GRB241228.17 page :: MASTER Database

MASTER Net MASTER Database: GRB241228.17 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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Name

SWIFT GRB241228.17

Trignum

1277277

Trigger time

2024-12-28 04:00:20

Notice time

2024-12-28 04:11:25.207711

Coord, eb

(22h 59m 12.48s , +18d 36m 36.0s) , 0.0005

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You are viewing outdated information, relevant error box is here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
2724465	2024-12-28 04:22:48.579076	22^h 59^m 12.42^s +18^d 36^m 36.2^s	ANTARES	0.000527778		1277277
2731343	2025-01-02 10:42:15.443644	22^h 59^m 07.27^s +18^d 37^m 30.7^s	SWIFT	0	pointdir	1277277	891	83	pointdir
2724423	2024-12-28 04:11:25.207711	22^h 59^m 12.48^s +18^d 36^m 36.0^s	SWIFT	0.0005	alert	1277277	2	67	alert
2724382	2024-12-28 03:57:56.982525	22^h 59^m 17.76^s +18^d 36^m 14.4^s	SWIFT	0.05	alert	1277277	1	61	alert

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

2024-12-28 04:00:20 (JD 2460672.666898)

Siderial time 12.988216 h

Ra 22:59:12.48 Dec 18:36:36.00
(344.802000d, 18.610000d)

Rise 2024-12-28 08:56:26

Transit 2024-12-28 16:58:36

Set 2024-12-29 01:00:45

Amur

Object: Altitude: 33.17 Azimuth: 281.00

Sun: Altitude: 16.09 Azimuth: 7.21

Moon: Altitude: 5.07 Azimuth: 38.85

Tunka

Object: Altitude: 17.86 Azimuth: 262.37

Sun: Altitude: 13.46 Azimuth: 344.09

Moon: Altitude: 11.06 Azimuth: 17.73

Kislovodsk

Object: Altitude: -19.92 Azimuth: 215.25

Sun: Altitude: -7.40 Azimuth: 295.31

Moon: Altitude: 11.29 Azimuth: 322.57

Tavrida

Object: Altitude: -22.23 Azimuth: 207.10

Sun: Altitude: -13.40 Azimuth: 289.63

Moon: Altitude: 6.57 Azimuth: 316.01

SAAO

Object: Altitude: -71.82 Azimuth: 316.03

Sun: Altitude: 5.08 Azimuth: 294.43

Moon: Altitude: 35.17 Azimuth: 279.91

IAC

Object: Altitude: -37.62 Azimuth: 150.75

Sun: Altitude: -50.68 Azimuth: 272.93

Moon: Altitude: -20.15 Azimuth: 288.62

Argentina

Object: Altitude: -20.51 Azimuth: 99.73

Sun: Altitude: -34.20 Azimuth: 10.30

Moon: Altitude: -27.39 Azimuth: 332.56

Mexico

Object: Altitude: 33.06 Azimuth: 93.01

Sun: Altitude: -44.93 Azimuth: 87.07

Moon: Altitude: -76.28 Azimuth: 111.31

Ural

Object: Altitude: -2.87 Azimuth: 228.35

Sun: Altitude: -4.86 Azimuth: 306.72

Moon: Altitude: 5.17 Azimuth: 338.13

Vostryakovo

Object: Altitude: -11.69 Azimuth: 209.14

Sun: Altitude: -14.71 Azimuth: 289.83

Moon: Altitude: 0.31 Azimuth: 319.47

Gal. latitude: -36.856771 Gal. longitude: 89.909804

Dist. to Sun: 78.182895

Dist. to Moon: 109.952977

Moon coord.: (240.966915 d, -25.294285 d)

Sun coord.: (277.145244 d, -23.284031 d)

Lunar disk: 0.080732

Lunar phase: 146.985785

Lunar bright limb: 94.472786

No SN in this field

2024-12-28 04:11:25 (JD 2460672.674595)

Siderial time 13.173444 h

Ra 22:59:12.48 Dec 18:36:36.00
(344.802000d, 18.610000d)

