GRB230311.85 page :: MASTER Database

MASTER Net MASTER Database: GRB230311.85 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 GRB230311.85

Trignum

1159442

Trigger time

2023-03-11 20:23:05.09

Notice time

2023-03-11 20:24:37.317443

Coord, eb

(04h 39m 55.66s , +44d 40m 25.7s) , 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)
 ??

You are viewing outdated information, relevant error box is here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
2203818	2023-03-11 20:26:09.291908	04^h 39^m 54.07^s +44^d 41^m 11.0^s	SWIFT	0	alert	1159442	3	69	alert
2203817	2023-03-11 20:26:00.126558	04^h 39^m 54.07^s +44^d 41^m 11.0^s	SWIFT	0.0013	alert	1159442	3	67	alert
2203815	2023-03-11 20:24:37.317443	04^h 39^m 55.66^s +44^d 40^m 25.7^s	SWIFT	0.05	alert	1159442	7	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

2023-03-11 20:23:05 (JD 2460015.349363)

Siderial time 10.175162 h

Ra 04:39:55.66 Dec 44:40:25.70
( 69.981917d, 44.673806d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: 5.22 Azimuth: 174.66

Sun: Altitude: -14.86 Azimuth: 257.57

Moon: Altitude: 20.72 Azimuth: 25.34

Tunka

Object: Altitude: 10.33 Azimuth: 157.54

Sun: Altitude: -28.31 Azimuth: 235.51

Moon: Altitude: 22.68 Azimuth: 0.14

Kislovodsk

Object: Altitude: 30.54 Azimuth: 124.42

Sun: Altitude: -48.11 Azimuth: 158.97

Moon: Altitude: 9.14 Azimuth: 301.93

Tavrida

Object: Altitude: 36.21 Azimuth: 120.08

Sun: Altitude: -44.49 Azimuth: 147.78

Moon: Altitude: 3.33 Azimuth: 295.77

SAAO

Object: Altitude: -7.51 Azimuth: 139.12

Sun: Altitude: -40.59 Azimuth: 49.92

Moon: Altitude: 14.76 Azimuth: 279.23

IAC

Object: Altitude: 62.06 Azimuth: 133.56

Sun: Altitude: -16.77 Azimuth: 94.92

Moon: Altitude: -32.94 Azimuth: 270.75

Argentina

Object: Altitude: 10.39 Azimuth: 197.31

Sun: Altitude: 31.97 Azimuth: 107.31

Moon: Altitude: -42.11 Azimuth: 349.92

Mexico

Object: Altitude: 38.07 Azimuth: 235.19

Sun: Altitude: 53.04 Azimuth: 22.26

Moon: Altitude: -55.87 Azimuth: 109.39

Ural

Object: Altitude: 29.51 Azimuth: 127.74

Sun: Altitude: -36.60 Azimuth: 183.88

Moon: Altitude: 9.01 Azimuth: 317.92

Vostryakovo

Object: Altitude: 38.97 Azimuth: 114.83

Sun: Altitude: -36.18 Azimuth: 156.76

Moon: Altitude: 0.58 Azimuth: 299.05

Gal. latitude: -0.774112 Gal. longitude: 159.966637

Dist. to Sun: 84.520207

Dist. to Moon: 140.252217

Moon coord.: (217.941275 d, -15.511708 d)

Sun coord.: (351.429093 d, -3.697793 d)

Lunar disk: 0.822976

Lunar phase: 49.762918

Lunar bright limb: 108.753216

No SN in this field

2023-03-11 20:24:37 (JD 2460015.350428)

Siderial time 10.200788 h

Ra 04:39:55.66 Dec 44:40:25.70
( 69.981917d, 44.673806d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: 5.19 Azimuth: 174.93

