MASTER Net MASTER Database: GRB230816.67 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 GRB230816.67
Trignum 1185673
Trigger time 2023-08-16 16:08:48.29
Notice time 2023-08-16 16:09:20.477588
Coord, eb (21h 53m 29.98s , +37d 49m 42.6s) , 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You are viewing outdated information, relevant error box is here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
2255019 2023-08-16 16:25:46.471933 21h 53m 46.92s +37d 51m 19.8s ANTARES 0.000527778 1185673
2255000 2023-08-16 16:10:54.447204 21h 53m 33.50s +37d 50m 04.6s SWIFT 0 alert 1185673 6 68 alert
2255017 2023-08-16 16:21:29.56415 21h 53m 46.80s +37d 51m 18.0s SWIFT 0.0005 alert 1185673 5 67 alert
2254998 2023-08-16 16:09:20.477588 21h 53m 29.98s +37d 49m 42.6s SWIFT 0.05 alert 1185673 2 61 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

2023-08-16 16:08:48 (JD 2460173.172778)

Siderial time 16.307656 h

Ra 21:53:29.98 Dec 37:49:42.60
(328.374917d, 37.828500d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: 76.77 Azimuth: 21.54

Sun: Altitude: -25.42 Azimuth: 189.60

Moon: Altitude: -22.64 Azimuth: 184.69

Tunka

Object: Altitude: 71.02 Azimuth: 310.26

Sun: Altitude: -23.04 Azimuth: 163.62

Moon: Altitude: -19.11 Azimuth: 159.84

Kislovodsk

Object: Altitude: 32.30 Azimuth: 246.47

Sun: Altitude: -0.26 Azimuth: 109.52

Moon: Altitude: 4.96 Azimuth: 108.74

Tavrida

Object: Altitude: 27.22 Azimuth: 242.54

Sun: Altitude: 5.86 Azimuth: 103.62

Moon: Altitude: 11.09 Azimuth: 102.90

SAAO

Object: Altitude: -26.79 Azimuth: 240.44

Sun: Altitude: -0.97 Azimuth: 105.75

Moon: Altitude: 0.81 Azimuth: 110.71

IAC

Object: Altitude: -13.01 Azimuth: 212.93

Sun: Altitude: 45.92 Azimuth: 80.38

Moon: Altitude: 51.10 Azimuth: 81.90

Argentina

Object: Altitude: -79.36 Azimuth: 127.41

Sun: Altitude: 43.79 Azimuth: 190.64

Moon: Altitude: 39.87 Azimuth: 195.39

Mexico

Object: Altitude: -5.88 Azimuth: 141.42

Sun: Altitude: 42.01 Azimuth: 279.68

Moon: Altitude: 39.75 Azimuth: 273.37

Ural

Object: Altitude: 45.84 Azimuth: 268.28

Sun: Altitude: -4.14 Azimuth: 123.40

Moon: Altitude: 0.65 Azimuth: 121.17

Vostryakovo

Object: Altitude: 33.71 Azimuth: 250.65

Sun: Altitude: 6.16 Azimuth: 105.38

Moon: Altitude: 11.16 Azimuth: 103.67

Gal. latitude: -12.900044 Gal. longitude: 88.832760

Dist. to Sun: 128.322841

Dist. to Moon: 125.229248

Moon coord.: (149.960283 d, 16.921960 d)

Sun coord.: (145.559281 d, 13.780994 d)

Lunar disk: 0.002140

Lunar phase: 174.697021

Lunar bright limb: 234.189196

No SN in this field

2023-08-16 16:09:20 (JD 2460173.173148)

Siderial time 16.316569 h

Ra 21:53:29.98 Dec 37:49:42.60
(328.374917d, 37.828500d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: 76.74 Azimuth: 21.98

