MASTER Net MASTER Database: LIGO alert

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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Name FERMI GRB250121.98
Type 2
Trigger time 2025-01-21 23:36:05.78
Notice time 2025-01-21 23:37:56.359895
Distance ± Mpc
BNS BHH NSBH Gap Terr
Galaxy in: 50%
90%
FULL

This work was supported by RFBR BRICS 17-52-80133 grant.
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)

DAYS:
Coverage since triggertime up to

ALL PLOTS
datetime T - Trig [h] T - Not [h] Area [sq. deg]
Box 50% 90% FULL
[%] 58.4 37.2 33.6
2025-02-04 23:36:05 336.0 336.0 35.4

Map with WFC

Discoveries in this field
No discoveries yet!

Synchronous WFC images
datetime coord2000 observatory camera links
Errorbox center visibility at MASTER facilities
SELECT set_sphere_output('HMS'); select set_sphere_output_precision(1); select distinct on (gn) get_grb_name2 (grbtime, satel ) as gn, coord2000, satel, errorbox, 'now'::timestamp,'now'::timestamp+'1 hour'::interval,grbtime+'1 hour'::interval from grb where tabs(grbtime-'2025-01-21 23:36:05.78')<'10 minutes'::interval order by gn,seq desc,errorbox asc;
trigger notice notice+1hr now

2025-01-21 23:36:05 (JD 2460697.483391)

Siderial time 10.214737 h

Ra 14:48:07.92 Dec -44:40:01.20
(222.033000d, -44.667000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: -6.73 Azimuth: 14.91

Sun: Altitude: 1.78 Azimuth: 304.55

Moon: Altitude: 18.22 Azimuth: 33.69

Tunka

Object: Altitude: -6.52 Azimuth: 357.59

Sun: Altitude: -12.67 Azimuth: 285.94

Moon: Altitude: 22.46 Azimuth: 9.08

Kislovodsk

Object: Altitude: -15.08 Azimuth: 318.59

Sun: Altitude: -52.86 Azimuth: 240.74

Moon: Altitude: 14.35 Azimuth: 308.47

Tavrida

Object: Altitude: -20.00 Azimuth: 313.82

Sun: Altitude: -57.27 Azimuth: 228.60

Moon: Altitude: 8.81 Azimuth: 301.98

SAAO

Object: Altitude: 24.98 Azimuth: 308.53

Sun: Altitude: -36.55 Azimuth: 345.53

Moon: Altitude: 21.83 Azimuth: 274.75

IAC

Object: Altitude: -42.36 Azimuth: 306.12

Sun: Altitude: -65.68 Azimuth: 105.02

Moon: Altitude: -25.33 Azimuth: 274.41

Argentina

Object: Altitude: -13.43 Azimuth: 356.90

Sun: Altitude: 0.54 Azimuth: 66.93

Moon: Altitude: -40.36 Azimuth: 339.19

Mexico

Object: Altitude: -58.25 Azimuth: 54.10

Sun: Altitude: 12.42 Azimuth: 57.55

Moon: Altitude: -62.44 Azimuth: 119.19

Ural

Object: Altitude: -18.99 Azimuth: 326.70

Sun: Altitude: -37.27 Azimuth: 246.88

Moon: Altitude: 12.08 Azimuth: 325.71

Vostryakovo

Object: Altitude: -25.55 Azimuth: 312.78

Sun: Altitude: -48.10 Azimuth: 223.64

Moon: Altitude: 4.86 Azimuth: 306.12

Gal. latitude: 12.973620 Gal. longitude: 324.255091

Dist. to Sun: 70.728102

Dist. to Moon: 31.080986

Moon coord.: (209.974420 d, -15.309144 d)

Sun coord.: (304.095314 d, -19.755822 d)

Lunar disk: 0.489259

Lunar phase: 91.230871

Lunar bright limb: 110.143602

No SN in this field

2025-01-21 23:37:56 (JD 2460697.484676)

