Аннотация: MASTER OT J071016.92+333946.8 - possible SN in PGC020299
MASTER-Tunka auto-detection system ( Lipunov et al., Advances in Astronomy, MASTER Global Robotic Net, 2010 ) discovered OT at (RA, Dec) = 07h 10m 16.92s +33d 39m 46.8s on 2015-02-21.61432 UT. This possible SN is in 26"E and 5"S of PGC020299.
The SN unfiltered magnitude is 18.8m (the limit is 19.6m).
The SN is seen in 3 images. There is no minor planet at this place. We have reference image without OT on 2014-10-29.78929 UT with unfiltered magnitude limit 20.0m. Spectral observations are required.
The discovery and reference images are available at: http://master.sai.msu.ru/static/OT/MASTERJ071016.92+333946.8.jpg
Spectral observations are required.
MASTER OT J081659.74+511233.7 - possible dwarf Nova or super luminous SN
MASTER-Tunka auto-detection system discovered OT source at (RA, Dec) = 08h 16m 59.74s +51d 12m 33.7s on 2015-02-21.64956 UT.
The OT unfiltered magnitude is 17.1m (the limit is 20.1m). The OT is seen in 4 images. There is no minor planet at this place.
We have reference image without OT on 2015-01-18.763 UT with 19.6m unfiltered magnitude limit.
There are 2 Sloan galaxies and 1 star inside 2" with Rmag>21.5 . The discovery and reference images are available at: http://master.sai.msu.ru/static/OT/MASTER081659.74+511233.7.jpg
Spectral observations are required.
MASTER OT J113137.81-455430.8 - new CV
MASTER-SAAO auto-detection system discovered OT source at (RA, Dec) = 11h 31m 37.81s -45d 54m 30.8s on 2015-02-22.78789 UT. The OT unfiltered magnitude is 18.8m (the limit is 19.0m).
The OT is seen in 3 images. There is no minor planet at this place. There is no one source inside 5" in VIZIER database.
We have reference image without OT on 2015-02-15.01527 UT with unfiltered magnitude limit 19.7m. Spectral observations are required.
The discovery and reference images are available at: http://master.sai.msu.ru/static/OT/113137.81-455430.8_1.png