MASTER Net MASTER Database: GRB250214.27 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 GRB250214.27
Trignum 761206993
Trigger time 2025-02-14 06:23:08.86
Notice time 2025-02-14 06:23:46.741263
Coord, eb (23h 44m 12.00s , -04d 43m 59.9s) , 6.4667
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You are viewing outdated information, relevant error box is here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
2777882 2025-02-14 06:23:50.437478 23h 50m 45.60s -06d 14m 24.0s FERMI 4.1 alert 761206993 25 112 alert
2777881 2025-02-14 06:23:46.741263 23h 44m 12.00s -04d 43m 59.9s FERMI 6.4667 alert 761206993 69 111 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

2025-02-14 06:23:08 (JD 2460720.766065)

Siderial time 18.528804 h

Ra 23:44:12.00 Dec -4:44:00.00
(356.050000d, -4.733306d)

Rise 2025-02-14 08:59:32

Transit 2025-02-14 14:34:45

Set 2025-02-14 20:09:57

Amur

Object: Altitude: 34.02 Azimuth: 14.17

Sun: Altitude: 17.60 Azimuth: 41.14

Moon: Altitude: -29.72 Azimuth: 204.62

Tunka

Object: Altitude: 32.43 Azimuth: 344.99

Sun: Altitude: 23.75 Azimuth: 16.69

Moon: Altitude: -31.10 Azimuth: 176.48

Kislovodsk

Object: Altitude: 8.68 Azimuth: 285.17

Sun: Altitude: 20.04 Azimuth: 312.96

Moon: Altitude: -13.55 Azimuth: 113.90

Tavrida

Object: Altitude: 2.52 Azimuth: 279.19

Sun: Altitude: 14.71 Azimuth: 306.04

Moon: Altitude: -7.51 Azimuth: 107.73

SAAO

Object: Altitude: -1.61 Azimuth: 276.64

Sun: Altitude: 26.58 Azimuth: 268.93

Moon: Altitude: -7.73 Azimuth: 93.46

IAC

Object: Altitude: -38.98 Azimuth: 251.63

Sun: Altitude: -18.26 Azimuth: 275.29

Moon: Altitude: 31.94 Azimuth: 80.11

Argentina

Object: Altitude: -53.15 Azimuth: 8.43

Sun: Altitude: -39.93 Azimuth: 329.89

Moon: Altitude: 50.92 Azimuth: 172.79

Mexico

Object: Altitude: -39.37 Azimuth: 111.68

Sun: Altitude: -65.65 Azimuth: 133.76

Moon: Altitude: 48.31 Azimuth: 297.46

Ural

Object: Altitude: 13.44 Azimuth: 301.63

Sun: Altitude: 16.22 Azimuth: 331.68

Moon: Altitude: -15.58 Azimuth: 131.57

Vostryakovo

Object: Altitude: 2.90 Azimuth: 282.63

Sun: Altitude: 9.96 Azimuth: 311.12

Moon: Altitude: -6.18 Azimuth: 111.95

Gal. latitude: -62.577003 Gal. longitude: 85.864347

Dist. to Sun: 29.155737

Dist. to Moon: 170.144023

Moon coord.: (166.415575 d, 7.037464 d)

Sun coord.: (327.728758 d, -13.038112 d)

Lunar disk: 0.971920

Lunar phase: 19.293384

Lunar bright limb: 109.553493

No SN in this field

2025-02-14 06:23:46 (JD 2460720.766505)

Siderial time 18.539388 h

Ra 23:44:12.00 Dec -4:44:00.00
(356.050000d, -4.733306d)

