MASTER Net MASTER Database: GRB250504.98 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 GRB250504.98
Trignum 768093959
Trigger time 2025-05-04 23:25:54.78
Notice time 2025-05-04 23:35:38.282565
Coord, eb (17h 41m 28.80s , -40d 56m 24.0s) , 2.14
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)

You are viewing outdated information, relevant error box is here

All alerts for this trigger
id noticetime coord2000 satel errorbox type trigger seq trig_type links
2861123 2025-05-05 06:27:38.847074 17h 41m 28.80s -40d 56m 24.0s FERMI 2.14 retraction 768093959 1 4044 retraction
2860892 2025-05-04 23:35:38.282565 17h 41m 28.80s -40d 56m 24.0s FERMI 2.14 alert 768093959 3 115 alert
2860874 2025-05-04 23:28:42.254779 17h 37m 04.80s -40d 29m 24.0s FERMI 2.21 alert 768093959 9 112 alert
2860834 2025-05-04 23:27:05.488713 13h 10m 00.00s -59d 46m 01.2s FERMI 6.07 alert 768093959 18 111 alert

DAYS:

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

Synchronous WFC images
Distance datetime coord2000 observatory camera links
93.5 2025-05-04 23:23:41.555 00h 00m 00.00s +00d 00m 00.0s OAFA 29008 Database OAFA
93.5 2025-05-04 23:24:23.555 00h 00m 00.00s +00d 00m 00.0s OAFA 111342 Database OAFA
Errorbox center visibility at MASTER facilities
trigger notice notice+1hr now

2025-05-04 23:25:54 (JD 2460800.476319)

Siderial time 16.812662 h

Ra 17:41:28.80 Dec -40:56:24.00
(265.370000d, -40.940000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: -23.15 Azimuth: 53.08

Sun: Altitude: 31.47 Azimuth: 283.10

Moon: Altitude: -19.49 Azimuth: 199.72

Tunka

Object: Altitude: -13.25 Azimuth: 37.86

Sun: Altitude: 16.13 Azimuth: 264.21

Moon: Altitude: -20.01 Azimuth: 175.07

Kislovodsk

Object: Altitude: 4.99 Azimuth: 353.73

Sun: Altitude: -22.01 Azimuth: 216.64

Moon: Altitude: -4.10 Azimuth: 119.91

Tavrida

Object: Altitude: 3.02 Azimuth: 347.38

Sun: Altitude: -24.45 Azimuth: 208.26

Moon: Altitude: 1.77 Azimuth: 113.93

SAAO

Object: Altitude: 64.62 Azimuth: 298.26

Sun: Altitude: -69.71 Azimuth: 319.87

Moon: Altitude: -11.90 Azimuth: 103.96

IAC

Object: Altitude: -3.10 Azimuth: 315.74

Sun: Altitude: -39.90 Azimuth: 149.57

Moon: Altitude: 38.35 Azimuth: 91.30

Argentina

Object: Altitude: 1.32 Azimuth: 319.19

Sun: Altitude: -19.56 Azimuth: 97.31

Moon: Altitude: 40.08 Azimuth: 176.60

Mexico

Object: Altitude: -71.91 Azimuth: 308.32

Sun: Altitude: 31.77 Azimuth: 90.53

Moon: Altitude: 53.02 Azimuth: 281.44

Ural

Object: Altitude: -8.25 Azimuth: 6.66

Sun: Altitude: -4.98 Azimuth: 229.61

Moon: Altitude: -4.79 Azimuth: 134.48

Vostryakovo

Object: Altitude: -6.95 Azimuth: 350.15

Sun: Altitude: -13.96 Azimuth: 210.11

Moon: Altitude: 4.09 Azimuth: 116.30

Gal. latitude: -6.131933 Gal. longitude: 349.636271

Dist. to Sun: 135.166685

Dist. to Moon: 126.350258

Moon coord.: (142.509715 d, 18.048398 d)

Sun coord.: (41.925317 d, 16.161144 d)

Lunar disk: 0.542024

Lunar phase: 85.178698

Lunar bright limb: 288.703758

No SN in this field

2025-05-04 23:35:38 (JD 2460800.483079)

Siderial time 16.975328 h

Ra 17:41:28.80 Dec -40:56:24.00
(265.370000d, -40.940000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: -24.41 Azimuth: 54.55

