GRB230807.93 page :: MASTER Database

MASTER Net MASTER Database: GRB230807.93 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

FERMI GRB230807.93

Trignum

713139906

Trigger time

2023-08-07 22:25:01.82

Notice time

2023-08-07 22:34:30.153772

Coord, eb

(04h 53m 19.20s , -50d 57m 00.0s) , 3.48

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)
 ??

All alerts for this trigger

id	noticetime	coord2000	satel	errorbox	type	trigger	seq	trig_type	links
2251439	2023-08-07 22:34:30.153772	04^h 53^m 19.20^s -50^d 57^m 00.0^s	FERMI	3.48	alert	713139906	10	115	alert
2251432	2023-08-07 22:26:04.481528	05^h 03^m 31.20^s -58^d 58^m 12.0^s	FERMI	10.21	alert	713139906	8	112	alert
2251425	2023-08-07 22:25:49.716821	05^h 47^m 43.92^s -46^d 28^m 58.8^s	FERMI	18.23	alert	713139906	35	111	alert

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

Synchronous WFC images

Distance	datetime	coord2000	observatory	camera	links
91.9	2023-08-07 22:22:35.523	14^h 48^m 58.00^s -32^d 48^m 08.0^s	OAFA	29008	Database OAFA
72.4	2023-08-07 22:23:30.904	18^h 48^m 16.00^s -53^d 53^m 00.0^s	SAAO	111341	Database SAAO
91.9	2023-08-07 22:22:02.532	14^h 48^m 58.00^s -32^d 48^m 08.0^s	OAFA	111342	Database OAFA
72.4	2023-08-07 22:22:03.952	18^h 48^m 16.00^s -53^d 53^m 00.0^s	SAAO	136956	Database SAAO

Errorbox center visibility at MASTER facilities

trigger

notice

notice+1hr

now

2023-08-07 22:25:01 (JD 2460164.434039)

Siderial time 22.003713 h

Ra 04:53:19.20 Dec -50:57:00.00
( 73.330000d, -50.950000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: -11.91 Azimuth: 351.41

Sun: Altitude: 20.55 Azimuth: 268.85

Moon: Altitude: 49.99 Azimuth: 37.55

Tunka

Object: Altitude: -17.62 Azimuth: 336.09

Sun: Altitude: 5.77 Azimuth: 250.71

Moon: Altitude: 53.50 Azimuth: 359.28

Kislovodsk

Object: Altitude: -37.10 Azimuth: 308.60

Sun: Altitude: -27.73 Azimuth: 199.20

Moon: Altitude: 31.36 Azimuth: 278.95

Tavrida

Object: Altitude: -42.57 Azimuth: 305.06

Sun: Altitude: -28.31 Azimuth: 189.98

Moon: Altitude: 25.20 Azimuth: 273.18

SAAO

Object: Altitude: 8.58 Azimuth: 326.54

Sun: Altitude: -73.59 Azimuth: 13.89

Moon: Altitude: -2.17 Azimuth: 253.21

IAC

Object: Altitude: -61.68 Azimuth: 329.32

Sun: Altitude: -30.01 Azimuth: 132.92

Moon: Altitude: -17.44 Azimuth: 241.09

Argentina

Object: Altitude: -3.06 Azimuth: 18.51

Sun: Altitude: -5.11 Azimuth: 106.13

Moon: Altitude: -72.26 Azimuth: 336.75

Mexico

Object: Altitude: -35.02 Azimuth: 46.76

Sun: Altitude: 46.82 Azimuth: 80.77

Moon: Altitude: -33.35 Azimuth: 139.92

Ural

Object: Altitude: -36.87 Azimuth: 308.87

Sun: Altitude: -11.10 Azimuth: 213.80

Moon: Altitude: 36.81 Azimuth: 303.24

Vostryakovo

Object: Altitude: -46.06 Azimuth: 297.82

Sun: Altitude: -17.40 Azimuth: 193.02

Moon: Altitude: 26.28 Azimuth: 281.36

Gal. latitude: -38.893224 Gal. longitude: 257.887311

Dist. to Sun: 87.357715

Dist. to Moon: 73.869310

Moon coord.: (35.947490 d, 15.306639 d)

Sun coord.: (137.301910 d, 16.388679 d)

