MASTER Net MASTER Database: LIGO alert

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 GRB230517.46
Type 2
Trigger time 2023-05-17 11:05:46.3
Notice time(last) 2023-05-17 11:06:42.105358
Distance ± Mpc
FromSocket to be BNS BBH NSBH Gap Terr
Galaxy in: 50%
90%
FULL

This work was supported by RFBR BRICS 17-52-80133 grant.
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)

DAYS:
Coverage since triggertime up to

ALL PLOTS
datetime T - Trig [h] T - Not [h] Area [sq. deg]
Box 50% 90% FULL
[%] 99.9 85.6 84.6
2023-05-31 11:05:46 336.0 336.0 341.2

Discoveries in this field
MASTER OT (J2000.0) Сoordinates Datetime Published Mag Site Image
J071612.28-415537.5 (07h 16m 12.28s , -41d 55m 37.5s) 2023-05-23 17:10:26.976 AT2023jgs on 2023-05-24 00:00:22.891841 18.223 SAAO Transient on SAAO
Errorbox center visibility at MASTER facilities
SELECT set_sphere_output('HMS'); select set_sphere_output_precision(1); select distinct on (gn) get_grb_name2 (grbtime, satel ) as gn, coord2000, satel, errorbox, 'now'::timestamp,'now'::timestamp+'1 hour'::interval,grbtime+'1 hour'::interval from grb where tabs(grbtime-'2023-05-17 11:05:46.3')<'10 minutes'::interval order by gn,seq desc,errorbox asc;
trigger notice notice+1hr now

2023-05-17 11:05:46 (JD 2460081.962338)

Siderial time 5.263678 h

Ra 07:32:04.08 Dec -48:58:01.20
(113.017000d, -48.967000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: -20.18 Azimuth: 35.35

Sun: Altitude: -0.14 Azimuth: 121.30

Moon: Altitude: -20.52 Azimuth: 139.54

Tunka

Object: Altitude: -14.26 Azimuth: 20.66

Sun: Altitude: 14.57 Azimuth: 102.75

Moon: Altitude: -7.69 Azimuth: 118.30

Kislovodsk

Object: Altitude: -6.17 Azimuth: 341.23

Sun: Altitude: 54.83 Azimuth: 55.54

Moon: Altitude: 31.09 Azimuth: 73.88

Tavrida

Object: Altitude: -9.30 Azimuth: 336.02

Sun: Altitude: 58.79 Azimuth: 42.34

Moon: Altitude: 36.47 Azimuth: 65.92

SAAO

Object: Altitude: 48.93 Azimuth: 309.19

Sun: Altitude: 37.73 Azimuth: 169.85

Moon: Altitude: 35.42 Azimuth: 136.06

IAC

Object: Altitude: -19.84 Azimuth: 315.77

Sun: Altitude: 62.19 Azimuth: 282.59

Moon: Altitude: 72.25 Azimuth: 352.92

Argentina

Object: Altitude: -2.07 Azimuth: 335.58

Sun: Altitude: -3.28 Azimuth: 249.32

Moon: Altitude: 22.42 Azimuth: 240.56

Mexico

Object: Altitude: -72.02 Azimuth: 4.39

Sun: Altitude: -15.48 Azimuth: 235.51

Moon: Altitude: 0.38 Azimuth: 257.75

Ural

Object: Altitude: -16.48 Azimuth: 351.72

Sun: Altitude: 38.72 Azimuth: 62.64

Moon: Altitude: 17.70 Azimuth: 82.25

Vostryakovo

Object: Altitude: -18.13 Azimuth: 337.36

Sun: Altitude: 49.07 Azimuth: 38.33

Moon: Altitude: 29.68 Azimuth: 63.24

Gal. latitude: -13.783791 Gal. longitude: 261.389762

Dist. to Sun: 86.153228

Dist. to Moon: 95.434291

Moon coord.: (27.017880 d, 10.673884 d)

Sun coord.: (53.658225 d, 19.256775 d)

Lunar disk: 0.055173

Lunar phase: 152.829767

Lunar bright limb: 68.351208

No SN in this field

2023-05-17 11:06:42 (JD 2460081.962986)

Siderial time 5.279276 h

Ra 07:32:04.08 Dec -48:58:01.20
(113.017000d, -48.967000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: -20.26 Azimuth: 35.48

