MASTER follow up observation of MAXIJ1727-203
ATel #11692; Lipunov V. (Lomonosov MSU), D. Buckley (SAAO), R. Rebolo, M. Serra-Ricart (IAC), V. Kornilov, Gorbovskoy E., Tiurina N., P. Balanutsa, Gorbunov I., Kuznetsov A., Vladimirov V., Gress O., Pogrosheva T., Vlasenko D. (Lomonosov MSU)
on 6 Jun 2018; 14:37 UT
Credential Certification: Nataly Tyurina (tiurina@sai.msu.ru)
Subjects: Optical, X-ray, Request for Observations, Transient, Variables
MASTER Global Robotic Net observed MAXI X-ray transient source ( T. Yoneyama et al. ATEL #11683)
RA,Dec(2000)=17 27 53, -20 23 20 +-0.33d.
We confirm GROND OT ( Arne Rau et al. ATEL #11690)
MASTER-IAC auto-detection system ( Lipunov et al., "MASTER Global Robotic Net", Advances in Astronomy, 2010, 30L )
detected MASTER OT J172829.90-202255.91 (1sigma~0.7arcsec) on 2018-06-05 21:52:53.344 (10exp. x180s) with unfiltered m_OT=16.6+-0.1 (Object_Altitude: 17.14;Sun_Altitude=-21.44)
on 2018-06-06 02:01:13.399UT with unfiltered m_OT=16.5+-0.2
MASTER-Tavrida observed it on 2018-06-05 22:38:22.697-22:57:09.111 with unfiltered m_OT=16.7+-0.2
MASTER-Kislovodsk observed it on 2018-06-05 20:40:18.284,20:47:16.582,20:54:18.036 with m_OT=17.0+-0.2 (Object_Altitude: 24.96; Sun_Altitude=-23.6)
But MASTER-OAFA observed this field on 2018-05-18 05:07:44UT, there is OT with unfiltered m_OT~18.6 (mlim~18.6)
There is Pan-STARRS OT sources in 1.9" with rmag=19.24
MASTER Global Robotic Net