MASTER Net MASTER Database: GRB230311.84 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 GRB230311.84
Trignum 1159439
Trigger time 2023-03-11 20:08:09.09
Notice time 2023-03-11 20:09:32.68147
Coord, eb (05h 34m 03.41s , +22d 14m 11.4s) , 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)

You are viewing outdated information, relevant error box is here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
2203812 2023-03-11 20:12:47.442316 05h 34m 04.75s +22d 14m 01.7s SWIFT 0 alert 1159439 8 68 alert
2203810 2023-03-11 20:09:32.68147 05h 34m 03.41s +22d 14m 11.4s SWIFT 0.05 alert 1159439 6 61 alert

DAYS:

MASTER optical transients in this field
Will be published in GCN, ATEL

Synchronous WFC images
Distance datetime coord2000 observatory links
Errorbox center visibility at MASTER facilities
trigger notice notice+1hr now

2023-03-11 20:08:09 (JD 2460015.338993)

Siderial time 9.925592 h

Ra 05:34:03.41 Dec 22:14:11.40
( 83.514208d, 22.236500d)

Rise 2023-03-12 10:11:45

Transit 2023-03-12 18:43:27

Set 2023-03-12 03:19:06

Amur

Object: Altitude: -14.21 Azimuth: 156.42

Sun: Altitude: -17.17 Azimuth: 254.53

Moon: Altitude: 21.69 Azimuth: 21.76

Tunka

Object: Altitude: -4.40 Azimuth: 135.37

Sun: Altitude: -30.17 Azimuth: 231.81

Moon: Altitude: 22.66 Azimuth: 356.36

Kislovodsk

Object: Altitude: 29.17 Azimuth: 93.77

Sun: Altitude: -47.03 Azimuth: 153.68

Moon: Altitude: 6.93 Azimuth: 299.21

Tavrida

Object: Altitude: 35.27 Azimuth: 87.24

Sun: Altitude: -42.99 Azimuth: 143.06

Moon: Altitude: 1.03 Azimuth: 293.14

SAAO

Object: Altitude: 18.34 Azimuth: 133.02

Sun: Altitude: -38.11 Azimuth: 53.52

Moon: Altitude: 11.73 Azimuth: 280.99

IAC

Object: Altitude: 78.17 Azimuth: 61.69

Sun: Altitude: -13.49 Azimuth: 93.08

Moon: Altitude: -36.10 Azimuth: 268.97

Argentina

Object: Altitude: 22.90 Azimuth: 221.82

Sun: Altitude: 34.98 Azimuth: 109.94

Moon: Altitude: -42.57 Azimuth: 354.60

Mexico

Object: Altitude: 17.27 Azimuth: 254.01

Sun: Altitude: 54.09 Azimuth: 16.24

Moon: Altitude: -52.89 Azimuth: 106.27

Ural

Object: Altitude: 19.96 Azimuth: 100.37

Sun: Altitude: -36.66 Azimuth: 179.24

Moon: Altitude: 7.70 Azimuth: 314.65

Vostryakovo

Object: Altitude: 31.94 Azimuth: 83.22

Sun: Altitude: -35.27 Azimuth: 152.31

Moon: Altitude: -1.19 Azimuth: 296.05

Gal. latitude: -5.152594 Gal. longitude: 184.658894

Dist. to Sun: 93.336205

Dist. to Moon: 136.380564

Moon coord.: (217.812891 d, -15.458090 d)

Sun coord.: (351.419557 d, -3.701866 d)

Lunar disk: 0.823800

Lunar phase: 49.639124

Lunar bright limb: 108.778060

No SN in this field

2023-03-11 20:09:32 (JD 2460015.339954)

Siderial time 9.948711 h

Ra 05:34:03.41 Dec 22:14:11.40
( 83.514208d, 22.236500d)