Sun: Altitude: -0.27 Azimuth: 121.48

Moon: Altitude: -20.61 Azimuth: 139.76

Tunka

Object: Altitude: -14.31 Azimuth: 20.81

Sun: Altitude: 14.43 Azimuth: 102.92

Moon: Altitude: -7.81 Azimuth: 118.49

Kislovodsk

Object: Altitude: -6.11 Azimuth: 341.38

Sun: Altitude: 54.69 Azimuth: 55.84

Moon: Altitude: 30.93 Azimuth: 74.06

Tavrida

Object: Altitude: -9.24 Azimuth: 336.16

Sun: Altitude: 58.68 Azimuth: 42.70

Moon: Altitude: 36.33 Azimuth: 66.13

SAAO

Object: Altitude: 49.08 Azimuth: 309.21

Sun: Altitude: 37.69 Azimuth: 169.58

Moon: Altitude: 35.28 Azimuth: 135.85

IAC

Object: Altitude: -19.69 Azimuth: 315.83

Sun: Altitude: 62.39 Azimuth: 282.79

Moon: Altitude: 72.28 Azimuth: 353.64

Argentina

Object: Altitude: -1.99 Azimuth: 335.45

Sun: Altitude: -3.10 Azimuth: 249.20

Moon: Altitude: 22.58 Azimuth: 240.40

Mexico

Object: Altitude: -72.03 Azimuth: 3.90

Sun: Altitude: -15.31 Azimuth: 235.67

Moon: Altitude: 0.57 Azimuth: 257.86

Ural

Object: Altitude: -16.46 Azimuth: 351.88

Sun: Altitude: 38.61 Azimuth: 62.88

Moon: Altitude: 17.58 Azimuth: 82.45

Vostryakovo

Object: Altitude: -18.08 Azimuth: 337.51

Sun: Altitude: 48.99 Azimuth: 38.64

Moon: Altitude: 29.57 Azimuth: 63.46

Gal. latitude: -13.783791 Gal. longitude: 261.389762

Dist. to Sun: 86.153006

Dist. to Moon: 95.431992

Moon coord.: (27.025924 d, 10.677736 d)

Sun coord.: (53.658868 d, 19.256922 d)

Lunar disk: 0.055141

Lunar phase: 152.837927

Lunar bright limb: 68.354003

No SN in this field

2023-05-17 12:06:42 (JD 2460082.004653)

Siderial time 6.282014 h

Ra 07:32:04.08 Dec -48:58:01.20
(113.017000d, -48.967000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: -26.40 Azimuth: 43.89

Sun: Altitude: -7.86 Azimuth: 133.47

Moon: Altitude: -25.42 Azimuth: 154.37

Tunka

Object: Altitude: -18.32 Azimuth: 30.20

Sun: Altitude: 5.66 Azimuth: 114.22

Moon: Altitude: -14.97 Azimuth: 131.09

Kislovodsk

Object: Altitude: -3.51 Azimuth: 350.92

Sun: Altitude: 44.97 Azimuth: 71.91

Moon: Altitude: 20.80 Azimuth: 85.25

Tavrida

Object: Altitude: -5.72 Azimuth: 345.45

Sun: Altitude: 50.20 Azimuth: 62.39

Moon: Altitude: 26.69 Azimuth: 78.50

SAAO

Object: Altitude: 58.74 Azimuth: 312.58

Sun: Altitude: 33.58 Azimuth: 152.88

Moon: Altitude: 25.65 Azimuth: 123.60

IAC

Object: Altitude: -10.82 Azimuth: 320.29

Sun: Altitude: 74.64 Azimuth: 303.06

Moon: Altitude: 69.02 Azimuth: 36.60

Argentina

Object: Altitude: 4.11 Azimuth: 327.70

Sun: Altitude: 8.46 Azimuth: 241.00

Moon: Altitude: 32.48 Azimuth: 228.78

Mexico

Object: Altitude: -69.49 Azimuth: 334.64

Sun: Altitude: -4.16 Azimuth: 244.53

Moon: Altitude: 12.99 Azimuth: 264.94

Ural

Object: Altitude: -16.04 Azimuth: 2.14

Sun: Altitude: 30.96 Azimuth: 77.42

Moon: Altitude: 9.90 Azimuth: 94.84

Vostryakovo

Object: Altitude: -15.50 Azimuth: 347.45

Sun: Altitude: 42.69 Azimuth: 56.91

Moon: Altitude: 22.03 Azimuth: 76.93

Gal. latitude: -13.783791 Gal. longitude: 261.389762

Dist. to Sun: 86.138718

Dist. to Moon: 95.283992

Moon coord.: (27.543313 d, 10.924848 d)

Sun coord.: (53.700217 d, 19.266389 d)

Lunar disk: 0.053070

Lunar phase: 153.362308

Lunar bright limb: 68.536508

No SN in this field

2024-03-29 12:53:06 (JD 2460399.036875)

Siderial time 3.887479 h

Ra 07:32:04.08 Dec -48:58:01.20
(113.017000d, -48.967000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: -13.76 Azimuth: 22.91

