MASTER Net MASTER Database: LIGO G298389 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

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Name LVC G298389
GCN Circulars | GCN Notices | GraceDB | VOEvents
Type 151 (last error box)
Trigger time 2017-08-19 15:50:46
Notice time 2017-08-19 19:06:40.924936
Distance ± Mpc
BNS BHH NSBH Gap Terr
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
[%] 1.7
2017-09-18 15:50:46 720.0 716.7 63.3

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-'2017-08-19 15:50:46')<'10 minutes'::interval order by gn,seq desc,errorbox asc;
trigger notice notice+1hr now

2025-04-30 12:09:58 (JD 2460796.006921)

Siderial time 5.253423 h

Ra 00:00:00.00 Dec 03:00:00.00
( 0.000000d, 3.000000d)

Rise 2025-05-01 03:31:01

Transit 2025-05-01 09:51:41

Set 2025-05-01 16:12:21

Amur

Object: Altitude: -35.80 Azimuth: 166.00

Sun: Altitude: -12.01 Azimuth: 131.79

Moon: Altitude: 19.83 Azimuth: 110.26

Tunka

Object: Altitude: -27.38 Azimuth: 138.92

Sun: Altitude: 1.74 Azimuth: 112.06

Moon: Altitude: 35.10 Azimuth: 91.94

Kislovodsk

Object: Altitude: 6.62 Azimuth: 87.81

Sun: Altitude: 41.42 Azimuth: 68.17

Moon: Altitude: 73.19 Azimuth: 22.67

Tavrida

Object: Altitude: 12.60 Azimuth: 81.61

Sun: Altitude: 46.44 Azimuth: 58.76

Moon: Altitude: 73.22 Azimuth: 356.16

SAAO

Object: Altitude: 21.59 Azimuth: 108.52

Sun: Altitude: 37.34 Azimuth: 149.91

Moon: Altitude: 28.10 Azimuth: 194.48

IAC

Object: Altitude: 55.47 Azimuth: 47.34

Sun: Altitude: 71.95 Azimuth: 315.56

Moon: Altitude: 44.71 Azimuth: 257.48

Argentina

Object: Altitude: 46.12 Azimuth: 222.81

Sun: Altitude: 11.66 Azimuth: 244.18

Moon: Altitude: -25.87 Azimuth: 251.78

Mexico

Object: Altitude: 19.32 Azimuth: 278.41

Sun: Altitude: -6.19 Azimuth: 248.53

Moon: Altitude: -22.50 Azimuth: 212.63

Ural

Object: Altitude: -3.28 Azimuth: 100.64

Sun: Altitude: 26.93 Azimuth: 75.19

Moon: Altitude: 56.27 Azimuth: 40.82

Vostryakovo

Object: Altitude: 8.71 Azimuth: 82.61

Sun: Altitude: 38.53 Azimuth: 54.73

Moon: Altitude: 62.53 Azimuth: 4.86

Gal. latitude: -57.386646 Gal. longitude: 99.850285

Dist. to Sun: 38.939086

Dist. to Moon: 76.637964

Moon coord.: (76.455208 d, 27.977194 d)

Sun coord.: (37.640374 d, 14.835323 d)

Lunar disk: 0.107771

Lunar phase: 141.670531

Lunar bright limb: 258.192510

No SN in this field

2025-04-30 12:09:59 (JD 2460796.006933)

Siderial time 5.253701 h

Ra 00:00:00.00 Dec 03:00:00.00
( 0.000000d, 3.000000d)