Lunar disk: 0.555035

Lunar phase: 83.680650

Lunar bright limb: 71.087613

No SN in this field

2023-08-07 22:34:30 (JD 2460164.440625)

Siderial time 22.162201 h

Ra 04:53:19.20 Dec -50:57:00.00
( 73.330000d, -50.950000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: -11.70 Azimuth: 352.93

Sun: Altitude: 22.06 Azimuth: 270.67

Moon: Altitude: 49.10 Azimuth: 40.68

Tunka

Object: Altitude: -17.04 Azimuth: 337.53

Sun: Altitude: 7.16 Azimuth: 252.53

Moon: Altitude: 53.50 Azimuth: 3.00

Kislovodsk

Object: Altitude: -35.77 Azimuth: 309.45

Sun: Altitude: -27.13 Azimuth: 201.67

Moon: Altitude: 33.02 Azimuth: 280.68

Tavrida

Object: Altitude: -41.19 Azimuth: 305.85

Sun: Altitude: -27.99 Azimuth: 192.54

Moon: Altitude: 26.85 Azimuth: 274.82

SAAO

Object: Altitude: 9.70 Azimuth: 325.54

Sun: Altitude: -73.93 Azimuth: 5.84

Moon: Altitude: -0.34 Azimuth: 251.97

IAC

Object: Altitude: -60.58 Azimuth: 327.22

Sun: Altitude: -31.51 Azimuth: 134.91

Moon: Altitude: -15.64 Azimuth: 242.43

Argentina

Object: Altitude: -3.68 Azimuth: 17.15

Sun: Altitude: -7.05 Azimuth: 104.94

Moon: Altitude: -71.42 Azimuth: 330.18

Mexico

Object: Altitude: -36.50 Azimuth: 46.99

Sun: Altitude: 44.81 Azimuth: 82.30

Moon: Altitude: -34.55 Azimuth: 142.15

Ural

Object: Altitude: -35.87 Azimuth: 310.26

Sun: Altitude: -10.37 Azimuth: 215.99

Moon: Altitude: 37.87 Azimuth: 305.68

Vostryakovo

Object: Altitude: -44.88 Azimuth: 299.12

Sun: Altitude: -17.07 Azimuth: 195.37

Moon: Altitude: 27.58 Azimuth: 283.37

Gal. latitude: -38.893224 Gal. longitude: 257.887311

Dist. to Sun: 87.359614

Dist. to Moon: 73.869772

Moon coord.: (36.031169 d, 15.342133 d)

Sun coord.: (137.308198 d, 16.386834 d)

Lunar disk: 0.554328

Lunar phase: 83.762106

Lunar bright limb: 71.108761

No SN in this field

2023-08-07 23:34:30 (JD 2460164.482292)

Siderial time 23.164939 h

Ra 04:53:19.20 Dec -50:57:00.00
( 73.330000d, -50.950000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: -11.33 Azimuth: 2.57