Sun: Altitude: -26.09 Azimuth: 134.32

Moon: Altitude: -13.95 Azimuth: 288.74

Tunka

Object: Altitude: -11.19 Azimuth: 7.17

Sun: Altitude: -12.53 Azimuth: 112.67

Moon: Altitude: -29.26 Azimuth: 270.06

Kislovodsk

Object: Altitude: -12.44 Azimuth: 329.10

Sun: Altitude: 27.19 Azimuth: 66.74

Moon: Altitude: -67.21 Azimuth: 205.44

Tavrida

Object: Altitude: -16.61 Azimuth: 324.34

Sun: Altitude: 32.16 Azimuth: 58.71

Moon: Altitude: -67.84 Azimuth: 184.61

SAAO

Object: Altitude: 35.44 Azimuth: 310.17

Sun: Altitude: 42.19 Azimuth: 132.39

Moon: Altitude: -33.94 Azimuth: 12.62

IAC

Object: Altitude: -32.97 Azimuth: 312.22

Sun: Altitude: 64.96 Azimuth: 350.36

Moon: Altitude: -46.00 Azimuth: 85.91

Argentina

Object: Altitude: -7.59 Azimuth: 347.97

Sun: Altitude: 25.51 Azimuth: 247.86

Moon: Altitude: 21.02 Azimuth: 75.72

Mexico

Object: Altitude: -65.22 Azimuth: 37.20

Sun: Altitude: -4.94 Azimuth: 262.83

Moon: Altitude: 25.41 Azimuth: 38.45

Ural

Object: Altitude: -19.43 Azimuth: 337.86

Sun: Altitude: 12.72 Azimuth: 76.65

Moon: Altitude: -50.23 Azimuth: 221.62

Vostryakovo

Object: Altitude: -23.85 Azimuth: 324.24

Sun: Altitude: 24.44 Azimuth: 57.44

Moon: Altitude: -56.97 Azimuth: 189.64

Gal. latitude: -13.783791 Gal. longitude: 261.389762

Dist. to Sun: 102.347793

Dist. to Moon: 90.633698

Moon coord.: (232.829278 d, -22.626038 d)

Sun coord.: (8.254551 d, 3.563577 d)

Lunar disk: 0.840750

Lunar phase: 47.039090

Lunar bright limb: 107.147970

No SN in this field

Recent coverage and limits telegrams

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

  ID = 8149
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 GRB230517.46 (trigger No 706014351,08h 02m 40.80s , -49d 07m 12.0s, R=1.61) errorbox  19988 sec after notice time and 20023 sec after trigger time at 2023-05-17 16:39:30 UT, with upper limit up to  17.1 mag. Observations started at twilight.  The observations began at zenith distance = 26 deg. The sun  altitude  is -11.0 deg. 

The galactic latitude b = -9 deg., longitude l = 264 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2217037

We obtain a following upper limits.  

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

   20054 | 2023-05-17 16:39:30 |         MASTER-SAAO | (07h 52m 59.13s , -48d 09m 57.3s) |   C |    60 | 17.1 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 8150
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 GRB230517.46 (trigger No 706014351,08h 02m 40.80s , -49d 07m 12.0s, R=1.61) errorbox  19988 sec after notice time and 20023 sec after trigger time at 2023-05-17 16:39:30 UT, with upper limit up to  17.1 mag. Observations started at twilight.  The observations began at zenith distance = 26 deg. The sun  altitude  is -11.0 deg. 

The galactic latitude b = -9 deg., longitude l = 264 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2217037

We obtain a following upper limits.  

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

   20054 | 2023-05-17 16:39:30 |         MASTER-SAAO | (07h 52m 59.13s , -48d 09m 57.3s) |   C |    60 | 17.1 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 8151
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 GRB230517.46 (trigger No 706014351,08h 02m 40.80s , -49d 07m 12.0s, R=1.61) errorbox  19988 sec after notice time and 20023 sec after trigger time at 2023-05-17 16:39:30 UT, with upper limit up to  17.1 mag. Observations started at twilight.  The observations began at zenith distance = 26 deg. The sun  altitude  is -11.0 deg. 

The galactic latitude b = -9 deg., longitude l = 264 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2217037

We obtain a following upper limits.  

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

   20054 | 2023-05-17 16:39:30 |         MASTER-SAAO | (07h 52m 59.13s , -48d 09m 57.3s) |   C |    60 | 17.1 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 8153
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 GRB230517.46 (trigger No 706014351,08h 02m 40.80s , -49d 07m 12.0s, R=1.61) errorbox  19988 sec after notice time and 20023 sec after trigger time at 2023-05-17 16:39:30 UT, with upper limit up to  18.6 mag. Observations started at twilight.  The observations began at zenith distance = 26 deg. The sun  altitude  is -11.0 deg. 

The galactic latitude b = -9 deg., longitude l = 264 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2217037

We obtain a following upper limits.  