Rise 2024-12-28 08:56:26

Transit 2024-12-28 16:58:36

Set 2024-12-29 01:00:45

Amur

Object: Altitude: 34.90 Azimuth: 283.39

Sun: Altitude: 15.83 Azimuth: 9.84

Moon: Altitude: 3.95 Azimuth: 41.01

Tunka

Object: Altitude: 19.57 Azimuth: 264.49

Sun: Altitude: 13.89 Azimuth: 346.67

Moon: Altitude: 10.50 Azimuth: 20.13

Kislovodsk

Object: Altitude: -18.72 Azimuth: 217.73

Sun: Altitude: -5.60 Azimuth: 297.12

Moon: Altitude: 12.41 Azimuth: 324.76

Tavrida

Object: Altitude: -21.29 Azimuth: 209.75

Sun: Altitude: -11.56 Azimuth: 291.43

Moon: Altitude: 7.84 Azimuth: 318.08

SAAO

Object: Altitude: -70.10 Azimuth: 309.91

Sun: Altitude: 7.22 Azimuth: 293.04

Moon: Altitude: 37.41 Azimuth: 278.77

IAC

Object: Altitude: -38.76 Azimuth: 153.77

Sun: Altitude: -48.24 Azimuth: 274.07

Moon: Altitude: -17.94 Azimuth: 289.65

Argentina

Object: Altitude: -22.84 Azimuth: 98.41

Sun: Altitude: -34.56 Azimuth: 7.25

Moon: Altitude: -26.28 Azimuth: 330.15

Mexico

Object: Altitude: 30.69 Azimuth: 94.35

Sun: Altitude: -47.31 Azimuth: 88.41

Moon: Altitude: -78.39 Azimuth: 116.75

Ural

Object: Altitude: -1.72 Azimuth: 230.72

Sun: Altitude: -3.67 Azimuth: 308.98

Moon: Altitude: 5.66 Azimuth: 340.51

Vostryakovo

Object: Altitude: -10.89 Azimuth: 211.70

Sun: Altitude: -13.24 Azimuth: 291.97

Moon: Altitude: 1.26 Azimuth: 321.70

Gal. latitude: -36.856771 Gal. longitude: 89.909804

Dist. to Sun: 78.175703

Dist. to Moon: 109.866621

Moon coord.: (241.069616 d, -25.316495 d)

Sun coord.: (277.153777 d, -23.283642 d)

Lunar disk: 0.080321

Lunar phase: 147.072446

Lunar bright limb: 94.408074

No SN in this field

2024-12-28 05:11:25 (JD 2460672.716262)

Siderial time 14.176182 h

Ra 22:59:12.48 Dec 18:36:36.00
(344.802000d, 18.610000d)

Rise 2024-12-28 08:56:26

Transit 2024-12-28 16:58:36

Set 2024-12-29 01:00:45

Amur

Object: Altitude: 43.89 Azimuth: 297.76

Sun: Altitude: 13.06 Azimuth: 23.77

Moon: Altitude: -2.86 Azimuth: 52.18

Tunka

Object: Altitude: 28.85 Azimuth: 276.37

Sun: Altitude: 14.90 Azimuth: 0.85

Moon: Altitude: 6.40 Azimuth: 32.69

Kislovodsk

Object: Altitude: -11.17 Azimuth: 230.26

Sun: Altitude: 3.55 Azimuth: 307.42

Moon: Altitude: 17.38 Azimuth: 337.29

Tavrida

Object: Altitude: -14.94 Azimuth: 223.18

Sun: Altitude: -2.03 Azimuth: 301.44

Moon: Altitude: 13.79 Azimuth: 329.95

SAAO

Object: Altitude: -58.95 Azimuth: 288.70

Sun: Altitude: 19.16 Azimuth: 285.97

Moon: Altitude: 49.62 Azimuth: 272.26

IAC

Object: Altitude: -42.70 Azimuth: 171.88

Sun: Altitude: -35.14 Azimuth: 279.79

Moon: Altitude: -6.21 Azimuth: 295.60

Argentina

Object: Altitude: -35.57 Azimuth: 91.04

Sun: Altitude: -34.32 Azimuth: 350.54

Moon: Altitude: -18.97 Azimuth: 318.38

Mexico

Object: Altitude: 17.93 Azimuth: 101.34

Sun: Altitude: -60.13 Azimuth: 97.00

Moon: Altitude: -83.79 Azimuth: 206.02

Ural

Object: Altitude: 5.13 Azimuth: 243.23

Sun: Altitude: 2.07 Azimuth: 321.50

Moon: Altitude: 7.31 Azimuth: 353.57

Vostryakovo

Object: Altitude: -5.59 Azimuth: 225.07

Sun: Altitude: -5.71 Azimuth: 303.66

Moon: Altitude: 5.52 Azimuth: 334.09

Gal. latitude: -36.856771 Gal. longitude: 89.909804

Dist. to Sun: 78.136770

Dist. to Moon: 109.398716

Moon coord.: (241.626528 d, -25.435544 d)

