MASTER Net MASTER Database: LIGO S250227e 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

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 S250227e
GCN Circulars | GCN Notices | GraceDB | VOEvents
Type 152 (last error box)
Trigger time 2025-02-27 00:12:45
Notice time 2025-02-27 17:40:12.226254
Distance 2003.98 ± 527.279 Mpc
BNS BHH NSBH Gap Terr
0 52 0 0 48
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
[%] 10.9 6.5 5.8
2025-03-13 00:12:45 336.0 318.5 5.8
datetime T - Trig [h] T - Not [h] Area [sq. deg]
Box 50% 90% FULL
[%] 10.9 6.5 5.8
2025-03-12 00:12:45 312.0 294.5 5.8
datetime T - Trig [h] T - Not [h] Area [sq. deg]
Box 50% 90% FULL
[%] 10.9 6.5 5.8
2025-03-11 00:12:45 288.0 270.5 5.8
datetime T - Trig [h] T - Not [h] Area [sq. deg]
Box 50% 90% FULL
[%] 10.9 6.5 5.8
2025-03-10 00:12:45 264.0 246.5 5.8
datetime T - Trig [h] T - Not [h] Area [sq. deg]
Box 50% 90% FULL
[%] 10.9 6.5 5.8
2025-03-09 00:12:45 240.0 222.5 5.8
datetime T - Trig [h] T - Not [h] Area [sq. deg]
Box 50% 90% FULL
[%] 10.9 6.5 5.8
2025-03-08 00:12:45 216.0 198.5 5.8
datetime T - Trig [h] T - Not [h] Area [sq. deg]
Box 50% 90% FULL
[%] 10.9 6.5 5.8
2025-03-07 00:12:45 192.0 174.5 5.8
datetime T - Trig [h] T - Not [h] Area [sq. deg]
Box 50% 90% FULL
[%] 10.9 6.5 5.8
2025-03-06 00:12:45 168.0 150.5 5.8
datetime T - Trig [h] T - Not [h] Area [sq. deg]
Box 50% 90% FULL
[%] 10.9 6.5 5.8
2025-03-05 00:12:45 144.0 126.5 5.6
datetime T - Trig [h] T - Not [h] Area [sq. deg]
Box 50% 90% FULL
[%] 10.6 6.3 5.7
2025-03-04 00:12:45 120.0 102.5 5.6
datetime T - Trig [h] T - Not [h] Area [sq. deg]
Box 50% 90% FULL
[%] 10.7 6.5 5.9
2025-03-03 00:12:45 96.0 78.5 5.6
datetime T - Trig [h] T - Not [h] Area [sq. deg]
Box 50% 90% FULL
[%] 10.7 6.5 5.9
2025-03-02 00:12:45 72.0 54.5 5.6
datetime T - Trig [h] T - Not [h] Area [sq. deg]
Box 50% 90% FULL
[%] 10.7 6.5 5.8
2025-03-01 00:12:45 48.0 30.5 5.5
datetime T - Trig [h] T - Not [h] Area [sq. deg]
Box 50% 90% FULL
[%] 10.2 5.7 5.1
2025-02-28 00:12:45 24.0 6.5 2.4
datetime T - Trig [h] T - Not [h] Area [sq. deg]
Box 50% 90% FULL
[%] 5.9 3.3 2.9
2025-02-27 12:12:45 12.0 -5.5 4.0
datetime T - Trig [h] T - Not [h] Area [sq. deg]
Box 50% 90% FULL
[%] 7.0 3.9 3.5
2025-02-27 06:12:45 6.0 -11.5 4.0
datetime T - Trig [h] T - Not [h] Area [sq. deg]
Box 50% 90% FULL
[%] 9.9 5.5 4.9
2025-02-27 01:12:45 1.0 -16.5 4.0

Map with WFC

Discoveries in this field
No discoveries yet!

Synchronous WFC images
datetime coord2000 observatory camera links
2025-02-27 00:10:32.473 06h 01m 35.46s -31d 48m 08.1s OAFA 29008 Database OAFA
2025-02-27 00:11:14.517 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-'2025-02-27 00:12:45')<'10 minutes'::interval order by gn,seq desc,errorbox asc;
trigger notice notice+1hr now

2025-02-27 00:12:45 (JD 2460733.508854)

Siderial time 13.193075 h

Ra 19:17:00.00 Dec 05:38:30.10
(289.248042d, 5.641694d)

