 10 58.95, Dec +11 29 29.3

Beginning with a full view of beautiful spiral galaxy M81, follow the insets (left, bottom, then right) to zoom in on a real survivor. Seen at the centre of the final field on the right is a star identified as the survivor of a cosmic cataclysm - the supernova explosion of its companio...

A magnitude 15 type II supernova, 2009af, was discovered on the 16th February, 2009, by Giancarlo Cortini in the low surface brightness galaxy UGC 1551, in the constellation of Aries. The supernova is located 15".5...

This false-colour Chandra Xray telescope image of a supernova remnant shows X-rays produced by high-energy particles (blue) and multimillion-degree gas (red/green). In spring 1006 AD, what was thought to be a "new star" suddenly appeared in the constellation Lupus,...

Titan: Nearby Supernova Factory Observations of SN 2005gj: Another Type Ia Supernova in a Massive Circumstellar Envelope Authors: The Nearby Supernova Factory Collaboration: G. Aldering, P. Antilogus, S. Bailey, C. Baltay, A. Bauer, N. Blanc, S. Bongard, Y. Copin, E. Gangle...

Title: The type IIb SN 2008ax: spectral and light curve evolution Authors: A. Pastorello, M. M. Kasliwal, R. M. Crockett, S. Valenti, R. Arbour, K. Itagaki, S. Kaspi, A. Gal-Yam, S. J. Smartt, R. Griffith, K. Maguire, E. O. Ofek, N. Seymour, D. Stern, W. Wiethoff We present spectroscopy and photomet...

Magnitude 14.0 supernova, SN2005cs, discovered in the Whirlpool galaxy on 28th June 2005. Position(2000): RA 13 29 53.37 Dec +47 10 28.2 Offset RA -15 Dec -78 arcse...

Title: Nearby Supernova Factory Observations of SN 2006D: On Sporadic Carbon Signatures in Early Type Ia Supernova Spectra Authors: The Nearby Supernova Factory: R. C. Thomas, G. Aldering, P. Antilogus, C. Aragon, S. Bailey, C. Baltay, E. Baron, A. Bauer, C. Buton, S. Bongard,...

Title: The Peculiar Type Ia Supernova 2005hk Authors: V. Stanishev, S. Taubenberger, G. Blanc, G.C. Anupama, S. Benetti, E. Cappellaro, N. Elias-Rosa, C. Feron, A. Goobar, K. Krisciunas, A. Pastorello, D.K. Sahu, M.E. Salvo, B.P. Schmidt, J. Sollerman, C.C. Thone, M. Turatto...

A magnitude 16.3 (and rising), Supernova 2005ke, was discovered on November 13th, 2005 by the Lick Observatory Supernova Search, in the galaxy NGC 1371, located 40" east and 40" south of the centre. Position(20...

Scientists have found that the type II supernova SN 1979C that exploded in 1979 in the galaxy M100 is as bright today in X-ray light as it was when it was discovered years ago, a surprise finding because such objects usually fade significantly after only a few months. Using ESA’s XMM-Newton space...

A magnitude 15.9 supernova, 2005cr, was discovered on the 24th June 2005 by the University of Texas Supernovae Research Group , in the galaxy VPC 0198 in the constellation Virgo; (Located 3" east and 1" north of the nucleus) . As yet the Type is unknown… VPC (Virgo Photome...

A magnitude 14.6 Supernova 2005cn was discovered on the 19th June 2005 by the Brazilian Supernovae Search (BRASS). It was found in the galaxy NGC 5061 (Located 62" west and 103" north of the nucleus) . [img]http://img.photobucket.com/albums/v328/blobrana/news...

A magnitude 15.5 Supernova 2005ch, (as yet type unknown) was discovered on June 8th 2005 by the ROTSE collaboration . It is located 0".9...

A possible magnitude 15.4 supernova was discovered on the 12th December, 2009, in the spiral galaxy ESO 555-8 in the constellation Lepus. The supernova is located 25' East and 13' North from the center of the galaxy. Position (2000): RA 05 52 35.55, Dec -17 47 15.3 z = 0.011366

A magnitude Mag 15.1, Type Ia supernova, 2008ia, was discovered by Pignata et al. (CHASE) on the 7th December, 2008, in the spiral galaxy ESO 125-6 in the constellation Carina. The supernova is located 2 West, North from the nucleus of the galaxy. Position(2000): R.A. = 08 50 35.15, Dec = -61 16 40....

A magnitude 15.3 supernova, 2009na, was discovered by J. Newton and T. Puckett, on the 26th December, 2009, in the spiral galaxy UGC 5884 in the constellation Leo Minor. The supernova is located 15.8" West and 2.7" North from the centre of the galaxy. As yet the type is unknown. Position (...

