MASTER Net MASTER Database: LIGO GRB230520.97 alert (last error box)

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 GRB230520.97
Type 2 (last error box)
Trigger time 2023-05-20 23:11:39.14
Notice time 2023-05-20 23:12:09.981596
Distance ± Mpc
BNS BHH 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
[%] 28.8 16.0 14.4
2023-06-03 23:11:39 336.0 336.0 5.4

Map with WFC

Discoveries in this field
No discoveries yet!

Synchronous WFC images
datetime coord2000 observatory camera links
2023-05-20 23:11:13.65 08h 35m 38.00s -04d 05m 47.0s OAFA 29008 Database OAFA
2023-05-20 23:09:02.779 06h 23m 28.00s -15d 53m 23.0s OAFA 111342 Database OAFA
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-'2023-05-20 23:11:39.14')<'10 minutes'::interval order by gn,seq desc,errorbox asc;
trigger notice notice+1hr now

2023-05-20 23:11:39 (JD 2460085.466424)

Siderial time 17.591987 h

Ra 09:40:55.92 Dec 79:22:01.20
(145.233000d, 79.367000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: 40.76 Azimuth: 186.68

Sun: Altitude: 32.14 Azimuth: 277.13

Moon: Altitude: 26.30 Azimuth: 260.19

Tunka

Object: Altitude: 41.20 Azimuth: 181.00

Sun: Altitude: 16.93 Azimuth: 258.94

Moon: Altitude: 12.24 Azimuth: 243.26

Kislovodsk

Object: Altitude: 37.29 Azimuth: 168.85

Sun: Altitude: -19.95 Azimuth: 211.62

Moon: Altitude: -18.79 Azimuth: 194.83

Tavrida

Object: Altitude: 39.51 Azimuth: 167.49

Sun: Altitude: -21.90 Azimuth: 203.44

Moon: Altitude: -18.96 Azimuth: 186.78

SAAO

Object: Altitude: -33.94 Azimuth: 167.43

Sun: Altitude: -74.79 Azimuth: 321.91

Moon: Altitude: -81.71 Azimuth: 41.27

IAC

Object: Altitude: 32.40 Azimuth: 168.62

Sun: Altitude: -34.90 Azimuth: 148.18

Moon: Altitude: -21.54 Azimuth: 138.41

Argentina

Object: Altitude: -21.37 Azimuth: 177.70

Sun: Altitude: -18.43 Azimuth: 102.59

Moon: Altitude: -8.54 Azimuth: 115.38

Mexico

Object: Altitude: 40.15 Azimuth: 186.80

Sun: Altitude: 36.47 Azimuth: 92.97

Moon: Altitude: 52.35 Azimuth: 93.30

Ural

Object: Altitude: 48.34 Azimuth: 169.85

Sun: Altitude: -2.89 Azimuth: 224.93

Moon: Altitude: -2.51 Azimuth: 209.04

Vostryakovo

Object: Altitude: 49.31 Azimuth: 165.65

Sun: Altitude: -11.20 Azimuth: 205.70

Moon: Altitude: -8.08 Azimuth: 189.91

Gal. latitude: 34.331870 Gal. longitude: 132.407931

Dist. to Sun: 69.985574

Dist. to Moon: 61.187647

Moon coord.: (73.142869 d, 26.006570 d)

Sun coord.: (57.150153 d, 20.019195 d)

Lunar disk: 0.019132

Lunar phase: 164.099097

Lunar bright limb: 251.393895

No SN in this field

2023-05-20 23:12:09 (JD 2460085.466771)

Siderial time 17.600343 h

Ra 09:40:55.92 Dec 79:22:01.20
(145.233000d, 79.367000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: 40.77 Azimuth: 186.71

