MASTER Net MASTER Database: GRB250503.61 page

Please use the reference to MASTER DataBase as Lipunov et al., 2010, MASTER Robotic Net, Advances in Astronomy, vol. 2010, p.30L

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GRB coord: ErrorBox (deg): Sys Error (deg):
Sattel : Trigger: Notice:
GRB_Name: trignum: Nights after: FullSky


Name FERMI GRB250503.61
Trignum 767975731
Trigger time 2025-05-03 14:35:26.7
Notice time 2025-05-03 14:36:19.393083
Coord, eb (03h 36m 12.00s , +19d 13m 58.8s) , 29.12
Max dist: 1 sigma 3 sigma
AGN candidates: Milliquas
r90wise
wiseXgaia
BL Lac candidates: 1 Sigma
3 Sigma

MASTER observatories and transients from them in error-field
Kislovodsk Transients (Undef)
(All)
(Yes)
Trans. Difference (Undef)
(All)
(Yes)
(Gal)
Amur Transients (Undef)
(All)
(Yes)
Trans. Difference (Undef)
(All)
(Yes)
(Gal)
Tunka Transients (Undef)
(All)
(Yes)
Trans. Difference (Undef)
(All)
(Yes)
(Gal)
OAFA Transients (Undef)
(All)
(Yes)
Trans. Difference (Undef)
(All)
(Yes)
(Gal)
IAC Transients (Undef)
(All)
(Yes)
Trans. Difference (Undef)
(All)
(Yes)
(Gal)
SAAO Transients (Undef)
(All)
(Yes)
Trans. Difference (Undef)
(All)
(Yes)
(Gal)
Tavrida Transients (Undef)
(All)
(Yes)
Trans. Difference (Undef)
(All)
(Yes)
(Gal)
OAGH Transients (Undef)
(All)
(Yes)
Trans. Difference (Undef)
(All)
(Yes)
(Gal)

All alerts for this trigger
id noticetime coord2000 satel errorbox type trigger seq trig_type links
2859364 2025-05-03 14:36:19.393083 03h 36m 12.00s +19d 13m 58.8s FERMI 29.12 alert 767975731 6 111 alert

DAYS:

MASTER optical transients in this field
Will be published in GCN, ATEL

Synchronous WFC images
Distance datetime coord2000 observatory camera links
Errorbox center visibility at MASTER facilities
trigger notice notice+1hr now

2025-05-03 14:35:26 (JD 2460799.107940)

Siderial time 7.881635 h

Ra 03:36:12.00 Dec 19:13:58.80
( 54.050000d, 19.233000d)