Sun: Altitude: 31.55 Azimuth: 282.82

Moon: Altitude: 42.24 Azimuth: 58.20

Tunka

Object: Altitude: -14.20 Azimuth: 346.90

Sun: Altitude: 16.21 Azimuth: 263.96

Moon: Altitude: 51.48 Azimuth: 25.83

Kislovodsk

Object: Altitude: -27.74 Azimuth: 315.34

Sun: Altitude: -21.88 Azimuth: 216.40

Moon: Altitude: 43.21 Azimuth: 292.92

Tavrida

Object: Altitude: -32.84 Azimuth: 311.43

Sun: Altitude: -24.30 Azimuth: 208.04

Moon: Altitude: 37.13 Azimuth: 286.04

SAAO

Object: Altitude: 17.41 Azimuth: 319.89

Sun: Altitude: -69.96 Azimuth: 319.84

Moon: Altitude: 10.87 Azimuth: 243.56

IAC

Object: Altitude: -52.47 Azimuth: 318.32

Sun: Altitude: -39.65 Azimuth: 149.55

Moon: Altitude: -3.82 Azimuth: 250.04

Argentina

Object: Altitude: -6.48 Azimuth: 8.08

Sun: Altitude: -19.54 Azimuth: 97.58

Moon: Altitude: -62.81 Azimuth: 301.07

Mexico

Object: Altitude: -45.96 Azimuth: 47.05

Sun: Altitude: 31.99 Azimuth: 90.68

Moon: Altitude: -40.57 Azimuth: 158.12

Ural

Object: Altitude: -30.06 Azimuth: 319.17

Sun: Altitude: -4.85 Azimuth: 229.40

Moon: Altitude: 43.75 Azimuth: 322.50

Vostryakovo

Object: Altitude: -37.74 Azimuth: 307.41

Sun: Altitude: -13.80 Azimuth: 209.91

Moon: Altitude: 35.50 Azimuth: 296.93

Gal. latitude: -38.893224 Gal. longitude: 257.887311

Dist. to Sun: 87.371624

Dist. to Moon: 73.873601

Moon coord.: (36.560864 d, 15.565808 d)

Sun coord.: (137.347973 d, 16.375157 d)

Lunar disk: 0.549859

Lunar phase: 84.277058

Lunar bright limb: 71.244024

No SN in this field

2024-10-04 11:50:57 (JD 2460587.993715)

Siderial time 15.267967 h

Ra 04:53:19.20 Dec -50:57:00.00
( 73.330000d, -50.950000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: -49.83 Azimuth: 297.24

Sun: Altitude: -27.13 Azimuth: 118.62

Moon: Altitude: -24.19 Azimuth: 98.23

Tunka

Object: Altitude: -64.65 Azimuth: 284.51

Sun: Altitude: -12.17 Azimuth: 98.27

Moon: Altitude: -8.94 Azimuth: 79.64

Kislovodsk

Object: Altitude: -75.07 Azimuth: 54.35

Sun: Altitude: 27.94 Azimuth: 50.88

Moon: Altitude: 27.79 Azimuth: 29.83

Tavrida

Object: Altitude: -70.40 Azimuth: 61.53

Sun: Altitude: 31.68 Azimuth: 42.13

Moon: Altitude: 29.50 Azimuth: 20.65

SAAO

Object: Altitude: 0.86 Azimuth: 24.48

Sun: Altitude: 55.51 Azimuth: 139.33

Moon: Altitude: 70.45 Azimuth: 164.77

IAC

Object: Altitude: -28.64 Azimuth: 44.69

Sun: Altitude: 53.91 Azimuth: 332.94

Moon: Altitude: 37.97 Azimuth: 318.98

Argentina

Object: Altitude: 49.67 Azimuth: 47.04

Sun: Altitude: 20.68 Azimuth: 262.23

Moon: Altitude: 11.24 Azimuth: 278.92

Mexico

Object: Altitude: 7.72 Azimuth: 4.88

Sun: Altitude: -18.98 Azimuth: 263.69

Moon: Altitude: -37.56 Azimuth: 263.03

Ural

Object: Altitude: -83.75 Azimuth: 166.04

Sun: Altitude: 11.62 Azimuth: 62.30

Moon: Altitude: 10.75 Azimuth: 43.37

Vostryakovo

Object: Altitude: -74.96 Azimuth: 97.09

Sun: Altitude: 22.15 Azimuth: 42.33

Moon: Altitude: 18.71 Azimuth: 22.81

Gal. latitude: -38.893224 Gal. longitude: 257.887311

Dist. to Sun: 103.034358

Dist. to Moon: 104.074795

Moon coord.: (207.029019 d, -13.415711 d)

Sun coord.: (190.486061 d, -4.513547 d)

Lunar disk: 0.026203

Lunar phase: 161.368828

Lunar bright limb: 297.086460

No SN in this field

Recent coverage and limits telegrams

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

  ID = 8657
TYPE = 35
DAYS = 2


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) started inspect of the FERMI GRB 230807A ( Fermi GBM team, GCN 34361) errorbox  541 sec after notice time and 576 sec after trigger time at 2023-08-07 22:34:37 UT, with upper limit up to  18.1 mag. The observations began at zenith distance = 81 deg. The sun  altitude  is -74.2 deg. 

The galactic latitude b = -39 deg., longitude l = 258 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2251439

We obtain a following upper limits.  

