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MASTER-OAFA: new OT, ampl>6.5mстатья
- Авторы: Shumkov V., Lipunov V.
- Журнал: The Astronomer’s Telegram
- Том: 12090
- Номер: 1
- Год издания: 2018
- Первая страница: 1
- Аннотация: MASTER OT J055548.92-303053.3 discovery - ampl>6.5mag, no known optical source in VIZIER MASTER-OAFA auto-detection system ( Lipunov et al., "MASTER Global Robotic Net", Advances in Astronomy, 2010, 30L ) discovered OT source at (RA, Dec) = 05h 55m 48.92s -30d 30m 53.3s on 2018-10-09.22942 UT. The OT unfiltered magnitude is 15.5m (mlim=18.6m). The OT is seen in 3 images (2018-10-09 05:25:11,05:30:22,08:24:20.10). There is no minor planet at this place. We have reference image without OT on 2017-11-23.29399 UT with 19.2m unfiltered magnitude limit (MASTER-OAFA), the nearest in time is reference image on 2018-09-21 00:49:34 with 2018-09-21 00:46:22 (MASTER-SAAO) with unfiltered mlim=20.0 There is no known optical sources in VIZIER database (22m POSS limit in history and more then 6.5m of current outburst amplitude, so as MASTER_W=0.2B+0.8R calibrated by USNO-B1 thousands field stars), but there is GALEX source Spectral observations are required. The discovery and reference images are available at: http://master.sai.msu.ru/static/OT/055548.92-303053.3.png
- Добавил в систему: Липунов Владимир Михайлович