Siderial time 10.245654 h

Ra 14:48:07.92 Dec -44:40:01.20
(222.033000d, -44.667000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: -6.81 Azimuth: 15.23

Sun: Altitude: 2.03 Azimuth: 304.91

Moon: Altitude: 18.05 Azimuth: 34.11

Tunka

Object: Altitude: -6.51 Azimuth: 357.92

Sun: Altitude: -12.39 Azimuth: 286.29

Moon: Altitude: 22.40 Azimuth: 9.54

Kislovodsk

Object: Altitude: -14.86 Azimuth: 318.84

Sun: Altitude: -52.57 Azimuth: 241.27

Moon: Altitude: 14.60 Azimuth: 308.84

Tavrida

Object: Altitude: -19.77 Azimuth: 314.07

Sun: Altitude: -57.02 Azimuth: 229.26

Moon: Altitude: 9.07 Azimuth: 302.32

SAAO

Object: Altitude: 25.29 Azimuth: 308.39

Sun: Altitude: -36.45 Azimuth: 345.00

Moon: Altitude: 22.21 Azimuth: 274.52

IAC

Object: Altitude: -42.03 Azimuth: 306.13

Sun: Altitude: -66.07 Azimuth: 105.48

Moon: Altitude: -24.94 Azimuth: 274.61

Argentina

Object: Altitude: -13.41 Azimuth: 356.56

Sun: Altitude: 0.18 Azimuth: 66.68

Moon: Altitude: -40.22 Azimuth: 338.65

Mexico

Object: Altitude: -58.58 Azimuth: 53.96

Sun: Altitude: 12.08 Azimuth: 57.83

Moon: Altitude: -62.78 Azimuth: 119.77

Ural

Object: Altitude: -18.85 Azimuth: 327.01

Sun: Altitude: -37.03 Azimuth: 247.34

Moon: Altitude: 12.21 Azimuth: 326.13

Vostryakovo

Object: Altitude: -25.35 Azimuth: 313.07

Sun: Altitude: -47.92 Azimuth: 224.23

Moon: Altitude: 5.06 Azimuth: 306.51

Gal. latitude: 12.973620 Gal. longitude: 324.255091

Dist. to Sun: 70.729247

Dist. to Moon: 31.070973

Moon coord.: (209.988795 d, -15.315434 d)

Sun coord.: (304.096668 d, -19.755530 d)

Lunar disk: 0.489138

Lunar phase: 91.244747

Lunar bright limb: 110.139863

No SN in this field

2025-01-22 00:37:56 (JD 2460697.526343)

Siderial time 11.248392 h

Ra 14:48:07.92 Dec -44:40:01.20
(222.033000d, -44.667000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: -10.15 Azimuth: 25.49

