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 S250221eb
GCN Circulars | GCN Notices | GraceDB | VOEvents
Type 150
Trigger time 2025-02-21 10:09:06
Notice time 2025-02-21 10:17:45.589967
Distance 70.7844 ± 5.47924 Mpc
BNS BHH NSBH Gap Terr
0 95 0 7 5
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
[%] 27.4 16.4 14.7
2025-03-07 10:09:06 336.0 335.9 4.0

Map with WFC

Discoveries in this field
No discoveries yet!

Synchronous WFC images
datetime coord2000 observatory camera links
2025-02-21 10:09:02.662 00h 00m 00.00s +00d 00m 00.0s OAFA 29008 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-'2025-02-21 10:09:06')<'10 minutes'::interval order by gn,seq desc,errorbox asc;
trigger notice notice+1hr now

2025-02-21 10:09:06 (JD 2460727.922986)

Siderial time 22.765195 h

Ra 17:37:23.26 Dec -32:46:39.40
(264.346917d, -32.777611d)

Rise 2025-02-21 06:32:14

Transit 2025-02-21 08:01:25

Set 2025-02-21 09:30:36

Amur

Object: Altitude: -70.01 Azimuth: 146.40

Sun: Altitude: -12.35 Azimuth: 88.34

Moon: Altitude: -66.51 Azimuth: 187.57

Tunka

Object: Altitude: -56.97 Azimuth: 110.41

Sun: Altitude: 2.38 Azimuth: 69.61

Moon: Altitude: -60.55 Azimuth: 139.40

Kislovodsk

Object: Altitude: -16.87 Azimuth: 60.47

Sun: Altitude: 34.69 Azimuth: 14.08

Moon: Altitude: -24.07 Azimuth: 74.93

Tavrida

Object: Altitude: -12.22 Azimuth: 55.59

Sun: Altitude: 34.67 Azimuth: 3.87

Moon: Altitude: -18.56 Azimuth: 70.07

SAAO

Object: Altitude: 39.90 Azimuth: 72.22

Sun: Altitude: 66.29 Azimuth: 205.04

Moon: Altitude: 24.58 Azimuth: 72.51

IAC

Object: Altitude: 25.14 Azimuth: 21.28

Sun: Altitude: 30.04 Azimuth: 303.43

Moon: Altitude: 23.04 Azimuth: 37.92

Argentina

Object: Altitude: 64.86 Azimuth: 280.26

Sun: Altitude: -2.89 Azimuth: 284.27

Moon: Altitude: 77.35 Azimuth: 250.99

Mexico

Object: Altitude: -2.48 Azimuth: 307.34

Sun: Altitude: -48.62 Azimuth: 248.84

Moon: Altitude: 12.09 Azimuth: 312.10

Ural

Object: Altitude: -31.75 Azimuth: 77.53

Sun: Altitude: 18.41 Azimuth: 29.90

Moon: Altitude: -36.07 Azimuth: 95.28

Vostryakovo

Object: Altitude: -19.92 Azimuth: 60.75

Sun: Altitude: 23.83 Azimuth: 7.56

Moon: Altitude: -23.95 Azimuth: 76.70

Gal. latitude: -1.127451 Gal. longitude: 356.151198

Dist. to Sun: 67.815117

Dist. to Moon: 15.323208

Moon coord.: (247.964143 d, -26.973543 d)

Sun coord.: (334.641354 d, -10.522162 d)

Lunar disk: 0.434479

Lunar phase: 97.529824

Lunar bright limb: 97.951095

No SN in this field

2025-02-21 10:17:45 (JD 2460727.928993)

Siderial time 22.909756 h

Ra 17:37:23.26 Dec -32:46:39.40
(264.346917d, -32.777611d)

