MASTER Net MASTER Database: GRB230916.18 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 GRB230916.18
Trignum 1192252
Trigger time 2023-09-16 04:19:03.98
Notice time 2023-09-16 04:25:52.210276
Coord, eb (16h 18m 38.45s , -16d 36m 55.1s) , 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You are viewing outdated information, relevant error box is here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
2271255 2023-09-16 04:26:55.350168 16h 18m 29.42s -16d 37m 25.3s SWIFT 0 alert 1192252 7 69 alert
2271256 2023-09-16 04:27:04.46918 16h 18m 38.66s -16d 36m 38.9s SWIFT 0 alert 1192252 19 68 alert
2271254 2023-09-16 04:26:42.540454 16h 18m 29.42s -16d 37m 25.3s SWIFT 0.0013 alert 1192252 7 67 alert
2271253 2023-09-16 04:25:52.210276 16h 18m 38.45s -16d 36m 55.1s SWIFT 0.05 alert 1192252 10 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

2023-09-16 04:19:03 (JD 2460203.679896)

Siderial time 6.483107 h

Ra 16:18:38.45 Dec -16:36:55.10
(244.660208d, -16.615306d)

Rise 2023-09-16 12:47:07

Transit 2023-09-16 17:07:05

Set 2023-09-16 21:27:04

Amur

Object: Altitude: 6.21 Azimuth: 305.57

Sun: Altitude: 41.15 Azimuth: 18.42

Moon: Altitude: 39.31 Azimuth: 2.40

Tunka

Object: Altitude: -8.16 Azimuth: 286.56

Sun: Altitude: 40.27 Azimuth: 346.02

Moon: Altitude: 34.48 Azimuth: 332.26

Kislovodsk

Object: Altitude: -48.33 Azimuth: 241.31

Sun: Altitude: 15.52 Azimuth: 281.16

Moon: Altitude: 4.73 Azimuth: 275.04

Tavrida

Object: Altitude: -52.82 Azimuth: 230.21

Sun: Altitude: 9.35 Azimuth: 275.24

Moon: Altitude: -1.39 Azimuth: 269.12

SAAO

Object: Altitude: -38.73 Azimuth: 340.49

Sun: Altitude: -3.98 Azimuth: 269.11

Moon: Altitude: -12.28 Azimuth: 278.36

IAC

Object: Altitude: -66.98 Azimuth: 115.89

Sun: Altitude: -32.95 Azimuth: 245.35

Moon: Altitude: -44.27 Azimuth: 238.99

Argentina

Object: Altitude: -3.95 Azimuth: 67.66

Sun: Altitude: -60.94 Azimuth: 6.23

Moon: Altitude: -54.87 Azimuth: 26.64

Mexico

Object: Altitude: 11.82 Azimuth: 62.16

Sun: Altitude: -36.06 Azimuth: 120.74

Moon: Altitude: -28.82 Azimuth: 108.85

Ural

Object: Altitude: -32.86 Azimuth: 248.26

Sun: Altitude: 21.13 Azimuth: 299.78

Moon: Altitude: 12.44 Azimuth: 290.59

Vostryakovo

Object: Altitude: -43.87 Azimuth: 226.02

Sun: Altitude: 10.35 Azimuth: 280.06

Moon: Altitude: 0.95 Azimuth: 272.00

Gal. latitude: 22.790751 Gal. longitude: 358.448421

Dist. to Sun: 73.025370

Dist. to Moon: 60.696817

Moon coord.: (185.253486 d, -0.350617 d)

Sun coord.: (173.328497 d, 2.884011 d)

Lunar disk: 0.011619

Lunar phase: 167.623792

Lunar bright limb: 285.257837

No SN in this field

2023-09-16 04:25:52 (JD 2460203.684630)

Siderial time 6.597029 h

Ra 16:18:38.45 Dec -16:36:55.10
(244.660208d, -16.615306d)

