Optical Observations of GX 339-4 in Outburst with the Faulkes Telescope South

Lewis, F.; Russell, D. M.; Cadolle Bel, M.
Bibliographical reference

The Astronomer's Telegram, #2459

Advertised on:
2
2010
Number of authors
3
IAC number of authors
0
Citations
3
Refereed citations
3
Description
Further to ATel #2455 (see also ATels #2380, #2384) detailing recent INTEGRAL observations of the 2010 outburst of the black hole candidate transient source GX 339-4, we report on our optical monitoring observations: the source has brightened by ~ 4 magnitudes in the last 4 months, since its faint state (ATels #2270, #2281). We note that these are the brightest magnitudes we have measured since we started to monitor the source in September 2007.