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

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
Manual control | Planner | Planner Results | Planner NET

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

Name LVC S250221gb
GCN Circulars | GCN Notices | GraceDB | VOEvents
Type 150
Trigger time 2025-02-21 17:53:53
Notice time 2025-02-21 17:59:29.399536
Distance 709.421 ± 283.492 Mpc
BNS BHH NSBH Gap Terr
0 98 0 10 2
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
[%] 29.6 27.0 27.1
2025-03-07 17:53:53 336.0 335.9 617.1

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-'2025-02-21 17:53:53')<'10 minutes'::interval order by gn,seq desc,errorbox asc;
trigger notice notice+1hr now

2025-02-21 17:53:53 (JD 2460728.245752)

Siderial time 6.532793 h

Ra 11:53:31.75 Dec 10:53:10.00
(178.382292d, 10.886111d)

Rise 2025-02-22 19:01:53

Transit 2025-02-23 02:10:37

Set 2025-02-22 09:23:18

Amur

Object: Altitude: 49.80 Azimuth: 14.50

Sun: Altitude: -41.78 Azimuth: 225.77

Moon: Altitude: -6.49 Azimuth: 306.39

Tunka

Object: Altitude: 47.31 Azimuth: 338.07

Sun: Altitude: -48.02 Azimuth: 192.54

Moon: Altitude: -20.72 Azimuth: 288.68

Kislovodsk

Object: Altitude: 17.96 Azimuth: 272.03

Sun: Altitude: -34.18 Azimuth: 110.35

Moon: Altitude: -60.66 Azimuth: 246.79

Tavrida

Object: Altitude: 11.88 Azimuth: 266.38

Sun: Altitude: -28.07 Azimuth: 103.90

Moon: Altitude: -65.46 Azimuth: 233.17

SAAO

Object: Altitude: -11.83 Azimuth: 264.51

Sun: Altitude: -7.79 Azimuth: 72.39

Moon: Altitude: -29.43 Azimuth: 351.02

IAC

Object: Altitude: -31.11 Azimuth: 234.87

Sun: Altitude: 13.06 Azimuth: 70.40

Moon: Altitude: -64.88 Azimuth: 84.77

Argentina

Object: Altitude: -68.01 Azimuth: 19.57

Sun: Altitude: 63.94 Azimuth: 141.64

Moon: Altitude: 7.49 Azimuth: 62.08

Mexico

Object: Altitude: -27.46 Azimuth: 124.15

Sun: Altitude: 42.12 Azimuth: 325.97

Moon: Altitude: 9.64 Azimuth: 49.39

Ural

Object: Altitude: 25.97 Azimuth: 291.41

Sun: Altitude: -36.14 Azimuth: 135.64

Moon: Altitude: -45.57 Azimuth: 249.10

Vostryakovo

Object: Altitude: 14.50 Azimuth: 271.79

Sun: Altitude: -27.06 Azimuth: 112.51

Moon: Altitude: -56.56 Azimuth: 224.47

Gal. latitude: 68.961316 Gal. longitude: 262.033036

Dist. to Sun: 156.971487

Dist. to Moon: 81.215403

Moon coord.: (252.358217 d, -27.601852 d)

Sun coord.: (334.949857 d, -10.405092 d)

Lunar disk: 0.403247

Lunar phase: 101.157405

Lunar bright limb: 95.940097

No SN in this field

2025-02-21 17:59:29 (JD 2460728.249641)

Siderial time 6.626381 h

Ra 11:53:31.75 Dec 10:53:10.00
(178.382292d, 10.886111d)

Rise 2025-02-22 19:01:53

Transit 2025-02-23 02:10:37

Set 2025-02-22 09:23:18

Amur

Object: Altitude: 49.56 Azimuth: 16.60

Sun: Altitude: -41.13 Azimuth: 227.39

Moon: Altitude: -5.80 Azimuth: 307.37

Tunka

Object: Altitude: 47.62 Azimuth: 340.06

Sun: Altitude: -47.82 Azimuth: 194.57

Moon: Altitude: -19.94 Azimuth: 289.65

Kislovodsk

Object: Altitude: 18.98 Azimuth: 273.02

Sun: Altitude: -35.12 Azimuth: 111.57

Moon: Altitude: -59.77 Azimuth: 248.39

Tavrida

Object: Altitude: 12.88 Azimuth: 267.35

Sun: Altitude: -29.03 Azimuth: 105.02

Moon: Altitude: -64.69 Azimuth: 235.34

SAAO

Object: Altitude: -10.65 Azimuth: 263.78

Sun: Altitude: -8.91 Azimuth: 71.59

Moon: Altitude: -29.24 Azimuth: 349.66

IAC

Object: Altitude: -30.09 Azimuth: 235.95

Sun: Altitude: 11.89 Azimuth: 71.15

Moon: Altitude: -66.06 Azimuth: 85.16

Argentina

Object: Altitude: -68.38 Azimuth: 15.99

Sun: Altitude: 63.17 Azimuth: 139.06

Moon: Altitude: 6.48 Azimuth: 61.42

Mexico

Object: Altitude: -28.45 Azimuth: 125.24

Sun: Altitude: 42.78 Azimuth: 327.61

Moon: Altitude: 8.75 Azimuth: 50.21

Ural

Object: Altitude: 26.68 Azimuth: 292.73

Sun: Altitude: -36.66 Azimuth: 137.22

Moon: Altitude: -44.89 Azimuth: 250.50

Vostryakovo

Object: Altitude: 15.30 Azimuth: 272.96

Sun: Altitude: -27.79 Azimuth: 113.83

Moon: Altitude: -56.02 Azimuth: 226.40

Gal. latitude: 68.961316 Gal. longitude: 262.033036

Dist. to Sun: 156.975052

Dist. to Moon: 81.262626

Moon coord.: (252.411648 d, -27.608604 d)