Sun: Altitude: 9.26 Azimuth: 317.10

Moon: Altitude: 11.81 Azimuth: 47.15

Tunka

Object: Altitude: -7.04 Azimuth: 8.67

Sun: Altitude: -3.80 Azimuth: 297.60

Moon: Altitude: 19.58 Azimuth: 24.29

Kislovodsk

Object: Altitude: -8.34 Azimuth: 327.48

Sun: Altitude: -42.48 Azimuth: 255.98

Moon: Altitude: 21.85 Azimuth: 321.52

Tavrida

Object: Altitude: -12.64 Azimuth: 322.36

Sun: Altitude: -47.95 Azimuth: 247.16

Moon: Altitude: 17.03 Azimuth: 314.22

SAAO

Object: Altitude: 35.50 Azimuth: 304.76

Sun: Altitude: -31.49 Azimuth: 329.04

Moon: Altitude: 34.61 Azimuth: 266.98

IAC

Object: Altitude: -31.39 Azimuth: 307.36

Sun: Altitude: -77.80 Azimuth: 132.42

Moon: Altitude: -12.32 Azimuth: 281.15

Argentina

Object: Altitude: -11.44 Azimuth: 345.81

Sun: Altitude: -11.13 Azimuth: 58.19

Moon: Altitude: -33.95 Azimuth: 322.85

Mexico

Object: Altitude: -68.47 Azimuth: 44.78

Sun: Altitude: 0.74 Azimuth: 66.29

Moon: Altitude: -72.10 Azimuth: 148.00

Ural

Object: Altitude: -15.04 Azimuth: 337.45

Sun: Altitude: -29.18 Azimuth: 261.37

Moon: Altitude: 15.59 Azimuth: 340.19

Vostryakovo

Object: Altitude: -19.63 Azimuth: 322.84

Sun: Altitude: -41.12 Azimuth: 241.64

Moon: Altitude: 10.93 Azimuth: 319.40

Gal. latitude: 12.973620 Gal. longitude: 324.255091

Dist. to Sun: 70.766373

Dist. to Moon: 30.748295

Moon coord.: (210.455527 d, -15.518952 d)

Sun coord.: (304.140563 d, -19.746067 d)

Lunar disk: 0.485212

Lunar phase: 91.694864

Lunar bright limb: 110.017498

No SN in this field

2025-03-31 14:41:40 (JD 2460766.112269)

Siderial time 5.817384 h

Ra 14:48:07.92 Dec -44:40:01.20
(222.033000d, -44.667000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: -12.67 Azimuth: 329.03

Sun: Altitude: -34.31 Azimuth: 164.50

Moon: Altitude: -12.33 Azimuth: 141.01

Tunka

Object: Altitude: -23.41 Azimuth: 313.53

Sun: Altitude: -25.63 Azimuth: 138.03

Moon: Altitude: 0.18 Azimuth: 120.95

Kislovodsk

Object: Altitude: -54.63 Azimuth: 289.44

Sun: Altitude: 8.54 Azimuth: 87.73

Moon: Altitude: 38.18 Azimuth: 79.14

Tavrida

Object: Altitude: -60.74 Azimuth: 284.85

Sun: Altitude: 14.52 Azimuth: 81.47

Moon: Altitude: 43.82 Azimuth: 71.01

SAAO

Object: Altitude: -8.73 Azimuth: 339.97

Sun: Altitude: 21.98 Azimuth: 110.55

Moon: Altitude: 30.02 Azimuth: 143.58

IAC

Object: Altitude: -72.16 Azimuth: 21.05

Sun: Altitude: 57.37 Azimuth: 46.82

Moon: Altitude: 79.56 Azimuth: 336.05

Argentina

Object: Altitude: 4.82 Azimuth: 38.94

Sun: Altitude: 44.24 Azimuth: 223.43

Moon: Altitude: 15.45 Azimuth: 235.76

Mexico

Object: Altitude: -13.17 Azimuth: 45.43

Sun: Altitude: 18.75 Azimuth: 276.46

Moon: Altitude: 2.74 Azimuth: 249.78

Ural

Object: Altitude: -47.74 Azimuth: 282.96

Sun: Altitude: -1.43 Azimuth: 100.10

Moon: Altitude: 25.57 Azimuth: 85.14

Vostryakovo

Object: Altitude: -59.56 Azimuth: 268.71

Sun: Altitude: 10.57 Azimuth: 82.12

Moon: Altitude: 37.63 Azimuth: 66.14

Gal. latitude: 12.973620 Gal. longitude: 324.255091

Dist. to Sun: 130.768626

Dist. to Moon: 153.760570

Moon coord.: (37.584784 d, 18.691785 d)

Sun coord.: (9.911889 d, 4.269863 d)

Lunar disk: 0.070099

Lunar phase: 149.294417

Lunar bright limb: 245.353188

No SN in this field
Recent coverage and limits telegrams
#######################################################################################
#######################################################################################

  ID = 11965
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 GRB250121.98 (trigger No 759195370,15h 00m 40.80s , -36d 53m 24.0s, R=1.04) errorbox  112 sec after notice time and 153 sec after trigger time at 2025-01-21 23:38:39 UT, with upper limit up to  15.6 mag. The observations began at zenith distance = 69 deg. The sun  altitude  is -37.0 deg. 