Sun: Altitude: -25.41 Azimuth: 189.74

Moon: Altitude: -22.64 Azimuth: 184.82

Tunka

Object: Altitude: 71.09 Azimuth: 310.52

Sun: Altitude: -23.07 Azimuth: 163.76

Moon: Altitude: -19.14 Azimuth: 159.97

Kislovodsk

Object: Altitude: 32.39 Azimuth: 246.54

Sun: Altitude: -0.35 Azimuth: 109.61

Moon: Altitude: 4.87 Azimuth: 108.83

Tavrida

Object: Altitude: 27.31 Azimuth: 242.61

Sun: Altitude: 5.77 Azimuth: 103.71

Moon: Altitude: 11.00 Azimuth: 102.99

SAAO

Object: Altitude: -26.70 Azimuth: 240.40

Sun: Altitude: -1.08 Azimuth: 105.67

Moon: Altitude: 0.71 Azimuth: 110.64

IAC

Object: Altitude: -12.95 Azimuth: 213.02

Sun: Altitude: 45.80 Azimuth: 80.46

Moon: Altitude: 50.99 Azimuth: 81.98

Argentina

Object: Altitude: -79.45 Azimuth: 127.71

Sun: Altitude: 43.81 Azimuth: 190.47

Moon: Altitude: 39.90 Azimuth: 195.23

Mexico

Object: Altitude: -5.95 Azimuth: 141.49

Sun: Altitude: 42.13 Azimuth: 279.77

Moon: Altitude: 39.86 Azimuth: 273.45

Ural

Object: Altitude: 45.91 Azimuth: 268.39

Sun: Altitude: -4.20 Azimuth: 123.51

Moon: Altitude: 0.59 Azimuth: 121.27

Vostryakovo

Object: Altitude: 33.78 Azimuth: 250.74

Sun: Altitude: 6.09 Azimuth: 105.49

Moon: Altitude: 11.09 Azimuth: 103.77

Gal. latitude: -12.900044 Gal. longitude: 88.832760

Dist. to Sun: 128.322974

Dist. to Moon: 125.230829

Moon coord.: (149.964505 d, 16.920271 d)

Sun coord.: (145.559627 d, 13.780877 d)

Lunar disk: 0.002142

Lunar phase: 174.694939

Lunar bright limb: 234.227625

No SN in this field

2023-08-16 17:09:20 (JD 2460173.214815)

Siderial time 17.319307 h

Ra 21:53:29.98 Dec 37:49:42.60
(328.374917d, 37.828500d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: 70.38 Azimuth: 58.62

Sun: Altitude: -22.53 Azimuth: 205.38

Moon: Altitude: -20.85 Azimuth: 199.71

Tunka

Object: Altitude: 75.85 Azimuth: 349.82

Sun: Altitude: -24.42 Azimuth: 179.62

Moon: Altitude: -21.31 Azimuth: 174.65

Kislovodsk

Object: Altitude: 42.61 Azimuth: 254.16

Sun: Altitude: -10.17 Azimuth: 120.43

Moon: Altitude: -4.89 Azimuth: 118.80

Tavrida

Object: Altitude: 37.11 Azimuth: 250.54

Sun: Altitude: -4.31 Azimuth: 114.24

Moon: Altitude: 1.03 Azimuth: 112.80

SAAO

Object: Altitude: -15.95 Azimuth: 234.97

Sun: Altitude: -13.47 Azimuth: 97.93

Moon: Altitude: -10.96 Azimuth: 102.97

IAC

Object: Altitude: -4.88 Azimuth: 221.83

Sun: Altitude: 32.66 Azimuth: 88.62

Moon: Altitude: 38.13 Azimuth: 89.60

Argentina

Object: Altitude: -82.95 Azimuth: 210.09

Sun: Altitude: 43.90 Azimuth: 170.21

Moon: Altitude: 41.41 Azimuth: 176.93

Mexico

Object: Altitude: -13.12 Azimuth: 151.09

Sun: Altitude: 54.50 Azimuth: 291.45

Moon: Altitude: 52.11 Azimuth: 283.10

Ural

Object: Altitude: 54.05 Azimuth: 281.90

Sun: Altitude: -10.44 Azimuth: 136.79

Moon: Altitude: -5.87 Azimuth: 133.65

Vostryakovo

Object: Altitude: 42.06 Azimuth: 261.55

Sun: Altitude: -1.83 Azimuth: 117.74

Moon: Altitude: 3.15 Azimuth: 115.33

Gal. latitude: -12.900044 Gal. longitude: 88.832760

Dist. to Sun: 128.337966

Dist. to Moon: 125.407323

Moon coord.: (150.438997 d, 16.729668 d)

Sun coord.: (145.598596 d, 13.767729 d)

Lunar disk: 0.002346

Lunar phase: 174.447083

Lunar bright limb: 238.362864

No SN in this field

2025-05-09 08:41:18 (JD 2460804.862014)

Siderial time 2.357512 h

Ra 21:53:29.98 Dec 37:49:42.60
(328.374917d, 37.828500d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: 0.47 Azimuth: 161.91

