GRB210517.23 page :: MASTER Database

MASTER Net MASTER Database: GRB210517.23 page

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

SWIFT GRB210517.23

Trignum

1048783

Trigger time

2021-05-17 05:29:26

Notice time

2021-05-17 06:00:24.85082

Coord, eb

(23h 52m 54.00s , -39d 06m 07.2s) , 0.000611111

Max dist: 1 sigma 3 sigma

AGN candidates:	Milliquas	??	r90wise	??	wiseXgaia	??
BL Lac candidates:	1 Sigma	??	3 Sigma	??

MASTER observatories and transients from them in error-field

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)
 ??

You are viewing outdated information, relevant error box is here

All alerts for this trigger

id	noticetime	coord2000	satel	errorbox	type	trigger	seq	trig_type	links
2382961	2024-02-21 00:04:21.825442	23^h 52^m 41.76^s -39^d 06^m 18.0^s	SWIFT	0.05	retraction	1048783	1	4044	retraction
1614671	2021-05-17 06:00:24.85082	23^h 52^m 54.00^s -39^d 06^m 07.2^s	SWIFT	0.000611111	alert	1048783	2	67	alert
1614662	2021-05-17 05:34:10.89267	23^h 52^m 41.76^s -39^d 06^m 18.0^s	SWIFT	0.05	alert	1048783	1	61	alert

MASTER optical transients in this field
Will be published in GCN, ATEL

Synchronous WFC images

Distance	datetime	coord2000	observatory	camera	links
111.4	2021-05-17 05:27:11.471	02^h 40^m 10.00^s +67^d 42^m 00.0^s	IAC	100627	Database IAC
111.4	2021-05-17 05:27:52.989	02^h 40^m 10.00^s +67^d 42^m 00.0^s	IAC	111343	Database IAC

Errorbox center visibility at MASTER facilities

trigger

notice

notice+1hr

now

2021-05-17 05:29:26 (JD 2459351.728773)

Siderial time 23.674603 h

Ra 23:52:54.00 Dec -39:06:07.20
(358.225000d, -39.102000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: -27.22 Azimuth: 60.60

Sun: Altitude: 50.43 Azimuth: 49.82

Moon: Altitude: 53.48 Azimuth: 301.98

Tunka

Object: Altitude: -15.84 Azimuth: 45.60

Sun: Altitude: 57.09 Azimuth: 11.57

Moon: Altitude: 38.64 Azimuth: 278.75

Kislovodsk

Object: Altitude: 7.14 Azimuth: 1.41

Sun: Altitude: 39.07 Azimuth: 280.79

Moon: Altitude: -1.53 Azimuth: 232.88

Tavrida

Object: Altitude: 5.95 Azimuth: 354.77

Sun: Altitude: 32.90 Azimuth: 274.95

Moon: Altitude: -5.55 Azimuth: 226.65

SAAO

Object: Altitude: 72.54 Azimuth: 298.23

Sun: Altitude: 1.19 Azimuth: 246.11

Moon: Altitude: -54.58 Azimuth: 272.25

IAC

Object: Altitude: 4.06 Azimuth: 319.14

Sun: Altitude: -9.62 Azimuth: 241.82

Moon: Altitude: -36.99 Azimuth: 182.58

Argentina

Object: Altitude: 6.10 Azimuth: 312.85

Sun: Altitude: -72.12 Azimuth: 310.87

Moon: Altitude: -45.29 Azimuth: 94.10

Mexico

Object: Altitude: -65.15 Azimuth: 296.86

Sun: Altitude: -33.43 Azimuth: 149.33

Moon: Altitude: 13.71 Azimuth: 110.76

Ural

Object: Altitude: -7.44 Azimuth: 14.62

Sun: Altitude: 43.49 Azimuth: 308.66

Moon: Altitude: 14.47 Azimuth: 246.80

Vostryakovo

Object: Altitude: -4.52 Azimuth: 357.73

Sun: Altitude: 33.46 Azimuth: 285.03

Moon: Altitude: 3.39 Azimuth: 229.46

Gal. latitude: -73.471370 Gal. longitude: 344.380211

Dist. to Sun: 78.232141

Dist. to Moon: 128.396822

Moon coord.: (118.725667 d, 24.660779 d)

Sun coord.: (53.934628 d, 19.317703 d)

Lunar disk: 0.249339

Lunar phase: 120.087482

Lunar bright limb: 278.914538

No SN in this field

2021-05-17 06:00:24 (JD 2459351.750278)

