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NGC 2953
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NGC 2953 is a possible star in the constellation Leo, previously considered a lost or nonexistent object. The object location is close (separation ~05') to the magnitude +12.3 galaxy NGC 2954. NGC 2953 was discovered by British astronomer John Herschel using a 47.5 cm (18.7 inch) f/13 speculum ref...
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WD J1916+3938
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Title: Discovery of a ZZ Ceti in the Kepler Mission Field Authors: J. J. Hermes, Fergal Mullally, R. H. Østensen, Kurtis A. Williams, John Telting, John Southworth, S. Bloemen, Steve B. Howell, Mark Everett, D. E. Winget We report the discovery of the first identified pulsating DA white dwarf in the...
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HD 155555
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Title: X-raying the coronae of HD 155555 Author: S. Lalitha, K.P. Singh, S.A. Drake, V. Kashyap We present an analysis of the high-resolution Chandra observation of the multiple system, HD 155555 (an RS CVn type binary system, HD 155555 AB, and its spatially resolved low-mass companion HD 155555 C...
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HD 14082
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Title: HIP10680/HIP10679: a visual binary in the beta Pictoris Association with the fastest rotating member Author: Sergio Messina, Veli-Pekka Hentunen, Roberto Zambelli We present the results of a multi-filter photometric monitoring of the wide binary HIP10680/HIP10679. We found both com...
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NGC 6765
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NGC 6765 (PK 62+9.1) is a magnitude +12.9 planetary nebula located 7,600 light-years away in the constellation Lyra. At its center is a white dwarf WD 1909 + 304 The planetary nebula was discovered by German astronomer Albert Marth using a 121.92 cm (48 inch) reflector in Malta on the 28th June 1864. R...
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NGC 6842
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NGC 6842 (PK 65+0.1, Sh2-95) is a magnitude +13.1 planetary nebula located in the constellation Vulpecula. The planetary nebula was discovered by German astronomer Albert Marth using a 121.92 cm (48 inch) reflector in Malta on the 28th June 1863. RA 19 55 02.3, Dec +29 17 23
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WD 0010+28
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Can Planets Be Rejuvenated Around Dead Stars? How might a planet reclaim the essence of its youth? Years ago, astronomers predicted that some massive, Jupiter-like planets might accumulate mass from their dying stars. As stars like our sun age, they puff up into red giants and then gradually lose a...
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33 Librae
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Title: 33 Lib - analogue of gamma Equ Author: V.D. Bychkov, L.V. Bychkova, J. Madej, G.P. Topilskaya In this paper we study periodic variability of the magnetic field in the Ap star 33 Lib. We found that its most probable period equals 83.5 years. There exist also possible shorter periods: 11.036 day...
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Gamma Equulei
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Title: Staying star gamma Equ Author: V.D. Bychkov, L.V. Bychkova, J. Madej, G.P. Topilskaya We determined rotational period of practically nonrotating Ap star gamma Equ and claim Prot=97 years. This period is about 35000 times larger than the average rotational period among stars of the same sp...
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Gravastars
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Title: I-Love-Q relations for gravastars and the approach to the black-hole limit Author: Paolo Pani The multipole moments and the tidal Love numbers of neutron stars and quark stars satisfy certain relations which are almost insensitive to the star's internal structure. A natural question is w...
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XZ Leonis
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Title: Photometric study and period analysis of the contact binary XZ Leonis Author: Changqing Luo, Xiaobin.Zhang, Licai Deng, Kun Wang, Yangping Luo We present multi-color CCD photometry of the neglected contact binary XZ Leo. Completely covered VRI band light curves and four times of minimum...
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V471 Tauri
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Title: Hubble Space Telescope FUV Spectra of the Post-Common-Envelope Hyades Binary V471 Tauri Authors: E. M. Sion, H. E. Bond, D. Lindler, P. Godon, D. Wickramasinghe, L. Ferrario, J. Dupuis We have carried out an analysis of the HST STIS archival spectra of the magnetic white dwarf in the Hyades e...
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SDSS J111010.01+011613.1
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Title: SDSS J111010.01+011613.1: A New Planetary-Mass T Dwarf Member of the AB Doradus Moving Group Author: Jonathan Gagné, Adam J. Burgasser, Jacqueline K. Faherty, David Lafrenière, René Doyon, Joseph C. Filippazzo, Emily Bowsher, Christine P. Nicholls We present a new radial velocity meas...
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RU Virginis
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Title: Modelling the atmosphere of the carbon-rich Mira RU Vir Author: G. Rau, C. Paladini, J. Hron, B. Aringer, M. A. T. Groenewegen, W. Nowotny Context. We study the atmosphere of the carbon-rich Mira RU Vir using the mid-infrared high spatial resolution interferometric observations from VLTI...
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Orion 114-426
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Title: ALMA Observations of the Largest Proto-Planetary Disk in the Orion Nebula, 114-426: A CO Silhouette Author: John Bally, Rita K. Mann, Josh Eisner, Sean M. Andrews, James Di Francesco, Meredith Hughes, Doug Johnstone, Brenda Matthews, Luca Ricci, Jonathan P. Williams We present ALMA obse...
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