Аннотация:MASTER-OAFA and MASTER-IAC automatically pointed to GRB 180314A (Eleonora
Troja et al. GCN 22532) with optical transient detection by MASTER
auto-detection system.
We confirm Swift, LT, NOT, REM, RATIR, SLKT, D50 GROND OT (GCN 22532,
22534, 22535, 22536, 22537, 22538, 22541) but observed before.
MASTER-OAFA robotic telescope (MASTER-Net: http://observ.pereplet.ru)
located in OAFA (Argentina,http://oafa.master.sai.msu.ru:49001/) was
pointed to the GRB180325.08 38 sec after
trigger time at 2018-03-25 01:53:40 UT. On our second
(20s exposure) set robot automaticaly found 1 optical transient within
SWIFT error-box (ra=157.429 dec=24.4389 r=0.05) brighter then 16.7 .
T-Ttrig Date Time Expt. Ra Dec Mag
-------|-------------------|-------|-----------------|---------------|-------
88 2018-03-25 01:54:31 20 ( 10h 29m 42.7s , +24d 27m 49.3s) 16
The 5-sigma upper limit has been about 17.3mag
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The observations made on zenit distance = 58 degrees, galaxy latitude b =
59 degree. The moon (55 % bright part) is 25 degrees above the horizon.
The distance between moon and object is 53
The sun altitude is -40.3 degree.
The object can be observed till 2018-03-25 07:53:41 UT.
MASTER-IAC robotic telescope (MASTER-Net: http://observ.pereplet.ru)
located in IAC (Tenerife, Tejde Observatory) was pointed to the
GRB180325.08 63 sec after trigger time
at 2018-03-25 01:54:09 UT. On our second
(20s exposure) set robot automaticaly found 1 optical transient within
SWIFT error-box (ra=157.429 dec=24.4386 r=0.05) brighter then 17.0.
T-Ttrig Date Time Expt. Ra Dec Mag
-------|-------------------|-------|-----------------|-----------------|-------
119 2018-03-25 01:55:01 20 ( 10h 29m 42.6s , +24d 27m 48.3s) 16.50
The 5-sigma upper limit has been about 17.5 mag
The message may be cited.
====================================================================
The observations made on zenit distance = 34 degrees, galaxy latitude b =
59 degree.
The moon (55 % bright part) is 6 degrees above the horizon. The distance
between moon and object is 53
The sun altitude is -58.3 degree.
The object can be observed till 2018-03-25 06:24:39 with good limit.