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MASTER: OT early outburst with ampl >5.3magстатья
- Авторы: Gress O., Lipunov V., Tlatov A., Tiurina N., Gorbovskoy E., Balanutsa P., Kornilov V.
- Журнал: The Astronomer’s Telegram
- Том: 12607
- Год издания: 2019
- Первая страница: 1
- Последняя страница: 1
- Аннотация: MASTER OT J195416.74+494421.1 detection - ampl>5.3m, possibl. dwarf nova MASTER-Kislovodsk auto-detection system ( Lipunov et al., "MASTER Global Robotic Net", Advances in Astronomy, 2010, 30L ) discovered OT source at (RA, Dec) = 19h 54m 16.74s +49d 44m 21.1s on 2019-03-22.98483 UT. The OT unfiltered magnitude is 16.7m (limit 18.4m). The OT is seen in 2 images. There is no minor planet at this place. We have reference image without OT on 2019-02-14 01:55:56 UT with unfiltered magnitude limit 19.3m, on 2019-03-21 01:31:59UT (MASTER-Tavrida) with mlim=18.3 There is only PanSTARRS source in VIZIER database with rmag=21.6, it means 22m POSS limit in history and more then 5.3m of current outburst amplitude. Spectral observations are required. The discovery and reference images are available at: http://master.sai.msu.ru/static/OT/195416.74494421.1.png
- Добавил в систему: Липунов Владимир Михайлович