Siderial time 0.192127 h

Ra 23:52:54.00 Dec -39:06:07.20
(358.225000d, -39.102000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: -31.63 Azimuth: 65.31

Sun: Altitude: 46.41 Azimuth: 59.03

Moon: Altitude: 57.27 Azimuth: 311.92

Tunka

Object: Altitude: -19.42 Azimuth: 50.69

Sun: Altitude: 55.61 Azimuth: 24.51

Moon: Altitude: 43.13 Azimuth: 285.50

Kislovodsk

Object: Altitude: 6.70 Azimuth: 7.46

Sun: Altitude: 44.50 Azimuth: 287.36

Moon: Altitude: 2.89 Azimuth: 238.04

Tavrida

Object: Altitude: 6.16 Azimuth: 0.82

Sun: Altitude: 38.35 Azimuth: 280.95

Moon: Altitude: -1.55 Azimuth: 232.15

SAAO

Object: Altitude: 78.08 Azimuth: 307.73

Sun: Altitude: 7.06 Azimuth: 241.75

Moon: Altitude: -48.26 Azimuth: 268.26

IAC

Object: Altitude: 8.34 Azimuth: 323.41

Sun: Altitude: -3.50 Azimuth: 245.83

Moon: Altitude: -36.25 Azimuth: 190.99

Argentina

Object: Altitude: 11.07 Azimuth: 309.41

Sun: Altitude: -66.65 Azimuth: 297.00

Moon: Altitude: -51.62 Azimuth: 90.39

Mexico

Object: Altitude: -59.17 Azimuth: 295.32

Sun: Altitude: -36.40 Azimuth: 157.47

Moon: Altitude: 7.78 Azimuth: 114.12

Ural

Object: Altitude: -8.72 Azimuth: 20.57

Sun: Altitude: 46.56 Azimuth: 318.05

Moon: Altitude: 18.26 Azimuth: 252.68

Vostryakovo

Object: Altitude: -4.57 Azimuth: 3.77

Sun: Altitude: 37.63 Azimuth: 292.41

Moon: Altitude: 6.72 Azimuth: 235.40

Gal. latitude: -73.471370 Gal. longitude: 344.380211

Dist. to Sun: 78.249001

Dist. to Moon: 128.603634

Moon coord.: (119.015409 d, 24.626559 d)

Sun coord.: (53.955978 d, 19.322553 d)

Lunar disk: 0.251192

Lunar phase: 119.842342

Lunar bright limb: 279.029202

No SN in this field

2021-05-17 07:00:24 (JD 2459351.791944)

Siderial time 1.194865 h

Ra 23:52:54.00 Dec -39:06:07.20
(358.225000d, -39.102000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: -40.64 Azimuth: 74.50

Sun: Altitude: 37.64 Azimuth: 74.05

Moon: Altitude: 62.67 Azimuth: 336.13

Tunka

Object: Altitude: -27.07 Azimuth: 60.27

Sun: Altitude: 50.23 Azimuth: 46.34

Moon: Altitude: 51.30 Azimuth: 300.77

Kislovodsk

Object: Altitude: 4.22 Azimuth: 18.90

Sun: Altitude: 54.31 Azimuth: 303.16

Moon: Altitude: 12.13 Azimuth: 247.50

Tavrida

Object: Altitude: 4.92 Azimuth: 12.47

Sun: Altitude: 48.50 Azimuth: 294.61

Moon: Altitude: 7.04 Azimuth: 242.15

SAAO

Object: Altitude: 82.88 Azimuth: 18.41

Sun: Altitude: 17.67 Azimuth: 232.16

Moon: Altitude: -36.06 Azimuth: 261.54

IAC

Object: Altitude: 15.34 Azimuth: 332.94

Sun: Altitude: 8.86 Azimuth: 252.75

Moon: Altitude: -32.23 Azimuth: 206.17

Argentina

Object: Altitude: 21.35 Azimuth: 303.67

Sun: Altitude: -54.60 Azimuth: 281.54

Moon: Altitude: -63.86 Azimuth: 81.17

Mexico

Object: Altitude: -47.51 Azimuth: 295.63

Sun: Altitude: -39.46 Azimuth: 175.01

Moon: Altitude: -3.24 Azimuth: 121.33

Ural

Object: Altitude: -12.33 Azimuth: 31.84

Sun: Altitude: 50.86 Azimuth: 338.56

Moon: Altitude: 25.91 Azimuth: 264.25

Vostryakovo

Object: Altitude: -6.00 Azimuth: 15.39

Sun: Altitude: 44.97 Azimuth: 308.57

Moon: Altitude: 13.85 Azimuth: 246.65

Gal. latitude: -73.471370 Gal. longitude: 344.380211

Dist. to Sun: 78.281671

Dist. to Moon: 129.003472

Moon coord.: (119.576676 d, 24.558638 d)