Rise 2025-05-04 02:08:32

Transit 2025-05-04 10:15:30

Set 2025-05-04 18:22:27

Amur

Object: Altitude: -16.77 Azimuth: 154.43

Sun: Altitude: -23.00 Azimuth: 166.90

Moon: Altitude: 22.25 Azimuth: 101.19

Tunka

Object: Altitude: -6.51 Azimuth: 132.95

Sun: Altitude: -15.19 Azimuth: 143.18

Moon: Altitude: 37.56 Azimuth: 81.44

Kislovodsk

Object: Altitude: 28.12 Azimuth: 90.32

Sun: Altitude: 16.16 Azimuth: 96.56

Moon: Altitude: 70.18 Azimuth: 356.04

Tavrida

Object: Altitude: 34.15 Azimuth: 83.59

Sun: Altitude: 22.30 Azimuth: 90.40

Moon: Altitude: 67.70 Azimuth: 335.35

SAAO

Object: Altitude: 21.32 Azimuth: 131.78

Sun: Altitude: 14.53 Azimuth: 119.78

Moon: Altitude: 29.47 Azimuth: 204.40

IAC

Object: Altitude: 77.10 Azimuth: 47.54

Sun: Altitude: 64.95 Azimuth: 64.95

Moon: Altitude: 36.07 Azimuth: 259.72

Argentina

Object: Altitude: 24.55 Azimuth: 224.82

Sun: Altitude: 34.74 Azimuth: 215.01

Moon: Altitude: -31.43 Azimuth: 259.57

Mexico

Object: Altitude: 14.88 Azimuth: 256.24

Sun: Altitude: 24.64 Azimuth: 265.83

Moon: Altitude: -29.76 Azimuth: 207.08

Ural

Object: Altitude: 18.14 Azimuth: 97.58

Sun: Altitude: 8.12 Azimuth: 106.53

Moon: Altitude: 55.06 Azimuth: 25.32

Vostryakovo

Object: Altitude: 30.21 Azimuth: 80.07

Sun: Altitude: 19.82 Azimuth: 89.21

Moon: Altitude: 58.25 Azimuth: 349.22

Gal. latitude: -28.249418 Gal. longitude: 168.595850

Dist. to Sun: 13.274973

Dist. to Moon: 65.095253

Moon coord.: (124.597562 d, 23.958666 d)

Sun coord.: (40.608976 d, 15.764397 d)

Lunar disk: 0.400008

Lunar phase: 101.536041

Lunar bright limb: 282.253434

No SN in this field

2025-05-03 14:36:19 (JD 2460799.108553)

Siderial time 7.896397 h

Ra 03:36:12.00 Dec 19:13:58.80
( 54.050000d, 19.233000d)

Rise 2025-05-04 02:08:32

Transit 2025-05-04 10:15:30

Set 2025-05-04 18:22:27

Amur

Object: Altitude: -16.83 Azimuth: 154.63

Sun: Altitude: -23.04 Azimuth: 167.13

Moon: Altitude: 22.12 Azimuth: 101.34

Tunka

Object: Altitude: -6.61 Azimuth: 133.13

Sun: Altitude: -15.27 Azimuth: 143.39

Moon: Altitude: 37.42 Azimuth: 81.62

Kislovodsk

Object: Altitude: 27.96 Azimuth: 90.47

Sun: Altitude: 16.00 Azimuth: 96.70

Moon: Altitude: 70.18 Azimuth: 356.62

Tavrida

Object: Altitude: 34.00 Azimuth: 83.75

Sun: Altitude: 22.15 Azimuth: 90.56

Moon: Altitude: 67.76 Azimuth: 335.84

SAAO

Object: Altitude: 21.18 Azimuth: 131.61

Sun: Altitude: 14.37 Azimuth: 119.64

Moon: Altitude: 29.55 Azimuth: 204.20

IAC

Object: Altitude: 76.95 Azimuth: 48.21

Sun: Altitude: 64.78 Azimuth: 65.23

Moon: Altitude: 36.25 Azimuth: 259.80

Argentina

Object: Altitude: 24.68 Azimuth: 224.64

Sun: Altitude: 34.85 Azimuth: 214.78

Moon: Altitude: -31.25 Azimuth: 259.48

Mexico

Object: Altitude: 15.07 Azimuth: 256.34

Sun: Altitude: 24.83 Azimuth: 265.94

Moon: Altitude: -29.68 Azimuth: 207.29

Ural

Object: Altitude: 18.02 Azimuth: 97.76

Sun: Altitude: 8.00 Azimuth: 106.71

Moon: Altitude: 55.01 Azimuth: 25.65

Vostryakovo

Object: Altitude: 30.08 Azimuth: 80.27

Sun: Altitude: 19.69 Azimuth: 89.39

Moon: Altitude: 58.27 Azimuth: 349.59

Gal. latitude: -28.249418 Gal. longitude: 168.595850

Dist. to Sun: 13.274378

Dist. to Moon: 65.103332

Moon coord.: (124.606091 d, 23.956420 d)

Sun coord.: (40.609565 d, 15.764577 d)

Lunar disk: 0.400072

Lunar phase: 101.528536

Lunar bright limb: 282.256959

No SN in this field

2025-05-03 15:36:19 (JD 2460799.150220)

