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NGC 5571
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NGC 5571 is a group of four stars located in the constellation Boötes. The grouping was discovered by French astronomer Guillaume Bigourdan using a 30.48 cm (12 inch) refractor at the Paris Observatory on the 27th May 1886. Right Ascension 14h 19m 31.8s, Declination +35° 09' 04"
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1FGL J0523.5-2529
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Title: 1FGL J0523.5-2529: A New Probable Gamma-ray Pulsar Binary Author: Jay Strader (Michigan St.), Laura Chomiuk (Michigan St.), Eda Sonbas (Adiyaman), Kirill Sokolovsky (Lebedev/Sternberg), David J. Sand (Texas Tech), Alexander S. Moskvitin (SAO RAS), C. C. Cheung (NRL) We report optica...
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V404 Lyrae
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Title: The Eclipsing System V404 Lyr: Light-Travel Times and Gamma Doradus Pulsations Author: Jae Woo Lee, Seung-Lee Kim, Kyeongsoo Hong, Chung-Uk Lee, Jae-Rim Koo We present the physical properties of V404 Lyr exhibiting eclipse timing variations and multiperiodic pulsations from all histo...
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SDSS J075415.12+085232.18
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Title: Discovery of a new PG1159 (GW Vir) Pulsator Author: S. O. Kepler, Luciano Fraga, Don Earl Winget, Keaton Bell, Alejandro H. Corsico, Klaus Werner We report the discovery of pulsations in the spectroscopic PG 1159 type pre-white dwarf SDSS J075415.12+085232.18. Analysis of the spectrum by...
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V1016 Cygni
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Title: Raman Scattered Ne VIIlambda973 at 4881 angstroms in the Symbiotic Star V1016 Cygni Author: Hee-Won Lee, Jeong-Eun Heo, Byeong-Cheol Lee We present the high resolution spectra of the symbiotic star V1016 Cygni obtained with the Bohyunsan Optical Echelle Spectrograph in 2003 and 2005, fr...
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Sigma Persei
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Sigma Persei (Sigma Per) is an orange K-type giant with an apparent magnitude of +4.36. It is approximately 353 light years from Earth. Read more
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NGC 4805
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NGC 4805 (also PGC 83663) is a magnitude +11.6 star located in the constellation Coma Berenices. The star was discovered by French astronomer Guillaume Bigourdan using a 30.48 cm (12 inch) refractor at the Paris Observatory on the 11th May 1885. Right Ascension 12h 55m 24.3s, Declination +27° 58'...
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NGC 4170
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NGC 4170 is a magnitude +12.2 star located in the constellation Coma Berenices. The star was discovered by German-Danish astronomer Heinrich Louis d'Arrest using a 27.94 cm (11 inch) f/17.5 Merz-Refractor at the Copenhagen Observatory on the 10 May 1864. Right Ascension 12h 12m 12.9s, Declinati...
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NGC 4171
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NGC 4171 is a magnitude +12.2 star located in the constellation Coma Berenices. The star was discovered by German-Danish astronomer Heinrich Louis d'Arrest using a 27.94 cm (11 inch) f/17.5 Merz-Refractor at the Copenhagen Observatory on the 10 May 1864. Right Ascension 12h 12m 38.3s, Declinati...
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BAT99 3a
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Title: Discovery of a new Wolf-Rayet star and a candidate star cluster in the Large Magellanic Cloud with Spitzer Author: V.V. Gvaramadze, A.-N. Chene, A.Y. Kniazev, O. Schnurr, T. Shenar, A. Sander, R. Hainich, N. Langer, W.-R. Hamann, Y.-H. Chu, R.A. Gruendl We report the first-ever discovery o...
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HD 141399
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Title: A 4-Planet System Orbiting the K0V Star HD 141399 Author: Steven S. Vogt, R. Paul Butler, Eugenio J. Rivera, Robert Kibrick, Jennifer Burt, Russell Hanson, Stefano Meschiari, Gregory W. Henry, Gregory Laughlin We present precision radial velocity (RV) data sets from Keck-HIRES and from L...
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BD+37 442
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Title: Discovery of a compact companion to the hot subdwarf star BD+37 442 Authors: N. La Palombara (1), S. Mereghetti (1), A. Tiengo (1,2), P. Esposito (3) ((1) INAF/IASF Milano, (2) IUSS Pavia, (3) INAF/OA Cagliari) We report the results of the first X-ray observation of the luminous and helium-r...
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NGC 3792
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NGC 3792 is a magnitude +13.4 double star located in the constellation Virgo. The star was discovered by American astronomer Edward Singleton Holden using a 39.62 cm (15.6 inch) f/15.6 Clark-refractor at the Washburn Observatory on the 27th April 1881. Right Ascension 11h 39m 38.5s, Declination...
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NGC 4009
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NGC 4009 is a magnitude +13.4 star located in the constellation Leo. The star was discovered by Danish-Irish astronomer John Louis Emil Dreyer, assistant to Lawrence Parsons, 4th Earl of Rosse, using a 182.88 cm (72 inch) speculum reflector at Birr Castle on the 26th April 1878. Right Ascension 11h...
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HD 34736
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Title: On the Discovery of Strong Magnetic Field in HD 34736 Binary System Author: E. A. Semenko, I. I. Romanyuk, D. O. Kudryavtsev, I. A. Yakunin We present the results of a study of the star HD 34736. The spectropolarimetric observations carried out at the 6-m telescope showed the presence of a stro...
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