MASTER Net MASTER Database: GRB250225.82 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 SWIFT GRB250225.82
Trignum 1291459
Trigger time 2025-02-25 19:39:13.65
Notice time 2025-02-25 19:43:16.232435
Coord, eb (20h 24m 34.80s , -41d 29m 02.4s) , 0.05
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
2791924 2025-02-25 19:43:16.232435 20h 24m 34.80s -41d 29m 02.4s SWIFT 0.05 alert 1291459 3 61 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

2025-02-25 19:39:13 (JD 2460732.318900)

Siderial time 8.555994 h

Ra 20:24:34.80 Dec -41:29:02.40
(306.145000d, -41.484000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: -29.51 Azimuth: 300.65

Sun: Altitude: -26.13 Azimuth: 251.26

Moon: Altitude: -18.77 Azimuth: 282.46

Tunka

Object: Altitude: -44.17 Azimuth: 285.00

Sun: Altitude: -38.48 Azimuth: 226.32

Moon: Altitude: -34.10 Azimuth: 262.98

Kislovodsk

Object: Altitude: -84.31 Azimuth: 249.02

Sun: Altitude: -48.66 Azimuth: 139.78

Moon: Altitude: -68.40 Azimuth: 185.16

Tavrida

Object: Altitude: -86.60 Azimuth: 161.96

Sun: Altitude: -43.65 Azimuth: 130.08

Moon: Altitude: -66.86 Azimuth: 164.63

SAAO

Object: Altitude: -14.92 Azimuth: 11.28

Sun: Altitude: -28.88 Azimuth: 56.00

Moon: Altitude: -32.26 Azimuth: 21.62

IAC

Object: Altitude: -46.12 Azimuth: 58.30

Sun: Altitude: -8.92 Azimuth: 84.64

Moon: Altitude: -38.56 Azimuth: 83.12

Argentina

Object: Altitude: 30.74 Azimuth: 57.45

Sun: Altitude: 44.42 Azimuth: 110.65

Moon: Altitude: 27.76 Azimuth: 79.85

Mexico

Object: Altitude: 10.90 Azimuth: 25.39

Sun: Altitude: 50.02 Azimuth: 2.33

Moon: Altitude: 29.85 Azimuth: 31.32

Ural

Object: Altitude: -68.09 Azimuth: 235.14

Sun: Altitude: -41.41 Azimuth: 168.70

Moon: Altitude: -52.49 Azimuth: 209.78

Vostryakovo

Object: Altitude: -76.01 Azimuth: 187.42

Sun: Altitude: -37.74 Azimuth: 140.94

Moon: Altitude: -56.77 Azimuth: 175.50

Gal. latitude: -35.046945 Gal. longitude: 359.785641

Dist. to Sun: 43.488086

Dist. to Moon: 19.734853

Moon coord.: (311.195063 d, -22.211169 d)

Sun coord.: (338.820995 d, -8.904981 d)

Lunar disk: 0.065879

Lunar phase: 150.254887

Lunar bright limb: 67.741636

No SN in this field

2025-02-25 19:43:16 (JD 2460732.321713)

Siderial time 8.623679 h

Ra 20:24:34.80 Dec -41:29:02.40
(306.145000d, -41.484000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: -28.96 Azimuth: 301.25

Sun: Altitude: -25.51 Azimuth: 252.14

Moon: Altitude: -18.15 Azimuth: 283.15

Tunka

Object: Altitude: -43.57 Azimuth: 285.63

Sun: Altitude: -38.02 Azimuth: 227.46

Moon: Altitude: -33.49 Azimuth: 263.78

Kislovodsk

Object: Altitude: -83.62 Azimuth: 252.04

Sun: Altitude: -49.13 Azimuth: 141.13

Moon: Altitude: -68.31 Azimuth: 187.60

Tavrida

Object: Altitude: -86.74 Azimuth: 174.84

Sun: Altitude: -44.19 Azimuth: 131.25

Moon: Altitude: -67.02 Azimuth: 166.91

SAAO

Object: Altitude: -15.08 Azimuth: 10.51

Sun: Altitude: -29.59 Azimuth: 55.19

Moon: Altitude: -32.57 Azimuth: 20.61

IAC

Object: Altitude: -46.88 Azimuth: 58.29

Sun: Altitude: -9.81 Azimuth: 85.11

Moon: Altitude: -39.41 Azimuth: 83.52

Argentina

Object: Altitude: 30.02 Azimuth: 57.19

Sun: Altitude: 43.61 Azimuth: 109.83

Moon: Altitude: 26.94 Azimuth: 79.42

Mexico

Object: Altitude: 10.53 Azimuth: 26.06

Sun: Altitude: 49.97 Azimuth: 3.89

Moon: Altitude: 29.42 Azimuth: 32.23

Ural

Object: Altitude: -67.64 Azimuth: 236.75

Sun: Altitude: -41.51 Azimuth: 170.02

Moon: Altitude: -52.21 Azimuth: 211.19

Vostryakovo

Object: Altitude: -75.92 Azimuth: 190.53

Sun: Altitude: -38.09 Azimuth: 142.13

Moon: Altitude: -56.79 Azimuth: 177.14

Gal. latitude: -35.046945 Gal. longitude: 359.785641

Dist. to Sun: 43.490479

Dist. to Moon: 19.754374

Moon coord.: (311.235083 d, -22.198667 d)

