Astronomy and Astrophysics – Astronomy
Scientific paper
Nov 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006atel..952....1t&link_type=abstract
The Astronomer's Telegram, #952
Astronomy and Astrophysics
Astronomy
3
Radio, Millimeter, Black Holes, Transients
Scientific paper
We report that the microquasar Cyg X-3 (RA=20:32:25.78, Dec=40:57:27.9 J2000) has entered the flaring state and would request for followup observations at all frequencies. In the monitoring program of microquasars with the RATAN-600 radio telescope (Trushkin et al., astro-ph/0611550), the flux density at 4.8 GHz of Cyg X-3 was found to drop from 191+-5 mJy at Nov 7.57 (UT) to 21+-3 mJy on Nov 8.57 (UT), that is a quenched state followed by a flaring event with fluxes reaching 1-10 Jy (Waltman et al., 1994, AJ, 108, 179; ATel #727, #828).
Fujisawa Katsuki
Kameya Osamu
Kawai Nobuyuki
Kotani Takao
Nakanishi Kouichiro
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