Tmid-T0  |      Date Time      |          Site       |             Coord (J2000)          |Filt.| Expt. | Limit| Comment
_________|_____________________|_____________________|____________________________________|_____|_______|_______|________

     666 | 2023-08-07 22:34:37 |         MASTER-SAAO | (04h 52m 47.80s , -51d 03m 56.5s) |   C |   180 | 17.7 |        
     666 | 2023-08-07 22:34:37 |         MASTER-SAAO | (04h 51m 35.23s , -51d 03m 22.0s) |   C |   180 | 17.9 |        
     805 | 2023-08-07 22:37:57 |         MASTER-SAAO | (04h 52m 47.80s , -51d 03m 55.2s) |   C |    60 | 17.3 |        
     865 | 2023-08-07 22:37:57 |         MASTER-SAAO | (04h 52m 47.80s , -51d 03m 55.2s) |   C |   180 | 17.9 |  Coadd 
     805 | 2023-08-07 22:37:57 |         MASTER-SAAO | (04h 51m 35.23s , -51d 03m 20.2s) |   C |    60 | 17.4 |        
     865 | 2023-08-07 22:37:57 |         MASTER-SAAO | (04h 51m 35.21s , -51d 03m 20.2s) |   C |   180 | 18.1 |  Coadd 
     885 | 2023-08-07 22:39:16 |         MASTER-SAAO | (04h 52m 47.69s , -51d 02m 55.7s) |   C |    60 | 17.2 |        
     885 | 2023-08-07 22:39:16 |         MASTER-SAAO | (04h 51m 35.14s , -51d 02m 20.1s) |   C |    60 | 17.3 |        
     977 | 2023-08-07 22:40:48 |         MASTER-SAAO | (04h 52m 53.74s , -51d 03m 56.6s) |   C |    60 | 17.3 |        
     977 | 2023-08-07 22:40:48 |         MASTER-SAAO | (04h 51m 41.02s , -51d 03m 21.5s) |   C |    60 | 17.4 |        
    1067 | 2023-08-07 22:42:19 |         MASTER-SAAO | (04h 52m 46.43s , -51d 04m 58.9s) |   C |    60 | 16.9 |        
    1067 | 2023-08-07 22:42:19 |         MASTER-SAAO | (04h 51m 33.61s , -51d 04m 23.3s) |   C |    60 | 17.1 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 8654
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) started inspect of the FERMI GRB 230807A ( Fermi GBM team, GCN 34361) errorbox  541 sec after notice time and 576 sec after trigger time at 2023-08-07 22:34:37 UT, with upper limit up to  18.1 mag. The observations began at zenith distance = 81 deg. The sun  altitude  is -74.2 deg. 

The galactic latitude b = -39 deg., longitude l = 258 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2251434

We obtain a following upper limits.  

Tmid-T0  |      Date Time      |          Site       |             Coord (J2000)          |Filt.| Expt. | Limit| Comment
_________|_____________________|_____________________|____________________________________|_____|_______|_______|________

     666 | 2023-08-07 22:34:37 |         MASTER-SAAO | (04h 52m 47.80s , -51d 03m 56.5s) |   C |   180 | 17.7 |        
     666 | 2023-08-07 22:34:37 |         MASTER-SAAO | (04h 51m 35.23s , -51d 03m 22.0s) |   C |   180 | 17.9 |        
     805 | 2023-08-07 22:37:57 |         MASTER-SAAO | (04h 52m 47.80s , -51d 03m 55.2s) |   C |    60 | 17.3 |        
     865 | 2023-08-07 22:37:57 |         MASTER-SAAO | (04h 52m 47.80s , -51d 03m 55.2s) |   C |   180 | 17.9 |  Coadd 
     805 | 2023-08-07 22:37:57 |         MASTER-SAAO | (04h 51m 35.23s , -51d 03m 20.2s) |   C |    60 | 17.4 |        
     865 | 2023-08-07 22:37:57 |         MASTER-SAAO | (04h 51m 35.21s , -51d 03m 20.2s) |   C |   180 | 18.1 |  Coadd 
     885 | 2023-08-07 22:39:16 |         MASTER-SAAO | (04h 52m 47.69s , -51d 02m 55.7s) |   C |    60 | 17.2 |        
     885 | 2023-08-07 22:39:16 |         MASTER-SAAO | (04h 51m 35.14s , -51d 02m 20.1s) |   C |    60 | 17.3 |        
     977 | 2023-08-07 22:40:48 |         MASTER-SAAO | (04h 52m 53.74s , -51d 03m 56.6s) |   C |    60 | 17.3 |        
     977 | 2023-08-07 22:40:48 |         MASTER-SAAO | (04h 51m 41.02s , -51d 03m 21.5s) |   C |    60 | 17.4 |        
    1067 | 2023-08-07 22:42:19 |         MASTER-SAAO | (04h 52m 46.43s , -51d 04m 58.9s) |   C |    60 | 16.9 |        
    1067 | 2023-08-07 22:42:19 |         MASTER-SAAO | (04h 51m 33.61s , -51d 04m 23.3s) |   C |    60 | 17.1 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 8644
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) started inspect of the FERMI GRB 230807A ( Fermi GBM team, GCN 34361) errorbox  740 sec after notice time and 775 sec after trigger time at 2023-08-07 22:37:57 UT, with upper limit up to  18.1 mag. The observations began at zenith distance = 80 deg. The sun  altitude  is -74.3 deg. 

