Optical Outburst of the Halo Black Hole X-ray Transient XTE J1118+480

Bibcode
2005ATel..383....1Z
Zurita, C.; Rodríguez, D.; Rodríguez-Gil, P.; Casares, J.; Shahbaz, T.; Acosta, J.; Gómez-Velarde, G.; Abajas, C.; Muñoz-Darias, T.
Bibliographical reference

The Astronomer's Telegram, #383

Advertised on:
1
2005
Number of authors
9
IAC number of authors
0
Citations
21
Refereed citations
9
Description
We report the discovery of a new outburst of the black hole X-ray transient XTE J1118+480 (IAUC #7418, ATEL#64, #67). Observations carried out with the 0.8m IAC80 telescope at the Observatorio del Teide on UT 2005 Jan 9.26 show J1118+480(=KV UMa) at R=14.02, almost 5 mag brighter than the reported quiescent level (IAUC #7868). On UT Jan 12.12-12.30 J1118+480 brightened to R=13.41 (V-R=0.19) with significant variability of ~0.05 mag amplitude.
Type
Non-refereed
Black holes

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