Rise 2025-02-21 06:32:14

Transit 2025-02-21 08:01:25

Set 2025-02-21 09:30:36

Amur

Object: Altitude: -70.72 Azimuth: 151.40

Sun: Altitude: -13.72 Azimuth: 90.00

Moon: Altitude: -66.30 Azimuth: 192.19

Tunka

Object: Altitude: -58.21 Azimuth: 112.89

Sun: Altitude: 1.12 Azimuth: 71.33

Moon: Altitude: -61.37 Azimuth: 142.84

Kislovodsk

Object: Altitude: -18.24 Azimuth: 61.73

Sun: Altitude: 34.28 Azimuth: 16.61

Moon: Altitude: -25.54 Azimuth: 76.18

Tavrida

Object: Altitude: -13.50 Azimuth: 56.92

Sun: Altitude: 34.53 Azimuth: 6.45

Moon: Altitude: -19.97 Azimuth: 71.35

SAAO

Object: Altitude: 38.16 Azimuth: 71.52

Sun: Altitude: 66.98 Azimuth: 199.98

Moon: Altitude: 22.91 Azimuth: 71.62

IAC

Object: Altitude: 24.41 Azimuth: 23.12

Sun: Altitude: 31.61 Azimuth: 305.09

Moon: Altitude: 21.89 Azimuth: 39.49

Argentina

Object: Altitude: 66.68 Azimuth: 279.83

Sun: Altitude: -1.11 Azimuth: 283.11

Moon: Altitude: 79.01 Azimuth: 246.90

Mexico

Object: Altitude: -1.01 Azimuth: 308.42

Sun: Altitude: -46.88 Azimuth: 250.66

Moon: Altitude: 13.40 Azimuth: 313.47

Ural

Object: Altitude: -32.91 Azimuth: 79.20

Sun: Altitude: 17.80 Azimuth: 32.05

Moon: Altitude: -37.21 Azimuth: 97.11

Vostryakovo

Object: Altitude: -21.00 Azimuth: 62.31

Sun: Altitude: 23.65 Azimuth: 9.87

Moon: Altitude: -25.12 Azimuth: 78.29

Gal. latitude: -1.127451 Gal. longitude: 356.151198

Dist. to Sun: 67.821074

Dist. to Moon: 15.252723

Moon coord.: (248.045174 d, -26.986438 d)

Sun coord.: (334.647098 d, -10.519986 d)

Lunar disk: 0.433897

Lunar phase: 97.597076

Lunar bright limb: 97.914494

No SN in this field

2025-02-21 11:17:45 (JD 2460727.970660)

Siderial time 23.912494 h

Ra 17:37:23.26 Dec -32:46:39.40
(264.346917d, -32.777611d)

Rise 2025-02-21 06:32:14

Transit 2025-02-21 08:01:25

Set 2025-02-21 09:30:36

Amur

Object: Altitude: -72.19 Azimuth: 191.63

Sun: Altitude: -23.22 Azimuth: 101.92

Moon: Altitude: -62.22 Azimuth: 220.67

Tunka

Object: Altitude: -65.97 Azimuth: 134.50

Sun: Altitude: -7.90 Azimuth: 83.03

Moon: Altitude: -65.04 Azimuth: 170.53

Kislovodsk

Object: Altitude: -28.16 Azimuth: 70.27

Sun: Altitude: 29.72 Azimuth: 33.18

Moon: Altitude: -35.90 Azimuth: 85.13

Tavrida

Object: Altitude: -22.87 Azimuth: 65.85

Sun: Altitude: 31.76 Azimuth: 23.77

Moon: Altitude: -29.98 Azimuth: 80.32

SAAO

Object: Altitude: 26.31 Azimuth: 66.32

Sun: Altitude: 67.14 Azimuth: 161.52

Moon: Altitude: 11.59 Azimuth: 65.16

IAC

Object: Altitude: 17.98 Azimuth: 34.80

Sun: Altitude: 41.48 Azimuth: 318.80

Moon: Altitude: 12.90 Azimuth: 49.19

Argentina

Object: Altitude: 79.31 Azimuth: 278.59

Sun: Altitude: 11.46 Azimuth: 275.35

Moon: Altitude: 84.54 Azimuth: 149.21

Mexico

Object: Altitude: 8.48 Azimuth: 316.78

Sun: Altitude: -34.41 Azimuth: 261.11

Moon: Altitude: 21.53 Azimuth: 323.96

Ural

Object: Altitude: -41.05 Azimuth: 91.34

Sun: Altitude: 12.66 Azimuth: 46.38

Moon: Altitude: -44.92 Azimuth: 110.87

Vostryakovo

Object: Altitude: -28.90 Azimuth: 73.21

Sun: Altitude: 21.07 Azimuth: 25.58

Moon: Altitude: -33.35 Azimuth: 89.68

Gal. latitude: -1.127451 Gal. longitude: 356.151198

Dist. to Sun: 67.862392

Dist. to Moon: 14.764316

Moon coord.: (248.608028 d, -27.074655 d)

Sun coord.: (334.686937 d, -10.504889 d)

Lunar disk: 0.429862

Lunar phase: 98.063828

Lunar bright limb: 97.659729

No SN in this field

2025-03-11 00:18:23 (JD 2460745.512766)

Siderial time 14.075738 h

Ra 17:37:23.26 Dec -32:46:39.40
(264.346917d, -32.777611d)

Rise 2025-03-11 05:21:28

Transit 2025-03-11 06:50:39

Set 2025-03-11 08:19:50

Amur

Object: Altitude: 0.80 Azimuth: 30.13

Sun: Altitude: 20.92 Azimuth: 304.95

Moon: Altitude: -17.94 Azimuth: 164.53

Tunka

Object: Altitude: 4.73 Azimuth: 10.30

Sun: Altitude: 6.43 Azimuth: 284.60

Moon: Altitude: -9.74 Azimuth: 142.20

Kislovodsk

Object: Altitude: 1.70 Azimuth: 321.09

Sun: Altitude: -33.82 Azimuth: 238.01

Moon: Altitude: 21.49 Azimuth: 98.14

Tavrida

Object: Altitude: -3.10 Azimuth: 315.20

Sun: Altitude: -38.13 Azimuth: 228.86

Moon: Altitude: 27.64 Azimuth: 92.00

SAAO

Object: Altitude: 32.18 Azimuth: 291.00

Sun: Altitude: -47.61 Azimuth: 324.31

Moon: Altitude: 13.73 Azimuth: 125.43

IAC

Object: Altitude: -28.51 Azimuth: 294.03

Sun: Altitude: -62.09 Azimuth: 148.70

Moon: Altitude: 69.92 Azimuth: 71.32

Argentina

Object: Altitude: -22.76 Azimuth: 341.97

Sun: Altitude: -17.29 Azimuth: 74.02

Moon: Altitude: 29.21 Azimuth: 215.26

Mexico

Object: Altitude: -71.94 Azimuth: 78.93

Sun: Altitude: 13.26 Azimuth: 77.17

Moon: Altitude: 24.00 Azimuth: 259.80

Ural

Object: Altitude: -3.63 Azimuth: 334.05

Sun: Altitude: -18.14 Azimuth: 247.91

Moon: Altitude: 13.65 Azimuth: 106.54

Vostryakovo

Object: Altitude: -9.10 Azimuth: 317.14

Sun: Altitude: -29.20 Azimuth: 227.56

Moon: Altitude: 25.34 Azimuth: 89.58

Gal. latitude: -1.127451 Gal. longitude: 356.151198

Dist. to Sun: 85.209835

Dist. to Moon: 132.060400

Moon coord.: (136.708854 d, 20.394160 d)

Sun coord.: (351.113420 d, -3.832801 d)

Lunar disk: 0.897954

Lunar phase: 37.258848

Lunar bright limb: 291.687911

No SN in this field
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