* Astronomy

The 4 - 8 metre wide asteroid 2017 DG16 will make a close pass (0.4 LD, 0.0009 AU) travelling at 6.91 km/second, to the Earth-Moon system on the 23rd February 2017 @ 21:08 UT ±00:01. See more The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).

Science, technology and other chatter from astronomers Chris Lintott and Robert Simpson. Recorded in the heart of Oxford on the finest land available. Podcast 1 (14.05mb, Mp3) Chris Lintott and Robert Simpson use their test podcast to talk about supernovae, some recent Galaxy Zoo work, the state...

ATel 10112: FLOYDS Classification of MASTER OT J161308.18+260953.3 as a Type II Supernova and ASASSN-17cq/AT 2017axl as a Type Ia Supernova Near Peak

ATel 10108: ASASSN-17cq and ASASSN-17cs: Discovery of Two Probable Supernovae

Title: Suzaku Observation of the Metallicity Distribution in the Elliptical Galaxy NGC 4636 Authors: Katsuhiro Hayashi (1), Yasushi Fukazawa (1), Miyako Tozuka (1), Sho Nishino (1), Kyoko Matsushíta (2), Yoh Takei (3), Keith A. Arnaud (4 and 5) ((1)Department of Physical Science, Hiroshima...

NGC 5044 (also MCG -3-34-34, UGCA 341, and PGC 46115) is a magnitude +10.8 elliptical galaxy located 128 million light-years away in the constellation Virgo. The galaxy was discovered by German-British astronomer William Herschel using a 47.5 cm (18.7 inch) f/13 speculum reflector at Clayhall F...

Title: The SOPHIE search for northern extrasolar planets - XII. Three giant planets suitable for astrometric mass determination with Gaia Author: Javiera Rey, Guillaume Hébrard, François Bouchy, Vincent Bourrier, Isabelle Boisse, Nuno C. Santos, Luc Arnold, Nicola Astudillo-Defru, Xavier...

Title: SWIFT J1753.5-0127: a surprising optical/X-ray cross-correlation function Authors: Martin Durant, Poshak Gandhi, Tariq Shahbaz, Andy Fabian, Jon Miller, V. S. Dhillon, Tom R. Marsh We have conducted optical and X-ray simultaneous observations of SWIFT J1753.5-0127 with RXTE and ULT...

Title: The 2006 Radio Outburst of a Microquasar Cyg X-3: Observation and Data Authors: M. Tsuboi, T. Tosaki, N. Kuno, K. Nakanishi, T. Sawada, T. Umemoto, S. A. Trushkin, T. Kotani, N. Kawai, Y. Kurono, T. Handa, K. Kohno, T. Tsukagoshi, O. Kameya, H. Kobayashi, K. Fujisawa, A. Doi, T. Omodaka, H. Tak...

The remains of some of the most fearsome creatures that walked, crawled and slithered over ancient New Zealand are to be part of a major national exhibition – along with an interesting pile of fossilised vomit. The display, covering the history of New Zealand fossils and fossil hunting, is bein...

China establishes South China Sea lab to explore 8-million-year-old sediments China has built a field laboratory in the northeastern South China Sea, the focus of which will primarily be deep-sea sediments from 8 million years ago. An integrated observation system of the dynamic deep-sea sedim...

02 March 2005 Studies of the Andromeda galaxy (M31) have discovered that a smooth halo of red giant stars, similar to its globular cluster population, extending beyond a radius of 150 kiloparsecs, much bigger than originally thought (20kpc). The age of this halo will provide unique te...

NASA to Host News Conference on Discovery Beyond Our Solar System NASA will hold a news conference at 1 p.m. EST Wednesday, Feb. 22, to present new findings on planets that orbit stars other than our sun, known as exoplanets. The event will air live on NASA Television and the agency's website Read more...

Sunspot 12638 andd the eastern limb captured with a 100mm f5 Helios refractor and Vesta pro webcam.

ATel 10107: A magnetar-like burst from 1RXS J170849.0-400910