Sun: Altitude: 20.21 Azimuth: 93.13

Moon: Altitude: 10.40 Azimuth: 293.11

Tunka

Object: Altitude: 8.77 Azimuth: 143.85

Sun: Altitude: 35.18 Azimuth: 72.23

Moon: Altitude: -4.80 Azimuth: 273.90

Kislovodsk

Object: Altitude: 36.97 Azimuth: 110.00

Sun: Altitude: 63.16 Azimuth: 347.44

Moon: Altitude: -44.37 Azimuth: 223.29

Tavrida

Object: Altitude: 43.08 Azimuth: 104.81

Sun: Altitude: 60.09 Azimuth: 331.55

Moon: Altitude: -47.31 Azimuth: 211.76

SAAO

Object: Altitude: 5.66 Azimuth: 142.44

Sun: Altitude: 33.66 Azimuth: 212.11

Moon: Altitude: -50.73 Azimuth: 347.64

IAC

Object: Altitude: 75.64 Azimuth: 134.86

Sun: Altitude: 29.84 Azimuth: 265.29

Moon: Altitude: -54.39 Azimuth: 122.81

Argentina

Object: Altitude: 11.03 Azimuth: 211.12

Sun: Altitude: -32.35 Azimuth: 268.67

Moon: Altitude: -3.23 Azimuth: 80.68

Mexico

Object: Altitude: 24.96 Azimuth: 239.38

Sun: Altitude: -37.47 Azimuth: 205.76

Moon: Altitude: 24.39 Azimuth: 65.74

Ural

Object: Altitude: 31.52 Azimuth: 112.13

Sun: Altitude: 49.47 Azimuth: 16.45

Moon: Altitude: -27.53 Azimuth: 234.50

Vostryakovo

Object: Altitude: 42.75 Azimuth: 97.54

Sun: Altitude: 51.14 Azimuth: 343.72

Moon: Altitude: -36.95 Azimuth: 211.50

Gal. latitude: -12.900044 Gal. longitude: 88.832760

Dist. to Sun: 69.972043

Dist. to Moon: 130.267932

Moon coord.: (190.724263 d, -6.179201 d)

Sun coord.: (46.172250 d, 17.374923 d)

Lunar disk: 0.903066

Lunar phase: 36.280311

Lunar bright limb: 291.070919

No SN in this field
Recent coverage and limits telegrams

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

  ID = 8696
TYPE = 35
DAYS = 1


MASTER-Tunka robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Applied Physics Institute, Irkutsk State University) was pointed to the SWIFT GRB 230816A ( M. H. Siegel et al., GCN 34450) errorbox  2108 sec after notice time and 2130 sec after trigger time at 2023-08-16 16:44:18 UT, with upper limit up to  19.6 mag. The observations began at zenith distance = 15 deg. The sun  altitude  is -25.0 deg. 

MASTER-Tavrida robotic telescope  located in Russia (Lomonosov MSU, SAI Crimea astronomical station) was pointed to the SWIFT GRB 230816A errorbox  6586 sec after notice time and 6608 sec after trigger time at 2023-08-16 17:58:56 UT, with upper limit up to  20.2 mag. Observations started at twilight.  The observations began at zenith distance = 44 deg. The sun  altitude  is -12.4 deg. 

MASTER-Kislovodsk robotic telescope  located in Russia (Lomonosov MSU, Kislovodsk Solar Station of Pulkovo observatory) was pointed to the SWIFT GRB 230816A errorbox  16533 sec after notice time and 16555 sec after trigger time at 2023-08-16 20:44:44 UT, with upper limit up to  19.1 mag. The observations began at zenith distance =  9 deg. The sun  altitude  is -32.9 deg. 

MASTER-SAAO robotic telescope  located in South Africa (South African Astronomical Observatory) was pointed to the SWIFT GRB 230816A errorbox  23354 sec after notice time and 23376 sec after trigger time at 2023-08-16 22:38:24 UT, with upper limit up to  13.6 mag. The observations began at zenith distance = 70 deg. The sun  altitude  is -71.7 deg. 

The galactic latitude b = -13 deg., longitude l = 89 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2254995

We obtain a following upper limits.  