Rise 2023-03-12 10:11:45

Transit 2023-03-12 18:43:27

Set 2023-03-12 03:19:06

Amur

Object: Altitude: -14.30 Azimuth: 156.74

Sun: Altitude: -16.96 Azimuth: 254.82

Moon: Altitude: 21.61 Azimuth: 22.09

Tunka

Object: Altitude: -4.55 Azimuth: 135.65

Sun: Altitude: -30.00 Azimuth: 232.16

Moon: Altitude: 22.67 Azimuth: 356.71

Kislovodsk

Object: Altitude: 28.92 Azimuth: 94.00

Sun: Altitude: -47.14 Azimuth: 154.16

Moon: Altitude: 7.14 Azimuth: 299.46

Tavrida

Object: Altitude: 35.02 Azimuth: 87.49

Sun: Altitude: -43.14 Azimuth: 143.49

Moon: Altitude: 1.25 Azimuth: 293.39

SAAO

Object: Altitude: 18.13 Azimuth: 132.77

Sun: Altitude: -38.34 Azimuth: 53.20

Moon: Altitude: 12.01 Azimuth: 280.83

IAC

Object: Altitude: 77.90 Azimuth: 62.53

Sun: Altitude: -13.79 Azimuth: 93.25

Moon: Altitude: -35.81 Azimuth: 269.13

Argentina

Object: Altitude: 23.09 Azimuth: 221.54

Sun: Altitude: 34.70 Azimuth: 109.69

Moon: Altitude: -42.54 Azimuth: 354.16

Mexico

Object: Altitude: 17.56 Azimuth: 254.17

Sun: Altitude: 54.01 Azimuth: 16.81

Moon: Altitude: -53.17 Azimuth: 106.55

Ural

Object: Altitude: 19.77 Azimuth: 100.65

Sun: Altitude: -36.66 Azimuth: 179.67

Moon: Altitude: 7.83 Azimuth: 314.95

Vostryakovo

Object: Altitude: 31.74 Azimuth: 83.52

Sun: Altitude: -35.36 Azimuth: 152.72

Moon: Altitude: -1.02 Azimuth: 296.33

Gal. latitude: -5.152594 Gal. longitude: 184.658894

Dist. to Sun: 93.335246

Dist. to Moon: 136.392954

Moon coord.: (217.824780 d, -15.463059 d)

Sun coord.: (351.420440 d, -3.701489 d)

Lunar disk: 0.823724

Lunar phase: 49.650590

Lunar bright limb: 108.775767

No SN in this field

2023-03-11 21:09:32 (JD 2460015.381620)

Siderial time 10.951449 h

Ra 05:34:03.41 Dec 22:14:11.40
( 83.514208d, 22.236500d)

Rise 2023-03-12 10:11:45

Transit 2023-03-12 18:43:27

Set 2023-03-12 03:19:06

Amur

Object: Altitude: -16.97 Azimuth: 170.93

Sun: Altitude: -7.51 Azimuth: 266.71

Moon: Altitude: 16.90 Azimuth: 36.05

Tunka

Object: Altitude: -10.26 Azimuth: 148.45

Sun: Altitude: -22.03 Azimuth: 246.28

Moon: Altitude: 21.79 Azimuth: 11.80

Kislovodsk

Object: Altitude: 18.19 Azimuth: 103.70

Sun: Altitude: -49.89 Azimuth: 176.46

Moon: Altitude: 15.54 Azimuth: 310.88

Tavrida

Object: Altitude: 24.36 Azimuth: 97.83

Sun: Altitude: -47.87 Azimuth: 163.83

Moon: Altitude: 10.11 Azimuth: 304.27

SAAO

Object: Altitude: 8.08 Azimuth: 122.87

Sun: Altitude: -47.35 Azimuth: 36.80

Moon: Altitude: 24.27 Azimuth: 273.73

IAC

Object: Altitude: 65.22 Azimuth: 81.90

Sun: Altitude: -26.89 Azimuth: 101.02

Moon: Altitude: -23.13 Azimuth: 275.95

Argentina

Object: Altitude: 30.43 Azimuth: 208.28

Sun: Altitude: 22.37 Azimuth: 99.99

Moon: Altitude: -39.15 Azimuth: 336.18

Mexico

Object: Altitude: 30.13 Azimuth: 260.72

Sun: Altitude: 47.98 Azimuth: 38.72

Moon: Altitude: -64.66 Azimuth: 122.30

Ural

Object: Altitude: 11.94 Azimuth: 112.63

Sun: Altitude: -35.38 Azimuth: 198.14

Moon: Altitude: 12.52 Azimuth: 328.35

Vostryakovo

Object: Altitude: 23.21 Azimuth: 95.94

Sun: Altitude: -38.00 Azimuth: 171.13

Moon: Altitude: 5.74 Azimuth: 308.59

Gal. latitude: -5.152594 Gal. longitude: 184.658894

Dist. to Sun: 93.293664

Dist. to Moon: 136.930506

Moon coord.: (218.341184 d, -15.678072 d)