Siderial time 8.899135 h

Ra 03:36:12.00 Dec 19:13:58.80
( 54.050000d, 19.233000d)

Rise 2025-05-04 02:08:32

Transit 2025-05-04 10:15:30

Set 2025-05-04 18:22:27

Amur

Object: Altitude: -19.81 Azimuth: 169.26

Sun: Altitude: -23.86 Azimuth: 182.84

Moon: Altitude: 13.16 Azimuth: 111.55

Tunka

Object: Altitude: -12.63 Azimuth: 146.18

Sun: Altitude: -19.82 Azimuth: 157.76

Moon: Altitude: 28.39 Azimuth: 93.15

Kislovodsk

Object: Altitude: 17.16 Azimuth: 100.47

Sun: Altitude: 5.41 Azimuth: 106.70

Moon: Altitude: 67.30 Azimuth: 32.80

Tavrida

Object: Altitude: 23.33 Azimuth: 94.46

Sun: Altitude: 11.56 Azimuth: 100.83

Moon: Altitude: 68.72 Azimuth: 11.93

SAAO

Object: Altitude: 10.96 Azimuth: 121.34

Sun: Altitude: 2.90 Azimuth: 110.76

Moon: Altitude: 33.23 Azimuth: 189.31

IAC

Object: Altitude: 65.19 Azimuth: 74.15

Sun: Altitude: 52.19 Azimuth: 79.03

Moon: Altitude: 48.83 Azimuth: 265.37

Argentina

Object: Altitude: 32.56 Azimuth: 211.16

Sun: Altitude: 40.53 Azimuth: 197.98

Moon: Altitude: -19.24 Azimuth: 253.35

Mexico

Object: Altitude: 27.74 Azimuth: 263.24

Sun: Altitude: 37.67 Azimuth: 273.67

Moon: Altitude: -22.93 Azimuth: 219.98

Ural

Object: Altitude: 10.09 Azimuth: 109.91

Sun: Altitude: 0.51 Azimuth: 119.09

Moon: Altitude: 50.24 Azimuth: 46.07

Vostryakovo

Object: Altitude: 21.57 Azimuth: 92.91

Sun: Altitude: 11.24 Azimuth: 101.55

Moon: Altitude: 57.80 Azimuth: 14.69

Gal. latitude: -28.249418 Gal. longitude: 168.595850

Dist. to Sun: 13.233975

Dist. to Moon: 65.651754

Moon coord.: (125.184299 d, 23.802886 d)

Sun coord.: (40.649589 d, 15.776780 d)

Lunar disk: 0.404431

Lunar phase: 101.019168

Lunar bright limb: 282.495086

No SN in this field

2025-05-05 17:44:08 (JD 2460801.238981)

Siderial time 11.166665 h

Ra 03:36:12.00 Dec 19:13:58.80
( 54.050000d, 19.233000d)