A magnitude 17.3 supernova, 2009mg, was discovered by B. Monard on the 7th December, 2009, in the magnitude 12.5 SB galaxy ESO 121-26 in the constellation Pictor. The supernova is located 46' East and 4' South from the center of the galaxy. As yet the type is unknown. Position(2000): RA 06h 21m 44.8...

A magnitude 15.8 supernova, 2010A, was discovered by T. Puckett, L. Cox and J. Newton, on the 4th January, 2010, in the spiral galaxy UGC 2019 (MCG+00-07-039) in the constellation Cetus. The supernova is located 2.4" East and 6.9" North from the center of the galaxy. As yet the type is un...

A magnitude 14.7 supernova, 2010F, was discovered by the Chilean Automated Supernova search (CHASE) on the 14th January, 2010, in the spiral galaxy NGC 3120 in the constellation Antlia. The supernova is located 24.8" west and 9.1" south from the center of the galaxy. As yet the type is u...

Title: The fast declining Type Ia supernova 2003gs, and evidence for a significant dispersion in near-infrared absolute magnitudes of fast decliners at maximum light Authors: Kevin Krisciunas, G. H. Marion, Nicholas B. Suntzeff, Guillaume Blanc, Filomena Bufano, Pablo Candia, Regis Cartier...

A magnitude 15.2 supernova, 2010H, was discovered by the Lick Observatory Supernova Search (LOSS) on the 16th January, 2010, in the spiral galaxy IC 494 in the constellation Canis Minor. The supernova is located 3.9" west and 0.7" south from the center of the galaxy. As yet the type is un...

A magnitude 13.5 supernova, 2007gr, was discovered on the 15th August, 2007, by the Lick Observatory Supernova Search, in the spiral galaxy NGC 1058...

Title: SN 2009kf : a UV bright type IIP supernova discovered with Pan-STARRS 1 and GALEX Authors: M.T. Botticella (Queen's University Belfast), C. Trundle, A. Pastorello, S. Rodney, A. Rest, S. Gezari, S. J. Smartt, G. Narayan, M.E. Huber, J. L. Tonry, D. Young, K. Smith, F. Bresolin, S. Valenti, R....

Title: SN 2008fv: the third type Ia supernova in NGC 3147 Authors: D. Yu. Tsvetkov, L. Elenin Multiple outbursts of type Ia SNe in one galaxy present a unique opportunity to study the homogeneity of these objects. NGC 3147 is only the second known galaxy with three SNe Ia, another one is NGC 1316. We pre...

A magnitude 15.5 Type Ia supernova, 2009kk, was discovered on the 15th October, 2009, by the Catalina Real-Time Transient Survey, in the galaxy 2MASX J03494330-0315348 in the constellation Eridanus. The supernova is located 14.5" east and 16.9" south from the center of the galaxy....

A magnitude 14.9 supernova, 2009ik, was discovered on the 22nd, August, 2009, by B. Monard in the spiral galaxy NGC 4653 in the constellation Virgo. The supernova is located 2" east and 75" south from the center of the galaxy. As yet the type is unknown. Position(2000): RA = 12h43m51s.21...

A magnitude 18.5 supernova, 2009ii, was discovered by T. Boles on the 22nd August, 2009, in the spiral galaxy UGC 3627. A type IIn supernova, 2007bb, had been observed in the galaxy in 2007. z = 0.020858

A magnitude 14.9 supernova, 2009ic, was discovered on the 5th August, 2009, by Pignata et al. at the CHilean Automatic Supernova sEarch (CHASE) in the spiral galaxy PGC 16256 in the constellation Orion. The supernova is located 9.6" east and 23.2" south from the center of the galaxy. As y...

A magnitude 14.7, type IIP supernova, 2009ib, was discovered on the 6th August, 2009, by Pignata et al. at the CHilean Automatic Supernova sEarch (CHASE) in the spiral galaxy NGC 1559 in the constellation Reticulum. The supernova is located 28.5" east and 22.3" north from the center of...

A magnitude 15.9 supernova, 2009gj, was discovered on the 20th June, 2009, by S. Parker in the barred spiral galaxy NGC 134 in the constellation Sculptor. The supernova is located 82" east and 102" north from the center of the galaxy. As yet the type is unknown. Position (2000): RA = 00 30 2...

A magnitude 15.3 supernova, 2009el, was discovered by Pignata et al. at the CHilean Automatic Supernova sEarch (CHASE) on the 12th May, 2009, in the irregular S type interacting galaxy ESO 269-74 in the constellation Centaurus. The supernova is located between the two galaxies. As yet the type is u...