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

    2220 |        MASTER-Tunka |   C |   180 | 17.2 |        
    2220 |        MASTER-Tunka |   C |   180 | 15.4 |        
    2426 |        MASTER-Tunka |   C |   180 | 17.3 |        
    2427 |        MASTER-Tunka |   C |   180 | 15.3 |        
    2632 |        MASTER-Tunka |   C |   180 | 16.8 |        
    2632 |        MASTER-Tunka |   C |   180 | 15.0 |        
    2836 |        MASTER-Tunka |   C |   180 | 17.1 |        
    2837 |        MASTER-Tunka |   C |   180 | 15.1 |        
    6698 |      MASTER-Tavrida |   C |   180 | 17.9 |        
    6968 |      MASTER-Tavrida |   C |   720 | 19.2 |  Coadd 
    6892 |      MASTER-Tavrida |   C |   180 | 18.4 |        
    7079 |      MASTER-Tavrida |   C |   180 | 18.5 |        
    8339 |      MASTER-Tavrida |   C |  2700 | 20.2 |  Coadd 
    7268 |      MASTER-Tavrida |   C |   180 | 18.6 |        
    7457 |      MASTER-Tavrida |   C |   180 | 18.6 |        
    7648 |      MASTER-Tavrida |   C |   180 | 18.6 |        
    7836 |      MASTER-Tavrida |   C |   180 | 18.8 |        
    8024 |      MASTER-Tavrida |   C |   180 | 18.9 |        
    8215 |      MASTER-Tavrida |   C |   180 | 18.9 |        
    8402 |      MASTER-Tavrida |   C |   180 | 18.8 |        
    8590 |      MASTER-Tavrida |   C |   180 | 19.0 |        
    8780 |      MASTER-Tavrida |   C |   180 | 19.0 |        
    8969 |      MASTER-Tavrida |   C |   180 | 19.1 |        
    9159 |      MASTER-Tavrida |   C |   180 | 19.1 |        
    9349 |      MASTER-Tavrida |   C |   180 | 19.1 |        
    9538 |      MASTER-Tavrida |   C |   180 | 19.2 |        
    9729 |      MASTER-Tavrida |   C |   180 | 19.3 |        
    9919 |      MASTER-Tavrida |   C |   180 | 19.2 |        
   10109 |      MASTER-Tavrida |   C |   180 | 19.2 |        
   10299 |      MASTER-Tavrida |   C |   180 | 19.2 |        
   10497 |      MASTER-Tavrida |   C |   180 | 19.3 |        
   10687 |      MASTER-Tavrida |   C |   180 | 19.3 |        
   10876 |      MASTER-Tavrida |   C |   180 | 19.4 |        
   16646 |   MASTER-Kislovodsk |   C |   180 | 16.4 |        
   16846 |   MASTER-Kislovodsk |   C |   180 | 17.6 |        
   17047 |   MASTER-Kislovodsk |   C |   180 | 17.2 |        
   17247 |   MASTER-Kislovodsk |   C |   180 | 17.1 |        
   17448 |   MASTER-Kislovodsk |   C |   180 | 17.6 |        
   17648 |   MASTER-Kislovodsk |   C |   180 | 17.1 |        
   17849 |   MASTER-Kislovodsk |   C |   180 | 16.7 |        
   19158 |   MASTER-Kislovodsk |   C |   180 | 17.6 |        
   19158 |   MASTER-Kislovodsk |   C |   180 | 17.8 |        
   21893 |   MASTER-Kislovodsk |   C |   180 | 17.0 |        
   21893 |   MASTER-Kislovodsk |   C |   180 | 17.9 |        
   23224 |   MASTER-Kislovodsk |   C |   180 | 17.9 |        
   23224 |   MASTER-Kislovodsk |   C |   180 | 16.6 |        
   23467 |         MASTER-SAAO |   C |   180 | 13.6 |        
   24426 |   MASTER-Kislovodsk |   C |   180 | 17.7 |        
   24426 |   MASTER-Kislovodsk |   C |   180 | 15.6 |        
   25640 |   MASTER-Kislovodsk |   C |   180 | 18.5 |        
   25640 |   MASTER-Kislovodsk |   C |   180 | 19.0 |        
   26872 |   MASTER-Kislovodsk |   C |   180 | 18.4 |        
   26872 |   MASTER-Kislovodsk |   C |   180 | 19.1 |        
   28133 |   MASTER-Kislovodsk |   C |   180 | 18.0 |        
   28133 |   MASTER-Kislovodsk |   C |   180 | 18.6 |        
   29352 |   MASTER-Kislovodsk |   C |   180 | 18.6 |        
   29352 |   MASTER-Kislovodsk |   C |   180 | 18.0 |        
   30708 |   MASTER-Kislovodsk |   C |   180 | 18.0 |        
   30708 |   MASTER-Kislovodsk |   C |   180 | 18.5 |        
   31934 |   MASTER-Kislovodsk |   C |   180 | 18.3 |        
   31934 |   MASTER-Kislovodsk |   C |   180 | 17.8 |        
   33395 |   MASTER-Kislovodsk |   C |   180 | 15.1 |        
   76790 |        MASTER-Tunka |   C |     5 | 16.0 |        
   76790 |        MASTER-Tunka |   C |     5 | 15.1 |        
   76819 |        MASTER-Tunka |   C |     5 | 16.1 |        
   76820 |        MASTER-Tunka |   C |     5 | 14.7 |        
   78595 |        MASTER-Tunka |   C |    20 | 18.0 |        
   78596 |        MASTER-Tunka |   C |    20 | 14.9 |        
   78645 |        MASTER-Tunka |   C |    30 | 18.3 |        
   78646 |        MASTER-Tunka |   C |    30 | 14.4 |        
   79965 |        MASTER-Tunka |   C |    90 | 19.5 |        
   79965 |        MASTER-Tunka |   C |    90 | 13.7 |        
   80078 |        MASTER-Tunka |   C |    90 | 19.5 |        
   80079 |        MASTER-Tunka |   C |    90 | 13.8 |        
   81215 |        MASTER-Tunka |   C |    90 | 19.6 |        
   81215 |        MASTER-Tunka |   C |    90 | 13.6 |        
   81330 |        MASTER-Tunka |   C |    90 | 19.6 |        
   81331 |        MASTER-Tunka |   C |    90 | 13.7 |        
   82572 |        MASTER-Tunka |   C |    90 | 18.9 |        
   82573 |        MASTER-Tunka |   C |    90 | 14.8 |        
   82688 |        MASTER-Tunka |   C |    90 | 19.0 |        
   82688 |        MASTER-Tunka |   C |    90 | 13.8 |        
   85143 |        MASTER-Tunka |   C |   180 | 18.8 |        
   85143 |        MASTER-Tunka |   C |   180 | 14.5 |        
   85349 |        MASTER-Tunka |   C |   180 | 18.6 |        
   85349 |        MASTER-Tunka |   C |   180 | 14.5 |        
   86320 |        MASTER-Tunka |   C |   180 | 17.5 |        
   86320 |        MASTER-Tunka |   C |   180 | 14.4 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 8691
TYPE = 35
DAYS = 0.5