Sun coord.: (351.458754 d, -3.685123 d)

Lunar disk: 0.820402

Lunar phase: 50.148143

Lunar bright limb: 108.674702

No SN in this field

2024-04-27 14:43:58 (JD 2460428.113866)

Siderial time 7.645901 h

Ra 05:34:03.41 Dec 22:14:11.40
( 83.514208d, 22.236500d)

Rise 2024-04-28 07:03:58

Transit 2024-04-28 15:35:40

Set 2024-04-29 00:07:21

Amur

Object: Altitude: -0.77 Azimuth: 127.52

Sun: Altitude: -25.00 Azimuth: 168.66

Moon: Altitude: -1.24 Azimuth: 314.63

Tunka

Object: Altitude: 13.38 Azimuth: 109.07

Sun: Altitude: -17.52 Azimuth: 144.30

Moon: Altitude: -14.53 Azimuth: 296.60

Kislovodsk

Object: Altitude: 53.33 Azimuth: 65.89

Sun: Altitude: 13.60 Azimuth: 96.51

Moon: Altitude: -53.15 Azimuth: 258.27

Tavrida

Object: Altitude: 58.13 Azimuth: 54.24

Sun: Altitude: 19.74 Azimuth: 90.38

Moon: Altitude: -58.71 Azimuth: 248.34

SAAO

Object: Altitude: 33.68 Azimuth: 163.98

Sun: Altitude: 14.21 Azimuth: 117.16

Moon: Altitude: -27.00 Azimuth: 340.29

IAC

Object: Altitude: 68.42 Azimuth: 281.11

Sun: Altitude: 62.42 Azimuth: 64.11

Moon: Altitude: -74.57 Azimuth: 87.99

Argentina

Object: Altitude: -0.35 Azimuth: 243.80

Sun: Altitude: 37.19 Azimuth: 214.08

Moon: Altitude: -0.49 Azimuth: 56.45

Mexico

Object: Altitude: -9.36 Azimuth: 236.84

Sun: Altitude: 25.48 Azimuth: 268.50

Moon: Altitude: 2.07 Azimuth: 55.59

Ural

Object: Altitude: 38.31 Azimuth: 70.62

Sun: Altitude: 5.63 Azimuth: 107.17

Moon: Altitude: -39.90 Azimuth: 259.93

Vostryakovo

Object: Altitude: 49.50 Azimuth: 47.89

Sun: Altitude: 17.30 Azimuth: 89.73

Moon: Altitude: -51.75 Azimuth: 239.02

Gal. latitude: -5.152594 Gal. longitude: 184.658894

Dist. to Sun: 46.517914

Dist. to Moon: 172.602843

Moon coord.: (258.038706 d, -27.724511 d)

Sun coord.: (35.133536 d, 14.014569 d)

Lunar disk: 0.871453

Lunar phase: 42.020410

Lunar bright limb: 99.943060

No SN in this field
Recent coverage and limits telegrams

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

  ID = 7929
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 GRB230311.84 (trigger No 1159439,05h 34m 03.41s , +22d 14m 11.4s, R=0.05) errorbox  105 sec after notice time and 188 sec after trigger time at 2023-03-11 20:11:17 UT, with upper limit up to  19.4 mag. The observations began at zenith distance = 72 deg. The sun  altitude  is -38.3 deg. 

MASTER-Amur robotic telescope  located in Russia (Blagoveshchensk State Pedagogical University) was pointed to the SWIFT GRB230311.84 errorbox  51803 sec after notice time and 51886 sec after trigger time at 2023-03-12 10:32:55 UT, with upper limit up to  14.4 mag. Observations started at twilight.  The observations began at zenith distance = 29 deg. The sun  altitude  is -11.0 deg. 