Sun: Altitude: -14.62 Azimuth: 257.88

Moon: Altitude: 20.61 Azimuth: 25.71

Tunka

Object: Altitude: 10.24 Azimuth: 157.80

Sun: Altitude: -28.11 Azimuth: 235.88

Moon: Altitude: 22.67 Azimuth: 0.53

Kislovodsk

Object: Altitude: 30.31 Azimuth: 124.60

Sun: Altitude: -48.21 Azimuth: 159.52

Moon: Altitude: 9.36 Azimuth: 302.22

Tavrida

Object: Altitude: 35.98 Azimuth: 120.25

Sun: Altitude: -44.64 Azimuth: 148.28

Moon: Altitude: 3.56 Azimuth: 296.04

SAAO

Object: Altitude: -7.72 Azimuth: 138.95

Sun: Altitude: -40.84 Azimuth: 49.53

Moon: Altitude: 15.07 Azimuth: 279.05

IAC

Object: Altitude: 61.82 Azimuth: 133.30

Sun: Altitude: -17.10 Azimuth: 95.11

Moon: Altitude: -32.62 Azimuth: 270.92

Argentina

Object: Altitude: 10.48 Azimuth: 197.05

Sun: Altitude: 31.66 Azimuth: 107.05

Moon: Altitude: -42.05 Azimuth: 349.45

Mexico

Object: Altitude: 38.34 Azimuth: 235.24

Sun: Altitude: 52.92 Azimuth: 22.87

Moon: Altitude: -56.17 Azimuth: 109.73

Ural

Object: Altitude: 29.34 Azimuth: 127.99

Sun: Altitude: -36.59 Azimuth: 184.36

Moon: Altitude: 9.14 Azimuth: 318.25

Vostryakovo

Object: Altitude: 38.78 Azimuth: 115.07

Sun: Altitude: -36.27 Azimuth: 157.22

Moon: Altitude: 0.76 Azimuth: 299.36

Gal. latitude: -0.774112 Gal. longitude: 159.966637

Dist. to Sun: 84.519224

Dist. to Moon: 140.264156

Moon coord.: (217.954462 d, -15.517209 d)

Sun coord.: (351.430072 d, -3.697375 d)

Lunar disk: 0.822891

Lunar phase: 49.775630

Lunar bright limb: 108.750655

No SN in this field

2023-03-11 21:24:37 (JD 2460015.392095)

Siderial time 11.203526 h

Ra 04:39:55.66 Dec 44:40:25.70
( 69.981917d, 44.673806d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: 5.24 Azimuth: 185.66

Sun: Altitude: -5.10 Azimuth: 269.62

Moon: Altitude: 15.42 Azimuth: 39.38

Tunka

Object: Altitude: 7.53 Azimuth: 168.26

Sun: Altitude: -19.87 Azimuth: 249.58

Moon: Altitude: 21.20 Azimuth: 15.53

Kislovodsk

Object: Altitude: 21.76 Azimuth: 131.74

Sun: Altitude: -49.91 Azimuth: 182.31

Moon: Altitude: 17.44 Azimuth: 313.96

Tavrida

Object: Altitude: 27.09 Azimuth: 127.22

Sun: Altitude: -48.49 Azimuth: 169.40

Moon: Altitude: 12.18 Azimuth: 307.17

SAAO

Object: Altitude: -16.58 Azimuth: 132.83

Sun: Altitude: -49.15 Azimuth: 31.83

Moon: Altitude: 27.38 Azimuth: 271.90

IAC

Object: Altitude: 51.64 Azimuth: 127.33

Sun: Altitude: -30.13 Azimuth: 103.19

Moon: Altitude: -19.96 Azimuth: 277.59

Argentina

Object: Altitude: 13.10 Azimuth: 186.47

Sun: Altitude: 19.20 Azimuth: 97.82

Moon: Altitude: -37.74 Azimuth: 332.06

Mexico

Object: Altitude: 49.01 Azimuth: 236.06

Sun: Altitude: 45.86 Azimuth: 43.28

Moon: Altitude: -67.25 Azimuth: 128.13

Ural

Object: Altitude: 23.36 Azimuth: 137.87

Sun: Altitude: -34.66 Azimuth: 202.65

Moon: Altitude: 13.46 Azimuth: 331.82

Vostryakovo

Object: Altitude: 31.37 Azimuth: 124.49

Sun: Altitude: -38.23 Azimuth: 175.90

Moon: Altitude: 7.28 Azimuth: 311.77

Gal. latitude: -0.774112 Gal. longitude: 159.966637

Dist. to Sun: 84.480769

Dist. to Moon: 140.730687

Moon coord.: (218.471232 d, -15.731958 d)