Rise 2025-02-14 08:59:32

Transit 2025-02-14 14:34:45

Set 2025-02-14 20:09:57

Amur

Object: Altitude: 34.00 Azimuth: 14.36

Sun: Altitude: 17.54 Azimuth: 41.29

Moon: Altitude: -29.68 Azimuth: 204.79

Tunka

Object: Altitude: 32.46 Azimuth: 345.18

Sun: Altitude: 23.72 Azimuth: 16.85

Moon: Altitude: -31.10 Azimuth: 176.66

Kislovodsk

Object: Altitude: 8.79 Azimuth: 285.28

Sun: Altitude: 20.12 Azimuth: 313.10

Moon: Altitude: -13.65 Azimuth: 114.02

Tavrida

Object: Altitude: 2.63 Azimuth: 279.31

Sun: Altitude: 14.80 Azimuth: 306.17

Moon: Altitude: -7.61 Azimuth: 107.84

SAAO

Object: Altitude: -1.48 Azimuth: 276.55

Sun: Altitude: 26.72 Azimuth: 268.85

Moon: Altitude: -7.85 Azimuth: 93.38

IAC

Object: Altitude: -38.85 Azimuth: 251.74

Sun: Altitude: -18.12 Azimuth: 275.36

Moon: Altitude: 31.81 Azimuth: 80.20

Argentina

Object: Altitude: -53.17 Azimuth: 8.17

Sun: Altitude: -39.86 Azimuth: 329.71

Moon: Altitude: 50.90 Azimuth: 172.55

Mexico

Object: Altitude: -39.50 Azimuth: 111.81

Sun: Altitude: -65.75 Azimuth: 134.05

Moon: Altitude: 48.43 Azimuth: 297.61

Ural

Object: Altitude: 13.52 Azimuth: 301.78

Sun: Altitude: 16.26 Azimuth: 331.84

Moon: Altitude: -15.64 Azimuth: 131.72

Vostryakovo

Object: Altitude: 2.98 Azimuth: 282.76

Sun: Altitude: 10.03 Azimuth: 311.26

Moon: Altitude: -6.27 Azimuth: 112.08

Gal. latitude: -62.577003 Gal. longitude: 85.864347

Dist. to Sun: 29.155295

Dist. to Moon: 170.149260

Moon coord.: (166.420402 d, 7.034934 d)

Sun coord.: (327.729188 d, -13.037962 d)

Lunar disk: 0.971905

Lunar phase: 19.298290

Lunar bright limb: 109.556225

No SN in this field

2025-02-14 07:23:46 (JD 2460720.808171)

Siderial time 19.542126 h

Ra 23:44:12.00 Dec -4:44:00.00
(356.050000d, -4.733306d)

Rise 2025-02-14 08:59:32

Transit 2025-02-14 14:34:45

Set 2025-02-14 20:09:57

Amur

Object: Altitude: 30.25 Azimuth: 31.52

Sun: Altitude: 10.45 Azimuth: 54.47

Moon: Altitude: -24.90 Azimuth: 220.19

Tunka

Object: Altitude: 33.42 Azimuth: 3.02

Sun: Altitude: 19.89 Azimuth: 32.05

Moon: Altitude: -30.54 Azimuth: 193.52

Kislovodsk

Object: Altitude: 18.92 Azimuth: 296.67

Sun: Altitude: 27.09 Azimuth: 327.13

Moon: Altitude: -22.97 Azimuth: 125.71

Tavrida

Object: Altitude: 12.95 Azimuth: 290.30

Sun: Altitude: 22.65 Azimuth: 319.20

Moon: Altitude: -17.30 Azimuth: 118.88

SAAO

Object: Altitude: 11.20 Azimuth: 268.51

Sun: Altitude: 39.31 Azimuth: 259.96

Moon: Altitude: -20.03 Azimuth: 85.29

IAC

Object: Altitude: -25.98 Azimuth: 260.90

Sun: Altitude: -5.07 Azimuth: 282.07

Moon: Altitude: 18.93 Azimuth: 87.56

Argentina

Object: Altitude: -52.21 Azimuth: 343.37

Sun: Altitude: -32.00 Azimuth: 314.45

Moon: Altitude: 47.23 Azimuth: 151.08

Mexico

Object: Altitude: -50.80 Azimuth: 125.87

Sun: Altitude: -71.81 Azimuth: 171.73

Moon: Altitude: 58.34 Azimuth: 315.50

Ural

Object: Altitude: 19.88 Azimuth: 315.96

Sun: Altitude: 19.15 Azimuth: 346.88

Moon: Altitude: -21.09 Azimuth: 145.86

Vostryakovo

Object: Altitude: 11.04 Azimuth: 295.51

Sun: Altitude: 15.72 Azimuth: 325.07

Moon: Altitude: -13.75 Azimuth: 124.68

Gal. latitude: -62.577003 Gal. longitude: 85.864347

Dist. to Sun: 29.113420

Dist. to Moon: 170.644334

Moon coord.: (166.877355 d, 6.795060 d)

Sun coord.: (327.769864 d, -13.023799 d)

Lunar disk: 0.970550

Lunar phase: 19.763042

Lunar bright limb: 109.809122

No SN in this field

2025-03-11 18:08:42 (JD 2460746.256042)