MASTER-Tunka robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Applied Physics Institute, Irkutsk State University) was pointed to the SWIFT GRB 230816A ( M. H. Siegel et al., GCN 34450) errorbox  2108 sec after notice time and 2130 sec after trigger time at 2023-08-16 16:44:18 UT, with upper limit up to  17.3 mag. The observations began at zenith distance = 15 deg. The sun  altitude  is -25.0 deg. 

MASTER-Tavrida robotic telescope  located in Russia (Lomonosov MSU, SAI Crimea astronomical station) was pointed to the SWIFT GRB 230816A errorbox  6586 sec after notice time and 6608 sec after trigger time at 2023-08-16 17:58:56 UT, with upper limit up to  20.2 mag. Observations started at twilight.  The observations began at zenith distance = 44 deg. The sun  altitude  is -12.4 deg. 

MASTER-Kislovodsk robotic telescope  located in Russia (Lomonosov MSU, Kislovodsk Solar Station of Pulkovo observatory) was pointed to the SWIFT GRB 230816A errorbox  16533 sec after notice time and 16555 sec after trigger time at 2023-08-16 20:44:44 UT, with upper limit up to  19.1 mag. The observations began at zenith distance =  9 deg. The sun  altitude  is -32.9 deg. 

The galactic latitude b = -13 deg., longitude l = 89 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2254995

We obtain a following upper limits.  