MASTER-Kislovodsk robotic telescope  located in Russia (Lomonosov MSU, Kislovodsk Solar Station of Pulkovo observatory) was pointed to the SWIFT GRB230311.84 errorbox  71422 sec after notice time and 71506 sec after trigger time at 2023-03-12 15:59:55 UT, with upper limit up to  17.2 mag. Observations started at twilight.  The observations began at zenith distance = 22 deg. The sun  altitude  is -9.5 deg. 

The galactic latitude b = -5 deg., longitude l = 185 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2203810

We obtain a following upper limits.  

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

     209 |         MASTER-SAAO | P\\ |    40 | 16.4 |        
     264 |         MASTER-SAAO | P\\ |   150 | 16.8 |  Coadd 
     354 |         MASTER-SAAO | P\\ |   330 | 17.1 |  Coadd 
     209 |         MASTER-SAAO |  P/ |    40 | 16.7 |        
     264 |         MASTER-SAAO |  P/ |   150 | 17.1 |  Coadd 
     354 |         MASTER-SAAO |  P/ |   330 | 17.6 |  Coadd 
     275 |         MASTER-SAAO | P\\ |    50 | 16.1 |        
     275 |         MASTER-SAAO |  P/ |    50 | 16.4 |        
     341 |         MASTER-SAAO | P\\ |    60 | 16.5 |        
     341 |         MASTER-SAAO |  P/ |    60 | 16.8 |        
     433 |         MASTER-SAAO | P\\ |    80 | 16.5 |        
     433 |         MASTER-SAAO |  P/ |    80 | 16.9 |        
     532 |         MASTER-SAAO | P\\ |   100 | 16.5 |        
     532 |         MASTER-SAAO |  P/ |   100 | 16.9 |        
     666 |         MASTER-SAAO | P\\ |   120 | 16.3 |        
     666 |         MASTER-SAAO |  P/ |   120 | 16.6 |        
     822 |         MASTER-SAAO | P\\ |   150 | 16.1 |        
     822 |         MASTER-SAAO |  P/ |   150 | 16.5 |        
    1011 |         MASTER-SAAO | P\\ |   180 | 15.2 |        
    1011 |         MASTER-SAAO |  P/ |   180 | 15.5 |        
    1223 |         MASTER-SAAO | P\\ |   180 | 15.7 |        
    1223 |         MASTER-SAAO |  P/ |   180 | 16.0 |        
    1434 |         MASTER-SAAO | P\\ |   180 | 15.2 |        
    1434 |         MASTER-SAAO |  P/ |   180 | 15.4 |        
    1645 |         MASTER-SAAO | P\\ |   180 | 14.7 |        
    1645 |         MASTER-SAAO |  P/ |   180 | 15.4 |        
    1857 |         MASTER-SAAO | P\\ |   180 | 14.7 |        
    1857 |         MASTER-SAAO |  P/ |   180 | 15.3 |        
    2068 |         MASTER-SAAO | P\\ |   180 | 14.6 |        
    2068 |         MASTER-SAAO |  P/ |   180 | 15.2 |        
    2279 |         MASTER-SAAO | P\\ |   180 | 14.4 |        
    2279 |         MASTER-SAAO |  P/ |   180 | 15.2 |        
    2491 |         MASTER-SAAO | P\\ |   180 | 12.8 |        
    2491 |         MASTER-SAAO |  P/ |   180 | 14.8 |        
    2702 |         MASTER-SAAO | P\\ |   180 | 12.7 |        
    2702 |         MASTER-SAAO |  P/ |   180 | 14.8 |        
    2915 |         MASTER-SAAO |  P/ |   180 | 14.7 |        
    3126 |         MASTER-SAAO |  P/ |   180 | 14.7 |        
   51977 |         MASTER-Amur |   C |   180 | 14.2 |        
   52376 |         MASTER-Amur |   C |   180 | 14.4 |        
   52775 |         MASTER-Amur |   C |   180 | 14.4 |        
   71596 |   MASTER-Kislovodsk |   C |   180 | 13.9 |        
   71596 |   MASTER-Kislovodsk |   C |   180 | 12.6 |        
   72027 |   MASTER-Kislovodsk |   C |   180 | 14.3 |        
   73266 |   MASTER-Kislovodsk |   C |   180 | 16.0 |        
   73266 |   MASTER-Kislovodsk |   C |   180 | 15.3 |        
   73467 |   MASTER-Kislovodsk |   C |   180 | 15.7 |        
   73467 |   MASTER-Kislovodsk |   C |   180 | 14.8 |        
   73868 |   MASTER-Kislovodsk |   C |   180 | 15.9 |        
   73868 |   MASTER-Kislovodsk |   C |   180 | 15.1 |        
   74279 |   MASTER-Kislovodsk |   C |   180 | 15.1 |        
   74281 |   MASTER-Kislovodsk |   C |   180 | 16.5 |        
   74480 |   MASTER-Kislovodsk |   C |   180 | 16.8 |        
   74481 |   MASTER-Kislovodsk |   C |   180 | 15.4 |        
   75785 |   MASTER-Kislovodsk |   C |   180 | 15.8 |        