Sun: Altitude: 32.98 Azimuth: 285.21

Moon: Altitude: -18.99 Azimuth: 202.03

Tunka

Object: Altitude: -14.19 Azimuth: 39.49

Sun: Altitude: 17.63 Azimuth: 266.08

Moon: Altitude: -20.14 Azimuth: 177.45

Kislovodsk

Object: Altitude: 5.15 Azimuth: 355.58

Sun: Altitude: -20.93 Azimuth: 218.86

Moon: Altitude: -5.59 Azimuth: 121.59

Tavrida

Object: Altitude: 3.37 Azimuth: 349.20

Sun: Altitude: -23.60 Azimuth: 210.64

Moon: Altitude: 0.23 Azimuth: 115.55

SAAO

Object: Altitude: 66.42 Azimuth: 299.13

Sun: Altitude: -68.31 Azimuth: 314.63

Moon: Altitude: -13.82 Azimuth: 102.78

IAC

Object: Altitude: -1.61 Azimuth: 316.83

Sun: Altitude: -40.94 Azimuth: 152.32

Moon: Altitude: 36.26 Azimuth: 92.33

Argentina

Object: Altitude: 2.70 Azimuth: 317.96

Sun: Altitude: -21.61 Azimuth: 96.12

Moon: Altitude: 39.94 Azimuth: 173.68

Mexico

Object: Altitude: -70.24 Azimuth: 305.90

Sun: Altitude: 29.69 Azimuth: 91.76

Moon: Altitude: 54.98 Azimuth: 283.30

Ural

Object: Altitude: -8.43 Azimuth: 8.52

Sun: Altitude: -3.96 Azimuth: 231.72

Moon: Altitude: -5.72 Azimuth: 136.53

Vostryakovo

Object: Altitude: -6.74 Azimuth: 352.00

Sun: Altitude: -13.24 Azimuth: 212.40

Moon: Altitude: 2.87 Azimuth: 118.19

Gal. latitude: -6.131933 Gal. longitude: 349.636271

Dist. to Sun: 135.172604

Dist. to Moon: 126.267576

Moon coord.: (142.593027 d, 18.015485 d)

Sun coord.: (41.931829 d, 16.163083 d)

Lunar disk: 0.542711

Lunar phase: 85.099667

Lunar bright limb: 288.728660

No SN in this field

2025-05-05 00:35:38 (JD 2460800.524745)

Siderial time 17.978066 h

Ra 17:41:28.80 Dec -40:56:24.00
(265.370000d, -40.940000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: -32.64 Azimuth: 63.47

Sun: Altitude: 41.83 Azimuth: 299.57

Moon: Altitude: -14.70 Azimuth: 215.77

Tunka

Object: Altitude: -20.69 Azimuth: 49.25

Sun: Altitude: 26.90 Azimuth: 278.02

Moon: Altitude: -19.59 Azimuth: 192.14

Kislovodsk

Object: Altitude: 4.91 Azimuth: 6.97

Sun: Altitude: -13.22 Azimuth: 231.61

Moon: Altitude: -14.12 Azimuth: 132.64

Tavrida

Object: Altitude: 4.33 Azimuth: 0.53

Sun: Altitude: -17.09 Azimuth: 224.37

Moon: Altitude: -8.79 Azimuth: 126.07

SAAO

Object: Altitude: 76.84 Azimuth: 314.09

Sun: Altitude: -57.69 Azimuth: 292.69

Moon: Altitude: -25.82 Azimuth: 95.48

IAC

Object: Altitude: 6.80 Azimuth: 324.46

Sun: Altitude: -45.09 Azimuth: 171.24

Moon: Altitude: 23.45 Azimuth: 98.34

Argentina

Object: Altitude: 11.82 Azimuth: 311.15

Sun: Altitude: -34.35 Azimuth: 88.47

Moon: Altitude: 36.94 Azimuth: 156.42

Mexico

Object: Altitude: -59.27 Azimuth: 298.95

Sun: Altitude: 16.91 Azimuth: 99.02

Moon: Altitude: 66.49 Azimuth: 299.27

Ural

Object: Altitude: -10.43 Azimuth: 19.84

Sun: Altitude: 2.97 Azimuth: 244.36

Moon: Altitude: -10.66 Azimuth: 149.58

Vostryakovo

Object: Altitude: -6.40 Azimuth: 3.41

Sun: Altitude: -7.85 Azimuth: 225.99

Moon: Altitude: -4.13 Azimuth: 130.11

Gal. latitude: -6.131933 Gal. longitude: 349.636271

Dist. to Sun: 135.209089

Dist. to Moon: 125.758082

Moon coord.: (143.105577 d, 17.811947 d)

Sun coord.: (41.971974 d, 16.175031 d)

Lunar disk: 0.546943

Lunar phase: 84.612844

Lunar bright limb: 288.880681

No SN in this field

2025-05-05 10:34:17 (JD 2460800.940475)

Siderial time 3.982883 h

Ra 17:41:28.80 Dec -40:56:24.00
(265.370000d, -40.940000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: -45.56 Azimuth: 283.69