Sun: Altitude: 32.22 Azimuth: 277.23

Moon: Altitude: 26.37 Azimuth: 260.28

Tunka

Object: Altitude: 41.20 Azimuth: 181.03

Sun: Altitude: 17.00 Azimuth: 259.03

Moon: Altitude: 12.30 Azimuth: 243.34

Kislovodsk

Object: Altitude: 37.28 Azimuth: 168.87

Sun: Altitude: -19.90 Azimuth: 211.73

Moon: Altitude: -18.76 Azimuth: 194.94

Tavrida

Object: Altitude: 39.49 Azimuth: 167.50

Sun: Altitude: -21.86 Azimuth: 203.56

Moon: Altitude: -18.95 Azimuth: 186.89

SAAO

Object: Altitude: -33.96 Azimuth: 167.43

Sun: Altitude: -74.72 Azimuth: 321.54

Moon: Altitude: -81.78 Azimuth: 40.68

IAC

Object: Altitude: 32.38 Azimuth: 168.61

Sun: Altitude: -34.96 Azimuth: 148.31

Moon: Altitude: -21.61 Azimuth: 138.50

Argentina

Object: Altitude: -21.37 Azimuth: 177.67

Sun: Altitude: -18.53 Azimuth: 102.53

Moon: Altitude: -8.63 Azimuth: 115.32

Mexico

Object: Altitude: 40.16 Azimuth: 186.77

Sun: Altitude: 36.37 Azimuth: 93.03

Moon: Altitude: 52.24 Azimuth: 93.35

Ural

Object: Altitude: 48.32 Azimuth: 169.88

Sun: Altitude: -2.85 Azimuth: 225.04

Moon: Altitude: -2.48 Azimuth: 209.15

Vostryakovo

Object: Altitude: 49.29 Azimuth: 165.67

Sun: Altitude: -11.17 Azimuth: 205.82

Moon: Altitude: -8.06 Azimuth: 190.02

Gal. latitude: 34.331870 Gal. longitude: 132.407931

Dist. to Sun: 69.985439

Dist. to Moon: 61.185986

Moon coord.: (73.147695 d, 26.007378 d)

Sun coord.: (57.150500 d, 20.019268 d)

Lunar disk: 0.019141

Lunar phase: 164.095047

Lunar bright limb: 251.397941

No SN in this field

2023-05-21 00:12:09 (JD 2460085.508437)

Siderial time 18.603081 h

Ra 09:40:55.92 Dec 79:22:01.20
(145.233000d, 79.367000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: 42.16 Azimuth: 189.90

Sun: Altitude: 41.51 Azimuth: 290.52

Moon: Altitude: 35.63 Azimuth: 270.93

Tunka

Object: Altitude: 41.66 Azimuth: 184.67

Sun: Altitude: 26.23 Azimuth: 270.50

Moon: Altitude: 20.69 Azimuth: 253.70

Kislovodsk

Object: Altitude: 35.41 Azimuth: 171.41

Sun: Altitude: -13.19 Azimuth: 224.67

Moon: Altitude: -14.85 Azimuth: 207.88

Tavrida

Object: Altitude: 37.38 Azimuth: 169.79

Sun: Altitude: -16.45 Azimuth: 217.34

Moon: Altitude: -16.44 Azimuth: 200.27

SAAO

Object: Altitude: -36.66 Azimuth: 168.17

Sun: Altitude: -64.45 Azimuth: 292.73

Moon: Altitude: -80.28 Azimuth: 308.05

IAC

Object: Altitude: 29.67 Azimuth: 167.94

Sun: Altitude: -40.24 Azimuth: 164.83

Moon: Altitude: -28.96 Azimuth: 150.36

Argentina

Object: Altitude: -22.21 Azimuth: 174.83

Sun: Altitude: -31.12 Azimuth: 95.53

Moon: Altitude: -20.06 Azimuth: 108.95

Mexico

Object: Altitude: 41.32 Azimuth: 183.45

Sun: Altitude: 23.61 Azimuth: 99.97

Moon: Altitude: 39.97 Azimuth: 99.52

Ural

Object: Altitude: 47.15 Azimuth: 173.60

Sun: Altitude: 3.52 Azimuth: 237.61

Moon: Altitude: 2.15 Azimuth: 221.29

Vostryakovo

Object: Altitude: 47.39 Azimuth: 168.69

Sun: Altitude: -6.58 Azimuth: 219.30

Moon: Altitude: -5.64 Azimuth: 202.87

Gal. latitude: 34.331870 Gal. longitude: 132.407931

Dist. to Sun: 69.969270

Dist. to Moon: 60.987934

Moon coord.: (73.727101 d, 26.103140 d)