Rise 2025-05-01 03:31:01

Transit 2025-05-01 09:51:41

Set 2025-05-01 16:12:21

Amur

Object: Altitude: -35.80 Azimuth: 166.00

Sun: Altitude: -12.01 Azimuth: 131.79

Moon: Altitude: 19.83 Azimuth: 110.26

Tunka

Object: Altitude: -27.39 Azimuth: 138.93

Sun: Altitude: 1.74 Azimuth: 112.07

Moon: Altitude: 35.10 Azimuth: 91.94

Kislovodsk

Object: Altitude: 6.62 Azimuth: 87.82

Sun: Altitude: 41.42 Azimuth: 68.18

Moon: Altitude: 73.19 Azimuth: 22.68

Tavrida

Object: Altitude: 12.59 Azimuth: 81.62

Sun: Altitude: 46.43 Azimuth: 58.77

Moon: Altitude: 73.22 Azimuth: 356.17

SAAO

Object: Altitude: 21.59 Azimuth: 108.52

Sun: Altitude: 37.34 Azimuth: 149.90

Moon: Altitude: 28.10 Azimuth: 194.47

IAC

Object: Altitude: 55.47 Azimuth: 47.35

Sun: Altitude: 71.96 Azimuth: 315.57

Moon: Altitude: 44.71 Azimuth: 257.48

Argentina

Object: Altitude: 46.12 Azimuth: 222.80

Sun: Altitude: 11.66 Azimuth: 244.18

Moon: Altitude: -25.87 Azimuth: 251.77

Mexico

Object: Altitude: 19.32 Azimuth: 278.42

Sun: Altitude: -6.19 Azimuth: 248.54

Moon: Altitude: -22.50 Azimuth: 212.64

Ural

Object: Altitude: -3.28 Azimuth: 100.65

Sun: Altitude: 26.93 Azimuth: 75.20

Moon: Altitude: 56.27 Azimuth: 40.83

Vostryakovo

Object: Altitude: 8.71 Azimuth: 82.61

Sun: Altitude: 38.53 Azimuth: 54.73

Moon: Altitude: 62.53 Azimuth: 4.87

Gal. latitude: -57.386646 Gal. longitude: 99.850285

Dist. to Sun: 38.939097

Dist. to Moon: 76.638133

Moon coord.: (76.455398 d, 27.977212 d)

Sun coord.: (37.640385 d, 14.835327 d)

Lunar disk: 0.107772

Lunar phase: 141.670373

Lunar bright limb: 258.192618

No SN in this field

2025-04-30 12:10:00 (JD 2460796.006944)

Siderial time 5.253980 h

Ra 00:00:00.00 Dec 03:00:00.00
( 0.000000d, 3.000000d)

Rise 2025-05-01 03:31:01

Transit 2025-05-01 09:51:41

Set 2025-05-01 16:12:21

Amur

Object: Altitude: -35.80 Azimuth: 166.01

Sun: Altitude: -12.02 Azimuth: 131.80

Moon: Altitude: 19.83 Azimuth: 110.27

Tunka

Object: Altitude: -27.39 Azimuth: 138.93

Sun: Altitude: 1.74 Azimuth: 112.07

Moon: Altitude: 35.10 Azimuth: 91.95

Kislovodsk

Object: Altitude: 6.61 Azimuth: 87.82

Sun: Altitude: 41.41 Azimuth: 68.18

Moon: Altitude: 73.19 Azimuth: 22.69

Tavrida

Object: Altitude: 12.59 Azimuth: 81.62

Sun: Altitude: 46.43 Azimuth: 58.77

Moon: Altitude: 73.22 Azimuth: 356.18

SAAO

Object: Altitude: 21.58 Azimuth: 108.51

Sun: Altitude: 37.34 Azimuth: 149.90

Moon: Altitude: 28.10 Azimuth: 194.47

IAC

Object: Altitude: 55.46 Azimuth: 47.35

Sun: Altitude: 71.96 Azimuth: 315.58

Moon: Altitude: 44.71 Azimuth: 257.49

Argentina

Object: Altitude: 46.12 Azimuth: 222.80

Sun: Altitude: 11.66 Azimuth: 244.18

Moon: Altitude: -25.87 Azimuth: 251.77

Mexico

Object: Altitude: 19.32 Azimuth: 278.42

Sun: Altitude: -6.19 Azimuth: 248.54

Moon: Altitude: -22.50 Azimuth: 212.64

Ural

Object: Altitude: -3.28 Azimuth: 100.65

Sun: Altitude: 26.93 Azimuth: 75.20

Moon: Altitude: 56.27 Azimuth: 40.83

Vostryakovo

Object: Altitude: 8.70 Azimuth: 82.61

Sun: Altitude: 38.53 Azimuth: 54.74

Moon: Altitude: 62.53 Azimuth: 4.88

Gal. latitude: -57.386646 Gal. longitude: 99.850285

Dist. to Sun: 38.939108

Dist. to Moon: 76.638303

Moon coord.: (76.455589 d, 27.977230 d)

Sun coord.: (37.640396 d, 14.835330 d)

Lunar disk: 0.107773

Lunar phase: 141.670215

Lunar bright limb: 258.192727

No SN in this field

2025-04-30 12:10:00 (JD 2460796.006944)

Siderial time 5.253980 h

Ra 00:00:00.00 Dec 03:00:00.00
( 0.000000d, 3.000000d)

Rise 2025-05-01 03:31:01

Transit 2025-05-01 09:51:41

Set 2025-05-01 16:12:21

Amur

Object: Altitude: -35.80 Azimuth: 166.01

Sun: Altitude: -12.02 Azimuth: 131.80

Moon: Altitude: 19.83 Azimuth: 110.27

Tunka

Object: Altitude: -27.39 Azimuth: 138.93

Sun: Altitude: 1.74 Azimuth: 112.07

Moon: Altitude: 35.10 Azimuth: 91.95

Kislovodsk

Object: Altitude: 6.61 Azimuth: 87.82

Sun: Altitude: 41.41 Azimuth: 68.18

Moon: Altitude: 73.19 Azimuth: 22.69

Tavrida

Object: Altitude: 12.59 Azimuth: 81.62

Sun: Altitude: 46.43 Azimuth: 58.77

Moon: Altitude: 73.22 Azimuth: 356.18

SAAO

Object: Altitude: 21.58 Azimuth: 108.51

Sun: Altitude: 37.34 Azimuth: 149.90

Moon: Altitude: 28.10 Azimuth: 194.47

IAC

Object: Altitude: 55.46 Azimuth: 47.35

Sun: Altitude: 71.96 Azimuth: 315.58

Moon: Altitude: 44.71 Azimuth: 257.49

Argentina

Object: Altitude: 46.12 Azimuth: 222.80

Sun: Altitude: 11.66 Azimuth: 244.18

Moon: Altitude: -25.87 Azimuth: 251.77

Mexico

Object: Altitude: 19.32 Azimuth: 278.42

Sun: Altitude: -6.19 Azimuth: 248.54

Moon: Altitude: -22.50 Azimuth: 212.64

Ural

Object: Altitude: -3.28 Azimuth: 100.65

Sun: Altitude: 26.93 Azimuth: 75.20

Moon: Altitude: 56.27 Azimuth: 40.83

Vostryakovo

Object: Altitude: 8.70 Azimuth: 82.61

Sun: Altitude: 38.53 Azimuth: 54.74

Moon: Altitude: 62.53 Azimuth: 4.88

Gal. latitude: -57.386646 Gal. longitude: 99.850285

Dist. to Sun: 38.939108

Dist. to Moon: 76.638303

Moon coord.: (76.455589 d, 27.977230 d)

Sun coord.: (37.640396 d, 14.835330 d)

Lunar disk: 0.107773

Lunar phase: 141.670215

Lunar bright limb: 258.192727

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

  ID = 1746
TYPE = 35
DAYS = 10


MASTER-OAFA robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Argentina (OAFA observatory of San Juan National University) started inspect of the LVC G298389 errorbox  66324 sec after trigger time at 2017-08-20 10:16:10 UT, with upper limit up to  16.9 mag. Observations started at twilight.  The observations began at zenit distance = 69 deg. The sun  altitude  is -11.1 deg. 

The galactic latitude b = -60 deg., longitude l = 98 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/ligo_1.php?id=10047

We obtain a following upper limits.  

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

   66414 | 2017-08-20 10:16:10 |         MASTER-OAFA | (09h 22m 43.731s , -37d 56m 13.44s) |   C |   180 | 16.9 |        
  238549 | 2017-08-22 10:05:04 |         MASTER-OAFA | (09h 27m 50.210s , -35d 55m 42.10s) |   C |   180 | 16.3 |        
  238770 | 2017-08-22 10:08:46 |         MASTER-OAFA | (09h 27m 48.860s , -35d 55m 40.01s) |   C |   180 | 16.0 |        
  238994 | 2017-08-22 10:12:30 |         MASTER-OAFA | (09h 37m 41.885s , -35d 55m 51.68s) |   C |   180 | 15.4 |        
Filter C is a clear (unfiltred) band. 


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

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