Sun: Altitude: 1.97 Azimuth: 113.47

Moon: Altitude: 55.38 Azimuth: 2.51

Tunka

Object: Altitude: -60.89 Azimuth: 264.00

Sun: Altitude: 17.14 Azimuth: 94.75

Moon: Altitude: 49.56 Azimuth: 324.67

Kislovodsk

Object: Altitude: -74.47 Azimuth: 93.25

Sun: Altitude: 56.68 Azimuth: 41.48

Moon: Altitude: 15.45 Azimuth: 262.84

Tavrida

Object: Altitude: -68.35 Azimuth: 89.75

Sun: Altitude: 59.29 Azimuth: 26.57

Moon: Altitude: 9.62 Azimuth: 257.34

SAAO

Object: Altitude: -6.89 Azimuth: 30.89

Sun: Altitude: 41.32 Azimuth: 179.28

Moon: Altitude: -20.99 Azimuth: 264.23

IAC

Object: Altitude: -25.40 Azimuth: 55.38

Sun: Altitude: 54.11 Azimuth: 281.57

Moon: Altitude: -32.96 Azimuth: 224.28

Argentina

Object: Altitude: 51.23 Azimuth: 62.66

Sun: Altitude: -8.15 Azimuth: 255.84

Moon: Altitude: -68.71 Azimuth: 44.51

Mexico

Object: Altitude: 17.77 Azimuth: 5.05

Sun: Altitude: -23.00 Azimuth: 232.31

Moon: Altitude: -18.46 Azimuth: 122.31

Ural

Object: Altitude: -73.73 Azimuth: 169.97

Sun: Altitude: 39.76 Azimuth: 52.25

Moon: Altitude: 25.88 Azimuth: 281.22

Vostryakovo

Object: Altitude: -67.94 Azimuth: 120.24

Sun: Altitude: 48.66 Azimuth: 26.00

Moon: Altitude: 13.90 Azimuth: 262.36

Gal. latitude: -6.131933 Gal. longitude: 349.636271

Dist. to Sun: 135.572777

Dist. to Moon: 120.692647

Moon coord.: (148.127312 d, 15.724212 d)

Sun coord.: (42.372726 d, 16.293818 d)

Lunar disk: 0.588649

Lunar phase: 79.787564

Lunar bright limb: 290.258773

No SN in this field
Recent coverage and limits telegrams

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

  ID = 12499
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 GRB 250504A ( Fermi GBM team, GCN 40342) errorbox  1 sec after notice time and 43 sec after trigger time at 2025-05-04 23:26:38 UT, with upper limit up to  17.3 mag. The observations began at zenith distance = 29 deg. The sun  altitude  is -70.3 deg. 

The galactic latitude b = -6 deg., longitude l = 350 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2860892

We obtain a following upper limits.  

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

      49 | 2025-05-04 23:26:38 |         MASTER-SAAO | (17h 56m 41.66s , -40d 35m 44.3s) |   C |    10 | 16.7 |        
      77 | 2025-05-04 23:27:07 |         MASTER-SAAO | (17h 56m 41.67s , -40d 35m 44.8s) |   C |    10 | 16.7 |        
     111 | 2025-05-04 23:27:36 |         MASTER-SAAO | (17h 56m 41.71s , -40d 35m 45.1s) |   C |    20 | 17.0 |        
     151 | 2025-05-04 23:28:15 |         MASTER-SAAO | (17h 56m 41.72s , -40d 35m 45.3s) |   C |    20 | 17.0 |        
     249 | 2025-05-04 23:29:43 |         MASTER-SAAO | (17h 56m 41.65s , -40d 35m 44.1s) |   C |    40 | 17.2 |        
     313 | 2025-05-04 23:30:42 |         MASTER-SAAO | (17h 56m 41.63s , -40d 35m 43.6s) |   C |    50 | 17.2 |        
     387 | 2025-05-04 23:31:51 |         MASTER-SAAO | (17h 56m 41.55s , -40d 35m 43.1s) |   C |    60 | 17.3 |        
     466 | 2025-05-04 23:33:10 |         MASTER-SAAO | (17h 56m 41.50s , -40d 35m 42.3s) |   C |    60 | 17.3 |        
     545 | 2025-05-04 23:34:29 |         MASTER-SAAO | (17h 56m 41.40s , -40d 35m 41.4s) |   C |    60 | 17.3 |        
     624 | 2025-05-04 23:35:48 |         MASTER-SAAO | (17h 56m 41.29s , -40d 35m 40.5s) |   C |    60 | 17.3 |        
     703 | 2025-05-04 23:37:08 |         MASTER-SAAO | (17h 56m 41.19s , -40d 35m 39.7s) |   C |    60 | 17.3 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 12498
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 GRB 250504A ( Fermi GBM team, GCN 40342) errorbox  1 sec after notice time and 43 sec after trigger time at 2025-05-04 23:26:38 UT, with upper limit up to  17.3 mag. The observations began at zenith distance = 29 deg. The sun  altitude  is -70.3 deg. 