The galactic latitude b = 19 deg., longitude l = 330 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2750991

We obtain a following upper limits.  

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

     168 | 2025-01-21 23:38:39 |         MASTER-SAAO | (14h 55m 56.92s , -38d 31m 00.4s) |   C |    30 | 13.5 |        
     223 | 2025-01-21 23:39:28 |         MASTER-SAAO | (14h 55m 56.90s , -38d 30m 59.7s) |   C |    40 | 14.0 |        
     287 | 2025-01-21 23:40:27 |         MASTER-SAAO | (14h 55m 56.85s , -38d 30m 59.3s) |   C |    50 | 15.6 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 11966
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 GRB250121.98 (trigger No 759195370,15h 00m 40.80s , -36d 53m 24.0s, R=1.04) errorbox  112 sec after notice time and 153 sec after trigger time at 2025-01-21 23:38:39 UT, with upper limit up to  15.6 mag. The observations began at zenith distance = 69 deg. The sun  altitude  is -37.0 deg. 

The galactic latitude b = 19 deg., longitude l = 330 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2750991

We obtain a following upper limits.  

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

     168 | 2025-01-21 23:38:39 |         MASTER-SAAO | (14h 55m 56.92s , -38d 31m 00.4s) |   C |    30 | 13.5 |        
     223 | 2025-01-21 23:39:28 |         MASTER-SAAO | (14h 55m 56.90s , -38d 30m 59.7s) |   C |    40 | 14.0 |        
     287 | 2025-01-21 23:40:27 |         MASTER-SAAO | (14h 55m 56.85s , -38d 30m 59.3s) |   C |    50 | 15.6 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 11967
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 GRB250121.98 (trigger No 759195370,15h 00m 40.80s , -36d 53m 24.0s, R=1.04) errorbox  112 sec after notice time and 153 sec after trigger time at 2025-01-21 23:38:39 UT, with upper limit up to  15.6 mag. The observations began at zenith distance = 69 deg. The sun  altitude  is -37.0 deg. 

The galactic latitude b = 19 deg., longitude l = 330 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2750991

We obtain a following upper limits.  

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

     168 | 2025-01-21 23:38:39 |         MASTER-SAAO | (14h 55m 56.92s , -38d 31m 00.4s) |   C |    30 | 13.5 |        
     223 | 2025-01-21 23:39:28 |         MASTER-SAAO | (14h 55m 56.90s , -38d 30m 59.7s) |   C |    40 | 14.0 |        
     287 | 2025-01-21 23:40:27 |         MASTER-SAAO | (14h 55m 56.85s , -38d 30m 59.3s) |   C |    50 | 15.6 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 11968
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 GRB 250121A ( Fermi GBM team, GCN 39006) errorbox  112 sec after notice time and 153 sec after trigger time at 2025-01-21 23:38:39 UT, with upper limit up to  15.8 mag. The observations began at zenith distance = 69 deg. The sun  altitude  is -37.0 deg. 

The galactic latitude b = 19 deg., longitude l = 330 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2750990

We obtain a following upper limits.  

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

     168 | 2025-01-21 23:38:39 |         MASTER-SAAO | (14h 55m 56.92s , -38d 31m 00.4s) |   C |    30 | 13.5 |        
     213 | 2025-01-21 23:38:39 |         MASTER-SAAO | (14h 55m 56.92s , -38d 31m 00.4s) |   C |   120 | 15.5 |  Coadd 
     223 | 2025-01-21 23:39:28 |         MASTER-SAAO | (14h 55m 56.90s , -38d 30m 59.7s) |   C |    40 | 14.0 |        
     287 | 2025-01-21 23:40:27 |         MASTER-SAAO | (14h 55m 56.85s , -38d 30m 59.3s) |   C |    50 | 15.6 |        
     361 | 2025-01-21 23:41:36 |         MASTER-SAAO | (14h 55m 56.81s , -38d 30m 59.4s) |   C |    60 | 15.8 |        
Filter C is a clear (unfiltred) band. 


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

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