MASTER Net MASTER Database: GRB250304.06 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 EP GRB250304.06
Trignum 1741051950
Trigger time 2025-03-04 01:32:30
Notice time 2025-03-04 02:37:00.169529
Coord, eb (13h 53m 34.56s , -42d 49m 04.8s) , 0.01
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
2800308 2025-03-04 14:36:17.131957 13h 53m 34.87s -42d 48m 18.0s EP 0.01 alert 1741051950 0 1115 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

2025-03-04 01:32:30 (JD 2460738.564236)

Siderial time 14.854429 h

Ra 13:53:34.56 Dec -42:49:04.80
(208.394000d, -42.818000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: -39.69 Azimuth: 67.48

Sun: Altitude: 26.77 Azimuth: 323.87

Moon: Altitude: 18.30 Azimuth: 264.04

Tunka

Object: Altitude: -27.03 Azimuth: 54.16

Sun: Altitude: 14.50 Azimuth: 301.25

Moon: Altitude: 3.91 Azimuth: 246.00

Kislovodsk

Object: Altitude: 1.72 Azimuth: 14.06

Sun: Altitude: -23.83 Azimuth: 255.49

Moon: Altitude: -27.45 Azimuth: 193.50

Tavrida

Object: Altitude: 1.92 Azimuth: 7.92

Sun: Altitude: -29.32 Azimuth: 248.13

Moon: Altitude: -27.43 Azimuth: 184.35

SAAO

Object: Altitude: 79.39 Azimuth: 350.45

Sun: Altitude: -34.69 Azimuth: 307.07

Moon: Altitude: -73.19 Azimuth: 31.58

IAC

Object: Altitude: 10.06 Azimuth: 331.58

Sun: Altitude: -67.91 Azimuth: 190.64

Moon: Altitude: -25.67 Azimuth: 129.99

Argentina

Object: Altitude: 19.31 Azimuth: 309.06

Sun: Altitude: -29.74 Azimuth: 59.43

Moon: Altitude: -1.71 Azimuth: 109.88

Mexico

Object: Altitude: -51.61 Azimuth: 301.17

Sun: Altitude: -3.48 Azimuth: 84.46

Moon: Altitude: 51.75 Azimuth: 79.08

Ural

Object: Altitude: -14.41 Azimuth: 26.67

Sun: Altitude: -10.88 Azimuth: 265.21

Moon: Altitude: -11.25 Azimuth: 208.65

Vostryakovo

Object: Altitude: -8.98 Azimuth: 10.80

Sun: Altitude: -22.96 Azimuth: 246.67

Moon: Altitude: -16.58 Azimuth: 187.80

Gal. latitude: 18.225746 Gal. longitude: 315.399604

Dist. to Sun: 116.704179

Dist. to Moon: 154.266746

Moon coord.: (35.157824 d, 17.734079 d)

Sun coord.: (344.681515 d, -6.536181 d)

Lunar disk: 0.217047

Lunar phase: 124.465167

Lunar bright limb: 248.554565

No SN in this field

2025-03-04 02:37:00 (JD 2460738.609028)

Siderial time 15.932373 h

Ra 13:53:34.56 Dec -42:49:04.80
(208.394000d, -42.818000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: -49.51 Azimuth: 76.84