Sun coord.: (338.823654 d, -8.903931 d)

Lunar disk: 0.065722

Lunar phase: 150.291213

Lunar bright limb: 67.722962

No SN in this field

2025-02-25 20:43:16 (JD 2460732.363380)

Siderial time 9.626417 h

Ra 20:24:34.80 Dec -41:29:02.40
(306.145000d, -41.484000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: -21.17 Azimuth: 310.23

Sun: Altitude: -16.14 Azimuth: 264.44

Moon: Altitude: -9.26 Azimuth: 293.46

Tunka

Object: Altitude: -34.85 Azimuth: 294.86

Sun: Altitude: -30.40 Azimuth: 242.87

Moon: Altitude: -24.43 Azimuth: 275.07

Kislovodsk

Object: Altitude: -72.87 Azimuth: 270.44

Sun: Altitude: -54.16 Azimuth: 163.72

Moon: Altitude: -63.90 Azimuth: 219.25

Tavrida

Object: Altitude: -78.84 Azimuth: 258.23

Sun: Altitude: -50.90 Azimuth: 150.93

Moon: Altitude: -66.12 Azimuth: 200.91

SAAO

Object: Altitude: -16.12 Azimuth: 358.87

Sun: Altitude: -39.08 Azimuth: 41.35

Moon: Altitude: -35.46 Azimuth: 4.83

IAC

Object: Altitude: -58.05 Azimuth: 56.06

Sun: Altitude: -23.00 Azimuth: 92.17

Moon: Altitude: -52.05 Azimuth: 89.90

Argentina

Object: Altitude: 19.55 Azimuth: 52.63

Sun: Altitude: 31.27 Azimuth: 99.43

Moon: Altitude: 14.93 Azimuth: 73.08

Mexico

Object: Altitude: 3.94 Azimuth: 35.26

Sun: Altitude: 46.67 Azimuth: 25.70

Moon: Altitude: 21.87 Azimuth: 44.51

Ural

Object: Altitude: -60.14 Azimuth: 256.07

Sun: Altitude: -41.50 Azimuth: 189.86

Moon: Altitude: -46.91 Azimuth: 230.22

Vostryakovo

Object: Altitude: -71.60 Azimuth: 228.66

Sun: Altitude: -42.15 Azimuth: 160.82

Moon: Altitude: -55.30 Azimuth: 201.08

Gal. latitude: -35.046945 Gal. longitude: 359.785641

Dist. to Sun: 43.525935

Dist. to Moon: 20.050220

Moon coord.: (311.827550 d, -22.012182 d)

Sun coord.: (338.863047 d, -8.888382 d)

Lunar disk: 0.063412

Lunar phase: 150.829764

Lunar bright limb: 67.446274

No SN in this field

2025-03-15 13:20:38 (JD 2460750.055995)

Siderial time 3.411773 h

Ra 20:24:34.80 Dec -41:29:02.40
(306.145000d, -41.484000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: -76.42 Azimuth: 235.13

Sun: Altitude: -33.71 Azimuth: 137.47

Moon: Altitude: 22.16 Azimuth: 308.53

Tunka

Object: Altitude: -77.80 Azimuth: 144.09

Sun: Altitude: -20.45 Azimuth: 114.36

Moon: Altitude: 7.99 Azimuth: 287.82

Kislovodsk

Object: Altitude: -39.98 Azimuth: 66.80

Sun: Altitude: 19.12 Azimuth: 67.41

Moon: Altitude: -32.14 Azimuth: 241.74

Tavrida

Object: Altitude: -34.87 Azimuth: 63.50

Sun: Altitude: 24.15 Azimuth: 60.05

Moon: Altitude: -36.74 Azimuth: 232.97

SAAO

Object: Altitude: 21.98 Azimuth: 53.85

Sun: Altitude: 42.39 Azimuth: 121.44

Moon: Altitude: -45.25 Azimuth: 320.46

IAC

Object: Altitude: 5.85 Azimuth: 35.76

Sun: Altitude: 59.61 Azimuth: 3.49

Moon: Altitude: -64.14 Azimuth: 155.13

Argentina

Object: Altitude: 80.20 Azimuth: 351.55

Sun: Altitude: 33.55 Azimuth: 248.84

Moon: Altitude: -19.75 Azimuth: 71.32

Mexico

Object: Altitude: 7.35 Azimuth: 329.01

Sun: Altitude: -2.86 Azimuth: 270.67

Moon: Altitude: 9.98 Azimuth: 78.55

Ural

Object: Altitude: -53.21 Azimuth: 91.67

Sun: Altitude: 4.87 Azimuth: 78.64

Moon: Altitude: -16.92 Azimuth: 251.41

Vostryakovo

Object: Altitude: -41.06 Azimuth: 73.48

Sun: Altitude: 16.70 Azimuth: 59.99

Moon: Altitude: -28.27 Azimuth: 231.47

Gal. latitude: -35.046945 Gal. longitude: 359.785641

Dist. to Sun: 59.106471

Dist. to Moon: 107.728776

Moon coord.: (187.653518 d, -4.481349 d)