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

    2220 |        MASTER-Tunka |   C |   180 | 17.2 |        
    2426 |        MASTER-Tunka |   C |   180 | 17.3 |        
    2632 |        MASTER-Tunka |   C |   180 | 16.8 |        
    2836 |        MASTER-Tunka |   C |   180 | 17.1 |        
    6698 |      MASTER-Tavrida |   C |   180 | 17.9 |        
    6968 |      MASTER-Tavrida |   C |   720 | 19.2 |  Coadd 
    6892 |      MASTER-Tavrida |   C |   180 | 18.4 |        
    7079 |      MASTER-Tavrida |   C |   180 | 18.5 |        
    8339 |      MASTER-Tavrida |   C |  2700 | 20.2 |  Coadd 
    7268 |      MASTER-Tavrida |   C |   180 | 18.6 |        
    7457 |      MASTER-Tavrida |   C |   180 | 18.6 |        
    7648 |      MASTER-Tavrida |   C |   180 | 18.6 |        
    7836 |      MASTER-Tavrida |   C |   180 | 18.8 |        
    8024 |      MASTER-Tavrida |   C |   180 | 18.9 |        
    8215 |      MASTER-Tavrida |   C |   180 | 18.9 |        
    8402 |      MASTER-Tavrida |   C |   180 | 18.8 |        
    8590 |      MASTER-Tavrida |   C |   180 | 19.0 |        
    8780 |      MASTER-Tavrida |   C |   180 | 19.0 |        
    8969 |      MASTER-Tavrida |   C |   180 | 19.1 |        
    9159 |      MASTER-Tavrida |   C |   180 | 19.1 |        
    9349 |      MASTER-Tavrida |   C |   180 | 19.1 |        
    9538 |      MASTER-Tavrida |   C |   180 | 19.2 |        
    9729 |      MASTER-Tavrida |   C |   180 | 19.3 |        
    9919 |      MASTER-Tavrida |   C |   180 | 19.2 |        
   10109 |      MASTER-Tavrida |   C |   180 | 19.2 |        
   10299 |      MASTER-Tavrida |   C |   180 | 19.2 |        
   10497 |      MASTER-Tavrida |   C |   180 | 19.3 |        
   10687 |      MASTER-Tavrida |   C |   180 | 19.3 |        
   10876 |      MASTER-Tavrida |   C |   180 | 19.4 |        
   16646 |   MASTER-Kislovodsk |   C |   180 | 16.4 |        
   16846 |   MASTER-Kislovodsk |   C |   180 | 17.6 |        
   17047 |   MASTER-Kislovodsk |   C |   180 | 17.2 |        
   17247 |   MASTER-Kislovodsk |   C |   180 | 17.1 |        
   17448 |   MASTER-Kislovodsk |   C |   180 | 17.6 |        
   17648 |   MASTER-Kislovodsk |   C |   180 | 17.1 |        
   17849 |   MASTER-Kislovodsk |   C |   180 | 16.7 |        
   19158 |   MASTER-Kislovodsk |   C |   180 | 17.6 |        
   19158 |   MASTER-Kislovodsk |   C |   180 | 17.8 |        
   21893 |   MASTER-Kislovodsk |   C |   180 | 17.0 |        
   21893 |   MASTER-Kislovodsk |   C |   180 | 17.9 |        
   23224 |   MASTER-Kislovodsk |   C |   180 | 17.9 |        
   23224 |   MASTER-Kislovodsk |   C |   180 | 16.6 |        
   24426 |   MASTER-Kislovodsk |   C |   180 | 17.7 |        
   24426 |   MASTER-Kislovodsk |   C |   180 | 15.6 |        
   25640 |   MASTER-Kislovodsk |   C |   180 | 18.5 |        
   25640 |   MASTER-Kislovodsk |   C |   180 | 19.0 |        
   26872 |   MASTER-Kislovodsk |   C |   180 | 18.4 |        
   26872 |   MASTER-Kislovodsk |   C |   180 | 19.1 |        
   28133 |   MASTER-Kislovodsk |   C |   180 | 18.0 |        
   28133 |   MASTER-Kislovodsk |   C |   180 | 18.6 |        
   29352 |   MASTER-Kislovodsk |   C |   180 | 18.6 |        
   29352 |   MASTER-Kislovodsk |   C |   180 | 18.0 |        
   30708 |   MASTER-Kislovodsk |   C |   180 | 18.0 |        
   30708 |   MASTER-Kislovodsk |   C |   180 | 18.5 |        
   31934 |   MASTER-Kislovodsk |   C |   180 | 18.3 |        
   31934 |   MASTER-Kislovodsk |   C |   180 | 17.8 |        
   33395 |   MASTER-Kislovodsk |   C |   180 | 15.1 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 8689
TYPE = 35
DAYS = 0.1


MASTER-Tunka robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Applied Physics Institute, Irkutsk State University) was pointed to the SWIFT GRB 230816A ( M. H. Siegel et al., GCN 34450) errorbox  2108 sec after notice time and 2130 sec after trigger time at 2023-08-16 16:44:18 UT, with upper limit up to  17.3 mag. The observations began at zenith distance = 15 deg. The sun  altitude  is -25.0 deg. 