Siderial time 7.963190 h

Ra 23:44:12.00 Dec -4:44:00.00
(356.050000d, -4.733306d)

Rise 2025-03-12 07:17:19

Transit 2025-03-12 12:52:31

Set 2025-03-12 18:27:44

Amur

Object: Altitude: -36.55 Azimuth: 222.88

Sun: Altitude: -33.57 Azimuth: 226.85

Moon: Altitude: 29.76 Azimuth: 80.45

Tunka

Object: Altitude: -42.35 Azimuth: 191.97

Sun: Altitude: -40.51 Azimuth: 197.31

Moon: Altitude: 43.44 Azimuth: 56.10

Kislovodsk

Object: Altitude: -30.22 Azimuth: 115.17

Sun: Altitude: -32.03 Azimuth: 119.86

Moon: Altitude: 57.54 Azimuth: 319.18

Tavrida

Object: Altitude: -24.20 Azimuth: 108.53

Sun: Altitude: -26.13 Azimuth: 112.91

Moon: Altitude: 52.45 Azimuth: 308.23

SAAO

Object: Altitude: -11.31 Azimuth: 76.91

Sun: Altitude: -15.48 Azimuth: 75.44

Moon: Altitude: 25.70 Azimuth: 226.66

IAC

Object: Altitude: 15.75 Azimuth: 75.57

Sun: Altitude: 12.71 Azimuth: 78.85

Moon: Altitude: 16.02 Azimuth: 259.16

Argentina

Object: Altitude: 58.85 Azimuth: 146.93

Sun: Altitude: 55.69 Azimuth: 141.24

Moon: Altitude: -45.34 Azimuth: 278.16

Mexico

Object: Altitude: 47.20 Azimuth: 322.36

Sun: Altitude: 50.34 Azimuth: 327.05

Moon: Altitude: -41.79 Azimuth: 187.17

Ural

Object: Altitude: -31.01 Azimuth: 138.58

Sun: Altitude: -31.34 Azimuth: 143.72

Moon: Altitude: 49.68 Azimuth: 353.35

Vostryakovo

Object: Altitude: -22.40 Azimuth: 116.11

Sun: Altitude: -23.50 Azimuth: 120.74

Moon: Altitude: 46.59 Azimuth: 322.03

Gal. latitude: -62.577003 Gal. longitude: 85.864347

Dist. to Sun: 4.406299

Dist. to Moon: 148.031470

Moon coord.: (145.861475 d, 16.858076 d)

Sun coord.: (351.796960 d, -3.540843 d)

Lunar disk: 0.938779

Lunar phase: 28.650763

Lunar bright limb: 294.744348

No SN in this field

Recent coverage and limits telegrams

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

  ID = 12075
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 GRB250214.27 (trigger No 761206993,23h 50m 45.60s , -06d 14m 24.0s, R=4.1) errorbox  43582 sec after notice time and 43595 sec after trigger time at 2025-02-14 18:29:44 UT, with upper limit up to  17.2 mag. Observations started at twilight.  The observations began at zenith distance = 78 deg. The sun  altitude  is -12.8 deg. 

MASTER-Kislovodsk robotic telescope  located in Russia (Lomonosov MSU, Kislovodsk Solar Station of Pulkovo observatory) started inspect of the FERMI GRB250214.27 errorbox  1 days 33905 sec after notice time and 1 days 33917 sec after trigger time at 2025-02-15 15:48:26 UT, with upper limit up to  16.1 mag. Observations started at twilight.  The observations began at zenith distance = 75 deg. The sun  altitude  is -12.8 deg. 

The galactic latitude b = -65 deg., longitude l = 87 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2777877

We obtain a following upper limits.  