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

   20054 | 2023-05-17 16:39:30 |         MASTER-SAAO | (07h 51m 47.75s , -48d 09m 38.7s) |   C |    60 | 17.1 |        
   20054 | 2023-05-17 16:39:30 |         MASTER-SAAO | (07h 52m 59.13s , -48d 09m 57.3s) |   C |    60 | 17.1 |        
   20133 | 2023-05-17 16:40:49 |         MASTER-SAAO | (08h 03m 37.07s , -48d 10m 35.2s) |   C |    60 | 16.7 |        
   20133 | 2023-05-17 16:40:49 |         MASTER-SAAO | (08h 04m 48.55s , -48d 10m 52.9s) |   C |    60 | 16.7 |        
   20224 | 2023-05-17 16:42:20 |         MASTER-SAAO | (07h 46m 35.00s , -50d 02m 42.0s) |   C |    60 | 15.7 |        
   20224 | 2023-05-17 16:42:20 |         MASTER-SAAO | (07h 47m 49.17s , -50d 02m 59.6s) |   C |    60 | 15.6 |        
   20304 | 2023-05-17 16:43:40 |         MASTER-SAAO | (07h 58m 58.94s , -50d 04m 08.1s) |   C |    60 | 16.5 |        
   20304 | 2023-05-17 16:43:40 |         MASTER-SAAO | (08h 00m 13.26s , -50d 04m 24.6s) |   C |    60 | 16.4 |        
   20395 | 2023-05-17 16:45:11 |         MASTER-SAAO | (08h 10m 05.42s , -50d 03m 24.0s) |   C |    60 | 16.9 |        
   20395 | 2023-05-17 16:45:11 |         MASTER-SAAO | (08h 11m 19.79s , -50d 03m 40.9s) |   C |    60 | 16.8 |        
   20920 | 2023-05-17 16:53:55 |         MASTER-SAAO | (08h 22m 31.01s , -50d 04m 00.5s) |   C |    60 | 16.9 |        
   20920 | 2023-05-17 16:53:56 |         MASTER-SAAO | (08h 23m 45.90s , -50d 04m 27.0s) |   C |    60 | 16.9 |        
   20999 | 2023-05-17 16:55:15 |         MASTER-SAAO | (07h 51m 52.02s , -48d 09m 58.8s) |   C |    60 | 15.5 |        
   20999 | 2023-05-17 16:55:15 |         MASTER-SAAO | (07h 53m 04.11s , -48d 10m 29.6s) |   C |    60 | 15.4 |        
   21090 | 2023-05-17 16:56:46 |         MASTER-SAAO | (08h 03m 44.57s , -48d 07m 58.3s) |   C |    60 | 18.0 |        
   21090 | 2023-05-17 16:56:46 |         MASTER-SAAO | (08h 04m 56.70s , -48d 08m 27.9s) |   C |    60 | 17.9 |        
   21169 | 2023-05-17 16:58:05 |         MASTER-SAAO | (07h 46m 38.53s , -50d 03m 52.4s) |   C |    60 | 18.0 |        
   21169 | 2023-05-17 16:58:05 |         MASTER-SAAO | (07h 47m 53.41s , -50d 04m 21.5s) |   C |    60 | 18.0 |        
   21260 | 2023-05-17 16:59:36 |         MASTER-SAAO | (07h 59m 04.88s , -50d 02m 06.0s) |   C |    60 | 18.0 |        
   21260 | 2023-05-17 16:59:36 |         MASTER-SAAO | (08h 00m 19.81s , -50d 02m 33.6s) |   C |    60 | 18.0 |        
   21340 | 2023-05-17 17:00:56 |         MASTER-SAAO | (08h 10m 09.97s , -50d 02m 47.8s) |   C |    60 | 18.2 |        
   21340 | 2023-05-17 17:00:56 |         MASTER-SAAO | (08h 11m 25.01s , -50d 03m 14.2s) |   C |    60 | 18.2 |        
   21431 | 2023-05-17 17:02:27 |         MASTER-SAAO | (07h 57m 12.19s , -46d 14m 46.1s) |   C |    60 | 18.0 |        