Sun coord.: (57.192197 d, 20.027916 d)

Lunar disk: 0.020321

Lunar phase: 163.609071

Lunar bright limb: 251.876881

No SN in this field

2025-05-11 09:34:57 (JD 2460806.899271)

Siderial time 3.385546 h

Ra 09:40:55.92 Dec 79:22:01.20
(145.233000d, 79.367000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: 60.91 Azimuth: 181.74

Sun: Altitude: 12.14 Azimuth: 103.49

Moon: Altitude: -2.03 Azimuth: 294.16

Tunka

Object: Altitude: 60.72 Azimuth: 190.54

Sun: Altitude: 27.48 Azimuth: 84.23

Moon: Altitude: -17.17 Azimuth: 275.48

Kislovodsk

Object: Altitude: 42.89 Azimuth: 194.59

Sun: Altitude: 63.39 Azimuth: 16.16

Moon: Altitude: -56.83 Azimuth: 222.73

Tavrida

Object: Altitude: 42.32 Azimuth: 194.31

Sun: Altitude: 63.16 Azimuth: 357.94

Moon: Altitude: -59.56 Azimuth: 207.84

SAAO

Object: Altitude: -35.65 Azimuth: 192.22

Sun: Altitude: 37.91 Azimuth: 197.19

Moon: Altitude: -40.85 Azimuth: 358.61

IAC

Object: Altitude: 19.11 Azimuth: 185.84

Sun: Altitude: 41.86 Azimuth: 270.77

Moon: Altitude: -54.77 Azimuth: 101.22

Argentina

Object: Altitude: -41.60 Azimuth: 174.84

Sun: Altitude: -21.23 Azimuth: 261.53

Moon: Altitude: 7.95 Azimuth: 75.16

Mexico

Object: Altitude: 25.71 Azimuth: 169.54

Sun: Altitude: -30.81 Azimuth: 219.01

Moon: Altitude: 22.31 Azimuth: 52.35

Ural

Object: Altitude: 58.73 Azimuth: 199.82

Sun: Altitude: 46.80 Azimuth: 35.27

Moon: Altitude: -39.95 Azimuth: 233.13

Vostryakovo

Object: Altitude: 53.23 Azimuth: 197.90

Sun: Altitude: 52.46 Azimuth: 4.40

Moon: Altitude: -48.97 Azimuth: 206.95

Gal. latitude: 34.331870 Gal. longitude: 132.407931

Dist. to Sun: 73.705004

Dist. to Moon: 102.489114

Moon coord.: (212.875861 d, -16.762813 d)

Sun coord.: (48.160779 d, 17.907418 d)

Lunar disk: 0.983875

Lunar phase: 14.590923

Lunar bright limb: 276.839007

No SN in this field
Recent coverage and limits telegrams
#######################################################################################
#######################################################################################

  ID = 8171
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) started inspect of the FERMI GRB230520.97 (trigger No 706317104,02h 06m 57.60s , -62d 06m 00.0s, R=1) errorbox  876 sec after notice time and 891 sec after trigger time at 2023-05-20 23:26:30 UT, with upper limit up to  17.4 mag. The observations began at zenith distance = 79 deg. The sun  altitude  is -21.6 deg. 

The galactic latitude b = -53 deg., longitude l = 288 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2217842

We obtain a following upper limits.  

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

     982 | 2023-05-20 23:26:30 |         MASTER-OAFA | (02h 05m 10.53s , -61d 58m 31.5s) |   C |   180 | 17.2 |        
    1516 | 2023-05-20 23:35:24 |         MASTER-OAFA | (02h 05m 09.55s , -61d 58m 25.6s) |   C |   180 | 17.4 |        
    1794 | 2023-05-20 23:40:03 |         MASTER-OAFA | (02h 10m 48.64s , -62d 28m 53.3s) |   C |   180 | 12.1 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 8159
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) started inspect of the FERMI GRB230520.97 (trigger No 706317104,02h 06m 57.60s , -62d 06m 00.0s, R=1) errorbox  876 sec after notice time and 891 sec after trigger time at 2023-05-20 23:26:30 UT, with upper limit up to  17.4 mag. The observations began at zenith distance = 79 deg. The sun  altitude  is -21.6 deg. 

The galactic latitude b = -53 deg., longitude l = 288 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2217848

We obtain a following upper limits.  

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

     982 | 2023-05-20 23:26:30 |         MASTER-OAFA | (02h 05m 10.53s , -61d 58m 31.5s) |   C |   180 | 17.2 |        
    1516 | 2023-05-20 23:35:24 |         MASTER-OAFA | (02h 05m 09.55s , -61d 58m 25.6s) |   C |   180 | 17.4 |        
    1794 | 2023-05-20 23:40:03 |         MASTER-OAFA | (02h 10m 48.64s , -62d 28m 53.3s) |   C |   180 | 12.1 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 8160
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) started inspect of the FERMI GRB230520.97 (trigger No 706317104,02h 06m 57.60s , -62d 06m 00.0s, R=1) errorbox  876 sec after notice time and 891 sec after trigger time at 2023-05-20 23:26:30 UT, with upper limit up to  17.4 mag. The observations began at zenith distance = 79 deg. The sun  altitude  is -21.6 deg. 

The galactic latitude b = -53 deg., longitude l = 288 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2217848

We obtain a following upper limits.  

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

     982 | 2023-05-20 23:26:30 |         MASTER-OAFA | (02h 05m 10.53s , -61d 58m 31.5s) |   C |   180 | 17.2 |        
    1516 | 2023-05-20 23:35:24 |         MASTER-OAFA | (02h 05m 09.55s , -61d 58m 25.6s) |   C |   180 | 17.4 |        
    1794 | 2023-05-20 23:40:03 |         MASTER-OAFA | (02h 10m 48.64s , -62d 28m 53.3s) |   C |   180 | 12.1 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 8161
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) started inspect of the FERMI GRB230520.97 (trigger No 706317104,02h 06m 57.60s , -62d 06m 00.0s, R=1) errorbox  876 sec after notice time and 891 sec after trigger time at 2023-05-20 23:26:30 UT, with upper limit up to  17.4 mag. The observations began at zenith distance = 79 deg. The sun  altitude  is -21.6 deg. 

The galactic latitude b = -53 deg., longitude l = 288 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2217848

We obtain a following upper limits.  

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

     982 | 2023-05-20 23:26:30 |         MASTER-OAFA | (02h 05m 10.53s , -61d 58m 31.5s) |   C |   180 | 17.2 |        
    1516 | 2023-05-20 23:35:24 |         MASTER-OAFA | (02h 05m 09.55s , -61d 58m 25.6s) |   C |   180 | 17.4 |        
    1794 | 2023-05-20 23:40:03 |         MASTER-OAFA | (02h 10m 48.64s , -62d 28m 53.3s) |   C |   180 | 12.1 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 8177
TYPE = 35
DAYS = 2


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) started inspect of the FERMI GRB230520.97 (trigger No 706317104,02h 06m 57.60s , -62d 06m 00.0s, R=1) errorbox  876 sec after notice time and 891 sec after trigger time at 2023-05-20 23:26:30 UT, with upper limit up to  17.4 mag. The observations began at zenith distance = 79 deg. The sun  altitude  is -21.6 deg. 

The galactic latitude b = -53 deg., longitude l = 288 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2217842

We obtain a following upper limits.  

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

     982 | 2023-05-20 23:26:30 |         MASTER-OAFA | (02h 05m 10.53s , -61d 58m 31.5s) |   C |   180 | 17.2 |        
    1516 | 2023-05-20 23:35:24 |         MASTER-OAFA | (02h 05m 09.55s , -61d 58m 25.6s) |   C |   180 | 17.4 |        
    1794 | 2023-05-20 23:40:03 |         MASTER-OAFA | (02h 10m 48.64s , -62d 28m 53.3s) |   C |   180 | 12.1 |        
Filter C is a clear (unfiltred) band. 


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

MASTER, 2002-2025