Discovery and Photometric Observation of the Optical Counterpart of a Possible Galactic Halo X-Ray Transient, XTE J1118+480 | Zendy

Makoto Uemura | Zendy; Taichi Kato | Zendy; Katsura Matsumoto | Zendy; H. Yamaoka | Zendy; K. Takamizawa | Zendy; Y. Sano | Zendy; K. Haseda | Zendy; Lewis M. Cook | Zendy; D. Buczynski | Zendy; Gianluca Masi | Zendy

Open Access

Discovery and Photometric Observation of the Optical Counterpart of a Possible Galactic Halo X-Ray Transient, XTE J1118+480

Author(s) -

Makoto Uemura,

Taichi Kato,

Katsura Matsumoto,

H. Yamaoka,

K. Takamizawa,

Y. Sano,

K. Haseda,

Lewis M. Cook,

D. Buczynski,

Gianluca Masi

Publication year - 2000

Publication title -

publications of the astronomical society of japan

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.99

H-Index - 110

eISSN - 2053-051X

pISSN - 0004-6264

DOI - 10.1093/pasj/52.4.l15

Subject(s) - physics , astrophysics , photometry (optics) , astrometry , halo , x ray transient , astronomy , orbital period , galactic halo , black hole (networking) , galactic center , neutron star , stars , galaxy , computer network , routing protocol , routing (electronic design automation) , computer science , link state routing protocol

We discovered an optical counterpart of about 13 mag of a soft X-ray transient, XTE J1118+480 on 2000 March 30. We performed astrometry and provided an accurate position of R.A. = 11h18m10s.85, Decl. = +48°02′12″.9. The outbursting object has been identified with a 18.8 mag star in the USNO catalog. Our pre-discovery data shows another outburst during 2000 January, again coinciding with an outburs...

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