Rise 2025-05-06 02:00:40

Transit 2025-05-06 10:07:38

Set 2025-05-06 18:14:35

Amur

Object: Altitude: -17.47 Azimuth: 203.06

Sun: Altitude: -16.66 Azimuth: 214.76

Moon: Altitude: 1.18 Azimuth: 111.02

Tunka

Object: Altitude: -18.95 Azimuth: 178.90

Sun: Altitude: -21.22 Azimuth: 190.59

Moon: Altitude: 16.44 Azimuth: 92.16

Kislovodsk

Object: Altitude: -5.52 Azimuth: 123.41

Sun: Altitude: -14.37 Azimuth: 130.40

Moon: Altitude: 55.51 Azimuth: 37.38

Tavrida

Object: Altitude: 0.23 Azimuth: 117.36

Sun: Altitude: -8.92 Azimuth: 123.86

Moon: Altitude: 57.71 Azimuth: 22.67

SAAO

Object: Altitude: -15.58 Azimuth: 103.18

Sun: Altitude: -23.69 Azimuth: 94.95

Moon: Altitude: 43.44 Azimuth: 181.26

IAC

Object: Altitude: 35.47 Azimuth: 94.34

Sun: Altitude: 24.38 Azimuth: 96.18

Moon: Altitude: 51.84 Azimuth: 283.61

Argentina

Object: Altitude: 38.59 Azimuth: 172.13

Sun: Altitude: 38.85 Azimuth: 157.76

Moon: Altitude: -8.31 Azimuth: 258.43

Mexico

Object: Altitude: 56.73 Azimuth: 282.52

Sun: Altitude: 64.31 Azimuth: 299.49

Moon: Altitude: -25.53 Azimuth: 232.82

Ural

Object: Altitude: -5.12 Azimuth: 138.25

Sun: Altitude: -11.54 Azimuth: 147.54

Moon: Altitude: 38.48 Azimuth: 49.37

Vostryakovo

Object: Altitude: 3.21 Azimuth: 119.97

Sun: Altitude: -4.64 Azimuth: 127.98

Moon: Altitude: 46.95 Azimuth: 23.13

Gal. latitude: -28.249418 Gal. longitude: 168.595850

Dist. to Sun: 11.210066

Dist. to Moon: 92.305892

Moon coord.: (151.636873 d, 14.168888 d)

Sun coord.: (42.660711 d, 16.378628 d)

Lunar disk: 0.617938

Lunar phase: 76.356759

Lunar bright limb: 291.094856

No SN in this field
Recent coverage and limits telegrams

 #######################################################################################
#######################################################################################

  ID = 12502
TYPE = 35
DAYS = 2


MASTER-SAAO robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in South Africa (South African Astronomical Observatory) started inspect of the FERMI GRB250503.61 (trigger No 767975731,03h 36m 12.00s , +19d 13m 59.9s, R=29.1167) errorbox  8992 sec after notice time and 9028 sec after trigger time at 2025-05-03 17:05:54 UT, with upper limit up to  17.3 mag. Observations started at twilight.  The observations began at zenith distance = 73 deg. The sun  altitude  is -14.6 deg. 

The galactic latitude b = -28 deg., longitude l = 169 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2859362

We obtain a following upper limits.  

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

    9058 | 2025-05-03 17:05:54 |         MASTER-SAAO | (05h 25m 27.01s , +16d 50m 49.7s) |   C |    60 | 17.2 |        
    9482 | 2025-05-03 17:12:58 |         MASTER-SAAO | (05h 25m 31.70s , +16d 51m 45.0s) |   C |    60 | 17.3 |        
    9751 | 2025-05-03 17:17:27 |         MASTER-SAAO | (05h 25m 33.92s , +16d 51m 09.8s) |   C |    60 | 17.3 |        
   10255 | 2025-05-03 17:25:51 |         MASTER-SAAO | (05h 25m 35.81s , +16d 51m 26.5s) |   C |    60 | 17.1 |        
   94617 | 2025-05-04 16:51:53 |         MASTER-SAAO | (05h 25m 09.85s , +16d 51m 43.4s) |   C |    60 | 16.4 |        
   95626 | 2025-05-04 17:08:43 |         MASTER-SAAO | (05h 25m 24.33s , +16d 50m 43.7s) |   C |    60 | 17.1 |        
   96032 | 2025-05-04 17:15:29 |         MASTER-SAAO | (05h 25m 32.07s , +16d 51m 19.4s) |   C |    60 | 17.2 |        
   96271 | 2025-05-04 17:19:27 |         MASTER-SAAO | (05h 25m 31.98s , +16d 51m 01.2s) |   C |    60 | 17.1 |        
Filter C is a clear (unfiltred) band. 


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



#######################################################################################
#######################################################################################

  ID = 12493
TYPE = 35
DAYS = 1


MASTER-SAAO robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in South Africa (South African Astronomical Observatory) started inspect of the FERMI GRB250503.61 (trigger No 767975731,03h 36m 12.00s , +19d 13m 59.9s, R=29.1167) errorbox  8992 sec after notice time and 9028 sec after trigger time at 2025-05-03 17:05:54 UT, with upper limit up to  17.3 mag. Observations started at twilight.  The observations began at zenith distance = 73 deg. The sun  altitude  is -14.6 deg. 