   75785 |   MASTER-Kislovodsk |   C |   180 | 16.9 |        
   75986 |   MASTER-Kislovodsk |   C |   180 | 16.9 |        
   75986 |   MASTER-Kislovodsk |   C |   180 | 15.9 |        
   77063 |   MASTER-Kislovodsk |   C |   180 | 16.6 |        
   77063 |   MASTER-Kislovodsk |   C |   180 | 16.0 |        
   77264 |   MASTER-Kislovodsk |   C |   180 | 16.7 |        
   77264 |   MASTER-Kislovodsk |   C |   180 | 15.7 |        
   78235 |         MASTER-SAAO |   C |   180 | 16.9 |        
   78235 |         MASTER-SAAO |   C |   180 | 16.6 |        
   78317 |   MASTER-Kislovodsk |   C |   180 | 16.9 |        
   78317 |   MASTER-Kislovodsk |   C |   180 | 15.4 |        
   78447 |         MASTER-SAAO |   C |   180 | 17.5 |        
   78627 |         MASTER-SAAO |   C |   540 | 18.4 |  Coadd 
   79257 |         MASTER-SAAO |   C |  1800 | 19.3 |  Coadd 
   78447 |         MASTER-SAAO |   C |   180 | 17.3 |        
   78627 |         MASTER-SAAO |   C |   540 | 18.1 |  Coadd 
   78659 |         MASTER-SAAO |   C |   180 | 17.9 |        
   78659 |         MASTER-SAAO |   C |   180 | 17.8 |        
   79471 |         MASTER-SAAO |   C |   180 | 18.7 |        
   79471 |         MASTER-SAAO |   C |   180 | 18.6 |        
   79528 |   MASTER-Kislovodsk |   C |   180 | 17.0 |        
   79528 |   MASTER-Kislovodsk |   C |   180 | 15.6 |        
   79683 |         MASTER-SAAO |   C |   180 | 18.5 |        
   79683 |         MASTER-SAAO |   C |   180 | 18.6 |        
   79729 |   MASTER-Kislovodsk |   C |   180 | 17.2 |        
   79729 |   MASTER-Kislovodsk |   C |   180 | 16.1 |        
   79894 |         MASTER-SAAO |   C |   180 | 18.8 |        
   80074 |         MASTER-SAAO |   C |   540 | 19.4 |  Coadd 
   79894 |         MASTER-SAAO |   C |   180 | 18.8 |        
   80074 |         MASTER-SAAO |   C |   540 | 19.3 |  Coadd 
   80697 |         MASTER-SAAO |   C |   180 | 18.7 |        
   80697 |         MASTER-SAAO |   C |   180 | 18.6 |        
   80908 |         MASTER-SAAO |   C |   180 | 18.8 |        
   80908 |         MASTER-SAAO |   C |   180 | 18.7 |        
   80932 |   MASTER-Kislovodsk |   C |   180 | 14.9 |        
   80932 |   MASTER-Kislovodsk |   C |   180 | 13.8 |        
   81120 |         MASTER-SAAO |   C |   180 | 18.9 |        
   81120 |         MASTER-SAAO |   C |   180 | 18.8 |        
   82136 |         MASTER-SAAO |   C |   180 | 18.7 |        
   82316 |         MASTER-SAAO |   C |   540 | 19.0 |  Coadd 
   82136 |         MASTER-SAAO |   C |   180 | 18.6 |        
   82316 |         MASTER-SAAO |   C |   540 | 19.0 |  Coadd 
   82348 |         MASTER-SAAO |   C |   180 | 18.7 |        
   82348 |         MASTER-SAAO |   C |   180 | 18.5 |        
   82564 |         MASTER-SAAO |   C |   180 | 12.4 |        
   83385 |         MASTER-SAAO |   C |   180 | 18.0 |        
   83385 |         MASTER-SAAO |   C |   180 | 17.9 |        
   83597 |         MASTER-SAAO |   C |   180 | 18.4 |        
   83597 |         MASTER-SAAO |   C |   180 | 18.3 |        
   84630 |         MASTER-SAAO |   C |   180 | 17.8 |        
   84630 |         MASTER-SAAO |   C |   180 | 17.6 |        
   84841 |         MASTER-SAAO |   C |   180 | 18.3 |        
   84841 |         MASTER-SAAO |   C |   180 | 18.0 |        
   84985 |   MASTER-Kislovodsk |   C |   180 | 16.9 |        
   84985 |   MASTER-Kislovodsk |   C |   180 | 15.5 |        
   85185 |   MASTER-Kislovodsk |   C |   180 | 17.2 |        
   85185 |   MASTER-Kislovodsk |   C |   180 | 15.8 |        
   85901 |         MASTER-SAAO |   C |   180 | 17.6 |        
   85901 |         MASTER-SAAO |   C |   180 | 17.5 |        
   86113 |         MASTER-SAAO |   C |   180 | 17.6 |        
   86113 |         MASTER-SAAO |   C |   180 | 17.5 |        
   86375 |   MASTER-Kislovodsk |   C |   180 | 15.1 |        
   86375 |   MASTER-Kislovodsk |   C |   180 | 14.0 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 7918
TYPE = 35
DAYS = 0.5