MASTER-Tavrida robotic telescope  located in Russia (Lomonosov MSU, SAI Crimea astronomical station) was pointed to the SWIFT GRB 230816A errorbox  6586 sec after notice time and 6608 sec after trigger time at 2023-08-16 17:58:56 UT, with upper limit up to  20.2 mag. Observations started at twilight.  The observations began at zenith distance = 44 deg. The sun  altitude  is -12.4 deg. 

The galactic latitude b = -13 deg., longitude l = 89 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2254995

We obtain a following upper limits.  

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

    2220 |        MASTER-Tunka |   C |   180 | 17.2 |        
    2426 |        MASTER-Tunka |   C |   180 | 17.3 |        
    2632 |        MASTER-Tunka |   C |   180 | 16.8 |        
    2836 |        MASTER-Tunka |   C |   180 | 17.1 |        
    6698 |      MASTER-Tavrida |   C |   180 | 17.9 |        
    6968 |      MASTER-Tavrida |   C |   720 | 19.2 |  Coadd 
    6892 |      MASTER-Tavrida |   C |   180 | 18.4 |        
    7079 |      MASTER-Tavrida |   C |   180 | 18.5 |        
    8339 |      MASTER-Tavrida |   C |  2700 | 20.2 |  Coadd 
    7268 |      MASTER-Tavrida |   C |   180 | 18.6 |        
    7457 |      MASTER-Tavrida |   C |   180 | 18.6 |        
    7648 |      MASTER-Tavrida |   C |   180 | 18.6 |        
    7836 |      MASTER-Tavrida |   C |   180 | 18.8 |        
    8024 |      MASTER-Tavrida |   C |   180 | 18.9 |        
    8215 |      MASTER-Tavrida |   C |   180 | 18.9 |        
    8402 |      MASTER-Tavrida |   C |   180 | 18.8 |        
    8590 |      MASTER-Tavrida |   C |   180 | 19.0 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 8684
TYPE = 35
DAYS = 0


MASTER-Tunka robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Applied Physics Institute, Irkutsk State University) was pointed to the SWIFT GRB230816.67 (trigger No 1185673,21h 53m 29.98s , +37d 49m 42.6s, R=0.05) errorbox  2108 sec after notice time and 2130 sec after trigger time at 2023-08-16 16:44:18 UT, with upper limit up to  17.2 mag. The observations began at zenith distance = 15 deg. The sun  altitude  is -25.0 deg. 

The galactic latitude b = -13 deg., longitude l = 89 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2254998

We obtain a following upper limits.  

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

    2220 |        MASTER-Tunka |   C |   180 | 17.2 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 8683
TYPE = 35
DAYS = 0


MASTER-Tunka robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Applied Physics Institute, Irkutsk State University) was pointed to the SWIFT GRB230816.67 (trigger No 1185673,21h 53m 29.98s , +37d 49m 42.6s, R=0.05) errorbox  2108 sec after notice time and 2130 sec after trigger time at 2023-08-16 16:44:18 UT, with upper limit up to  17.2 mag. The observations began at zenith distance = 15 deg. The sun  altitude  is -25.0 deg. 

The galactic latitude b = -13 deg., longitude l = 89 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2254998

We obtain a following upper limits.  

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

    2220 |        MASTER-Tunka |   C |   180 | 17.2 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 8682
TYPE = 34
DAYS = 0


MASTER-Tunka robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Applied Physics Institute, Irkutsk State University) was pointed to the SWIFT GRB230816.67 (trigger No 1185673,21h 53m 29.98s , +37d 49m 42.6s, R=0.05) errorbox  2108 sec after notice time and 2130 sec after trigger time at 2023-08-16 16:44:18 UT, with upper limit up to  17.2 mag. The observations began at zenith distance = 15 deg. The sun  altitude  is -25.0 deg. 

The galactic latitude b = -13 deg., longitude l = 89 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2254998

We obtain a following upper limits.  

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

    2220 |        MASTER-Tunka |   C |   180 | 17.2 |        
Filter C is a clear (unfiltred) band. 


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

MASTER, 2002-2025