   21431 | 2023-05-17 17:02:27 |         MASTER-SAAO | (07h 58m 21.90s , -46d 15m 20.7s) |   C |    60 | 18.0 |        
   21511 | 2023-05-17 17:03:47 |         MASTER-SAAO | (08h 08m 35.97s , -46d 15m 43.9s) |   C |    60 | 18.0 |        
   21511 | 2023-05-17 17:03:47 |         MASTER-SAAO | (08h 09m 45.79s , -46d 16m 16.6s) |   C |    60 | 18.0 |        
   21693 | 2023-05-17 17:06:49 |         MASTER-SAAO | (07h 54m 32.15s , -51d 57m 21.3s) |   C |    60 | 18.6 |        
   21693 | 2023-05-17 17:06:49 |         MASTER-SAAO | (07h 55m 50.33s , -51d 57m 48.5s) |   C |    60 | 18.6 |        
   21773 | 2023-05-17 17:08:09 |         MASTER-SAAO | (08h 06m 06.00s , -51d 56m 31.8s) |   C |    60 | 18.4 |        
   21773 | 2023-05-17 17:08:09 |         MASTER-SAAO | (08h 07m 24.21s , -51d 56m 58.6s) |   C |    60 | 18.4 |        
   21943 | 2023-05-17 17:10:59 |         MASTER-SAAO | (08h 22m 40.89s , -50d 02m 30.0s) |   C |    60 | 17.5 |        
   21943 | 2023-05-17 17:10:59 |         MASTER-SAAO | (08h 23m 56.14s , -50d 02m 56.9s) |   C |    60 | 17.5 |        
   22034 | 2023-05-17 17:12:30 |         MASTER-SAAO | (07h 51m 48.22s , -48d 09m 26.5s) |   C |    60 | 17.4 |        
   22034 | 2023-05-17 17:12:30 |         MASTER-SAAO | (07h 53m 00.58s , -48d 10m 00.9s) |   C |    60 | 17.4 |        
   22114 | 2023-05-17 17:13:50 |         MASTER-SAAO | (08h 03m 51.25s , -48d 09m 03.0s) |   C |    60 | 15.9 |        
   22114 | 2023-05-17 17:13:50 |         MASTER-SAAO | (08h 05m 03.70s , -48d 09m 35.7s) |   C |    60 | 15.8 |        
   22204 | 2023-05-17 17:15:20 |         MASTER-SAAO | (07h 46m 42.04s , -50d 01m 20.6s) |   C |    60 | 17.5 |        
   22204 | 2023-05-17 17:15:20 |         MASTER-SAAO | (07h 47m 57.14s , -50d 01m 53.8s) |   C |    60 | 17.6 |        
   22295 | 2023-05-17 17:16:50 |         MASTER-SAAO | (07h 59m 06.87s , -50d 03m 11.6s) |   C |    60 | 17.7 |        
   22295 | 2023-05-17 17:16:50 |         MASTER-SAAO | (08h 00m 22.11s , -50d 03m 42.9s) |   C |    60 | 17.8 |        
   22374 | 2023-05-17 17:18:10 |         MASTER-SAAO | (08h 10m 20.03s , -50d 01m 26.5s) |   C |    60 | 16.6 |        
   22374 | 2023-05-17 17:18:10 |         MASTER-SAAO | (08h 11m 35.29s , -50d 01m 56.4s) |   C |    60 | 16.7 |        
   22465 | 2023-05-17 17:19:41 |         MASTER-SAAO | (07h 57m 09.71s , -46d 14m 11.7s) |   C |    60 | 18.0 |        
   22465 | 2023-05-17 17:19:41 |         MASTER-SAAO | (07h 58m 19.61s , -46d 14m 50.9s) |   C |    60 | 18.0 |        
   22545 | 2023-05-17 17:21:00 |         MASTER-SAAO | (08h 08m 40.45s , -46d 13m 10.0s) |   C |    60 | 16.9 |        
   22545 | 2023-05-17 17:21:00 |         MASTER-SAAO | (08h 09m 50.40s , -46d 13m 47.6s) |   C |    60 | 16.9 |        
   22715 | 2023-05-17 17:23:51 |         MASTER-SAAO | (07h 54m 32.54s , -51d 57m 01.9s) |   C |    60 | 14.2 |        