Rise 2023-09-16 12:47:07

Transit 2023-09-16 17:07:05

Set 2023-09-16 21:27:04

Amur

Object: Altitude: 7.09 Azimuth: 306.96

Sun: Altitude: 40.79 Azimuth: 20.62

Moon: Altitude: 39.21 Azimuth: 4.54

Tunka

Object: Altitude: -7.15 Azimuth: 287.86

Sun: Altitude: 40.51 Azimuth: 348.24

Moon: Altitude: 34.92 Azimuth: 334.21

Kislovodsk

Object: Altitude: -47.24 Azimuth: 243.13

Sun: Altitude: 16.72 Azimuth: 282.41

Moon: Altitude: 5.91 Azimuth: 276.21

Tavrida

Object: Altitude: -51.87 Azimuth: 232.39

Sun: Altitude: 10.55 Azimuth: 276.46

Moon: Altitude: -0.23 Azimuth: 270.30

SAAO

Object: Altitude: -38.22 Azimuth: 338.50

Sun: Altitude: -2.54 Azimuth: 268.20

Moon: Altitude: -10.88 Azimuth: 277.46

IAC

Object: Altitude: -68.32 Azimuth: 118.37

Sun: Altitude: -31.58 Azimuth: 246.55

Moon: Altitude: -43.02 Azimuth: 240.51

Argentina

Object: Altitude: -5.29 Azimuth: 66.72

Sun: Altitude: -61.05 Azimuth: 2.73

Moon: Altitude: -55.45 Azimuth: 23.92

Mexico

Object: Altitude: 10.52 Azimuth: 63.17

Sun: Altitude: -37.31 Azimuth: 122.18

Moon: Altitude: -30.18 Azimuth: 109.95

Ural

Object: Altitude: -31.99 Azimuth: 249.90

Sun: Altitude: 21.92 Azimuth: 301.40

Moon: Altitude: 13.26 Azimuth: 292.07

Vostryakovo

Object: Altitude: -43.16 Azimuth: 228.06

Sun: Altitude: 11.30 Azimuth: 281.49

Moon: Altitude: 1.87 Azimuth: 273.38

Gal. latitude: 22.790751 Gal. longitude: 358.448421

Dist. to Sun: 73.020772

Dist. to Moon: 60.640346

Moon coord.: (185.303899 d, -0.377696 d)

Sun coord.: (173.332742 d, 2.882188 d)

Lunar disk: 0.011716

Lunar phase: 167.572464

Lunar bright limb: 285.312897

No SN in this field

2023-09-16 05:25:52 (JD 2460203.726296)

Siderial time 7.599767 h

Ra 16:18:38.45 Dec -16:36:55.10
(244.660208d, -16.615306d)