Sun coord.: (351.468385 d, -3.681009 d)

Lunar disk: 0.819563

Lunar phase: 50.273288

Lunar bright limb: 108.648804

No SN in this field

2025-04-20 23:52:24 (JD 2460786.494722)

Siderial time 16.335600 h

Ra 04:39:55.66 Dec 44:40:25.70
( 69.981917d, 44.673806d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: 30.06 Azimuth: 234.92

Sun: Altitude: 31.75 Azimuth: 291.77

Moon: Altitude: 10.14 Azimuth: 29.17

Tunka

Object: Altitude: 19.64 Azimuth: 221.08

Sun: Altitude: 16.50 Azimuth: 271.89

Moon: Altitude: 13.50 Azimuth: 6.91

Kislovodsk

Object: Altitude: -1.58 Azimuth: 179.97

Sun: Altitude: -23.00 Azimuth: 224.56

Moon: Altitude: 6.23 Azimuth: 312.86

Tavrida

Object: Altitude: -0.27 Azimuth: 173.93

Sun: Altitude: -26.20 Azimuth: 216.20

Moon: Altitude: 0.92 Azimuth: 306.72

SAAO

Object: Altitude: -69.11 Azimuth: 132.33

Sun: Altitude: -62.64 Azimuth: 314.49

Moon: Altitude: 24.96 Azimuth: 284.16

IAC

Object: Altitude: 0.66 Azimuth: 142.40

Sun: Altitude: -46.42 Azimuth: 154.33

Moon: Altitude: -29.92 Azimuth: 283.40

Argentina

Object: Altitude: -8.35 Azimuth: 138.17

Sun: Altitude: -22.59 Azimuth: 90.09

Moon: Altitude: -31.98 Azimuth: 343.88

Mexico

Object: Altitude: 64.85 Azimuth: 130.44

Sun: Altitude: 24.47 Azimuth: 89.27

Moon: Altitude: -66.06 Azimuth: 99.61

Ural

Object: Altitude: 12.70 Azimuth: 192.29

Sun: Altitude: -6.26 Azimuth: 236.92

Moon: Altitude: 3.05 Azimuth: 327.47

Vostryakovo

Object: Altitude: 10.14 Azimuth: 176.57

Sun: Altitude: -16.21 Azimuth: 217.40

Moon: Altitude: -3.73 Azimuth: 309.40

Gal. latitude: -0.774112 Gal. longitude: 159.966637

Dist. to Sun: 48.233881

Dist. to Moon: 132.785988

Moon coord.: (303.099211 d, -24.417427 d)

Sun coord.: (28.663146 d, 11.752255 d)

Lunar disk: 0.509035

Lunar phase: 88.964611

Lunar bright limb: 77.466889

No SN in this field

Recent coverage and limits telegrams

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

  ID = 7930
TYPE = 35
DAYS = 1


MASTER-Amur robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Blagoveshchensk State Pedagogical University) was pointed to the SWIFT GRB230311.85 (trigger No 1159442,04h 39m 55.66s , +44d 40m 25.7s, R=0.05) errorbox  51098 sec after notice time and 51190 sec after trigger time at 2023-03-12 10:36:15 UT, with upper limit up to  15.0 mag. Observations started at twilight.  The observations began at zenith distance = 18 deg. The sun  altitude  is -11.6 deg. 

MASTER-Kislovodsk robotic telescope  located in Russia (Lomonosov MSU, Kislovodsk Solar Station of Pulkovo observatory) was pointed to the SWIFT GRB230311.85 errorbox  71156 sec after notice time and 71248 sec after trigger time at 2023-03-12 16:10:33 UT, with upper limit up to  17.7 mag. Observations started at twilight.  The observations began at zenith distance = 18 deg. The sun  altitude  is -11.4 deg. 

MASTER-SAAO robotic telescope  located in South Africa (South African Astronomical Observatory) was pointed to the SWIFT GRB230311.85 errorbox  77792 sec after notice time and 77884 sec after trigger time at 2023-03-12 18:01:09 UT, with upper limit up to  17.7 mag. Observations started at twilight.  The observations began at zenith distance = 82 deg. The sun  altitude  is -13.5 deg. 