   22715 | 2023-05-17 17:23:51 |         MASTER-SAAO | (07h 55m 50.96s , -51d 57m 33.5s) |   C |    60 | 14.2 |        
   23421 | 2023-05-17 17:35:37 |         MASTER-SAAO | (08h 06m 14.49s , -51d 55m 46.7s) |   C |    60 | 18.4 |        
   23421 | 2023-05-17 17:35:37 |         MASTER-SAAO | (08h 07m 32.53s , -51d 55m 16.4s) |   C |    60 | 18.4 |        
   23592 | 2023-05-17 17:38:28 |         MASTER-SAAO | (08h 22m 48.76s , -50d 01m 46.3s) |   C |    60 | 18.0 |        
   23592 | 2023-05-17 17:38:28 |         MASTER-SAAO | (08h 24m 03.84s , -50d 01m 15.9s) |   C |    60 | 18.1 |        
   23682 | 2023-05-17 17:39:58 |         MASTER-SAAO | (07h 57m 13.26s , -46d 14m 35.1s) |   C |    60 | 18.5 |        
   23682 | 2023-05-17 17:39:58 |         MASTER-SAAO | (07h 58m 22.85s , -46d 14m 21.2s) |   C |    60 | 18.5 |        
   24372 | 2023-05-17 17:51:28 |         MASTER-SAAO | (08h 08m 46.01s , -46d 13m 08.0s) |   C |    60 | 16.6 |        
   24372 | 2023-05-17 17:51:28 |         MASTER-SAAO | (08h 09m 55.51s , -46d 12m 47.1s) |   C |    60 | 16.7 |        
   24543 | 2023-05-17 17:54:19 |         MASTER-SAAO | (07h 54m 45.46s , -51d 55m 05.0s) |   C |    60 | 13.4 |        
   24543 | 2023-05-17 17:54:19 |         MASTER-SAAO | (07h 56m 03.37s , -51d 54m 35.7s) |   C |    60 | 13.4 |        
   25039 | 2023-05-17 18:02:35 |         MASTER-SAAO | (08h 14m 45.82s , -48d 06m 04.1s) |   C |    60 | 16.9 |        
   25039 | 2023-05-17 18:02:35 |         MASTER-SAAO | (08h 15m 58.49s , -48d 07m 01.6s) |   C |    60 | 16.9 |        
   25289 | 2023-05-17 18:06:44 |         MASTER-SAAO | (07h 42m 21.44s , -48d 08m 27.5s) |   C |    60 | 15.8 |        
   29476 | 2023-05-17 19:16:32 |         MASTER-SAAO | (08h 14m 51.52s , -48d 04m 42.6s) |   C |    60 | 16.8 |        
   29476 | 2023-05-17 19:16:32 |         MASTER-SAAO | (08h 16m 02.52s , -48d 06m 07.6s) |   C |    60 | 16.8 |        
   29738 | 2023-05-17 19:20:53 |         MASTER-SAAO | (07h 42m 26.51s , -48d 04m 32.9s) |   C |    60 | 17.0 |        
   30567 | 2023-05-17 19:34:43 |         MASTER-SAAO | (08h 14m 45.00s , -48d 03m 20.0s) |   C |    60 | 17.1 |        
   30567 | 2023-05-17 19:34:43 |         MASTER-SAAO | (08h 15m 55.54s , -48d 04m 18.7s) |   C |    60 | 17.1 |        
   30829 | 2023-05-17 19:39:05 |         MASTER-SAAO | (07h 42m 18.24s , -48d 05m 15.2s) |   C |    60 | 18.2 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 8158
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 GRB230517.46 (trigger No 706014351,08h 02m 40.80s , -49d 07m 12.0s, R=1.61) errorbox  19988 sec after notice time and 20023 sec after trigger time at 2023-05-17 16:39:30 UT, with upper limit up to  18.6 mag. Observations started at twilight.  The observations began at zenith distance = 26 deg. The sun  altitude  is -11.0 deg. 