Sun: Altitude: 31.52 Azimuth: 341.41

Moon: Altitude: 28.40 Azimuth: 275.84

Tunka

Object: Altitude: -35.59 Azimuth: 63.76

Sun: Altitude: 22.29 Azimuth: 316.02

Moon: Altitude: 13.23 Azimuth: 257.63

Kislovodsk

Object: Altitude: -2.21 Azimuth: 25.23

Sun: Altitude: -12.32 Azimuth: 267.24

Moon: Altitude: -23.11 Azimuth: 209.15

Tavrida

Object: Altitude: -0.80 Azimuth: 19.45

Sun: Altitude: -18.28 Azimuth: 260.86

Moon: Altitude: -24.79 Azimuth: 200.57

SAAO

Object: Altitude: 74.93 Azimuth: 42.24

Sun: Altitude: -22.99 Azimuth: 294.52

Moon: Altitude: -74.50 Azimuth: 336.67

IAC

Object: Altitude: 15.66 Azimuth: 342.29

Sun: Altitude: -61.06 Azimuth: 224.98

Moon: Altitude: -34.89 Azimuth: 143.42

Argentina

Object: Altitude: 30.35 Azimuth: 304.31

Sun: Altitude: -40.61 Azimuth: 44.96

Moon: Altitude: -14.52 Azimuth: 102.40

Mexico

Object: Altitude: -39.78 Azimuth: 302.08

Sun: Altitude: -17.27 Azimuth: 92.77

Moon: Altitude: 38.64 Azimuth: 88.86

Ural

Object: Altitude: -19.11 Azimuth: 38.02

Sun: Altitude: -2.12 Azimuth: 278.73

Moon: Altitude: -6.09 Azimuth: 222.67

Vostryakovo

Object: Altitude: -11.61 Azimuth: 22.54

Sun: Altitude: -14.16 Azimuth: 260.82

Moon: Altitude: -13.99 Azimuth: 202.90

Gal. latitude: 18.225746 Gal. longitude: 315.399604

Dist. to Sun: 116.741892

Dist. to Moon: 154.389019

Moon coord.: (35.788468 d, 17.987187 d)

Sun coord.: (344.723248 d, -6.518947 d)

Lunar disk: 0.221433

Lunar phase: 123.857861

Lunar bright limb: 248.732234

No SN in this field

2025-03-04 03:37:00 (JD 2460738.650694)

Siderial time 16.935111 h

Ra 13:53:34.56 Dec -42:49:04.80
(208.394000d, -42.818000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: -59.00 Azimuth: 86.51

Sun: Altitude: 33.17 Azimuth: 358.97

Moon: Altitude: 37.59 Azimuth: 288.05

Tunka

Object: Altitude: -44.21 Azimuth: 72.72

Sun: Altitude: 27.80 Azimuth: 331.33

Moon: Altitude: 22.26 Azimuth: 268.51

Kislovodsk

Object: Altitude: -7.65 Azimuth: 34.85

Sun: Altitude: -1.50 Azimuth: 277.57

Moon: Altitude: -16.81 Azimuth: 222.15

Tavrida

Object: Altitude: -5.24 Azimuth: 29.55

Sun: Altitude: -7.65 Azimuth: 271.59

Moon: Altitude: -19.82 Azimuth: 214.42

SAAO

Object: Altitude: 65.05 Azimuth: 56.98

Sun: Altitude: -11.08 Azimuth: 285.12

Moon: Altitude: -66.51 Azimuth: 302.02

IAC

Object: Altitude: 18.45 Azimuth: 353.44

Sun: Altitude: -50.27 Azimuth: 243.47

Moon: Altitude: -40.82 Azimuth: 159.14

Argentina

Object: Altitude: 41.10 Azimuth: 301.35

Sun: Altitude: -48.15 Azimuth: 26.89

Moon: Altitude: -26.76 Azimuth: 95.70

Mexico

Object: Altitude: -29.03 Azimuth: 304.97

Sun: Altitude: -30.01 Azimuth: 101.25

Moon: Altitude: 26.38 Azimuth: 96.25

Ural

Object: Altitude: -24.70 Azimuth: 48.27

Sun: Altitude: 5.76 Azimuth: 291.39

Moon: Altitude: 0.03 Azimuth: 234.99

Vostryakovo

Object: Altitude: -15.60 Azimuth: 33.11

Sun: Altitude: -5.66 Azimuth: 273.26

Moon: Altitude: -9.72 Azimuth: 216.24

Gal. latitude: 18.225746 Gal. longitude: 315.399604

Dist. to Sun: 116.776969

Dist. to Moon: 154.489256

Moon coord.: (36.376291 d, 18.220629 d)