Rise 2025-02-28 02:36:50

Transit 2025-02-27 09:17:09

Set 2025-02-27 15:53:32

Amur

Object: Altitude: 45.31 Azimuth: 357.90

Sun: Altitude: 15.90 Azimuth: 305.66

Moon: Altitude: 14.92 Azimuth: 320.24

Tunka

Object: Altitude: 39.10 Azimuth: 325.93

Sun: Altitude: 1.50 Azimuth: 285.74

Moon: Altitude: 2.26 Azimuth: 299.81

Kislovodsk

Object: Altitude: 6.46 Azimuth: 268.36

Sun: Altitude: -38.72 Azimuth: 239.58

Moon: Altitude: -36.09 Azimuth: 257.02

Tavrida

Object: Altitude: 0.47 Azimuth: 262.51

Sun: Altitude: -43.13 Azimuth: 229.89

Moon: Altitude: -41.62 Azimuth: 248.88

SAAO

Object: Altitude: -18.33 Azimuth: 275.02

Sun: Altitude: -44.45 Azimuth: 330.01

Moon: Altitude: -32.04 Azimuth: 321.49

IAC

Object: Altitude: -42.48 Azimuth: 229.88

Sun: Altitude: -64.98 Azimuth: 139.34

Moon: Altitude: -77.18 Azimuth: 162.35

Argentina

Object: Altitude: -58.74 Azimuth: 37.01

Sun: Altitude: -12.93 Azimuth: 71.34

Moon: Altitude: -17.54 Azimuth: 57.54

Mexico

Object: Altitude: -22.57 Azimuth: 112.00

Sun: Altitude: 12.39 Azimuth: 72.05

Moon: Altitude: -1.69 Azimuth: 72.26

Ural

Object: Altitude: 15.83 Azimuth: 284.44

Sun: Altitude: -23.17 Azimuth: 248.53

Moon: Altitude: -23.14 Azimuth: 263.86

Vostryakovo

Object: Altitude: 3.98 Azimuth: 265.84

Sun: Altitude: -34.26 Azimuth: 227.66

Moon: Altitude: -35.17 Azimuth: 244.78

Gal. latitude: -3.577724 Gal. longitude: 41.242032

Dist. to Sun: 52.479748

Dist. to Moon: 43.858955

Moon coord.: (327.780510 d, -16.030550 d)

Sun coord.: (339.944393 d, -8.459449 d)

Lunar disk: 0.015094

Lunar phase: 165.885810

Lunar bright limb: 58.928207

No SN in this field

2025-02-27 17:40:12 (JD 2460734.236250)

Siderial time 6.698372 h

Ra 19:17:00.00 Dec 05:38:30.10
(289.248042d, 5.641694d)

Rise 2025-03-01 02:32:55

Transit 2025-02-28 09:13:14

Set 2025-02-28 15:49:36

Amur

Object: Altitude: -1.30 Azimuth: 259.55

Sun: Altitude: -41.19 Azimuth: 220.68

Moon: Altitude: -42.83 Azimuth: 226.29

Tunka

Object: Altitude: -15.11 Azimuth: 239.47

Sun: Altitude: -46.16 Azimuth: 187.58

Moon: Altitude: -49.14 Azimuth: 192.54

Kislovodsk

Object: Altitude: -40.49 Azimuth: 174.94

Sun: Altitude: -30.40 Azimuth: 109.45

Moon: Altitude: -34.88 Azimuth: 109.29

Tavrida

Object: Altitude: -38.42 Azimuth: 164.21

Sun: Altitude: -24.28 Azimuth: 103.12

Moon: Altitude: -28.75 Azimuth: 102.88

SAAO

Object: Altitude: -54.16 Azimuth: 47.21

Sun: Altitude: -6.45 Azimuth: 76.03

Moon: Altitude: -7.02 Azimuth: 71.56

IAC

Object: Altitude: -20.64 Azimuth: 108.79

Sun: Altitude: 16.91 Azimuth: 70.57

Moon: Altitude: 12.59 Azimuth: 69.36

Argentina

Object: Altitude: 18.37 Azimuth: 109.14

Sun: Altitude: 63.51 Azimuth: 150.30

Moon: Altitude: 64.95 Azimuth: 140.53

Mexico

Object: Altitude: 56.53 Azimuth: 45.36

Sun: Altitude: 42.39 Azimuth: 320.77

Moon: Altitude: 41.08 Azimuth: 326.52

Ural

Object: Altitude: -26.41 Azimuth: 194.64

Sun: Altitude: -32.86 Azimuth: 133.18

Moon: Altitude: -37.10 Azimuth: 134.93

Vostryakovo

Object: Altitude: -28.56 Azimuth: 170.27

Sun: Altitude: -23.49 Azimuth: 110.88

Moon: Altitude: -27.91 Azimuth: 111.70

Gal. latitude: -3.577724 Gal. longitude: 41.242032

Dist. to Sun: 53.073883

Dist. to Moon: 51.056830

Moon coord.: (337.587397 d, -11.517375 d)

Sun coord.: (340.629472 d, -8.185643 d)

Lunar disk: 0.001531

Lunar phase: 175.515639

Lunar bright limb: 42.254926

No SN in this field

2025-02-27 18:40:12 (JD 2460734.277917)

Siderial time 7.701110 h

Ra 19:17:00.00 Dec 05:38:30.10
(289.248042d, 5.641694d)

Rise 2025-03-01 02:32:55

Transit 2025-02-28 09:13:14

Set 2025-02-28 15:49:36

Amur

Object: Altitude: 8.25 Azimuth: 271.10

Sun: Altitude: -33.95 Azimuth: 237.09

Moon: Altitude: -35.12 Azimuth: 241.69

Tunka

Object: Altitude: -6.65 Azimuth: 252.05

Sun: Altitude: -43.29 Azimuth: 208.15

Moon: Altitude: -45.41 Azimuth: 212.82

Kislovodsk

Object: Altitude: -39.59 Azimuth: 194.49

Sun: Altitude: -40.10 Azimuth: 123.28

Moon: Altitude: -44.05 Azimuth: 123.39

Tavrida

Object: Altitude: -39.57 Azimuth: 183.44

Sun: Altitude: -34.31 Azimuth: 115.71

Moon: Altitude: -38.26 Azimuth: 115.58

SAAO

Object: Altitude: -61.51 Azimuth: 22.43

Sun: Altitude: -18.47 Azimuth: 67.09

Moon: Altitude: -18.47 Azimuth: 62.92

IAC

Object: Altitude: -32.77 Azimuth: 118.65

Sun: Altitude: 4.20 Azimuth: 78.38

Moon: Altitude: 0.52 Azimuth: 76.91

Argentina

Object: Altitude: 6.02 Azimuth: 100.47

Sun: Altitude: 54.92 Azimuth: 126.30

Moon: Altitude: 55.24 Azimuth: 119.40

Mexico

Object: Altitude: 46.06 Azimuth: 62.65

Sun: Altitude: 48.80 Azimuth: 340.00

Moon: Altitude: 46.49 Azimuth: 344.77

Ural

Object: Altitude: -23.25 Azimuth: 210.78

Sun: Altitude: -37.89 Azimuth: 150.35

Moon: Altitude: -41.52 Azimuth: 152.41

Vostryakovo

Object: Altitude: -28.74 Azimuth: 187.34

Sun: Altitude: -30.99 Azimuth: 125.32

Moon: Altitude: -34.87 Azimuth: 126.23

Gal. latitude: -3.577724 Gal. longitude: 41.242032

Dist. to Sun: 53.107981

Dist. to Moon: 51.498986

Moon coord.: (338.142611 d, -11.245743 d)

Sun coord.: (340.668677 d, -8.169926 d)

Lunar disk: 0.001193

Lunar phase: 176.041243

Lunar bright limb: 39.220830

No SN in this field

2025-04-30 12:13:24 (JD 2460796.009306)

Siderial time 5.310802 h

Ra 19:17:00.00 Dec 05:38:30.10
(289.248042d, 5.641694d)

Rise 2025-05-01 22:29:08

Transit 2025-05-01 05:09:27

Set 2025-05-01 11:45:50

Amur

Object: Altitude: -13.85 Azimuth: 242.89

Sun: Altitude: -12.42 Azimuth: 132.53

Moon: Altitude: 19.34 Azimuth: 110.83

Tunka

Object: Altitude: -24.92 Azimuth: 220.01

Sun: Altitude: 1.25 Azimuth: 112.73

Moon: Altitude: 34.60 Azimuth: 92.58

Kislovodsk

Object: Altitude: -35.82 Azimuth: 149.17

Sun: Altitude: 40.84 Azimuth: 68.97

Moon: Altitude: 72.95 Azimuth: 25.03

Tavrida

Object: Altitude: -31.50 Azimuth: 140.29

Sun: Altitude: 45.91 Azimuth: 59.69

Moon: Altitude: 73.25 Azimuth: 358.67

SAAO

Object: Altitude: -39.22 Azimuth: 68.45

Sun: Altitude: 36.97 Azimuth: 148.97

Moon: Altitude: 28.26 Azimuth: 193.68

IAC

Object: Altitude: -2.83 Azimuth: 97.95

Sun: Altitude: 72.47 Azimuth: 317.67

Moon: Altitude: 45.41 Azimuth: 257.71

Argentina

Object: Altitude: 34.19 Azimuth: 124.14

Sun: Altitude: 12.31 Azimuth: 243.66

Moon: Altitude: -25.21 Azimuth: 251.44

Mexico

Object: Altitude: 64.49 Azimuth: 5.58

Sun: Altitude: -5.51 Azimuth: 249.00

Moon: Altitude: -22.12 Azimuth: 213.30

Ural

Object: Altitude: -27.01 Azimuth: 171.43

Sun: Altitude: 26.48 Azimuth: 75.97

Moon: Altitude: 55.98 Azimuth: 42.01

Vostryakovo

Object: Altitude: -24.31 Azimuth: 147.59

Sun: Altitude: 38.13 Azimuth: 55.66

Moon: Altitude: 62.49 Azimuth: 6.43

Gal. latitude: -3.577724 Gal. longitude: 41.242032

Dist. to Sun: 106.164152

Dist. to Moon: 133.866019

Moon coord.: (76.494483 d, 27.980894 d)

Sun coord.: (37.642649 d, 14.836053 d)

Lunar disk: 0.107947

Lunar phase: 141.638054

Lunar bright limb: 258.214822

No SN in this field
Recent coverage and limits telegrams

MASTER, 2002-2025