Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010atel.2818....1c&link_type=abstract
The Astronomer's Telegram, #2818
Astronomy and Astrophysics
Astronomy
1
Optical, Binaries, Black Holes, Transients
Scientific paper
We observed the black hole candidate XTE J1752-223 (ATel #2258) with the William Herschel Telescope (WHT) and the ACAM imager/spectrograph at the Observatorio del Roque de los Muchachos, La Palma, Spain. 200-s exposures were taken in the R and I bands under photometric conditions and 0.6-0.7-arcsec seeing on Aug 24.887 and Aug 24.893, respectively. The object has dropped substantially since the optical re-brightening reported in ATel #2805.
Casares Jorge
Corral-Santana Jesus M.
Guerra Juan Carlos
Rodríguez-Gil Pablo
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