X-Ray Nova XTE J1550−564: Optical Observations | Zendy

Rajeev Kumar Jain | Zendy; C. D. Bailyn | Zendy; Jerome A. Orosz | Zendy; Ronald A. Remillard | Zendy; Jeffrey E. McClintock | Zendy

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X-Ray Nova XTE J1550−564: Optical Observations

Author(s) -

Rajeev Kumar Jain,

C. D. Bailyn,

Jerome A. Orosz,

Ronald A. Remillard,

Jeffrey E. McClintock

Publication year - 1999

Publication title -

the astrophysical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.376

H-Index - 489

eISSN - 1538-4357

pISSN - 0004-637X

DOI - 10.1086/312041

Subject(s) - nova (rocket) , flare , physics , astrophysics , astronomy , cataclysmic variable star , stars , white dwarf , aeronautics , engineering

We report the identification of the optical counterpart of the X-raytransient XTE J1550-564 described in two companion papers by Sobczak et al(1999) and Remillard et al (1999). We find that the optical source brightenedby approximately 4 magnitudes over the quiescent counterpart seen at B~22 on aSERC survey plate, and then decayed by approximately 1.5 magnitudes over the 7week long observation period. There was an optical response to the large X-rayflare described by Sobczak et al (1999), but it was much smaller and delayed byroughly 1 day.Comment: 9 pages, 2 figures. Accepted for publication in ApJ Letter

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