Rise 2023-09-16 12:47:07

Transit 2023-09-16 17:07:05

Set 2023-09-16 21:27:04

Amur

Object: Altitude: 14.07 Azimuth: 319.80

Sun: Altitude: 36.02 Azimuth: 38.79

Moon: Altitude: 36.77 Azimuth: 22.84

Tunka

Object: Altitude: 1.35 Azimuth: 299.52

Sun: Altitude: 40.79 Azimuth: 8.03

Moon: Altitude: 37.30 Azimuth: 352.07

Kislovodsk

Object: Altitude: -37.03 Azimuth: 256.92

Sun: Altitude: 26.99 Azimuth: 294.20

Moon: Altitude: 16.06 Azimuth: 286.92

Tavrida

Object: Altitude: -42.56 Azimuth: 248.70

Sun: Altitude: 20.95 Azimuth: 287.70

Moon: Altitude: 9.91 Azimuth: 280.86

SAAO

Object: Altitude: -31.95 Azimuth: 322.61

Sun: Altitude: 10.06 Azimuth: 260.06

Moon: Altitude: 1.55 Azimuth: 269.75

IAC

Object: Altitude: -77.51 Azimuth: 158.28

Sun: Altitude: -19.08 Azimuth: 255.74

Moon: Altitude: -31.41 Azimuth: 251.67

Argentina

Object: Altitude: -16.59 Azimuth: 57.60

Sun: Altitude: -58.33 Azimuth: 333.26

Moon: Altitude: -57.56 Azimuth: 357.57

Mexico

Object: Altitude: -1.36 Azimuth: 71.37

Sun: Altitude: -47.22 Azimuth: 137.45

Moon: Altitude: -41.62 Azimuth: 121.20

Ural

Object: Altitude: -24.04 Azimuth: 263.54

Sun: Altitude: 28.25 Azimuth: 316.41

Moon: Altitude: 20.00 Azimuth: 305.60

Vostryakovo

Object: Altitude: -36.06 Azimuth: 244.39

Sun: Altitude: 19.38 Azimuth: 294.60

Moon: Altitude: 9.84 Azimuth: 285.69

Gal. latitude: 22.790751 Gal. longitude: 358.448421

Dist. to Sun: 72.980301

Dist. to Moon: 60.143207

Moon coord.: (185.747758 d, -0.616093 d)

Sun coord.: (173.370105 d, 2.866134 d)

Lunar disk: 0.012580

Lunar phase: 167.120069

Lunar bright limb: 285.777448

No SN in this field

2025-01-15 09:36:50 (JD 2460690.900579)

Siderial time 19.794681 h

Ra 16:18:38.45 Dec -16:36:55.10
(244.660208d, -16.615306d)

Rise 2025-01-15 04:48:24

Transit 2025-01-15 09:08:22

Set 2025-01-15 13:28:20

Amur

Object: Altitude: -44.67 Azimuth: 124.18

Sun: Altitude: -15.90 Azimuth: 75.93

Moon: Altitude: 3.74 Azimuth: 242.09

Tunka

Object: Altitude: -30.01 Azimuth: 101.55

Sun: Altitude: -2.40 Azimuth: 58.00

Moon: Altitude: -7.49 Azimuth: 222.64

Kislovodsk

Object: Altitude: 10.23 Azimuth: 54.90

Sun: Altitude: 25.00 Azimuth: 4.87

Moon: Altitude: -24.44 Azimuth: 164.77

Tavrida

Object: Altitude: 14.39 Azimuth: 47.96

Sun: Altitude: 24.07 Azimuth: 356.14

Moon: Altitude: -21.50 Azimuth: 156.53

SAAO

Object: Altitude: 54.33 Azimuth: 107.62

Sun: Altitude: 71.15 Azimuth: 237.49

Moon: Altitude: -55.39 Azimuth: 78.91

IAC

Object: Altitude: 45.05 Azimuth: 357.47

Sun: Altitude: 17.97 Azimuth: 307.21

Moon: Altitude: -3.72 Azimuth: 115.57

Argentina

Object: Altitude: 38.42 Azimuth: 266.42

Sun: Altitude: -2.50 Azimuth: 296.82

Moon: Altitude: 16.96 Azimuth: 128.15

Mexico

Object: Altitude: -13.28 Azimuth: 281.59

Sun: Altitude: -59.87 Azimuth: 258.48

Moon: Altitude: 74.64 Azimuth: 48.98

Ural

Object: Altitude: -5.61 Azimuth: 67.88

Sun: Altitude: 9.74 Azimuth: 20.53

Moon: Altitude: -12.55 Azimuth: 182.15

Vostryakovo

Object: Altitude: 5.53 Azimuth: 49.76

Sun: Altitude: 13.51 Azimuth: 0.02

Moon: Altitude: -12.43 Azimuth: 161.32

Gal. latitude: 22.790751 Gal. longitude: 358.448421

Dist. to Sun: 49.608921

Dist. to Moon: 112.211457

Moon coord.: (136.604372 d, 20.392598 d)

Sun coord.: (297.094112 d, -21.112391 d)

Lunar disk: 0.974997

Lunar phase: 18.196107

Lunar bright limb: 95.894086

No SN in this field

Recent coverage and limits telegrams

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

  ID = 8916
TYPE = 35
DAYS = 1


MASTER-OAFA robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Argentina (OAFA observatory of San Juan National University) was pointed to the SWIFT GRB230916.18 (trigger No 1192252,16h 18m 38.45s , -16d 36m 55.1s, R=0.05) errorbox  68664 sec after notice time and 69073 sec after trigger time at 2023-09-16 23:30:16 UT, with upper limit up to  18.8 mag. Observations started at twilight.  The observations began at zenith distance = 35 deg. The sun  altitude  is -14.3 deg. 