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 GRB230311.84 (trigger No 1159439,05h 34m 03.41s , +22d 14m 11.4s, R=0.05) errorbox  105 sec after notice time and 188 sec after trigger time at 2023-03-11 20:11:17 UT, with upper limit up to  17.6 mag. The observations began at zenith distance = 72 deg. The sun  altitude  is -38.3 deg. 

The galactic latitude b = -5 deg., longitude l = 185 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2203810

We obtain a following upper limits.  

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

     209 |         MASTER-SAAO | P\\ |    40 | 16.4 |        
     264 |         MASTER-SAAO | P\\ |   150 | 16.8 |  Coadd 
     354 |         MASTER-SAAO | P\\ |   330 | 17.1 |  Coadd 
     209 |         MASTER-SAAO |  P/ |    40 | 16.7 |        
     264 |         MASTER-SAAO |  P/ |   150 | 17.1 |  Coadd 
     354 |         MASTER-SAAO |  P/ |   330 | 17.6 |  Coadd 
     275 |         MASTER-SAAO | P\\ |    50 | 16.1 |        
     275 |         MASTER-SAAO |  P/ |    50 | 16.4 |        
     341 |         MASTER-SAAO | P\\ |    60 | 16.5 |        
     341 |         MASTER-SAAO |  P/ |    60 | 16.8 |        
     433 |         MASTER-SAAO | P\\ |    80 | 16.5 |        
     433 |         MASTER-SAAO |  P/ |    80 | 16.9 |        
     532 |         MASTER-SAAO | P\\ |   100 | 16.5 |        
     532 |         MASTER-SAAO |  P/ |   100 | 16.9 |        
     666 |         MASTER-SAAO | P\\ |   120 | 16.3 |        
     666 |         MASTER-SAAO |  P/ |   120 | 16.6 |        
     822 |         MASTER-SAAO | P\\ |   150 | 16.1 |        
     822 |         MASTER-SAAO |  P/ |   150 | 16.5 |        
    1011 |         MASTER-SAAO | P\\ |   180 | 15.2 |        
    1011 |         MASTER-SAAO |  P/ |   180 | 15.5 |        
    1223 |         MASTER-SAAO | P\\ |   180 | 15.7 |        
    1223 |         MASTER-SAAO |  P/ |   180 | 16.0 |        
    1434 |         MASTER-SAAO | P\\ |   180 | 15.2 |        
    1434 |         MASTER-SAAO |  P/ |   180 | 15.4 |        
    1645 |         MASTER-SAAO | P\\ |   180 | 14.7 |        
    1645 |         MASTER-SAAO |  P/ |   180 | 15.4 |        
    1857 |         MASTER-SAAO | P\\ |   180 | 14.7 |        
    1857 |         MASTER-SAAO |  P/ |   180 | 15.3 |        
    2068 |         MASTER-SAAO | P\\ |   180 | 14.6 |        
    2068 |         MASTER-SAAO |  P/ |   180 | 15.2 |        
    2279 |         MASTER-SAAO | P\\ |   180 | 14.4 |        
    2279 |         MASTER-SAAO |  P/ |   180 | 15.2 |        
    2491 |         MASTER-SAAO | P\\ |   180 | 12.8 |        
    2491 |         MASTER-SAAO |  P/ |   180 | 14.8 |        
    2702 |         MASTER-SAAO | P\\ |   180 | 12.7 |        
    2702 |         MASTER-SAAO |  P/ |   180 | 14.8 |        
    2915 |         MASTER-SAAO |  P/ |   180 | 14.7 |        
    3126 |         MASTER-SAAO |  P/ |   180 | 14.7 |        


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