The galactic latitude b = -39 deg., longitude l = 258 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2251439

We obtain a following upper limits.  

Tmid-T0  |      Date Time      |          Site       |             Coord (J2000)          |Filt.| Expt. | Limit| Comment
_________|_____________________|_____________________|____________________________________|_____|_______|_______|________

     805 | 2023-08-07 22:37:57 |         MASTER-SAAO | (04h 52m 47.80s , -51d 03m 55.2s) |   C |    60 | 17.3 |        
     865 | 2023-08-07 22:37:57 |         MASTER-SAAO | (04h 52m 47.80s , -51d 03m 55.2s) |   C |   180 | 17.9 |  Coadd 
     805 | 2023-08-07 22:37:57 |         MASTER-SAAO | (04h 51m 35.23s , -51d 03m 20.2s) |   C |    60 | 17.4 |        
     865 | 2023-08-07 22:37:57 |         MASTER-SAAO | (04h 51m 35.21s , -51d 03m 20.2s) |   C |   180 | 18.1 |  Coadd 
     885 | 2023-08-07 22:39:16 |         MASTER-SAAO | (04h 52m 47.69s , -51d 02m 55.7s) |   C |    60 | 17.2 |        
     885 | 2023-08-07 22:39:16 |         MASTER-SAAO | (04h 51m 35.14s , -51d 02m 20.1s) |   C |    60 | 17.3 |        
     977 | 2023-08-07 22:40:48 |         MASTER-SAAO | (04h 52m 53.74s , -51d 03m 56.6s) |   C |    60 | 17.3 |        
     977 | 2023-08-07 22:40:48 |         MASTER-SAAO | (04h 51m 41.02s , -51d 03m 21.5s) |   C |    60 | 17.4 |        
    1067 | 2023-08-07 22:42:19 |         MASTER-SAAO | (04h 52m 46.43s , -51d 04m 58.9s) |   C |    60 | 16.9 |        
    1067 | 2023-08-07 22:42:19 |         MASTER-SAAO | (04h 51m 33.61s , -51d 04m 23.3s) |   C |    60 | 17.1 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 8643
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) started inspect of the FERMI GRB 230807A ( Fermi GBM team, GCN 34361) errorbox  740 sec after notice time and 775 sec after trigger time at 2023-08-07 22:37:57 UT, with upper limit up to  18.1 mag. The observations began at zenith distance = 80 deg. The sun  altitude  is -74.3 deg. 

The galactic latitude b = -39 deg., longitude l = 258 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2251439

We obtain a following upper limits.  

Tmid-T0  |      Date Time      |          Site       |             Coord (J2000)          |Filt.| Expt. | Limit| Comment
_________|_____________________|_____________________|____________________________________|_____|_______|_______|________