Sun coord.: (344.762066 d, -6.502913 d)

Lunar disk: 0.225537

Lunar phase: 123.293385

Lunar bright limb: 248.900598

No SN in this field

2025-03-15 19:03:58 (JD 2460750.294421)

Siderial time 9.149662 h

Ra 13:53:34.56 Dec -42:49:04.80
(208.394000d, -42.818000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: -4.56 Azimuth: 13.66

Sun: Altitude: -24.99 Azimuth: 239.80

Moon: Altitude: 25.44 Azimuth: 41.45

Tunka

Object: Altitude: -4.76 Azimuth: 355.81

Sun: Altitude: -35.19 Azimuth: 213.98

Moon: Altitude: 31.37 Azimuth: 14.63

Kislovodsk

Object: Altitude: -14.86 Azimuth: 316.00

Sun: Altitude: -38.80 Azimuth: 135.17

Moon: Altitude: 24.23 Azimuth: 305.80

Tavrida

Object: Altitude: -19.95 Azimuth: 311.16

Sun: Altitude: -33.56 Azimuth: 126.85

Moon: Altitude: 18.56 Azimuth: 298.91

SAAO

Object: Altitude: 22.71 Azimuth: 307.38

Sun: Altitude: -27.72 Azimuth: 67.75

Moon: Altitude: 20.21 Azimuth: 263.96

IAC

Object: Altitude: -44.04 Azimuth: 303.58

Sun: Altitude: 1.17 Azimuth: 87.15

Moon: Altitude: -17.77 Azimuth: 267.06

Argentina

Object: Altitude: -15.36 Azimuth: 358.55

Sun: Altitude: 45.67 Azimuth: 125.28

Moon: Altitude: -47.76 Azimuth: 329.39

Mexico

Object: Altitude: -56.92 Azimuth: 58.05

Sun: Altitude: 56.47 Azimuth: 348.63

Moon: Altitude: -58.04 Azimuth: 137.82

Ural

Object: Altitude: -18.04 Azimuth: 324.25

Sun: Altitude: -33.39 Azimuth: 160.33

Moon: Altitude: 22.25 Azimuth: 326.38

Vostryakovo

Object: Altitude: -25.05 Azimuth: 310.06

Sun: Altitude: -28.36 Azimuth: 135.56

Moon: Altitude: 14.98 Azimuth: 304.95

Gal. latitude: 18.225746 Gal. longitude: 315.399604

Dist. to Sun: 126.330116

Dist. to Moon: 40.339945

Moon coord.: (190.175364 d, -5.833442 d)

Sun coord.: (355.498887 d, -1.949025 d)

Lunar disk: 0.979268

Lunar phase: 16.557317

Lunar bright limb: 117.550389

No SN in this field
Recent coverage and limits telegrams

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

  ID = 12174
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 EP250304a ( EP Team et al., GCN 39580) errorbox  148 sec after notice time and 4179 sec after trigger time at 2025-03-04 02:39:28 UT, with upper limit up to  20.2 mag. The observations began at zenith distance = 59 deg. The sun  altitude  is -41.7 deg. 

MASTER-SAAO robotic telescope  located in South Africa (South African Astronomical Observatory) was pointed to the EP250304a errorbox  3819 sec after notice time and 7850 sec after trigger time at 2025-03-04 03:40:39 UT, with upper limit up to  17.8 mag. Observations started at twilight.  The observations began at zenith distance = 25 deg. The sun  altitude  is -11.1 deg. 

The galactic latitude b = 18 deg., longitude l = 315 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2800308

We obtain a following upper limits.  