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

  ID = 7912
TYPE = 35
DAYS = 0.1


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 GRB230311.84 (trigger No 1159439,05h 34m 03.41s , +22d 14m 11.4s, R=0.05) errorbox  105 sec after notice time and 188 sec after trigger time at 2023-03-11 20:11:17 UT, with upper limit up to  17.6 mag. The observations began at zenith distance = 72 deg. The sun  altitude  is -38.3 deg. 

The galactic latitude b = -5 deg., longitude l = 185 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2203810

We obtain a following upper limits.  

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

     209 |         MASTER-SAAO | P\\ |    40 | 16.4 |        
     264 |         MASTER-SAAO | P\\ |   150 | 16.8 |  Coadd 
     354 |         MASTER-SAAO | P\\ |   330 | 17.1 |  Coadd 
     209 |         MASTER-SAAO |  P/ |    40 | 16.7 |        
     264 |         MASTER-SAAO |  P/ |   150 | 17.1 |  Coadd 
     354 |         MASTER-SAAO |  P/ |   330 | 17.6 |  Coadd 
     275 |         MASTER-SAAO | P\\ |    50 | 16.1 |        
     275 |         MASTER-SAAO |  P/ |    50 | 16.4 |        
     341 |         MASTER-SAAO | P\\ |    60 | 16.5 |        
     341 |         MASTER-SAAO |  P/ |    60 | 16.8 |        
     433 |         MASTER-SAAO | P\\ |    80 | 16.5 |        
     433 |         MASTER-SAAO |  P/ |    80 | 16.9 |        
     532 |         MASTER-SAAO | P\\ |   100 | 16.5 |        
     532 |         MASTER-SAAO |  P/ |   100 | 16.9 |        
     666 |         MASTER-SAAO | P\\ |   120 | 16.3 |        
     666 |         MASTER-SAAO |  P/ |   120 | 16.6 |        
     822 |         MASTER-SAAO | P\\ |   150 | 16.1 |        
     822 |         MASTER-SAAO |  P/ |   150 | 16.5 |        
    1011 |         MASTER-SAAO | P\\ |   180 | 15.2 |        
    1011 |         MASTER-SAAO |  P/ |   180 | 15.5 |        
    1223 |         MASTER-SAAO | P\\ |   180 | 15.7 |        
    1223 |         MASTER-SAAO |  P/ |   180 | 16.0 |        
    1434 |         MASTER-SAAO | P\\ |   180 | 15.2 |        
    1434 |         MASTER-SAAO |  P/ |   180 | 15.4 |        
    1645 |         MASTER-SAAO | P\\ |   180 | 14.7 |        
    1645 |         MASTER-SAAO |  P/ |   180 | 15.4 |        
    1857 |         MASTER-SAAO | P\\ |   180 | 14.7 |        
    1857 |         MASTER-SAAO |  P/ |   180 | 15.3 |        
    2068 |         MASTER-SAAO | P\\ |   180 | 14.6 |        
    2068 |         MASTER-SAAO |  P/ |   180 | 15.2 |        
    2279 |         MASTER-SAAO | P\\ |   180 | 14.4 |        
    2279 |         MASTER-SAAO |  P/ |   180 | 15.2 |        
    2491 |         MASTER-SAAO | P\\ |   180 | 12.8 |        
    2491 |         MASTER-SAAO |  P/ |   180 | 14.8 |        
    2702 |         MASTER-SAAO | P\\ |   180 | 12.7 |        
    2702 |         MASTER-SAAO |  P/ |   180 | 14.8 |        
    2915 |         MASTER-SAAO |  P/ |   180 | 14.7 |        
    3126 |         MASTER-SAAO |  P/ |   180 | 14.7 |        