A possible magnitude 18.2 supernova was discovered on the 15th April, 2009, in an anonymous galaxy the constellation Eridanus. The supernova is located 2' West, 6' North form the centre of the galaxy. Position(2000): RA 12 08 07.21, Dec -31 59 25.3

A magnitude 14.3 supernova, 2008hy, was discovered on the 6th December, 2008, by Tim Puckett, and A. Langoussis in the magnitude 12 type I/P galaxy IC 334 in the constellation Camelopardalis. The supernova is located 30" west and 97" north from the center of the galaxy. As yet the type is...

A magnitude 14.9 supernova, 2006gy, was discovered on the 18th September 2006, by the Texas Supernova Search in the galaxy NGC 1260, in the constellation Perseus. The supernova is located 2".0 west and 0".4 north of the centre of the galaxy. Position(2000): R.A. = 03h17m27s.06, Dec. = +4...

Super Supernova: White Dwarf Star System Exceeds Mass Limit An international team led by Yale University has, for the first time, measured the mass of a type of supernova thought to belong to a unique subclass and confirmed that it surpasses what was believed to be an upper mass limit. Their findings...

Title: A massive star origin for an unusual helium-rich supernova in an elliptical galaxy Authors: K. S. Kawabata, K. Maeda, K. Nomoto, S. Taubenberger, M. Tanaka, J. Deng, E. Pian, T. Hattori, K. Itagaki (Version v2) The unusual helium-rich (type Ib) supernova SN 2005E is distinguished from any s...

A magnitude 16.0 supernova, 2010bj, was discovered on the 27th March, 2010, by L. Cox and T. Puckett, in the edge-on spiral galaxy NGC 2357 in the constellation Gemini. The supernova is located 31.8" east and 19.4" south from the center of the galaxy. As yet the type is unknown. Position (2...

A magnitude 15.2 supernova, 2010as, was discoveredby the Chilean Automated Supernova search (CHASE) on the 19th March, 2010, in the galaxy NGC 6000 in the constellation Scorpius. The supernova is located 3.1" West and 2" North from the center of the galaxy. As yet the type is unknown. T...

A possible magnitude 16 supernova was discovered on the 5th February, 2010, in the barred irregular galaxy NGC4214 in the constellation Canes Venatici. The supernova is located 20" East and 27" North from the center of the galaxy. Position (2000): RA 12 15 41.06, Dec +36 20 02.9

A magnitude 14.7 supernova, 2010eb, was discovered by Berto Monard on the 26th May, 2010, in the spiral galaxy NGC 488 in the constellation Pisces. The supernova is located 134" West and 135" North from the center of the galaxy. Position (2000): RA 01 21 37.78, Dec +05°17'39".9 CBE...

A magnitude 15.4 supernova, 2010fz, was discovered by B. Monard on the 9th July, 2010, in the spiral galaxy NGC 2967, in the constellation Sextans. The supernova is located 22" east and 21" south from the center of the Galaxy. As yet the type is unknown. Position (2000): RA = 09 42 04.77, Dec...

Title: The Subluminous Supernova 2007qd: A Missing Link in a Family of Low-Luminosity Type Ia Supernovae Authors: Colin M. McClelland, Peter M. Garnavich, Lluís Galbany, Ramon Miquel, Ryan J. Foley, Alexei V. Filippenko, Bruce Bassett, J. Craig Wheeler, Ariel Goobar, Saurabh W. Jha, Masao Sako...

A magnitude 12.8 Type Ia supernova, 2010ih, was discovered by The CHilean Automatic Supernova sEarch (CHASE) on the 16th September, 2010, in the galaxy NGC 2325 in the constellation Canis Major 'the Great Dog'. The supernova is located 42.5" East and 265" North from the center of the gal...

Title: SN 2006oz: rise of a super-luminous supernova observed by the SDSS-II SN Survey Authors: G. Leloudas, E. Chatzopoulos, B. Dilday, J. Gorosabel, J. Vinko, A. Gallazzi, J. C. Wheeler, B. Bassett, J. Fischer, J. A. Frieman, J. P. U. Fynbo, A. Goobar, M. Jelinek, D. Malesani, R. C. Nichol, J. Nord...

Failed explosions explain most peculiar supernovae Supercomputer simulations have revealed that a type of oddly dim, exploding star is probably a class of duds - one that could nonetheless throw new light on the mysterious nature of dark energy. Most of the thousands of exploding stars classifie...

Title: The death of massive stars - II. Observational constraints on the progenitors of type Ibc supernovae Authors: John J. Eldridge, Morgan Fraser, Stephen J. Smartt, Justyn R. Maund, R. Mark Crockett We present an extensive search for the progenitors of type Ibc supernovae in all available pre...