[vsnet-grb-info 22605] Fermi Fermi trigger No 581002688 Global MASTER-Net observations report

GCN Circulars gcncirc at capella2.gsfc.nasa.gov
Sat Jun 1 12:18:15 JST 2019


TITLE:   GCN CIRCULAR
NUMBER:  24704
SUBJECT: Fermi Fermi trigger No 581002688 Global MASTER-Net observations report 
DATE:    19/06/01 03:16:20 GMT
FROM:    Vladimir Lipunov at Moscow State U/Krylov Obs  <lipunov at xray.sai.msu.ru>

V. Lipunov, E. Gorbovskoy, V.Kornilov, N.Tyurina, P.Balanutsa, A.Kuznetsov, F.Balakin, 
V.Vladimirov, D. Vlasenko, I.Gorbunov, D.Zimnukhov, V.Senik, T.Pogrosheva, D.Kuvshinov 
(Lomonosov Moscow State University, SAI, Physics Department),

R. Podesta, C.Lopez, F. Podesta, C.Francile 
(Observatorio Astronomico Felix Aguilar OAFA),

H.Levato 
(Instituto de Ciencias Astronomicas, de la Tierra y del Espacio ICATE),

R. Rebolo, M. Serra 
(The Instituto de Astrofisica de Canarias)

D. Buckley 
(South African Astronomical Observatory),

O.A. Gres, N.M. Budnev, O.Ershova 
(Irkutsk State University, API),

A. Tlatov, D. Dormidontov 
(Kislovodsk Solar Station of the Pulkovo Observatory),

V. Yurkov, A. Gabovich, Yu. Sergienko 
(Blagoveschensk Educational State University)




MASTER-IAC robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Spain (IAC Teide Observatory) started inspect of the Fermi GRB190531.57 (trigger No 581002688, 17h 46m 45.60s , +40d 45m 00.00s, R=17.54) errorbox  46204 sec after trigger time at 2019-06-01 02:28:07 UT, with upper limit up to  20.4 mag. The observations began at zenit distance = 13 deg. The sun  altitude  is -35.8 deg. 

The galactic latitude b = -60 deg., longitude l = 98 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1035361

We obtain a following upper limits.  

Tmid-T0  |      Date Time      |          Site       |             Coord (J2000)          |Filt.| Expt. | Limit| Comment
_________|_____________________|_____________________|____________________________________|_____|_______|_______|________

   46294 | 2019-06-01 02:28:07 |          MASTER-IAC | ( 16h 13m 56.89s , +48d  3m 22.61s) |   C |   180 | 19.6 |        
   46474 | 2019-06-01 02:28:07 |          MASTER-IAC | ( 16h 13m 56.89s , +48d  3m 22.64s) |   C |   540 | 20.4 |  Coadd 
   46515 | 2019-06-01 02:31:48 |          MASTER-IAC | ( 16h 13m 58.41s , +48d  3m 27.71s) |   C |   180 | 19.9 |        
   46733 | 2019-06-01 02:35:26 |          MASTER-IAC | ( 16h 25m 56.18s , +48d  3m 36.40s) |   C |   180 | 20.0 |        
   46953 | 2019-06-01 02:39:05 |          MASTER-IAC | ( 16h 13m 56.38s , +48d  3m 50.02s) |   C |   180 | 20.0 |        
   47175 | 2019-06-01 02:42:48 |          MASTER-IAC | ( 16h 25m 54.01s , +48d  3m 16.15s) |   C |   180 | 19.9 |        
Filter C is a clear (unfiltred) band. 


The observation and reduction will continue. 
The message may be cited.



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