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

   43625 | 2025-02-14 18:29:44 |         MASTER-SAAO | (00h 03m 58.24s , -08d 29m 08.1s) |   C |    60 | 16.3 |        
   43838 | 2025-02-14 18:33:16 |         MASTER-SAAO | (00h 00m 16.36s , -10d 20m 51.8s) |   C |    60 | 16.7 |        
   44048 | 2025-02-14 18:36:46 |         MASTER-SAAO | (00h 04m 04.34s , -10d 21m 00.8s) |   C |    60 | 17.0 |        
   44127 | 2025-02-14 18:38:05 |         MASTER-SAAO | (00h 11m 16.32s , -06d 33m 56.5s) |   C |    60 | 17.0 |        
   44501 | 2025-02-14 18:44:20 |         MASTER-SAAO | (00h 11m 09.97s , -04d 40m 18.3s) |   C |    60 | 16.8 |        
   44583 | 2025-02-14 18:45:41 |         MASTER-SAAO | (00h 11m 15.93s , -08d 27m 11.1s) |   C |    60 | 17.2 |        
  120348 | 2025-02-15 15:48:26 |   MASTER-Kislovodsk | (23h 55m 27.52s , -02d 33m 42.4s) |   C |    60 | 15.8 |        
  120427 | 2025-02-15 15:49:46 |   MASTER-Kislovodsk | (00h 03m 28.33s , -02d 35m 09.2s) |   C |    60 | 16.1 |        
  120507 | 2025-02-15 15:51:05 |   MASTER-Kislovodsk | (23h 55m 26.40s , -06d 22m 46.7s) |   C |    60 | 14.3 |        
  120587 | 2025-02-15 15:52:25 |   MASTER-Kislovodsk | (00h 03m 29.15s , -06d 21m 30.5s) |   C |    60 | 15.3 |        
  120666 | 2025-02-15 15:53:45 |   MASTER-Kislovodsk | (23h 55m 25.00s , -04d 29m 55.9s) |   C |    60 | 13.5 |        
  120906 | 2025-02-15 15:57:44 |   MASTER-Kislovodsk | (00h 03m 38.19s , -08d 15m 55.4s) |   C |    60 | 14.1 |        
  120985 | 2025-02-15 15:59:04 |   MASTER-Kislovodsk | (23h 55m 22.75s , -02d 35m 12.6s) |   C |    60 | 15.5 |        
  121065 | 2025-02-15 16:00:23 |   MASTER-Kislovodsk | (00h 03m 24.90s , -02d 33m 56.7s) |   C |    60 | 15.2 |        
  121305 | 2025-02-15 16:04:23 |   MASTER-Kislovodsk | (00h 03m 33.06s , -06d 24m 04.9s) |   C |    60 | 14.5 |        
  122102 | 2025-02-15 16:17:41 |   MASTER-Kislovodsk | (00h 10m 50.24s , -06d 23m 24.0s) |   C |    60 | 15.7 |        
  122262 | 2025-02-15 16:20:20 |   MASTER-Kislovodsk | (23h 55m 25.99s , -00d 42m 56.9s) |   C |    60 | 13.6 |        
  122421 | 2025-02-15 16:22:59 |   MASTER-Kislovodsk | (00h 03m 25.24s , -02d 34m 56.2s) |   C |    60 | 13.8 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 12067
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 GRB250214.27 (trigger No 761206993,23h 50m 45.60s , -06d 14m 24.0s, R=4.1) errorbox  43582 sec after notice time and 43595 sec after trigger time at 2025-02-14 18:29:44 UT, with upper limit up to  17.2 mag. Observations started at twilight.  The observations began at zenith distance = 78 deg. The sun  altitude  is -12.8 deg. 

The galactic latitude b = -65 deg., longitude l = 87 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2777878

We obtain a following upper limits.  

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

   43625 | 2025-02-14 18:29:44 |         MASTER-SAAO | (00h 03m 58.24s , -08d 29m 08.1s) |   C |    60 | 16.3 |        
   43838 | 2025-02-14 18:33:16 |         MASTER-SAAO | (00h 00m 16.36s , -10d 20m 51.8s) |   C |    60 | 16.7 |        
   44048 | 2025-02-14 18:36:46 |         MASTER-SAAO | (00h 04m 04.34s , -10d 21m 00.8s) |   C |    60 | 17.0 |        
   44127 | 2025-02-14 18:38:05 |         MASTER-SAAO | (00h 11m 16.32s , -06d 33m 56.5s) |   C |    60 | 17.0 |        
   44501 | 2025-02-14 18:44:20 |         MASTER-SAAO | (00h 11m 09.97s , -04d 40m 18.3s) |   C |    60 | 16.8 |        
   44583 | 2025-02-14 18:45:41 |         MASTER-SAAO | (00h 11m 15.93s , -08d 27m 11.1s) |   C |    60 | 17.2 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 12062
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 GRB250214.27 (trigger No 761206993,23h 50m 45.60s , -06d 14m 24.0s, R=4.1) errorbox  43582 sec after notice time and 43595 sec after trigger time at 2025-02-14 18:29:44 UT, with upper limit up to  17.2 mag. Observations started at twilight.  The observations began at zenith distance = 78 deg. The sun  altitude  is -12.8 deg. 