The galactic latitude b = -6 deg., longitude l = 350 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2860892

We obtain a following upper limits.  

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

      49 | 2025-05-04 23:26:38 |         MASTER-SAAO | (17h 56m 41.66s , -40d 35m 44.3s) |   C |    10 | 16.7 |        
      77 | 2025-05-04 23:27:07 |         MASTER-SAAO | (17h 56m 41.67s , -40d 35m 44.8s) |   C |    10 | 16.7 |        
     111 | 2025-05-04 23:27:36 |         MASTER-SAAO | (17h 56m 41.71s , -40d 35m 45.1s) |   C |    20 | 17.0 |        
     151 | 2025-05-04 23:28:15 |         MASTER-SAAO | (17h 56m 41.72s , -40d 35m 45.3s) |   C |    20 | 17.0 |        
     249 | 2025-05-04 23:29:43 |         MASTER-SAAO | (17h 56m 41.65s , -40d 35m 44.1s) |   C |    40 | 17.2 |        
     313 | 2025-05-04 23:30:42 |         MASTER-SAAO | (17h 56m 41.63s , -40d 35m 43.6s) |   C |    50 | 17.2 |        
     387 | 2025-05-04 23:31:51 |         MASTER-SAAO | (17h 56m 41.55s , -40d 35m 43.1s) |   C |    60 | 17.3 |        
     466 | 2025-05-04 23:33:10 |         MASTER-SAAO | (17h 56m 41.50s , -40d 35m 42.3s) |   C |    60 | 17.3 |        
     545 | 2025-05-04 23:34:29 |         MASTER-SAAO | (17h 56m 41.40s , -40d 35m 41.4s) |   C |    60 | 17.3 |        
     624 | 2025-05-04 23:35:48 |         MASTER-SAAO | (17h 56m 41.29s , -40d 35m 40.5s) |   C |    60 | 17.3 |        
     703 | 2025-05-04 23:37:08 |         MASTER-SAAO | (17h 56m 41.19s , -40d 35m 39.7s) |   C |    60 | 17.3 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 12497
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 GRB 250504A ( Fermi GBM team, GCN 40342) errorbox  1 sec after notice time and 43 sec after trigger time at 2025-05-04 23:26:38 UT, with upper limit up to  17.3 mag. The observations began at zenith distance = 29 deg. The sun  altitude  is -70.3 deg. 

The galactic latitude b = -6 deg., longitude l = 350 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2860892

We obtain a following upper limits.  

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

      49 | 2025-05-04 23:26:38 |         MASTER-SAAO | (17h 56m 41.66s , -40d 35m 44.3s) |   C |    10 | 16.7 |        
      77 | 2025-05-04 23:27:07 |         MASTER-SAAO | (17h 56m 41.67s , -40d 35m 44.8s) |   C |    10 | 16.7 |        
     111 | 2025-05-04 23:27:36 |         MASTER-SAAO | (17h 56m 41.71s , -40d 35m 45.1s) |   C |    20 | 17.0 |        
     151 | 2025-05-04 23:28:15 |         MASTER-SAAO | (17h 56m 41.72s , -40d 35m 45.3s) |   C |    20 | 17.0 |        
     249 | 2025-05-04 23:29:43 |         MASTER-SAAO | (17h 56m 41.65s , -40d 35m 44.1s) |   C |    40 | 17.2 |        
     313 | 2025-05-04 23:30:42 |         MASTER-SAAO | (17h 56m 41.63s , -40d 35m 43.6s) |   C |    50 | 17.2 |        
     387 | 2025-05-04 23:31:51 |         MASTER-SAAO | (17h 56m 41.55s , -40d 35m 43.1s) |   C |    60 | 17.3 |        
     466 | 2025-05-04 23:33:10 |         MASTER-SAAO | (17h 56m 41.50s , -40d 35m 42.3s) |   C |    60 | 17.3 |        
     545 | 2025-05-04 23:34:29 |         MASTER-SAAO | (17h 56m 41.40s , -40d 35m 41.4s) |   C |    60 | 17.3 |        
     624 | 2025-05-04 23:35:48 |         MASTER-SAAO | (17h 56m 41.29s , -40d 35m 40.5s) |   C |    60 | 17.3 |        
     703 | 2025-05-04 23:37:08 |         MASTER-SAAO | (17h 56m 41.19s , -40d 35m 39.7s) |   C |    60 | 17.3 |        
Filter C is a clear (unfiltred) band. 


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

MASTER, 2002-2025