     805 | 2023-08-07 22:37:57 |         MASTER-SAAO | (04h 52m 47.80s , -51d 03m 55.2s) |   C |    60 | 17.3 |        
     865 | 2023-08-07 22:37:57 |         MASTER-SAAO | (04h 52m 47.80s , -51d 03m 55.2s) |   C |   180 | 17.9 |  Coadd 
     805 | 2023-08-07 22:37:57 |         MASTER-SAAO | (04h 51m 35.23s , -51d 03m 20.2s) |   C |    60 | 17.4 |        
     865 | 2023-08-07 22:37:57 |         MASTER-SAAO | (04h 51m 35.21s , -51d 03m 20.2s) |   C |   180 | 18.1 |  Coadd 
     885 | 2023-08-07 22:39:16 |         MASTER-SAAO | (04h 52m 47.69s , -51d 02m 55.7s) |   C |    60 | 17.2 |        
     885 | 2023-08-07 22:39:16 |         MASTER-SAAO | (04h 51m 35.14s , -51d 02m 20.1s) |   C |    60 | 17.3 |        
     977 | 2023-08-07 22:40:48 |         MASTER-SAAO | (04h 52m 53.74s , -51d 03m 56.6s) |   C |    60 | 17.3 |        
     977 | 2023-08-07 22:40:48 |         MASTER-SAAO | (04h 51m 41.02s , -51d 03m 21.5s) |   C |    60 | 17.4 |        
    1067 | 2023-08-07 22:42:19 |         MASTER-SAAO | (04h 52m 46.43s , -51d 04m 58.9s) |   C |    60 | 16.9 |        
    1067 | 2023-08-07 22:42:19 |         MASTER-SAAO | (04h 51m 33.61s , -51d 04m 23.3s) |   C |    60 | 17.1 |        
Filter C is a clear (unfiltred) band. 


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



#######################################################################################
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  ID = 8642
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) started inspect of the FERMI GRB 230807A ( Fermi GBM team, GCN 34361) errorbox  740 sec after notice time and 775 sec after trigger time at 2023-08-07 22:37:57 UT, with upper limit up to  18.1 mag. The observations began at zenith distance = 80 deg. The sun  altitude  is -74.3 deg. 

The galactic latitude b = -39 deg., longitude l = 258 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2251439

We obtain a following upper limits.  

Tmid-T0  |      Date Time      |          Site       |             Coord (J2000)          |Filt.| Expt. | Limit| Comment
_________|_____________________|_____________________|____________________________________|_____|_______|_______|________

     805 | 2023-08-07 22:37:57 |         MASTER-SAAO | (04h 52m 47.80s , -51d 03m 55.2s) |   C |    60 | 17.3 |        
     865 | 2023-08-07 22:37:57 |         MASTER-SAAO | (04h 52m 47.80s , -51d 03m 55.2s) |   C |   180 | 17.9 |  Coadd 
     805 | 2023-08-07 22:37:57 |         MASTER-SAAO | (04h 51m 35.23s , -51d 03m 20.2s) |   C |    60 | 17.4 |        
     865 | 2023-08-07 22:37:57 |         MASTER-SAAO | (04h 51m 35.21s , -51d 03m 20.2s) |   C |   180 | 18.1 |  Coadd 
     885 | 2023-08-07 22:39:16 |         MASTER-SAAO | (04h 52m 47.69s , -51d 02m 55.7s) |   C |    60 | 17.2 |        
     885 | 2023-08-07 22:39:16 |         MASTER-SAAO | (04h 51m 35.14s , -51d 02m 20.1s) |   C |    60 | 17.3 |        
     977 | 2023-08-07 22:40:48 |         MASTER-SAAO | (04h 52m 53.74s , -51d 03m 56.6s) |   C |    60 | 17.3 |        
     977 | 2023-08-07 22:40:48 |         MASTER-SAAO | (04h 51m 41.02s , -51d 03m 21.5s) |   C |    60 | 17.4 |        
    1067 | 2023-08-07 22:42:19 |         MASTER-SAAO | (04h 52m 46.43s , -51d 04m 58.9s) |   C |    60 | 16.9 |        
    1067 | 2023-08-07 22:42:19 |         MASTER-SAAO | (04h 51m 33.61s , -51d 04m 23.3s) |   C |    60 | 17.1 |        
Filter C is a clear (unfiltred) band. 


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

MASTER, 2002-2024

MASTER Net MASTER Database: GRB230807.93 page

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Amur

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SAAO

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Ural

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Amur

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Kislovodsk

Tavrida

SAAO

IAC

Argentina

Mexico

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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 | LVC status
Manual control | Planner | Planner Results | Planner NET

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

Search: