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 S250228p
GCN Circulars | GCN Notices | GraceDB | VOEvents
Type 150
Trigger time 2025-02-28 01:38:39
Notice time 2025-02-28 01:44:58.908043
Distance 3823.83 ± 1352.44 Mpc
BNS BHH NSBH Gap Terr
0 80 0 5 20
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
[%] 33.5 26.4 29.4
2025-03-14 01:38:39 336.0 335.9 1623.3

Map with WFC

Discoveries in this field
No discoveries yet!

Synchronous WFC images
datetime coord2000 observatory camera links
2025-02-28 01:36:26.883 07h 31m 40.53s -31d 48m 08.1s OAFA 29008 Database OAFA
2025-02-28 01:37:09.774 00h 00m 00.00s +00d 00m 00.0s 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-'2025-02-28 01:38:39')<'10 minutes'::interval order by gn,seq desc,errorbox asc;
trigger notice notice+1hr now

2025-02-28 01:38:39 (JD 2460734.568507)

Siderial time 14.694371 h

Ra 04:00:00.00 Dec 00:00:00.00
( 60.000000d, 0.000000d)

Rise 2025-02-28 11:51:46

Transit 2025-02-28 17:54:48

Set 2025-02-28 23:57:50

Amur

Object: Altitude: -12.44 Azimuth: 254.58

Sun: Altitude: 25.84 Azimuth: 325.87

Moon: Altitude: 24.29 Azimuth: 325.31

Tunka

Object: Altitude: -25.50 Azimuth: 232.67

Sun: Altitude: 13.90 Azimuth: 303.25

Moon: Altitude: 12.28 Azimuth: 303.01

Kislovodsk

Object: Altitude: -44.33 Azimuth: 159.25

Sun: Altitude: -23.97 Azimuth: 257.69

Moon: Altitude: -25.60 Azimuth: 257.88

Tavrida

Object: Altitude: -40.77 Azimuth: 148.68

Sun: Altitude: -29.56 Azimuth: 250.43

Moon: Altitude: -31.19 Azimuth: 250.53

SAAO

Object: Altitude: -42.83 Azimuth: 54.00

Sun: Altitude: -32.67 Azimuth: 307.14

Moon: Altitude: -32.44 Azimuth: 309.06

IAC

Object: Altitude: -14.30 Azimuth: 97.89

Sun: Altitude: -69.14 Azimuth: 195.01

Moon: Altitude: -70.59 Azimuth: 192.83

Argentina

Object: Altitude: 30.39 Azimuth: 111.32

Sun: Altitude: -29.66 Azimuth: 57.11

Moon: Altitude: -28.04 Azimuth: 56.90

Mexico

Object: Altitude: 56.79 Azimuth: 23.11

Sun: Altitude: -5.40 Azimuth: 83.83

Moon: Altitude: -5.14 Azimuth: 82.21

Ural

Object: Altitude: -32.93 Azimuth: 182.79

Sun: Altitude: -11.43 Azimuth: 267.19

Moon: Altitude: -13.06 Azimuth: 267.01

Vostryakovo

Object: Altitude: -32.40 Azimuth: 156.84

Sun: Altitude: -23.55 Azimuth: 248.78

Moon: Altitude: -25.17 Azimuth: 248.55

Gal. latitude: -36.650883 Gal. longitude: 190.314289

Dist. to Sun: 79.167413

Dist. to Moon: 78.162580

Moon coord.: (341.998063 d, -9.318573 d)

Sun coord.: (340.941994 d, -8.060221 d)

Lunar disk: 0.000203

Lunar phase: 178.365886

Lunar bright limb: 320.223874

No SN in this field

2025-02-28 01:44:58 (JD 2460734.572894)

Siderial time 14.799937 h

Ra 04:00:00.00 Dec 00:00:00.00
( 60.000000d, 0.000000d)

Rise 2025-02-28 11:51:46

Transit 2025-02-28 17:54:48

Set 2025-02-28 23:57:50

Amur

Object: Altitude: -11.46 Azimuth: 255.85

Sun: Altitude: 26.40 Azimuth: 327.50

Moon: Altitude: 24.86 Azimuth: 326.84

Tunka

Object: Altitude: -24.72 Azimuth: 234.19

Sun: Altitude: 14.71 Azimuth: 304.63

Moon: Altitude: 13.09 Azimuth: 304.31

Kislovodsk

Object: Altitude: -44.72 Azimuth: 161.41

Sun: Altitude: -22.85 Azimuth: 258.88

Moon: Altitude: -24.50 Azimuth: 259.01

Tavrida

Object: Altitude: -41.34 Azimuth: 150.64

Sun: Altitude: -28.50 Azimuth: 251.74

Moon: Altitude: -30.14 Azimuth: 251.79

SAAO

Object: Altitude: -43.90 Azimuth: 52.39

Sun: Altitude: -31.60 Azimuth: 305.80

Moon: Altitude: -31.45 Azimuth: 307.73

IAC

Object: Altitude: -15.68 Azimuth: 98.69

Sun: Altitude: -68.73 Azimuth: 199.21

Moon: Altitude: -70.22 Azimuth: 197.18

Argentina

Object: Altitude: 29.13 Azimuth: 110.22

Sun: Altitude: -30.78 Azimuth: 55.85

Moon: Altitude: -29.14 Azimuth: 55.73

Mexico

Object: Altitude: 56.23 Azimuth: 25.79

Sun: Altitude: -6.74 Azimuth: 84.63

Moon: Altitude: -6.42 Azimuth: 83.00

Ural

Object: Altitude: -32.88 Azimuth: 184.67

Sun: Altitude: -10.57 Azimuth: 268.52

Moon: Altitude: -12.20 Azimuth: 268.28

Vostryakovo

Object: Altitude: -32.74 Azimuth: 158.68

Sun: Altitude: -22.70 Azimuth: 250.21

Moon: Altitude: -24.33 Azimuth: 249.93

Gal. latitude: -36.650883 Gal. longitude: 190.314289

Dist. to Sun: 79.163286

Dist. to Moon: 78.104371

Moon coord.: (342.056053 d, -9.289072 d)

Sun coord.: (340.946118 d, -8.058564 d)

Lunar disk: 0.000207

Lunar phase: 178.351940

Lunar bright limb: 318.175770

No SN in this field

2025-02-28 02:44:58 (JD 2460734.614560)

Siderial time 15.802675 h

Ra 04:00:00.00 Dec 00:00:00.00
( 60.000000d, 0.000000d)

Rise 2025-02-28 11:51:46

Transit 2025-02-28 17:54:48

Set 2025-02-28 23:57:50

Amur

Object: Altitude: -1.98 Azimuth: 267.62

Sun: Altitude: 30.37 Azimuth: 343.79

Moon: Altitude: 29.12 Azimuth: 342.18

Tunka

Object: Altitude: -16.59 Azimuth: 247.74

Sun: Altitude: 21.66 Azimuth: 318.46

Moon: Altitude: 20.12 Azimuth: 317.33

Kislovodsk

Object: Altitude: -46.22 Azimuth: 182.81

Sun: Altitude: -12.07 Azimuth: 269.62

Moon: Altitude: -13.90 Azimuth: 269.22

Tavrida

Object: Altitude: -44.89 Azimuth: 170.72

Sun: Altitude: -18.09 Azimuth: 263.31

Moon: Altitude: -19.91 Azimuth: 262.85

SAAO

Object: Altitude: -52.63 Azimuth: 33.86

Sun: Altitude: -20.65 Azimuth: 294.58

Moon: Altitude: -21.27 Azimuth: 296.48

IAC

Object: Altitude: -28.58 Azimuth: 107.06

Sun: Altitude: -61.05 Azimuth: 229.82

Moon: Altitude: -62.85 Azimuth: 228.68

Argentina

Object: Altitude: 16.82 Azimuth: 100.80

Sun: Altitude: -40.42 Azimuth: 41.89

Moon: Altitude: -38.71 Azimuth: 42.86

Mexico

Object: Altitude: 48.50 Azimuth: 47.10

Sun: Altitude: -19.57 Azimuth: 92.34

Moon: Altitude: -18.67 Azimuth: 90.60

Ural

Object: Altitude: -30.97 Azimuth: 202.27

Sun: Altitude: -2.44 Azimuth: 281.05

Moon: Altitude: -4.12 Azimuth: 280.22

Vostryakovo

Object: Altitude: -34.57 Azimuth: 176.64

Sun: Altitude: -14.41 Azimuth: 263.23

Moon: Altitude: -16.12 Azimuth: 262.43

Gal. latitude: -36.650883 Gal. longitude: 190.314289

Dist. to Sun: 79.124085

Dist. to Moon: 77.551404

Moon coord.: (342.606600 d, -9.008288 d)

Sun coord.: (340.985292 d, -8.042820 d)

Lunar disk: 0.000267

Lunar phase: 178.125999

Lunar bright limb: 300.914925

No SN in this field

2025-06-19 21:11:31 (JD 2460846.382998)

Siderial time 17.589459 h

Ra 04:00:00.00 Dec 00:00:00.00
( 60.000000d, 0.000000d)

Rise 2025-06-20 04:31:25

Transit 2025-06-20 10:34:26

Set 2025-06-20 16:37:28

Amur

Object: Altitude: 14.88 Azimuth: 288.67

Sun: Altitude: 15.00 Azimuth: 251.22

Moon: Altitude: 43.99 Azimuth: 336.03

Tunka

Object: Altitude: -0.44 Azimuth: 269.44

Sun: Altitude: 2.13 Azimuth: 233.38

Moon: Altitude: 33.36 Azimuth: 307.95

Kislovodsk

Object: Altitude: -39.30 Azimuth: 218.43

Sun: Altitude: -22.81 Azimuth: 180.41

Moon: Altitude: -4.06 Azimuth: 256.88

Tavrida

Object: Altitude: -41.80 Azimuth: 207.65

Sun: Altitude: -21.43 Azimuth: 172.02

Moon: Altitude: -9.63 Azimuth: 250.62

SAAO

Object: Altitude: -56.95 Azimuth: 347.02

Sun: Altitude: -69.21 Azimuth: 69.92

Moon: Altitude: -31.86 Azimuth: 283.55

IAC

Object: Altitude: -49.49 Azimuth: 129.07

Sun: Altitude: -13.42 Azimuth: 126.36

Moon: Altitude: -50.64 Azimuth: 210.48

Argentina

Object: Altitude: -5.86 Azimuth: 86.35

Sun: Altitude: 4.32 Azimuth: 121.08

Moon: Altitude: -49.55 Azimuth: 58.71

Mexico

Object: Altitude: 28.75 Azimuth: 70.71

Sun: Altitude: 64.47 Azimuth: 79.43

Moon: Altitude: -9.29 Azimuth: 103.54

Ural

Object: Altitude: -22.31 Azimuth: 230.75

Sun: Altitude: -8.20 Azimuth: 196.12

Moon: Altitude: 8.21 Azimuth: 270.55

Vostryakovo

Object: Altitude: -31.26 Azimuth: 208.45

Sun: Altitude: -11.09 Azimuth: 175.98

Moon: Altitude: -3.93 Azimuth: 252.43

Gal. latitude: -36.650883 Gal. longitude: 190.314289

Dist. to Sun: 36.143414

Dist. to Moon: 49.508071

Moon coord.: (10.817483 d, 6.583760 d)

Sun coord.: (88.337614 d, 23.438186 d)

Lunar disk: 0.380021

Lunar phase: 103.884023

Lunar bright limb: 67.418522

No SN in this field
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