The galactic latitude b = -9 deg., longitude l = 264 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2217037

We obtain a following upper limits.  

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

   20054 | 2023-05-17 16:39:30 |         MASTER-SAAO | (07h 51m 47.75s , -48d 09m 38.7s) |   C |    60 | 17.1 |        
   20054 | 2023-05-17 16:39:30 |         MASTER-SAAO | (07h 52m 59.13s , -48d 09m 57.3s) |   C |    60 | 17.1 |        
   20133 | 2023-05-17 16:40:49 |         MASTER-SAAO | (08h 03m 37.07s , -48d 10m 35.2s) |   C |    60 | 16.7 |        
   20133 | 2023-05-17 16:40:49 |         MASTER-SAAO | (08h 04m 48.55s , -48d 10m 52.9s) |   C |    60 | 16.7 |        
   20224 | 2023-05-17 16:42:20 |         MASTER-SAAO | (07h 46m 35.00s , -50d 02m 42.0s) |   C |    60 | 15.7 |        
   20224 | 2023-05-17 16:42:20 |         MASTER-SAAO | (07h 47m 49.17s , -50d 02m 59.6s) |   C |    60 | 15.6 |        
   20304 | 2023-05-17 16:43:40 |         MASTER-SAAO | (07h 58m 58.94s , -50d 04m 08.1s) |   C |    60 | 16.5 |        
   20304 | 2023-05-17 16:43:40 |         MASTER-SAAO | (08h 00m 13.26s , -50d 04m 24.6s) |   C |    60 | 16.4 |        
   20395 | 2023-05-17 16:45:11 |         MASTER-SAAO | (08h 10m 05.42s , -50d 03m 24.0s) |   C |    60 | 16.9 |        
   20395 | 2023-05-17 16:45:11 |         MASTER-SAAO | (08h 11m 19.79s , -50d 03m 40.9s) |   C |    60 | 16.8 |        
   20920 | 2023-05-17 16:53:55 |         MASTER-SAAO | (08h 22m 31.01s , -50d 04m 00.5s) |   C |    60 | 16.9 |        
   20920 | 2023-05-17 16:53:56 |         MASTER-SAAO | (08h 23m 45.90s , -50d 04m 27.0s) |   C |    60 | 16.9 |        
   20999 | 2023-05-17 16:55:15 |         MASTER-SAAO | (07h 51m 52.02s , -48d 09m 58.8s) |   C |    60 | 15.5 |        
   20999 | 2023-05-17 16:55:15 |         MASTER-SAAO | (07h 53m 04.11s , -48d 10m 29.6s) |   C |    60 | 15.4 |        
   21090 | 2023-05-17 16:56:46 |         MASTER-SAAO | (08h 03m 44.57s , -48d 07m 58.3s) |   C |    60 | 18.0 |        
   21090 | 2023-05-17 16:56:46 |         MASTER-SAAO | (08h 04m 56.70s , -48d 08m 27.9s) |   C |    60 | 17.9 |        
   21169 | 2023-05-17 16:58:05 |         MASTER-SAAO | (07h 46m 38.53s , -50d 03m 52.4s) |   C |    60 | 18.0 |        
   21169 | 2023-05-17 16:58:05 |         MASTER-SAAO | (07h 47m 53.41s , -50d 04m 21.5s) |   C |    60 | 18.0 |        
   21260 | 2023-05-17 16:59:36 |         MASTER-SAAO | (07h 59m 04.88s , -50d 02m 06.0s) |   C |    60 | 18.0 |        
   21260 | 2023-05-17 16:59:36 |         MASTER-SAAO | (08h 00m 19.81s , -50d 02m 33.6s) |   C |    60 | 18.0 |        
   21340 | 2023-05-17 17:00:56 |         MASTER-SAAO | (08h 10m 09.97s , -50d 02m 47.8s) |   C |    60 | 18.2 |        
   21340 | 2023-05-17 17:00:56 |         MASTER-SAAO | (08h 11m 25.01s , -50d 03m 14.2s) |   C |    60 | 18.2 |        
   21431 | 2023-05-17 17:02:27 |         MASTER-SAAO | (07h 57m 12.19s , -46d 14m 46.1s) |   C |    60 | 18.0 |        
   21431 | 2023-05-17 17:02:27 |         MASTER-SAAO | (07h 58m 21.90s , -46d 15m 20.7s) |   C |    60 | 18.0 |        
   21511 | 2023-05-17 17:03:47 |         MASTER-SAAO | (08h 08m 35.97s , -46d 15m 43.9s) |   C |    60 | 18.0 |        
   21511 | 2023-05-17 17:03:47 |         MASTER-SAAO | (08h 09m 45.79s , -46d 16m 16.6s) |   C |    60 | 18.0 |        
   21693 | 2023-05-17 17:06:49 |         MASTER-SAAO | (07h 54m 32.15s , -51d 57m 21.3s) |   C |    60 | 18.6 |        
   21693 | 2023-05-17 17:06:49 |         MASTER-SAAO | (07h 55m 50.33s , -51d 57m 48.5s) |   C |    60 | 18.6 |        
   21773 | 2023-05-17 17:08:09 |         MASTER-SAAO | (08h 06m 06.00s , -51d 56m 31.8s) |   C |    60 | 18.4 |        
   21773 | 2023-05-17 17:08:09 |         MASTER-SAAO | (08h 07m 24.21s , -51d 56m 58.6s) |   C |    60 | 18.4 |        
   21943 | 2023-05-17 17:10:59 |         MASTER-SAAO | (08h 22m 40.89s , -50d 02m 30.0s) |   C |    60 | 17.5 |        
   21943 | 2023-05-17 17:10:59 |         MASTER-SAAO | (08h 23m 56.14s , -50d 02m 56.9s) |   C |    60 | 17.5 |        
   22034 | 2023-05-17 17:12:30 |         MASTER-SAAO | (07h 51m 48.22s , -48d 09m 26.5s) |   C |    60 | 17.4 |        