Sun coord.: (277.199968 d, -23.281529 d)

Lunar disk: 0.078109

Lunar phase: 147.541756

Lunar bright limb: 94.054582

No SN in this field

2025-04-16 11:49:20 (JD 2460781.992593)

Siderial time 3.988655 h

Ra 22:59:12.48 Dec 18:36:36.00
(344.802000d, 18.610000d)

Rise 2025-04-17 01:43:57

Transit 2025-04-16 09:50:02

Set 2025-04-16 17:52:12

Amur

Object: Altitude: -19.79 Azimuth: 164.78

Sun: Altitude: -13.08 Azimuth: 124.36

Moon: Altitude: -20.46 Azimuth: 286.00

Tunka

Object: Altitude: -11.60 Azimuth: 142.00

Sun: Altitude: 1.43 Azimuth: 104.74

Moon: Altitude: -35.80 Azimuth: 267.05

Kislovodsk

Object: Altitude: 19.90 Azimuth: 97.09

Sun: Altitude: 41.67 Azimuth: 58.38

Moon: Altitude: -71.75 Azimuth: 190.08

Tavrida

Object: Altitude: 26.04 Azimuth: 90.91

Sun: Altitude: 45.98 Azimuth: 48.19

Moon: Altitude: -70.56 Azimuth: 166.31

SAAO

Object: Altitude: 14.51 Azimuth: 123.68

Sun: Altitude: 43.89 Azimuth: 154.25

Moon: Altitude: -29.36 Azimuth: 18.86

IAC

Object: Altitude: 68.56 Azimuth: 67.69

Sun: Altitude: 64.73 Azimuth: 312.09

Moon: Altitude: -40.88 Azimuth: 79.30

Argentina

Object: Altitude: 31.03 Azimuth: 215.78

Sun: Altitude: 9.84 Azimuth: 251.41

Moon: Altitude: 28.02 Azimuth: 75.62

Mexico

Object: Altitude: 23.72 Azimuth: 261.82

Sun: Altitude: -13.50 Azimuth: 249.09

Moon: Altitude: 26.15 Azimuth: 30.71

Ural

Object: Altitude: 11.85 Azimuth: 106.01

Sun: Altitude: 25.97 Azimuth: 67.08

Moon: Altitude: -55.41 Azimuth: 213.78

Vostryakovo

Object: Altitude: 23.58 Azimuth: 88.89

Sun: Altitude: 36.91 Azimuth: 45.69

Moon: Altitude: -60.32 Azimuth: 177.77

Gal. latitude: -36.856771 Gal. longitude: 89.909804

Dist. to Sun: 39.249878

Dist. to Moon: 109.792837

Moon coord.: (241.245143 d, -25.715447 d)

Sun coord.: (24.475260 d, 10.187063 d)

Lunar disk: 0.894002

Lunar phase: 38.000557

Lunar bright limb: 107.219022

No SN in this field

Recent coverage and limits telegrams

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

  ID = 11859
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) was pointed to the SWIFT GRB 241228A ( V. D'Elia et al., GCN 38681) errorbox  53242 sec after notice time and 53275 sec after trigger time at 2024-12-28 18:45:10 UT, with upper limit up to  17.7 mag. Observations started at twilight.  The observations began at zenith distance = 72 deg. The sun  altitude  is -11.2 deg. 

The galactic latitude b = -37 deg., longitude l = 90 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2724378

We obtain a following upper limits.  