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

    4210 | 2025-03-04 02:39:28 |         MASTER-OAFA | (13h 52m 43.16s , -42d 51m 39.4s) |   C |    60 | 19.4 |        
    4393 | 2025-03-04 02:42:31 |         MASTER-OAFA | (13h 52m 41.84s , -42d 52m 22.6s) |   C |    60 | 19.4 |        
    7307 | 2025-03-04 03:31:05 |         MASTER-OAFA | (13h 52m 32.48s , -42d 50m 06.8s) |   C |    60 | 19.5 |        
    7367 | 2025-03-04 03:31:05 |         MASTER-OAFA | (13h 52m 32.48s , -42d 50m 06.8s) |   C |   180 | 19.7 |  Coadd 
    7880 | 2025-03-04 03:40:39 |         MASTER-SAAO | (13h 52m 41.12s , -42d 50m 39.9s) |   C |    60 | 17.8 |        
    8499 | 2025-03-04 03:50:57 |         MASTER-OAFA | (13h 52m 35.26s , -42d 48m 39.7s) |   C |    60 | 19.5 |        
    8681 | 2025-03-04 03:54:00 |         MASTER-OAFA | (13h 52m 38.19s , -42d 48m 39.6s) |   C |    60 | 19.5 |        
   11991 | 2025-03-04 04:49:10 |         MASTER-OAFA | (13h 52m 32.13s , -42d 46m 51.8s) |   C |    60 | 19.6 |        
   20588 | 2025-03-04 07:11:57 |         MASTER-OAFA | (13h 52m 43.50s , -42d 42m 02.0s) |   C |   120 | 19.7 |        
   20708 | 2025-03-04 07:11:57 |         MASTER-OAFA | (13h 52m 43.50s , -42d 42m 02.0s) |   C |   360 | 20.2 |  Coadd 
   20728 | 2025-03-04 07:14:16 |         MASTER-OAFA | (13h 52m 49.62s , -42d 42m 59.9s) |   C |   120 | 19.8 |        
   20863 | 2025-03-04 07:16:31 |         MASTER-OAFA | (13h 52m 46.02s , -42d 43m 57.2s) |   C |   120 | 19.8 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 12172
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 EP250304a ( EP Team et al., GCN 39580) errorbox  148 sec after notice time and 4018 sec after trigger time at 2025-03-04 02:39:28 UT, with upper limit up to  19.4 mag. The observations began at zenith distance = 59 deg. The sun  altitude  is -41.7 deg. 

The galactic latitude b = 18 deg., longitude l = 315 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2799155

We obtain a following upper limits.  

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

    4049 | 2025-03-04 02:39:28 |         MASTER-OAFA | (13h 52m 43.16s , -42d 51m 39.4s) |   C |    60 | 19.4 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 12171
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 EP250304a ( EP Team et al., GCN 39580) errorbox  148 sec after notice time and 4018 sec after trigger time at 2025-03-04 02:39:28 UT, with upper limit up to  19.4 mag. The observations began at zenith distance = 59 deg. The sun  altitude  is -41.7 deg. 

The galactic latitude b = 18 deg., longitude l = 315 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2799155

We obtain a following upper limits.  

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

    4049 | 2025-03-04 02:39:28 |         MASTER-OAFA | (13h 52m 43.16s , -42d 51m 39.4s) |   C |    60 | 19.4 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 12170
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 EP250304a ( EP Team et al., GCN 39580) errorbox  148 sec after notice time and 4018 sec after trigger time at 2025-03-04 02:39:28 UT, with upper limit up to  19.4 mag. The observations began at zenith distance = 59 deg. The sun  altitude  is -41.7 deg. 

The galactic latitude b = 18 deg., longitude l = 315 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2799155

We obtain a following upper limits.  

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

    4049 | 2025-03-04 02:39:28 |         MASTER-OAFA | (13h 52m 43.16s , -42d 51m 39.4s) |   C |    60 | 19.4 |        
Filter C is a clear (unfiltred) band. 


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

MASTER, 2002-2025