The galactic latitude b = -65 deg., longitude l = 87 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2777879

We obtain a following upper limits.  

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

   43625 | 2025-02-14 18:29:44 |         MASTER-SAAO | (00h 03m 58.24s , -08d 29m 08.1s) |   C |    60 | 16.3 |        
   43838 | 2025-02-14 18:33:16 |         MASTER-SAAO | (00h 00m 16.36s , -10d 20m 51.8s) |   C |    60 | 16.7 |        
   44048 | 2025-02-14 18:36:46 |         MASTER-SAAO | (00h 04m 04.34s , -10d 21m 00.8s) |   C |    60 | 17.0 |        
   44127 | 2025-02-14 18:38:05 |         MASTER-SAAO | (00h 11m 16.32s , -06d 33m 56.5s) |   C |    60 | 17.0 |        
   44501 | 2025-02-14 18:44:20 |         MASTER-SAAO | (00h 11m 09.97s , -04d 40m 18.3s) |   C |    60 | 16.8 |        
   44583 | 2025-02-14 18:45:41 |         MASTER-SAAO | (00h 11m 15.93s , -08d 27m 11.1s) |   C |    60 | 17.2 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 12061
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 GRB250214.27 (trigger No 761206993,23h 50m 45.60s , -06d 14m 24.0s, R=4.1) errorbox  43582 sec after notice time and 43595 sec after trigger time at 2025-02-14 18:29:44 UT, with upper limit up to  17.2 mag. Observations started at twilight.  The observations began at zenith distance = 78 deg. The sun  altitude  is -12.8 deg. 

The galactic latitude b = -65 deg., longitude l = 87 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2777879

We obtain a following upper limits.  

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

   43625 | 2025-02-14 18:29:44 |         MASTER-SAAO | (00h 03m 58.24s , -08d 29m 08.1s) |   C |    60 | 16.3 |        
   43838 | 2025-02-14 18:33:16 |         MASTER-SAAO | (00h 00m 16.36s , -10d 20m 51.8s) |   C |    60 | 16.7 |        
   44048 | 2025-02-14 18:36:46 |         MASTER-SAAO | (00h 04m 04.34s , -10d 21m 00.8s) |   C |    60 | 17.0 |        
   44127 | 2025-02-14 18:38:05 |         MASTER-SAAO | (00h 11m 16.32s , -06d 33m 56.5s) |   C |    60 | 17.0 |        
   44501 | 2025-02-14 18:44:20 |         MASTER-SAAO | (00h 11m 09.97s , -04d 40m 18.3s) |   C |    60 | 16.8 |        
   44583 | 2025-02-14 18:45:41 |         MASTER-SAAO | (00h 11m 15.93s , -08d 27m 11.1s) |   C |    60 | 17.2 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 12060
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 GRB250214.27 (trigger No 761206993,23h 50m 45.60s , -06d 14m 24.0s, R=4.1) errorbox  43582 sec after notice time and 43595 sec after trigger time at 2025-02-14 18:29:44 UT, with upper limit up to  17.2 mag. Observations started at twilight.  The observations began at zenith distance = 78 deg. The sun  altitude  is -12.8 deg. 

The galactic latitude b = -65 deg., longitude l = 87 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2777879

We obtain a following upper limits.  

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

   43625 | 2025-02-14 18:29:44 |         MASTER-SAAO | (00h 03m 58.24s , -08d 29m 08.1s) |   C |    60 | 16.3 |        
   43838 | 2025-02-14 18:33:16 |         MASTER-SAAO | (00h 00m 16.36s , -10d 20m 51.8s) |   C |    60 | 16.7 |        
   44048 | 2025-02-14 18:36:46 |         MASTER-SAAO | (00h 04m 04.34s , -10d 21m 00.8s) |   C |    60 | 17.0 |        
   44127 | 2025-02-14 18:38:05 |         MASTER-SAAO | (00h 11m 16.32s , -06d 33m 56.5s) |   C |    60 | 17.0 |        
   44501 | 2025-02-14 18:44:20 |         MASTER-SAAO | (00h 11m 09.97s , -04d 40m 18.3s) |   C |    60 | 16.8 |        
   44583 | 2025-02-14 18:45:41 |         MASTER-SAAO | (00h 11m 15.93s , -08d 27m 11.1s) |   C |    60 | 17.2 |        
Filter C is a clear (unfiltred) band. 


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



 

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