The galactic latitude b = -1 deg., longitude l = 160 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2203815

We obtain a following upper limits.  

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

   51281 |         MASTER-Amur |   C |   180 | 14.9 |        
   51680 |         MASTER-Amur |   C |   180 | 15.0 |        
   52079 |         MASTER-Amur |   C |   180 | 15.0 |        
   71338 |   MASTER-Kislovodsk |   C |   180 | 14.7 |        
   71338 |   MASTER-Kislovodsk |   C |   180 | 14.9 |        
   72771 |   MASTER-Kislovodsk |   C |   180 | 16.4 |        
   72771 |   MASTER-Kislovodsk |   C |   180 | 15.6 |        
   73990 |   MASTER-Kislovodsk |   C |   180 | 17.3 |        
   73990 |   MASTER-Kislovodsk |   C |   180 | 16.6 |        
   74407 |   MASTER-Kislovodsk |   C |   180 | 16.5 |        
   74407 |   MASTER-Kislovodsk |   C |   180 | 17.3 |        
   75370 |   MASTER-Kislovodsk |   C |   180 | 17.3 |        
   75370 |   MASTER-Kislovodsk |   C |   180 | 16.3 |        
   75807 |   MASTER-Kislovodsk |   C |   180 | 17.2 |        
   75807 |   MASTER-Kislovodsk |   C |   180 | 16.4 |        
   76649 |   MASTER-Kislovodsk |   C |   180 | 17.0 |        
   76649 |   MASTER-Kislovodsk |   C |   180 | 16.5 |        
   77902 |   MASTER-Kislovodsk |   C |   180 | 16.5 |        
   77902 |   MASTER-Kislovodsk |   C |   180 | 17.3 |        
   77974 |         MASTER-SAAO |   C |   180 | 16.5 |        
   77974 |         MASTER-SAAO |   C |   180 | 16.4 |        
   79198 |         MASTER-SAAO |   C |   180 | 17.3 |        
   79198 |         MASTER-SAAO |   C |   180 | 17.7 |        
   79260 |   MASTER-Kislovodsk |   C |   180 | 17.5 |        
   79260 |   MASTER-Kislovodsk |   C |   180 | 15.9 |        
   80438 |         MASTER-SAAO |   C |   180 | 16.2 |        
   80438 |         MASTER-SAAO |   C |   180 | 17.0 |        
   84489 |   MASTER-Kislovodsk |   C |   180 | 17.7 |        
   84489 |   MASTER-Kislovodsk |   C |   180 | 16.5 |        
   85835 |   MASTER-Kislovodsk |   C |   180 | 15.8 |        
   85835 |   MASTER-Kislovodsk |   C |   180 | 14.8 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 7924
TYPE = 35
DAYS = 0


MASTER-Amur robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Blagoveshchensk State Pedagogical University) was pointed to the SWIFT GRB230311.85 (trigger No 1159442,04h 39m 55.66s , +44d 40m 25.7s, R=0.05) errorbox  51098 sec after notice time and 51190 sec after trigger time at 2023-03-12 10:36:15 UT, with upper limit up to  15.0 mag. Observations started at twilight.  The observations began at zenith distance = 18 deg. The sun  altitude  is -11.6 deg. 

The galactic latitude b = -1 deg., longitude l = 160 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2203815

We obtain a following upper limits.  

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

   51281 |         MASTER-Amur |   C |   180 | 14.9 |        
   51680 |         MASTER-Amur |   C |   180 | 15.0 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 7923
TYPE = 35
DAYS = 0


MASTER-Amur robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Blagoveshchensk State Pedagogical University) was pointed to the SWIFT GRB230311.85 (trigger No 1159442,04h 39m 55.66s , +44d 40m 25.7s, R=0.05) errorbox  51098 sec after notice time and 51190 sec after trigger time at 2023-03-12 10:36:15 UT, with upper limit up to  15.0 mag. Observations started at twilight.  The observations began at zenith distance = 18 deg. The sun  altitude  is -11.6 deg. 

The galactic latitude b = -1 deg., longitude l = 160 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2203815

We obtain a following upper limits.  

