Astronomy and Astrophysics – Astronomy
Scientific paper
Jul 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006atel..855....1b&link_type=abstract
The Astronomer's Telegram, #855
Astronomy and Astrophysics
Astronomy
2
Optical, Binaries, Neutron Stars, Transients
Scientific paper
SMARTS consortium observations with the 1.3m telescope at CTIO + ANDICAM instrument show that QX Normae, the optical counterpart of 4U 1608-522, is in outburst (see Markwardt et al. ATEL 851 for a description of the current high energy outburst). We obtained a 12m I-band image starting at UT=2:01 July 9 2006 that showed the optical counterpart to be comparable in magnitude to comparison star #7 (I=18.7) from Wachter 1997 (ApJ 485, 839).
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