The galactic latitude b = 23 deg., longitude l = 358 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2271253

We obtain a following upper limits.  

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

   69163 |         MASTER-OAFA |   C |   180 | 18.4 |        
   70366 |         MASTER-OAFA |   C |   180 | 18.6 |        
   71574 |         MASTER-OAFA |   C |   180 | 18.8 |        
   72783 |         MASTER-OAFA |   C |   180 | 18.6 |        
   73596 |         MASTER-OAFA |   C |   180 | 18.4 |        
   73995 |         MASTER-OAFA |   C |   180 | 18.6 |        
   75206 |         MASTER-OAFA |   C |   180 | 18.5 |        
   76410 |         MASTER-OAFA |   C |   180 | 18.3 |        
   77615 |         MASTER-OAFA |   C |   180 | 18.0 |        
   78843 |         MASTER-OAFA |   C |   180 | 17.9 |        
   80048 |         MASTER-OAFA |   C |   180 | 18.3 |        
   81106 |         MASTER-OAFA |   C |   180 | 18.1 |        
   81286 |         MASTER-OAFA |   C |   540 | 18.2 |  Coadd 
   81306 |         MASTER-OAFA |   C |   180 | 18.1 |        
   82314 |         MASTER-OAFA |   C |   180 | 17.6 |        
   82526 |         MASTER-OAFA |   C |   180 | 17.4 |        
   83570 |         MASTER-OAFA |   C |   180 | 16.1 |        
   83770 |         MASTER-OAFA |   C |   180 | 16.0 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 8913
TYPE = 35
DAYS = 1


MASTER-OAFA robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Argentina (OAFA observatory of San Juan National University) was pointed to the SWIFT GRB230916.12 (trigger No 1192234,16h 19m 13.27s , -15d 53m 07.1s, R=0.05) errorbox  16 sec after notice time and 368 sec after trigger time at 2023-09-16 02:52:32 UT, with upper limit up to  18.8 mag. The observations began at zenith distance = 77 deg. The sun  altitude  is -53.7 deg. 

The galactic latitude b = 23 deg., longitude l = 359 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2271166

We obtain a following upper limits.  

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

     404 |         MASTER-OAFA |   C |    70 | 17.4 |        
     544 |         MASTER-OAFA |   C |   350 | 18.0 |  Coadd 
     488 |         MASTER-OAFA |   C |    60 | 17.1 |        
     578 |         MASTER-OAFA |   C |    80 | 17.4 |        
     687 |         MASTER-OAFA |   C |   100 | 17.6 |        
     817 |         MASTER-OAFA |   C |   120 | 17.6 |        
     972 |         MASTER-OAFA |   C |   150 | 17.6 |        
    1157 |         MASTER-OAFA |   C |   180 | 17.7 |        
    1357 |         MASTER-OAFA |   C |   180 | 17.7 |        
    1557 |         MASTER-OAFA |   C |   180 | 17.7 |        
   74723 |         MASTER-OAFA |   C |   180 | 18.4 |        
   75926 |         MASTER-OAFA |   C |   180 | 18.6 |        
   77134 |         MASTER-OAFA |   C |   180 | 18.8 |        
   78343 |         MASTER-OAFA |   C |   180 | 18.6 |        
   79156 |         MASTER-OAFA |   C |   180 | 18.4 |        
   79555 |         MASTER-OAFA |   C |   180 | 18.6 |        
   80766 |         MASTER-OAFA |   C |   180 | 18.5 |        
   81970 |         MASTER-OAFA |   C |   180 | 18.3 |        
   83175 |         MASTER-OAFA |   C |   180 | 18.0 |        
   84403 |         MASTER-OAFA |   C |   180 | 17.9 |        
   85608 |         MASTER-OAFA |   C |   180 | 18.3 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 8911
TYPE = 35
DAYS = 0


MASTER-OAFA robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Argentina (OAFA observatory of San Juan National University) was pointed to the SWIFT GRB230916.18 (trigger No 1192252,16h 18m 38.45s , -16d 36m 55.1s, R=0.05) errorbox  68664 sec after notice time and 69073 sec after trigger time at 2023-09-16 23:30:16 UT, with upper limit up to  18.4 mag. Observations started at twilight.  The observations began at zenith distance = 35 deg. The sun  altitude  is -14.3 deg. 

The galactic latitude b = 23 deg., longitude l = 358 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2271253

We obtain a following upper limits.  

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

   69163 |         MASTER-OAFA |   C |   180 | 18.4 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 8910
TYPE = 35
DAYS = 0


MASTER-OAFA robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Argentina (OAFA observatory of San Juan National University) was pointed to the SWIFT GRB230916.18 (trigger No 1192252,16h 18m 38.45s , -16d 36m 55.1s, R=0.05) errorbox  68664 sec after notice time and 69073 sec after trigger time at 2023-09-16 23:30:16 UT, with upper limit up to  18.4 mag. Observations started at twilight.  The observations began at zenith distance = 35 deg. The sun  altitude  is -14.3 deg. 

The galactic latitude b = 23 deg., longitude l = 358 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2271253

We obtain a following upper limits.  

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

   69163 |         MASTER-OAFA |   C |   180 | 18.4 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 8909
TYPE = 34
DAYS = 0


MASTER-OAFA robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Argentina (OAFA observatory of San Juan National University) was pointed to the SWIFT GRB230916.18 (trigger No 1192252,16h 18m 38.45s , -16d 36m 55.1s, R=0.05) errorbox  68664 sec after notice time and 69073 sec after trigger time at 2023-09-16 23:30:16 UT, with upper limit up to  18.4 mag. Observations started at twilight.  The observations began at zenith distance = 35 deg. The sun  altitude  is -14.3 deg. 

The galactic latitude b = 23 deg., longitude l = 358 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2271253

We obtain a following upper limits.  

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

   69163 |         MASTER-OAFA |   C |   180 | 18.4 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 8898
TYPE = 35
DAYS = 0.5


MASTER-OAFA robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Argentina (OAFA observatory of San Juan National University) was pointed to the SWIFT GRB230916.12 (trigger No 1192234,16h 19m 13.27s , -15d 53m 07.1s, R=0.05) errorbox  16 sec after notice time and 368 sec after trigger time at 2023-09-16 02:52:32 UT, with upper limit up to  18.0 mag. The observations began at zenith distance = 77 deg. The sun  altitude  is -53.7 deg. 

The galactic latitude b = 23 deg., longitude l = 359 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2271166

We obtain a following upper limits.  

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

     404 |         MASTER-OAFA |   C |    70 | 17.4 |        
     544 |         MASTER-OAFA |   C |   350 | 18.0 |  Coadd 
     488 |         MASTER-OAFA |   C |    60 | 17.1 |        
     578 |         MASTER-OAFA |   C |    80 | 17.4 |        
     687 |         MASTER-OAFA |   C |   100 | 17.6 |        
     817 |         MASTER-OAFA |   C |   120 | 17.6 |        
     972 |         MASTER-OAFA |   C |   150 | 17.6 |        
    1157 |         MASTER-OAFA |   C |   180 | 17.7 |        
    1357 |         MASTER-OAFA |   C |   180 | 17.7 |        
    1557 |         MASTER-OAFA |   C |   180 | 17.7 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 8891
TYPE = 35
DAYS = 0.1


MASTER-OAFA robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Argentina (OAFA observatory of San Juan National University) was pointed to the SWIFT GRB230916.12 (trigger No 1192234,16h 19m 13.27s , -15d 53m 07.1s, R=0.05) errorbox  16 sec after notice time and 368 sec after trigger time at 2023-09-16 02:52:32 UT, with upper limit up to  18.0 mag. The observations began at zenith distance = 77 deg. The sun  altitude  is -53.7 deg. 

The galactic latitude b = 23 deg., longitude l = 359 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2271166

We obtain a following upper limits.  

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

     404 |         MASTER-OAFA |   C |    70 | 17.4 |        
     544 |         MASTER-OAFA |   C |   350 | 18.0 |  Coadd 
     488 |         MASTER-OAFA |   C |    60 | 17.1 |        
     578 |         MASTER-OAFA |   C |    80 | 17.4 |        
     687 |         MASTER-OAFA |   C |   100 | 17.6 |        
     817 |         MASTER-OAFA |   C |   120 | 17.6 |        
     972 |         MASTER-OAFA |   C |   150 | 17.6 |        
    1157 |         MASTER-OAFA |   C |   180 | 17.7 |        
    1357 |         MASTER-OAFA |   C |   180 | 17.7 |        
    1557 |         MASTER-OAFA |   C |   180 | 17.7 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 8880
TYPE = 35
DAYS = 0


MASTER-OAFA robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Argentina (OAFA observatory of San Juan National University) was pointed to the SWIFT GRB230916.12 (trigger No 1192234,16h 19m 13.27s , -15d 53m 07.1s, R=0.05) errorbox  16 sec after notice time and 368 sec after trigger time at 2023-09-16 02:52:32 UT, with upper limit up to  17.4 mag. The observations began at zenith distance = 77 deg. The sun  altitude  is -53.7 deg. 

The galactic latitude b = 23 deg., longitude l = 359 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2271166

We obtain a following upper limits.  

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

     404 |         MASTER-OAFA |   C |    70 | 17.4 |        
     488 |         MASTER-OAFA |   C |    60 | 17.1 |        
     578 |         MASTER-OAFA |   C |    80 | 17.4 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 8879
TYPE = 35
DAYS = 0


MASTER-OAFA robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Argentina (OAFA observatory of San Juan National University) was pointed to the SWIFT GRB230916.12 (trigger No 1192234,16h 19m 13.27s , -15d 53m 07.1s, R=0.05) errorbox  16 sec after notice time and 368 sec after trigger time at 2023-09-16 02:52:32 UT, with upper limit up to  17.4 mag. The observations began at zenith distance = 77 deg. The sun  altitude  is -53.7 deg. 

The galactic latitude b = 23 deg., longitude l = 359 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2271166

We obtain a following upper limits.  

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

     404 |         MASTER-OAFA |   C |    70 | 17.4 |        
     488 |         MASTER-OAFA |   C |    60 | 17.1 |        
     578 |         MASTER-OAFA |   C |    80 | 17.4 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 8878
TYPE = 34
DAYS = 0


MASTER-OAFA robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Argentina (OAFA observatory of San Juan National University) was pointed to the SWIFT GRB230916.12 (trigger No 1192234,16h 19m 13.27s , -15d 53m 07.1s, R=0.05) errorbox  16 sec after notice time and 368 sec after trigger time at 2023-09-16 02:52:32 UT, with upper limit up to  17.4 mag. The observations began at zenith distance = 77 deg. The sun  altitude  is -53.7 deg. 

The galactic latitude b = 23 deg., longitude l = 359 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2271166

We obtain a following upper limits.  

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

     404 |         MASTER-OAFA |   C |    70 | 17.4 |        
     488 |         MASTER-OAFA |   C |    60 | 17.1 |        
     578 |         MASTER-OAFA |   C |    80 | 17.4 |        
Filter C is a clear (unfiltred) band. 


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



 

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