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

   51281 |         MASTER-Amur |   C |   180 | 14.9 |        
   51680 |         MASTER-Amur |   C |   180 | 15.0 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 7922
TYPE = 34
DAYS = 0


MASTER-Amur robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Blagoveshchensk State Pedagogical University) was pointed to the SWIFT GRB230311.85 (trigger No 1159442,04h 39m 55.66s , +44d 40m 25.7s, R=0.05) errorbox  51098 sec after notice time and 51190 sec after trigger time at 2023-03-12 10:36:15 UT, with upper limit up to  15.0 mag. Observations started at twilight.  The observations began at zenith distance = 18 deg. The sun  altitude  is -11.6 deg. 

The galactic latitude b = -1 deg., longitude l = 160 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2203815

We obtain a following upper limits.  

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

   51281 |         MASTER-Amur |   C |   180 | 14.9 |        
   51680 |         MASTER-Amur |   C |   180 | 15.0 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 7921
TYPE = 35
DAYS = 0


MASTER-Amur robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Blagoveshchensk State Pedagogical University) was pointed to the SWIFT GRB230311.85 (trigger No 1159442,04h 39m 55.66s , +44d 40m 25.7s, R=0.05) errorbox  51098 sec after notice time and 51190 sec after trigger time at 2023-03-12 10:36:15 UT, with upper limit up to  14.9 mag. Observations started at twilight.  The observations began at zenith distance = 18 deg. The sun  altitude  is -11.6 deg. 

The galactic latitude b = -1 deg., longitude l = 160 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2203815

We obtain a following upper limits.  

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

   51281 |         MASTER-Amur |   C |   180 | 14.9 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 7920
TYPE = 35
DAYS = 0


MASTER-Amur robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Blagoveshchensk State Pedagogical University) was pointed to the SWIFT GRB230311.85 (trigger No 1159442,04h 39m 55.66s , +44d 40m 25.7s, R=0.05) errorbox  51098 sec after notice time and 51190 sec after trigger time at 2023-03-12 10:36:15 UT, with upper limit up to  14.9 mag. Observations started at twilight.  The observations began at zenith distance = 18 deg. The sun  altitude  is -11.6 deg. 

The galactic latitude b = -1 deg., longitude l = 160 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2203815

We obtain a following upper limits.  

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

   51281 |         MASTER-Amur |   C |   180 | 14.9 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 7919
TYPE = 35
DAYS = 0


MASTER-Amur robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Blagoveshchensk State Pedagogical University) was pointed to the SWIFT GRB230311.85 (trigger No 1159442,04h 39m 55.66s , +44d 40m 25.7s, R=0.05) errorbox  51098 sec after notice time and 51190 sec after trigger time at 2023-03-12 10:36:15 UT, with upper limit up to  14.9 mag. Observations started at twilight.  The observations began at zenith distance = 18 deg. The sun  altitude  is -11.6 deg. 

The galactic latitude b = -1 deg., longitude l = 160 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2203815

We obtain a following upper limits.  

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

   51281 |         MASTER-Amur |   C |   180 | 14.9 |        
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: GRB230311.85 page

MASTER WFC: Raw | Processing | Search Single sets | Single images SN | Asteroid | Transient | Comet

MASTER II: 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

Search: proc_data raw_data stars sn lc Moving objects Transients Trans_alert(SWIFT) Short Two tube Tr. difference SN CND Asteroids wide_field Diff Transients + Vis. Gal. Transients + All Gal. GCN Transients.

Amur

Tunka

Kislovodsk

Tavrida

SAAO

IAC

Argentina

Mexico

Ural

Vostryakovo

Amur

Tunka

Kislovodsk

Tavrida

SAAO

IAC

Argentina

Mexico

Ural

Vostryakovo

Amur

Tunka

Kislovodsk

Tavrida

SAAO

IAC

Argentina

Mexico

Ural

Vostryakovo

Amur

Tunka

Kislovodsk

Tavrida

SAAO

IAC

Argentina

Mexico

Ural

Vostryakovo

MASTER WFC:
Raw | Processing | Search
Single sets | Single images
SN | Asteroid | Transient | Comet

MASTER II:
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

Search: