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 LVC S200225q
GCN Circulars | GCN Notices | GraceDB | VOEvents
Type 152
Trigger time 2020-02-25 06:04:21
Notice time 2020-02-26 20:30:33.832099
Distance 994.913 ± 187.859 Mpc
BNS BHH NSBH Gap Terr
0 95 0 0 4
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
[%] 100.0 88.8 97.7
2020-03-11 06:04:21 360.0 321.6 149.0

Map with WFC

Discoveries in this field
No discoveries yet!

Synchronous WFC images
datetime coord2000 observatory camera links
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-'2020-02-25 06:04:21')<'10 minutes'::interval order by gn,seq desc,errorbox asc;
trigger notice notice+1hr now

2020-02-25 06:04:21 (JD 2458904.753021)

Siderial time 18.885849 h

Ra 08:12:00.00 Dec 87:56:38.60
(123.000000d, 87.944056d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: 49.58 Azimuth: 182.98

Sun: Altitude: 22.78 Azimuth: 38.47

Moon: Altitude: 30.63 Azimuth: 19.98

Tunka

Object: Altitude: 50.35 Azimuth: 182.31

Sun: Altitude: 28.06 Azimuth: 12.46

Moon: Altitude: 30.73 Azimuth: 351.71

Kislovodsk

Object: Altitude: 41.76 Azimuth: 179.30

Sun: Altitude: 20.55 Azimuth: 306.85

Moon: Altitude: 10.71 Azimuth: 290.86

Tavrida

Object: Altitude: 42.84 Azimuth: 178.89

Sun: Altitude: 14.92 Azimuth: 300.10

Moon: Altitude: 4.61 Azimuth: 284.80

SAAO

Object: Altitude: -34.02 Azimuth: 178.52

Sun: Altitude: 20.90 Azimuth: 267.96

Moon: Altitude: 4.29 Azimuth: 275.74

IAC

Object: Altitude: 27.71 Azimuth: 177.77

Sun: Altitude: -20.62 Azimuth: 269.72

Moon: Altitude: -35.57 Azimuth: 257.79

Argentina

Object: Altitude: -30.56 Azimuth: 178.08

Sun: Altitude: -45.09 Azimuth: 333.33

Moon: Altitude: -51.06 Azimuth: 359.32

Mexico

Object: Altitude: 33.06 Azimuth: 179.48

Sun: Altitude: -59.99 Azimuth: 131.47

Moon: Altitude: -45.17 Azimuth: 113.58

Ural

Object: Altitude: 54.98 Azimuth: 180.14

Sun: Altitude: 18.45 Azimuth: 326.13

Moon: Altitude: 13.75 Azimuth: 307.77

Vostryakovo

Object: Altitude: 53.44 Azimuth: 178.85

Sun: Altitude: 11.20 Azimuth: 305.41

Moon: Altitude: 3.89 Azimuth: 288.53

Gal. latitude: 28.111436 Gal. longitude: 125.179780

Dist. to Sun: 101.069294

Dist. to Moon: 98.376137

Moon coord.: (355.913876 d, -7.139490 d)

Sun coord.: (337.608787 d, -9.379244 d)

Lunar disk: 0.025269

Lunar phase: 161.706706

Lunar bright limb: 261.683516

No SN in this field

2020-02-26 20:30:33 (JD 2458906.354549)

Siderial time 9.427752 h

Ra 08:12:00.00 Dec 87:56:38.60
(123.000000d, 87.944056d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: 49.63 Azimuth: 176.99

Sun: Altitude: -18.11 Azimuth: 261.80

Moon: Altitude: -30.00 Azimuth: 225.17

Tunka

Object: Altitude: 51.98 Azimuth: 176.68

Sun: Altitude: -32.07 Azimuth: 239.67

Moon: Altitude: -36.68 Azimuth: 196.90

Kislovodsk

Object: Altitude: 45.63 Azimuth: 178.84

Sun: Altitude: -53.30 Azimuth: 158.50

Moon: Altitude: -29.25 Azimuth: 122.95

Tavrida

Object: Altitude: 46.72 Azimuth: 179.23

Sun: Altitude: -49.60 Azimuth: 146.35

Moon: Altitude: -23.46 Azimuth: 115.95

SAAO

Object: Altitude: -30.33 Azimuth: 179.93

Sun: Altitude: -37.29 Azimuth: 44.74

Moon: Altitude: -17.96 Azimuth: 78.50

IAC

Object: Altitude: 29.96 Azimuth: 181.39

Sun: Altitude: -20.10 Azimuth: 90.71

Moon: Altitude: 14.27 Azimuth: 82.47

Argentina

Object: Altitude: -31.73 Azimuth: 182.42

Sun: Altitude: 33.92 Azimuth: 101.57

Moon: Altitude: 52.22 Azimuth: 144.04

Mexico

Object: Altitude: 29.73 Azimuth: 181.82

Sun: Altitude: 47.88 Azimuth: 21.32

Moon: Altitude: 53.88 Azimuth: 324.59

Ural

Object: Altitude: 58.58 Azimuth: 177.45

Sun: Altitude: -41.64 Azimuth: 185.58

Moon: Altitude: -27.83 Azimuth: 145.52

Vostryakovo

Object: Altitude: 57.32 Azimuth: 178.79

Sun: Altitude: -41.38 Azimuth: 156.64

Moon: Altitude: -20.33 Azimuth: 123.09

Gal. latitude: 28.111436 Gal. longitude: 125.179780

Dist. to Sun: 100.441746

Dist. to Moon: 90.404542

Moon coord.: (13.385504 d, 0.285650 d)

Sun coord.: (339.125176 d, -8.783211 d)

Lunar disk: 0.092404

Lunar phase: 144.606364

Lunar bright limb: 254.263456

No SN in this field

2020-02-26 21:30:33 (JD 2458906.396215)

Siderial time 10.430490 h

Ra 08:12:00.00 Dec 87:56:38.60
(123.000000d, 87.944056d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: 49.16 Azimuth: 177.37

Sun: Altitude: -8.55 Azimuth: 273.46

Moon: Altitude: -22.48 Azimuth: 239.14

Tunka

Object: Altitude: 51.45 Azimuth: 176.74

Sun: Altitude: -23.56 Azimuth: 253.42

Moon: Altitude: -32.61 Azimuth: 213.96

Kislovodsk

Object: Altitude: 45.34 Azimuth: 178.18

Sun: Altitude: -54.97 Azimuth: 183.79

Moon: Altitude: -37.13 Azimuth: 137.67

Tavrida

Object: Altitude: 46.50 Azimuth: 178.51

Sun: Altitude: -53.62 Azimuth: 169.45

Moon: Altitude: -32.03 Azimuth: 129.33

SAAO

Object: Altitude: -30.41 Azimuth: 179.32

Sun: Altitude: -44.84 Azimuth: 27.75

Moon: Altitude: -29.91 Azimuth: 69.31

IAC

Object: Altitude: 30.22 Azimuth: 180.84

Sun: Altitude: -33.25 Azimuth: 98.40

Moon: Altitude: 1.56 Azimuth: 89.71

Argentina

Object: Altitude: -31.20 Azimuth: 182.30

Sun: Altitude: 21.27 Azimuth: 92.81

Moon: Altitude: 43.31 Azimuth: 126.73

Mexico

Object: Altitude: 30.18 Azimuth: 182.16

Sun: Altitude: 41.29 Azimuth: 40.05

Moon: Altitude: 59.01 Azimuth: 349.51

Ural

Object: Altitude: 58.16 Azimuth: 176.79

Sun: Altitude: -39.47 Azimuth: 204.92

Moon: Altitude: -31.16 Azimuth: 161.86

Vostryakovo

Object: Altitude: 57.08 Azimuth: 177.90

Sun: Altitude: -43.34 Azimuth: 176.58

Moon: Altitude: -26.47 Azimuth: 137.53

Gal. latitude: 28.111436 Gal. longitude: 125.179780

Dist. to Sun: 100.425331

Dist. to Moon: 90.193826

Moon coord.: (13.836835 d, 0.481204 d)

Sun coord.: (339.164543 d, -8.767630 d)

Lunar disk: 0.094676

Lunar phase: 144.159229

Lunar bright limb: 254.185634

No SN in this field

2025-04-11 08:54:27 (JD 2460776.871146)

Siderial time 0.737403 h

Ra 08:12:00.00 Dec 87:56:38.60
(123.000000d, 87.944056d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: 52.22 Azimuth: 181.26

Sun: Altitude: 12.04 Azimuth: 88.58

Moon: Altitude: 3.60 Azimuth: 277.38

Tunka

Object: Altitude: 53.20 Azimuth: 182.49

Sun: Altitude: 26.70 Azimuth: 67.87

Moon: Altitude: -11.61 Azimuth: 258.12

Kislovodsk

Object: Altitude: 43.11 Azimuth: 182.69

Sun: Altitude: 54.44 Azimuth: 353.55

Moon: Altitude: -46.60 Azimuth: 199.13

Tavrida

Object: Altitude: 43.81 Azimuth: 182.57

Sun: Altitude: 52.08 Azimuth: 339.96

Moon: Altitude: -47.00 Azimuth: 186.62

SAAO

Object: Altitude: -33.65 Azimuth: 181.93

Sun: Altitude: 42.57 Azimuth: 215.33

Moon: Altitude: -54.73 Azimuth: 15.17

IAC

Object: Altitude: 26.30 Azimuth: 180.55

Sun: Altitude: 27.82 Azimuth: 275.62

Moon: Altitude: -38.83 Azimuth: 112.62

Argentina

Object: Altitude: -33.39 Azimuth: 178.45

Sun: Altitude: -26.12 Azimuth: 276.54

Moon: Altitude: 8.51 Azimuth: 93.04

Mexico

Object: Altitude: 30.67 Azimuth: 177.65

Sun: Altitude: -44.72 Azimuth: 213.44

Moon: Altitude: 39.61 Azimuth: 56.70

Ural

Object: Altitude: 56.98 Azimuth: 183.77

Sun: Altitude: 40.22 Azimuth: 17.26

Moon: Altitude: -29.93 Azimuth: 215.26

Vostryakovo

Object: Altitude: 54.57 Azimuth: 183.30

Sun: Altitude: 42.48 Azimuth: 348.57

Moon: Altitude: -36.11 Azimuth: 190.29

Gal. latitude: 28.111436 Gal. longitude: 125.179780

Dist. to Sun: 82.138009

Dist. to Moon: 90.889111

Moon coord.: (182.947777 d, -1.919466 d)

Sun coord.: (19.749737 d, 8.338243 d)

Lunar disk: 0.975923

Lunar phase: 17.853222

Lunar bright limb: 291.594986

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

  ID = 2311
TYPE = 35
DAYS = 0


MASTER-Amur robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Blagoveshchensk State Pedagogical University) started inspect of the LVC S200225q errorbox  15719 sec after trigger time at 2020-02-25 10:26:20 UT, with upper limit up to  18.4 mag. Observations started at twilight.  The observations began at zenith distance = 19 deg. The sun  altitude  is -13.9 deg. 

The galactic latitude b = 25 deg., longitude l = 169 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/ligo_1.php?id=11369

We obtain a following upper limits.  

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

   15810 | 2020-02-25 10:26:20 |         MASTER-Amur | (07h 15m 42.44s , +52d 07m 18.8s) |   C |   180 | 18.4 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 2312
TYPE = 34
DAYS = 0


MASTER-Amur robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Blagoveshchensk State Pedagogical University) started inspect of the LVC S200225q errorbox  15719 sec after trigger time at 2020-02-25 10:26:20 UT, with upper limit up to  18.4 mag. Observations started at twilight.  The observations began at zenith distance = 19 deg. The sun  altitude  is -13.9 deg. 

The galactic latitude b = 25 deg., longitude l = 169 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/ligo_1.php?id=11369

We obtain a following upper limits.  

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

   15810 | 2020-02-25 10:26:20 |         MASTER-Amur | (07h 15m 42.44s , +52d 07m 18.8s) |   C |   180 | 18.4 |        
Filter C is a clear (unfiltred) band. 


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

MASTER, 2002-2025