Sun coord.: (53.997347 d, 19.331942 d)

Lunar disk: 0.254798

Lunar phase: 119.367075

Lunar bright limb: 279.251018

No SN in this field

2025-05-06 09:22:56 (JD 2460801.890926)

Siderial time 2.856171 h

Ra 23:52:54.00 Dec -39:06:07.20
(358.225000d, -39.102000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: -56.37 Azimuth: 91.63

Sun: Altitude: 13.04 Azimuth: 100.32

Moon: Altitude: 44.79 Azimuth: 322.07

Tunka

Object: Altitude: -41.32 Azimuth: 76.08

Sun: Altitude: 28.33 Azimuth: 80.71

Moon: Altitude: 31.97 Azimuth: 296.18

Kislovodsk

Object: Altitude: -4.14 Azimuth: 36.29

Sun: Altitude: 62.55 Azimuth: 9.30

Moon: Altitude: -7.49 Azimuth: 247.44

Tavrida

Object: Altitude: -1.60 Azimuth: 30.63

Sun: Altitude: 61.63 Azimuth: 351.81

Moon: Altitude: -12.54 Azimuth: 240.87

SAAO

Object: Altitude: 66.55 Azimuth: 65.49

Sun: Altitude: 38.34 Azimuth: 201.25

Moon: Altitude: -41.70 Azimuth: 285.79

IAC

Object: Altitude: 22.02 Azimuth: 352.05

Sun: Altitude: 38.63 Azimuth: 270.91

Moon: Altitude: -49.95 Azimuth: 194.84

Argentina

Object: Altitude: 39.69 Azimuth: 296.73

Sun: Altitude: -23.19 Azimuth: 264.30

Moon: Altitude: -44.96 Azimuth: 71.82

Mexico

Object: Altitude: -28.64 Azimuth: 300.67

Sun: Altitude: -33.55 Azimuth: 217.00

Moon: Altitude: 0.60 Azimuth: 102.08

Ural

Object: Altitude: -21.17 Azimuth: 49.76

Sun: Altitude: 46.43 Azimuth: 30.60

Moon: Altitude: 6.60 Azimuth: 260.60

Vostryakovo

Object: Altitude: -11.90 Azimuth: 33.98

Sun: Altitude: 51.18 Azimuth: 359.61

Moon: Altitude: -5.34 Azimuth: 242.49

Gal. latitude: -73.471370 Gal. longitude: 344.380211

Dist. to Sun: 69.783007

Dist. to Moon: 146.815551

Moon coord.: (159.061802 d, 10.644931 d)

Sun coord.: (43.290357 d, 16.562437 d)

Lunar disk: 0.679575

Lunar phase: 68.951962

Lunar bright limb: 292.484835

No SN in this field

Recent coverage and limits telegrams

 #######################################################################################
#######################################################################################

  ID = 4266
TYPE = 35
DAYS = 1


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) was pointed to the SWIFT GRB 210517A ( V. D'Elia et al., GCN 30032) errorbox  40 sec after notice time and 254 sec after trigger time at 2021-05-17 05:32:16 UT, with upper limit up to  20.5 mag. The observations began at zenith distance = 83 deg. The sun  altitude  is -71.9 deg. 

The galactic latitude b = -73 deg., longitude l = 344 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1614653

We obtain a following upper limits.  

Tmid-T0  |          Site       |Filt.| Expt. | Limit| Comment
_________|_____________________|_____|_______|______|________

     280 |         MASTER-OAFA |   C |    50 | 16.2 |        
     415 |         MASTER-OAFA |   C |   320 | 17.1 |  Coadd 
     486 |         MASTER-OAFA |   C |    90 | 15.4 |        
     784 |         MASTER-OAFA |   C |   140 | 15.8 |        
     974 |         MASTER-OAFA |   C |   180 | 12.9 |        
    1187 |         MASTER-OAFA |   C |   180 | 17.3 |        
    1997 |         MASTER-OAFA |   C |  1800 | 19.6 |  Coadd 
    1386 |         MASTER-OAFA |   C |   180 | 17.8 |        
    1566 |         MASTER-OAFA |   C |   540 | 18.9 |  Coadd 
    1585 |         MASTER-OAFA |   C |   180 | 18.3 |        
    1785 |         MASTER-OAFA |   C |   180 | 18.3 |        
    1984 |         MASTER-OAFA |   C |   180 | 18.5 |        
    2164 |         MASTER-OAFA |   C |   540 | 19.3 |  Coadd 
    2184 |         MASTER-OAFA |   C |   180 | 18.6 |        
    2383 |         MASTER-OAFA |   C |   180 | 18.6 |        
    2583 |         MASTER-OAFA |   C |   180 | 18.7 |        
    2763 |         MASTER-OAFA |   C |   540 | 18.7 |  Coadd 
    2782 |         MASTER-OAFA |   C |   180 | 18.6 |        
    2982 |         MASTER-OAFA |   C |   180 | 18.6 |        
    3181 |         MASTER-OAFA |   C |   180 | 18.6 |        
    3361 |         MASTER-OAFA |   C |   540 | 19.4 |  Coadd 
    3991 |         MASTER-OAFA |   C |  1800 | 20.1 |  Coadd 
    3381 |         MASTER-OAFA |   C |   180 | 18.6 |        
    3580 |         MASTER-OAFA |   C |   180 | 18.7 |        
    3780 |         MASTER-OAFA |   C |   180 | 18.7 |        
    3960 |         MASTER-OAFA |   C |   540 | 19.4 |  Coadd 
    3979 |         MASTER-OAFA |   C |   180 | 18.5 |        
    4179 |         MASTER-OAFA |   C |   180 | 18.6 |        
    4378 |         MASTER-OAFA |   C |   180 | 18.8 |        
    4558 |         MASTER-OAFA |   C |   540 | 19.5 |  Coadd 
    4578 |         MASTER-OAFA |   C |   180 | 19.0 |        
    4777 |         MASTER-OAFA |   C |   180 | 18.9 |        
    4977 |         MASTER-OAFA |   C |   180 | 19.0 |        
    5157 |         MASTER-OAFA |   C |   540 | 19.7 |  Coadd 
    5176 |         MASTER-OAFA |   C |   180 | 19.1 |        
    5986 |         MASTER-OAFA |   C |  1800 | 20.5 |  Coadd 
    5376 |         MASTER-OAFA |   C |   180 | 19.0 |        
    5576 |         MASTER-OAFA |   C |   180 | 19.1 |        
    5756 |         MASTER-OAFA |   C |   540 | 19.7 |  Coadd 
    5775 |         MASTER-OAFA |   C |   180 | 19.1 |        
    5975 |         MASTER-OAFA |   C |   180 | 19.0 |        
    6174 |         MASTER-OAFA |   C |   180 | 19.1 |        
    6354 |         MASTER-OAFA |   C |   540 | 19.6 |  Coadd 
    6374 |         MASTER-OAFA |   C |   180 | 19.1 |        
    6573 |         MASTER-OAFA |   C |   180 | 18.9 |        
    6773 |         MASTER-OAFA |   C |   180 | 19.1 |        
    6953 |         MASTER-OAFA |   C |   540 | 19.6 |  Coadd 
    6972 |         MASTER-OAFA |   C |   180 | 19.1 |        
    7172 |         MASTER-OAFA |   C |   180 | 19.1 |        
    7371 |         MASTER-OAFA |   C |   180 | 19.1 |        
Filter C is a clear (unfiltred) band. 


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



#######################################################################################
#######################################################################################

  ID = 4261
TYPE = 35
DAYS = 0.5


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) was pointed to the SWIFT GRB 210517A ( V. D'Elia et al., GCN 30032) errorbox  40 sec after notice time and 254 sec after trigger time at 2021-05-17 05:32:16 UT, with upper limit up to  20.5 mag. The observations began at zenith distance = 83 deg. The sun  altitude  is -71.9 deg. 

The galactic latitude b = -73 deg., longitude l = 344 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1614653

We obtain a following upper limits.  