The galactic latitude b = -28 deg., longitude l = 169 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2859362

We obtain a following upper limits.  

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

    9058 | 2025-05-03 17:05:54 |         MASTER-SAAO | (05h 25m 27.01s , +16d 50m 49.7s) |   C |    60 | 17.2 |        
    9482 | 2025-05-03 17:12:58 |         MASTER-SAAO | (05h 25m 31.70s , +16d 51m 45.0s) |   C |    60 | 17.3 |        
    9751 | 2025-05-03 17:17:27 |         MASTER-SAAO | (05h 25m 33.92s , +16d 51m 09.8s) |   C |    60 | 17.3 |        
   10255 | 2025-05-03 17:25:51 |         MASTER-SAAO | (05h 25m 35.81s , +16d 51m 26.5s) |   C |    60 | 17.1 |        
Filter C is a clear (unfiltred) band. 


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



#######################################################################################
#######################################################################################

  ID = 12491
TYPE = 35
DAYS = 0


MASTER-SAAO robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in South Africa (South African Astronomical Observatory) started inspect of the FERMI GRB250503.61 (trigger No 767975731,03h 36m 12.00s , +19d 13m 58.8s, R=29.12) errorbox  8992 sec after notice time and 9028 sec after trigger time at 2025-05-03 17:05:54 UT, with upper limit up to  17.2 mag. Observations started at twilight.  The observations began at zenith distance = 73 deg. The sun  altitude  is -14.6 deg. 

The galactic latitude b = -28 deg., longitude l = 169 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2859360

We obtain a following upper limits.  

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

    9058 | 2025-05-03 17:05:54 |         MASTER-SAAO | (05h 25m 27.01s , +16d 50m 49.7s) |   C |    60 | 17.2 |        
Filter C is a clear (unfiltred) band. 


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



#######################################################################################
#######################################################################################

  ID = 12490
TYPE = 35
DAYS = 0


MASTER-SAAO robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in South Africa (South African Astronomical Observatory) started inspect of the FERMI GRB250503.61 (trigger No 767975731,03h 36m 12.00s , +19d 13m 58.8s, R=29.12) errorbox  8992 sec after notice time and 9028 sec after trigger time at 2025-05-03 17:05:54 UT, with upper limit up to  17.2 mag. Observations started at twilight.  The observations began at zenith distance = 73 deg. The sun  altitude  is -14.6 deg. 

The galactic latitude b = -28 deg., longitude l = 169 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2859360

We obtain a following upper limits.  

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

    9058 | 2025-05-03 17:05:54 |         MASTER-SAAO | (05h 25m 27.01s , +16d 50m 49.7s) |   C |    60 | 17.2 |        
Filter C is a clear (unfiltred) band. 


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



#######################################################################################
#######################################################################################

  ID = 12489
TYPE = 34
DAYS = 0


MASTER-SAAO robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in South Africa (South African Astronomical Observatory) started inspect of the FERMI GRB250503.61 (trigger No 767975731,03h 36m 12.00s , +19d 13m 58.8s, R=29.12) errorbox  8992 sec after notice time and 9028 sec after trigger time at 2025-05-03 17:05:54 UT, with upper limit up to  17.2 mag. Observations started at twilight.  The observations began at zenith distance = 73 deg. The sun  altitude  is -14.6 deg. 

The galactic latitude b = -28 deg., longitude l = 169 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2859360

We obtain a following upper limits.  

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

    9058 | 2025-05-03 17:05:54 |         MASTER-SAAO | (05h 25m 27.01s , +16d 50m 49.7s) |   C |    60 | 17.2 |        
Filter C is a clear (unfiltred) band. 


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

MASTER, 2002-2025