   22034 | 2023-05-17 17:12:30 |         MASTER-SAAO | (07h 53m 00.58s , -48d 10m 00.9s) |   C |    60 | 17.4 |        
   22114 | 2023-05-17 17:13:50 |         MASTER-SAAO | (08h 03m 51.25s , -48d 09m 03.0s) |   C |    60 | 15.9 |        
   22114 | 2023-05-17 17:13:50 |         MASTER-SAAO | (08h 05m 03.70s , -48d 09m 35.7s) |   C |    60 | 15.8 |        
   22204 | 2023-05-17 17:15:20 |         MASTER-SAAO | (07h 46m 42.04s , -50d 01m 20.6s) |   C |    60 | 17.5 |        
   22204 | 2023-05-17 17:15:20 |         MASTER-SAAO | (07h 47m 57.14s , -50d 01m 53.8s) |   C |    60 | 17.6 |        
   22295 | 2023-05-17 17:16:50 |         MASTER-SAAO | (07h 59m 06.87s , -50d 03m 11.6s) |   C |    60 | 17.7 |        
   22295 | 2023-05-17 17:16:50 |         MASTER-SAAO | (08h 00m 22.11s , -50d 03m 42.9s) |   C |    60 | 17.8 |        
   22374 | 2023-05-17 17:18:10 |         MASTER-SAAO | (08h 10m 20.03s , -50d 01m 26.5s) |   C |    60 | 16.6 |        
   22374 | 2023-05-17 17:18:10 |         MASTER-SAAO | (08h 11m 35.29s , -50d 01m 56.4s) |   C |    60 | 16.7 |        
   22465 | 2023-05-17 17:19:41 |         MASTER-SAAO | (07h 57m 09.71s , -46d 14m 11.7s) |   C |    60 | 18.0 |        
   22465 | 2023-05-17 17:19:41 |         MASTER-SAAO | (07h 58m 19.61s , -46d 14m 50.9s) |   C |    60 | 18.0 |        
   22545 | 2023-05-17 17:21:00 |         MASTER-SAAO | (08h 08m 40.45s , -46d 13m 10.0s) |   C |    60 | 16.9 |        
   22545 | 2023-05-17 17:21:00 |         MASTER-SAAO | (08h 09m 50.40s , -46d 13m 47.6s) |   C |    60 | 16.9 |        
   22715 | 2023-05-17 17:23:51 |         MASTER-SAAO | (07h 54m 32.54s , -51d 57m 01.9s) |   C |    60 | 14.2 |        
   22715 | 2023-05-17 17:23:51 |         MASTER-SAAO | (07h 55m 50.96s , -51d 57m 33.5s) |   C |    60 | 14.2 |        
   23421 | 2023-05-17 17:35:37 |         MASTER-SAAO | (08h 06m 14.49s , -51d 55m 46.7s) |   C |    60 | 18.4 |        
   23421 | 2023-05-17 17:35:37 |         MASTER-SAAO | (08h 07m 32.53s , -51d 55m 16.4s) |   C |    60 | 18.4 |        
   23592 | 2023-05-17 17:38:28 |         MASTER-SAAO | (08h 22m 48.76s , -50d 01m 46.3s) |   C |    60 | 18.0 |        
   23592 | 2023-05-17 17:38:28 |         MASTER-SAAO | (08h 24m 03.84s , -50d 01m 15.9s) |   C |    60 | 18.1 |        
   23682 | 2023-05-17 17:39:58 |         MASTER-SAAO | (07h 57m 13.26s , -46d 14m 35.1s) |   C |    60 | 18.5 |        
   23682 | 2023-05-17 17:39:58 |         MASTER-SAAO | (07h 58m 22.85s , -46d 14m 21.2s) |   C |    60 | 18.5 |        
   24372 | 2023-05-17 17:51:28 |         MASTER-SAAO | (08h 08m 46.01s , -46d 13m 08.0s) |   C |    60 | 16.6 |        
   24372 | 2023-05-17 17:51:28 |         MASTER-SAAO | (08h 09m 55.51s , -46d 12m 47.1s) |   C |    60 | 16.7 |        
   24543 | 2023-05-17 17:54:19 |         MASTER-SAAO | (07h 54m 45.46s , -51d 55m 05.0s) |   C |    60 | 13.4 |        
   24543 | 2023-05-17 17:54:19 |         MASTER-SAAO | (07h 56m 03.37s , -51d 54m 35.7s) |   C |    60 | 13.4 |        
   25039 | 2023-05-17 18:02:35 |         MASTER-SAAO | (08h 14m 45.82s , -48d 06m 04.1s) |   C |    60 | 16.9 |        
   25039 | 2023-05-17 18:02:35 |         MASTER-SAAO | (08h 15m 58.49s , -48d 07m 01.6s) |   C |    60 | 16.9 |        
   25289 | 2023-05-17 18:06:44 |         MASTER-SAAO | (07h 42m 21.44s , -48d 08m 27.5s) |   C |    60 | 15.8 |        
   29476 | 2023-05-17 19:16:32 |         MASTER-SAAO | (08h 14m 51.52s , -48d 04m 42.6s) |   C |    60 | 16.8 |        
   29476 | 2023-05-17 19:16:32 |         MASTER-SAAO | (08h 16m 02.52s , -48d 06m 07.6s) |   C |    60 | 16.8 |        
   29738 | 2023-05-17 19:20:53 |         MASTER-SAAO | (07h 42m 26.51s , -48d 04m 32.9s) |   C |    60 | 17.0 |        
   30567 | 2023-05-17 19:34:43 |         MASTER-SAAO | (08h 14m 45.00s , -48d 03m 20.0s) |   C |    60 | 17.1 |        
   30567 | 2023-05-17 19:34:43 |         MASTER-SAAO | (08h 15m 55.54s , -48d 04m 18.7s) |   C |    60 | 17.1 |        
   30829 | 2023-05-17 19:39:05 |         MASTER-SAAO | (07h 42m 18.24s , -48d 05m 15.2s) |   C |    60 | 18.2 |        
Filter C is a clear (unfiltred) band. 


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



 

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