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



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

  ID = 7901
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 GRB230311.84 (trigger No 1159439,05h 34m 03.41s , +22d 14m 11.4s, R=0.05) errorbox  105 sec after notice time and 188 sec after trigger time at 2023-03-11 20:11:17 UT, with upper limit up to  16.8 mag. The observations began at zenith distance = 72 deg. The sun  altitude  is -38.3 deg. 

The galactic latitude b = -5 deg., longitude l = 185 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2203810

We obtain a following upper limits.  

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

     209 |         MASTER-SAAO | P\\ |    40 | 16.4 |        
     209 |         MASTER-SAAO |  P/ |    40 | 16.7 |        
     275 |         MASTER-SAAO | P\\ |    50 | 16.1 |        
     275 |         MASTER-SAAO |  P/ |    50 | 16.4 |        
     341 |         MASTER-SAAO | P\\ |    60 | 16.5 |        
     341 |         MASTER-SAAO |  P/ |    60 | 16.8 |        


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



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

  ID = 7900
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 GRB230311.84 (trigger No 1159439,05h 34m 03.41s , +22d 14m 11.4s, R=0.05) errorbox  105 sec after notice time and 188 sec after trigger time at 2023-03-11 20:11:17 UT, with upper limit up to  16.8 mag. The observations began at zenith distance = 72 deg. The sun  altitude  is -38.3 deg. 

The galactic latitude b = -5 deg., longitude l = 185 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2203810

We obtain a following upper limits.  

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

     209 |         MASTER-SAAO | P\\ |    40 | 16.4 |        
     209 |         MASTER-SAAO |  P/ |    40 | 16.7 |        
     275 |         MASTER-SAAO | P\\ |    50 | 16.1 |        
     275 |         MASTER-SAAO |  P/ |    50 | 16.4 |        
     341 |         MASTER-SAAO | P\\ |    60 | 16.5 |        
     341 |         MASTER-SAAO |  P/ |    60 | 16.8 |        


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



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

  ID = 7899
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 GRB230311.84 (trigger No 1159439,05h 34m 03.41s , +22d 14m 11.4s, R=0.05) errorbox  105 sec after notice time and 188 sec after trigger time at 2023-03-11 20:11:17 UT, with upper limit up to  16.8 mag. The observations began at zenith distance = 72 deg. The sun  altitude  is -38.3 deg. 

The galactic latitude b = -5 deg., longitude l = 185 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2203810

We obtain a following upper limits.  

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

     209 |         MASTER-SAAO | P\\ |    40 | 16.4 |        
     209 |         MASTER-SAAO |  P/ |    40 | 16.7 |        
     275 |         MASTER-SAAO | P\\ |    50 | 16.1 |        
     275 |         MASTER-SAAO |  P/ |    50 | 16.4 |        
     341 |         MASTER-SAAO | P\\ |    60 | 16.5 |        
     341 |         MASTER-SAAO |  P/ |    60 | 16.8 |        


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

MASTER, 2002-2024