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

   53366 |         MASTER-SAAO |   C |   180 | 12.2 |        
   53565 |         MASTER-SAAO |   C |   180 | 16.4 |        
   53764 |         MASTER-SAAO |   C |   180 | 16.5 |        
   53964 |         MASTER-SAAO |   C |   180 | 16.6 |        
   54163 |         MASTER-SAAO |   C |   180 | 16.7 |        
   54364 |         MASTER-SAAO |   C |   180 | 16.5 |        
   54563 |         MASTER-SAAO |   C |   180 | 16.6 |        
   54763 |         MASTER-SAAO |   C |   180 | 16.5 |        
   54962 |         MASTER-SAAO |   C |   180 | 16.4 |        
   55161 |         MASTER-SAAO |   C |   180 | 16.6 |        
   55560 |         MASTER-SAAO |   C |   180 | 16.5 |        
   55700 |         MASTER-SAAO |   C |    60 | 17.2 |        
   56663 |         MASTER-SAAO |   C |   180 | 17.7 |        
   56862 |         MASTER-SAAO |   C |   180 | 17.7 |        
   58083 |         MASTER-SAAO |   C |   180 | 14.6 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 11853
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) was pointed to the SWIFT GRB 241228A ( V. D'Elia et al., GCN 38681) errorbox  53242 sec after notice time and 53275 sec after trigger time at 2024-12-28 18:45:10 UT, with upper limit up to  16.7 mag. Observations started at twilight.  The observations began at zenith distance = 72 deg. The sun  altitude  is -11.2 deg. 

The galactic latitude b = -37 deg., longitude l = 90 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2724378

We obtain a following upper limits.  

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

   53366 |         MASTER-SAAO |   C |   180 | 12.2 |        
   53565 |         MASTER-SAAO |   C |   180 | 16.4 |        
   53764 |         MASTER-SAAO |   C |   180 | 16.5 |        
   53964 |         MASTER-SAAO |   C |   180 | 16.6 |        
   54163 |         MASTER-SAAO |   C |   180 | 16.7 |        
   54364 |         MASTER-SAAO |   C |   180 | 16.5 |        
   54563 |         MASTER-SAAO |   C |   180 | 16.6 |        
   54763 |         MASTER-SAAO |   C |   180 | 16.5 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 11852
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) was pointed to the SWIFT GRB 241228A ( V. D'Elia et al., GCN 38681) errorbox  53242 sec after notice time and 53275 sec after trigger time at 2024-12-28 18:45:10 UT, with upper limit up to  16.7 mag. Observations started at twilight.  The observations began at zenith distance = 72 deg. The sun  altitude  is -11.2 deg. 

The galactic latitude b = -37 deg., longitude l = 90 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2724378

We obtain a following upper limits.  

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

   53366 |         MASTER-SAAO |   C |   180 | 12.2 |        
   53565 |         MASTER-SAAO |   C |   180 | 16.4 |        
   53764 |         MASTER-SAAO |   C |   180 | 16.5 |        
   53964 |         MASTER-SAAO |   C |   180 | 16.6 |        
   54163 |         MASTER-SAAO |   C |   180 | 16.7 |        
   54364 |         MASTER-SAAO |   C |   180 | 16.5 |        
   54563 |         MASTER-SAAO |   C |   180 | 16.6 |        
   54763 |         MASTER-SAAO |   C |   180 | 16.5 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 11851
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) was pointed to the SWIFT GRB 241228A ( V. D'Elia et al., GCN 38681) errorbox  53242 sec after notice time and 53275 sec after trigger time at 2024-12-28 18:45:10 UT, with upper limit up to  16.7 mag. Observations started at twilight.  The observations began at zenith distance = 72 deg. The sun  altitude  is -11.2 deg. 

The galactic latitude b = -37 deg., longitude l = 90 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2724378

We obtain a following upper limits.  

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

   53366 |         MASTER-SAAO |   C |   180 | 12.2 |        
   53565 |         MASTER-SAAO |   C |   180 | 16.4 |        
   53764 |         MASTER-SAAO |   C |   180 | 16.5 |        
   53964 |         MASTER-SAAO |   C |   180 | 16.6 |        
   54163 |         MASTER-SAAO |   C |   180 | 16.7 |        
   54364 |         MASTER-SAAO |   C |   180 | 16.5 |        
   54563 |         MASTER-SAAO |   C |   180 | 16.6 |        
   54763 |         MASTER-SAAO |   C |   180 | 16.5 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 11850
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) was pointed to the SWIFT GRB 241228A ( V. D'Elia et al., GCN 38681) errorbox  53242 sec after notice time and 53275 sec after trigger time at 2024-12-28 18:45:10 UT, with upper limit up to  12.2 mag. Observations started at twilight.  The observations began at zenith distance = 72 deg. The sun  altitude  is -11.2 deg. 

The galactic latitude b = -37 deg., longitude l = 90 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2724378

We obtain a following upper limits.  

