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NGC 607
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NGC 607 is a magnitude +13.5 double star located in the constellation Cetus. The double star was discovered by German-Danish astronomer Heinrich Louis d'Arrest using a 11.68 cm (4.6-inch) f/16.8 Fraunhofer refractor at the observatory in Pleissenburg castle in central Leipzig on the 23rd Augu...
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SDSS J0018-0939
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A Chemical Signature of First-Generation Very-Massive Stars A team of astronomers from the National Astronomical Observatory of Japan (NAOJ), the Konan University and the University of Hyogo in Japan, the University of Notre Dame, and New Mexico State University (Note 1) has used the 8.2 m Subar...
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CAL 87
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CAL 87 is one of the best studied SSSs located in the Large Magellanic Cloud (LMC). It is a binary system with an orbital period of 10.6 hr (Cowley et al. 1990). Cowley et al. (1990) reported the radial velocity variations of the He II lines and discussed the possibility that the system contains a black h...
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DY Centauri
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Title: High-resolution optical spectroscopy of DY Cen: diffuse interstellar bands in a proto-fullerene circumstellar environment? Authors: D. A. Garcia-Hernandez, N. Kameswara Rao, David L. Lambert We search high-resolution and high-quality VLT/UVES optical spectra of the hot R Coronae B...
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NGC 2653
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NGC 2653 is a magnitude +10.9 double star located 6490 light-years (?) away in the constellation Camelopardalis. The double star was discovered by German astronomer Wilhelm Tempel using a 27.94 cm (11 inch) f/19 refracting telescope at the Arcetri Observatory on the 18th August 1882. Right Ascen...
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HD 142384
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Title: A close-in companion to HD142384 Author: J.-B. Le Bouquin I report the detection of a companion around HD142384 from Optical Long Baseline Interferometry in the near-infrared (flux difference DeltaH~4 and separation ~20mas). HD142384 has been used as PSF reference for published observ...
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HD 185351
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Title: On the Spectroscopic Properties of the Retired A Star HD 185351 Author: Luan Ghezzi, José Dias do Nascimento, John Asher Johnson Doppler-based planet surveys have shown that, besides metallicity, the planet occurrence is also correlated with stellar mass, increasing from M to F-A spectr...
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2FGL J1653.6-0159
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Title: 2FGL J1653.6-0159: A New Low in Evaporating Pulsar Binary Periods Author: Roger W. Romani, Alexei V. Filippenko, S. Bradley Cenko We have identified an optical binary with orbital period P_b=4488s as the probable counterpart of the Fermi source 2FGL J1653.6-0159. Although pulsations ha...
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Delta Circini
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Title: The Three body system delta Circini Author: P. Mayer, P. Harmanec, H. Sana, J.-B. Le Bouquin Delta Cir is known as an O7.5 III eclipsing and spectroscopic binary with an eccentric orbit. Penny et al. discovered the presence of a third component in the IUE spectra. The eclipsing binary and the t...
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NGC 6963
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NGC 6963 is a magnitude +12.2 double star located in the constellation Aquarius. The star was discovered by French astronomer Camille Guillaume Bigourdan using a 30.48 cm (12 inch) refractor at the Paris Observatory on the 12th August 1885. Right Ascension 20h 47m 19.0s, Declination +00° 30' 33&...
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ASASSN-14fc
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ATel 6381: Spectroscopic classification of ASASSN-14fc as a cataclysmic variable in outburst
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WISE J030449.03-270508.3
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Title: Discovery of a new Y dwarf: WISE J030449.03-270508.3 Author: D. J. Pinfield, M. Gromadzki, S. K. Leggett, J. Gomes, N. Lodieu, R. Kurtev, A. C. Day-Jones, M. T. Ruiz, N. J. Cook, C. V. Morley, M. S. Marley, F. Marocco, R. L. Smart, H. R. A. Jones, P. W. Lucas, Y. Beletsky, V. D. Ivanov, B. Burningha...
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HD 85567
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Title: Study of the sub-AU disk of the Herbig B[e] star HD 85567 with near-infrared interferometry Author: J. Vural, S. Kraus, A. Kreplin, G. Weigelt, E. Fossat, F. Massi, K. Perraut, F. Vakili Context: The structure of the inner disk of Herbig Be stars is not well understood. The continuum disks of s...
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Novae
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New observations of exploding stars reveal pauses, flickers and flares not reliably seen before Astronomers have traced the waxing and waning light of exploding stars more closely than ever before and seen patterns that aren't yet accounted for in our current understanding of how these eruption...
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HK Tauri
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ALMA Finds Double Star with Weird and Wild Planet-forming Discs Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) have found wildly misaligned planet-forming gas discs around the two young stars in the binary system HK Tauri. These new ALMA observations provide the cl...
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