Sun coord.: (355.280809 d, -2.043200 d)

Lunar disk: 0.985256

Lunar phase: 13.948563

Lunar bright limb: 117.572445

No SN in this field

Recent coverage and limits telegrams

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

  ID = 12147
TYPE = 35
DAYS = 1


MASTER-OAFA robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Argentina (OAFA observatory of San Juan National University) was pointed to the SWIFT GRB 250225B ( M. A. Williams et al., GCN 39473) errorbox  41481 sec after notice time and 41703 sec after trigger time at 2025-02-26 07:14:16 UT, with upper limit up to  20.1 mag. The observations began at zenith distance = 83 deg. The sun  altitude  is -37.0 deg. 

The galactic latitude b = -35 deg., longitude l = 360 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2791917

We obtain a following upper limits.  

Tmid-T0  |          Site       |Filt.| Expt. | Limit| Comment
_________|_____________________|_____|_______|______|________

   41793 |         MASTER-OAFA |   C |   180 | 16.6 |        
   41973 |         MASTER-OAFA |   C |   540 | 19.7 |  Coadd 
   44355 |         MASTER-OAFA |   C |   180 | 19.1 |        
   45602 |         MASTER-OAFA |   C |   180 | 19.6 |        
   46852 |         MASTER-OAFA |   C |   180 | 19.9 |        
   47032 |         MASTER-OAFA |   C |   540 | 20.1 |  Coadd 
   48122 |         MASTER-OAFA |   C |   180 | 20.0 |        
   49339 |         MASTER-OAFA |   C |   180 | 19.6 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 12141
TYPE = 35
DAYS = 0.5


MASTER-OAFA robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Argentina (OAFA observatory of San Juan National University) was pointed to the SWIFT GRB 250225B ( M. A. Williams et al., GCN 39473) errorbox  41481 sec after notice time and 41703 sec after trigger time at 2025-02-26 07:14:16 UT, with upper limit up to  19.7 mag. The observations began at zenith distance = 83 deg. The sun  altitude  is -37.0 deg. 

The galactic latitude b = -35 deg., longitude l = 360 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2791917

We obtain a following upper limits.  

Tmid-T0  |          Site       |Filt.| Expt. | Limit| Comment
_________|_____________________|_____|_______|______|________

   41793 |         MASTER-OAFA |   C |   180 | 16.6 |        
   41973 |         MASTER-OAFA |   C |   540 | 19.7 |  Coadd 
Filter C is a clear (unfiltred) band. 


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



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

  ID = 12137
TYPE = 35
DAYS = 0


MASTER-OAFA robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Argentina (OAFA observatory of San Juan National University) was pointed to the SWIFT GRB 250225B ( M. A. Williams et al., GCN 39473) errorbox  41481 sec after notice time and 41703 sec after trigger time at 2025-02-26 07:14:16 UT, with upper limit up to  16.6 mag. The observations began at zenith distance = 83 deg. The sun  altitude  is -37.0 deg. 

The galactic latitude b = -35 deg., longitude l = 360 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2791924

We obtain a following upper limits.  

Tmid-T0  |          Site       |Filt.| Expt. | Limit| Comment
_________|_____________________|_____|_______|______|________

   41793 |         MASTER-OAFA |   C |   180 | 16.6 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 12136
TYPE = 35
DAYS = 0


MASTER-OAFA robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Argentina (OAFA observatory of San Juan National University) was pointed to the SWIFT GRB 250225B ( M. A. Williams et al., GCN 39473) errorbox  41481 sec after notice time and 41703 sec after trigger time at 2025-02-26 07:14:16 UT, with upper limit up to  16.6 mag. The observations began at zenith distance = 83 deg. The sun  altitude  is -37.0 deg. 

The galactic latitude b = -35 deg., longitude l = 360 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2791924

We obtain a following upper limits.  

Tmid-T0  |          Site       |Filt.| Expt. | Limit| Comment
_________|_____________________|_____|_______|______|________

   41793 |         MASTER-OAFA |   C |   180 | 16.6 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 12135
TYPE = 34
DAYS = 0


MASTER-OAFA robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Argentina (OAFA observatory of San Juan National University) was pointed to the SWIFT GRB 250225B ( M. A. Williams et al., GCN 39473) errorbox  41481 sec after notice time and 41703 sec after trigger time at 2025-02-26 07:14:16 UT, with upper limit up to  16.6 mag. The observations began at zenith distance = 83 deg. The sun  altitude  is -37.0 deg. 

The galactic latitude b = -35 deg., longitude l = 360 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2791924

We obtain a following upper limits.  

Tmid-T0  |          Site       |Filt.| Expt. | Limit| Comment
_________|_____________________|_____|_______|______|________

   41793 |         MASTER-OAFA |   C |   180 | 16.6 |        
Filter C is a clear (unfiltred) band. 


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



 

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