Sun coord.: (334.953573 d, -10.403680 d)

Lunar disk: 0.402872

Lunar phase: 101.201292

Lunar bright limb: 95.915336

No SN in this field

2025-02-21 18:59:29 (JD 2460728.291308)

Siderial time 7.629119 h

Ra 11:53:31.75 Dec 10:53:10.00
(178.382292d, 10.886111d)

Rise 2025-02-22 19:01:53

Transit 2025-02-23 02:10:37

Set 2025-02-22 09:23:18

Amur

Object: Altitude: 45.18 Azimuth: 37.51

Sun: Altitude: -33.25 Azimuth: 243.10

Moon: Altitude: 0.91 Azimuth: 318.30

Tunka

Object: Altitude: 49.06 Azimuth: 2.25

Sun: Altitude: -43.90 Azimuth: 215.07

Moon: Altitude: -11.88 Azimuth: 300.02

Kislovodsk

Object: Altitude: 29.70 Azimuth: 284.19

Sun: Altitude: -44.59 Azimuth: 126.38

Moon: Altitude: -49.71 Azimuth: 262.27

Tavrida

Object: Altitude: 23.54 Azimuth: 278.14

Sun: Altitude: -38.92 Azimuth: 118.27

Moon: Altitude: -55.46 Azimuth: 253.39

SAAO

Object: Altitude: 1.84 Azimuth: 255.87

Sun: Altitude: -20.57 Azimuth: 62.22

Moon: Altitude: -25.53 Azimuth: 335.84

IAC

Object: Altitude: -18.50 Azimuth: 246.02

Sun: Altitude: -0.85 Azimuth: 78.65

Moon: Altitude: -78.79 Azimuth: 90.17

Argentina

Object: Altitude: -67.45 Azimuth: 336.08

Sun: Altitude: 53.14 Azimuth: 118.25

Moon: Altitude: -3.86 Azimuth: 53.86

Mexico

Object: Altitude: -38.06 Azimuth: 138.71

Sun: Altitude: 47.75 Azimuth: 347.42

Moon: Altitude: -1.35 Azimuth: 58.11

Ural

Object: Altitude: 33.74 Azimuth: 307.77

Sun: Altitude: -41.18 Azimuth: 155.32

Moon: Altitude: -37.28 Azimuth: 264.21

Vostryakovo

Object: Altitude: 23.71 Azimuth: 285.85

Sun: Altitude: -35.04 Azimuth: 128.92

Moon: Altitude: -49.31 Azimuth: 244.50

Gal. latitude: 68.961316 Gal. longitude: 262.033036

Dist. to Sun: 157.013240

Dist. to Moon: 81.768871

Moon coord.: (252.984837 d, -27.679695 d)

Sun coord.: (334.993379 d, -10.388546 d)

Lunar disk: 0.398847

Lunar phase: 101.671786

Lunar bright limb: 95.649273

No SN in this field

2025-06-19 12:02:35 (JD 2460846.001794)

Siderial time 8.415521 h

Ra 11:53:31.75 Dec 10:53:10.00
(178.382292d, 10.886111d)

Rise 2025-06-20 11:17:56

Transit 2025-06-20 18:26:40

Set 2025-06-21 01:35:24

Amur

Object: Altitude: 39.89 Azimuth: 51.53

Sun: Altitude: -3.20 Azimuth: 133.73

Moon: Altitude: -29.79 Azimuth: 215.15

Tunka

Object: Altitude: 47.67 Azimuth: 19.60

Sun: Altitude: 10.24 Azimuth: 115.08

Moon: Altitude: -33.93 Azimuth: 186.79

Kislovodsk

Object: Altitude: 37.75 Azimuth: 294.23

Sun: Altitude: 49.30 Azimuth: 74.41

Moon: Altitude: -21.44 Azimuth: 118.75

Tavrida

Object: Altitude: 31.70 Azimuth: 287.43

Sun: Altitude: 54.67 Azimuth: 64.56

Moon: Altitude: -15.51 Azimuth: 112.23

SAAO

Object: Altitude: 11.34 Azimuth: 249.19

Sun: Altitude: 30.53 Azimuth: 157.04

Moon: Altitude: -13.47 Azimuth: 86.23

IAC

Object: Altitude: -8.79 Azimuth: 252.52

Sun: Altitude: 74.96 Azimuth: 285.26

Moon: Altitude: 22.94 Azimuth: 81.91

Argentina

Object: Altitude: -61.54 Azimuth: 312.66

Sun: Altitude: 4.26 Azimuth: 238.97

Moon: Altitude: 51.99 Azimuth: 158.20

Mexico

Object: Altitude: -43.82 Azimuth: 152.04

Sun: Altitude: -3.44 Azimuth: 239.92

Moon: Altitude: 52.41 Azimuth: 310.29

Ural

Object: Altitude: 38.33 Azimuth: 320.94

Sun: Altitude: 35.57 Azimuth: 78.22

Moon: Altitude: -21.66 Azimuth: 138.78

Vostryakovo

Object: Altitude: 29.95 Azimuth: 296.80

Sun: Altitude: 47.33 Azimuth: 57.40

Moon: Altitude: -13.21 Azimuth: 117.89

Gal. latitude: 68.961316 Gal. longitude: 262.033036

Dist. to Sun: 86.091207

Dist. to Moon: 163.228387

Moon coord.: (6.035269 d, 4.055839 d)

Sun coord.: (87.941142 d, 23.433511 d)

Lunar disk: 0.422857

Lunar phase: 98.875419

Lunar bright limb: 66.892014

No SN in this field
Recent coverage and limits telegrams

MASTER, 2002-2025