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

   53366 |         MASTER-SAAO |   C |   180 | 12.2 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 11849
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) was pointed to the SWIFT GRB 241228A ( V. D'Elia et al., GCN 38681) errorbox  53242 sec after notice time and 53275 sec after trigger time at 2024-12-28 18:45:10 UT, with upper limit up to  12.2 mag. Observations started at twilight.  The observations began at zenith distance = 72 deg. The sun  altitude  is -11.2 deg. 

The galactic latitude b = -37 deg., longitude l = 90 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2724378

We obtain a following upper limits.  

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

   53366 |         MASTER-SAAO |   C |   180 | 12.2 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 11848
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) was pointed to the SWIFT GRB 241228A ( V. D'Elia et al., GCN 38681) errorbox  53242 sec after notice time and 53275 sec after trigger time at 2024-12-28 18:45:10 UT, with upper limit up to  12.2 mag. Observations started at twilight.  The observations began at zenith distance = 72 deg. The sun  altitude  is -11.2 deg. 

The galactic latitude b = -37 deg., longitude l = 90 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2724378

We obtain a following upper limits.  

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

   53366 |         MASTER-SAAO |   C |   180 | 12.2 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 11847
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) was pointed to the SWIFT GRB 241228A ( V. D'Elia et al., GCN 38681) errorbox  53242 sec after notice time and 53275 sec after trigger time at 2024-12-28 18:45:10 UT, with upper limit up to  12.2 mag. Observations started at twilight.  The observations began at zenith distance = 72 deg. The sun  altitude  is -11.2 deg. 

The galactic latitude b = -37 deg., longitude l = 90 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2724378

We obtain a following upper limits.  

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

   53366 |         MASTER-SAAO |   C |   180 | 12.2 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 11846
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) was pointed to the SWIFT GRB 241228A ( V. D'Elia et al., GCN 38681) errorbox  53242 sec after notice time and 53275 sec after trigger time at 2024-12-28 18:45:10 UT, with upper limit up to  12.2 mag. Observations started at twilight.  The observations began at zenith distance = 72 deg. The sun  altitude  is -11.2 deg. 

The galactic latitude b = -37 deg., longitude l = 90 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2724378

We obtain a following upper limits.  

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

   53366 |         MASTER-SAAO |   C |   180 | 12.2 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 11845
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) was pointed to the SWIFT GRB 241228A ( V. D'Elia et al., GCN 38681) errorbox  53242 sec after notice time and 53275 sec after trigger time at 2024-12-28 18:45:10 UT, with upper limit up to  12.2 mag. Observations started at twilight.  The observations began at zenith distance = 72 deg. The sun  altitude  is -11.2 deg. 

The galactic latitude b = -37 deg., longitude l = 90 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2724378

We obtain a following upper limits.  

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

   53366 |         MASTER-SAAO |   C |   180 | 12.2 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 11844
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) was pointed to the SWIFT GRB 241228A ( V. D'Elia et al., GCN 38681) errorbox  53242 sec after notice time and 53275 sec after trigger time at 2024-12-28 18:45:10 UT, with upper limit up to  12.2 mag. Observations started at twilight.  The observations began at zenith distance = 72 deg. The sun  altitude  is -11.2 deg. 

The galactic latitude b = -37 deg., longitude l = 90 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2724378

We obtain a following upper limits.  

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

   53366 |         MASTER-SAAO |   C |   180 | 12.2 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 11843
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) was pointed to the SWIFT GRB 241228A ( V. D'Elia et al., GCN 38681) errorbox  53242 sec after notice time and 53275 sec after trigger time at 2024-12-28 18:45:10 UT, with upper limit up to  12.2 mag. Observations started at twilight.  The observations began at zenith distance = 72 deg. The sun  altitude  is -11.2 deg. 

The galactic latitude b = -37 deg., longitude l = 90 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2724378

We obtain a following upper limits.  

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

   53366 |         MASTER-SAAO |   C |   180 | 12.2 |        
Filter C is a clear (unfiltred) band. 


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

MASTER, 2002-2025

MASTER Net MASTER Database: GRB241228.17 page

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MASTER WFC:
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Single sets | Single images
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Raw | Processing | Search by orbit elements | Search
SN | Asteroid | Transient | Two tube | Short transient | Tr. difference | Comet | Nova M31 | GRB | GRB_HPX | LIGO
Manual control | Planner | Planner Results | Planner NET

General:
SN list | Sky map | Add asteroid
Meteo | Focus | MASTER page
Users list | Users statistic | Logout

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