Tmid-T0  |          Site       |Filt.| Expt. | Limit| Comment
_________|_____________________|_____|_______|______|________

     280 |         MASTER-OAFA |   C |    50 | 16.2 |        
     415 |         MASTER-OAFA |   C |   320 | 17.1 |  Coadd 
     486 |         MASTER-OAFA |   C |    90 | 15.4 |        
     784 |         MASTER-OAFA |   C |   140 | 15.8 |        
     974 |         MASTER-OAFA |   C |   180 | 12.9 |        
    1187 |         MASTER-OAFA |   C |   180 | 17.3 |        
    1997 |         MASTER-OAFA |   C |  1800 | 19.6 |  Coadd 
    1386 |         MASTER-OAFA |   C |   180 | 17.8 |        
    1566 |         MASTER-OAFA |   C |   540 | 18.9 |  Coadd 
    1585 |         MASTER-OAFA |   C |   180 | 18.3 |        
    1785 |         MASTER-OAFA |   C |   180 | 18.3 |        
    1984 |         MASTER-OAFA |   C |   180 | 18.5 |        
    2164 |         MASTER-OAFA |   C |   540 | 19.3 |  Coadd 
    2184 |         MASTER-OAFA |   C |   180 | 18.6 |        
    2383 |         MASTER-OAFA |   C |   180 | 18.6 |        
    2583 |         MASTER-OAFA |   C |   180 | 18.7 |        
    2763 |         MASTER-OAFA |   C |   540 | 18.7 |  Coadd 
    2782 |         MASTER-OAFA |   C |   180 | 18.6 |        
    2982 |         MASTER-OAFA |   C |   180 | 18.6 |        
    3181 |         MASTER-OAFA |   C |   180 | 18.6 |        
    3361 |         MASTER-OAFA |   C |   540 | 19.4 |  Coadd 
    3991 |         MASTER-OAFA |   C |  1800 | 20.1 |  Coadd 
    3381 |         MASTER-OAFA |   C |   180 | 18.6 |        
    3580 |         MASTER-OAFA |   C |   180 | 18.7 |        
    3780 |         MASTER-OAFA |   C |   180 | 18.7 |        
    3960 |         MASTER-OAFA |   C |   540 | 19.4 |  Coadd 
    3979 |         MASTER-OAFA |   C |   180 | 18.5 |        
    4179 |         MASTER-OAFA |   C |   180 | 18.6 |        
    4378 |         MASTER-OAFA |   C |   180 | 18.8 |        
    4558 |         MASTER-OAFA |   C |   540 | 19.5 |  Coadd 
    4578 |         MASTER-OAFA |   C |   180 | 19.0 |        
    4777 |         MASTER-OAFA |   C |   180 | 18.9 |        
    4977 |         MASTER-OAFA |   C |   180 | 19.0 |        
    5157 |         MASTER-OAFA |   C |   540 | 19.7 |  Coadd 
    5176 |         MASTER-OAFA |   C |   180 | 19.1 |        
    5986 |         MASTER-OAFA |   C |  1800 | 20.5 |  Coadd 
    5376 |         MASTER-OAFA |   C |   180 | 19.0 |        
    5576 |         MASTER-OAFA |   C |   180 | 19.1 |        
    5756 |         MASTER-OAFA |   C |   540 | 19.7 |  Coadd 
    5775 |         MASTER-OAFA |   C |   180 | 19.1 |        
    5975 |         MASTER-OAFA |   C |   180 | 19.0 |        
    6174 |         MASTER-OAFA |   C |   180 | 19.1 |        
    6354 |         MASTER-OAFA |   C |   540 | 19.6 |  Coadd 
    6374 |         MASTER-OAFA |   C |   180 | 19.1 |        
    6573 |         MASTER-OAFA |   C |   180 | 18.9 |        
    6773 |         MASTER-OAFA |   C |   180 | 19.1 |        
    6953 |         MASTER-OAFA |   C |   540 | 19.6 |  Coadd 
    6972 |         MASTER-OAFA |   C |   180 | 19.1 |        
    7172 |         MASTER-OAFA |   C |   180 | 19.1 |        
    7371 |         MASTER-OAFA |   C |   180 | 19.1 |        
Filter C is a clear (unfiltred) band. 


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



#######################################################################################
#######################################################################################

  ID = 4257
TYPE = 35
DAYS = 0.1


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) was pointed to the SWIFT GRB 210517A ( V. D'Elia et al., GCN 30032) errorbox  40 sec after notice time and 254 sec after trigger time at 2021-05-17 05:32:16 UT, with upper limit up to  20.1 mag. The observations began at zenith distance = 83 deg. The sun  altitude  is -71.9 deg. 

The galactic latitude b = -73 deg., longitude l = 344 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1614658

We obtain a following upper limits.  

Tmid-T0  |          Site       |Filt.| Expt. | Limit| Comment
_________|_____________________|_____|_______|______|________

     280 |         MASTER-OAFA |   C |    50 | 16.2 |        
     415 |         MASTER-OAFA |   C |   320 | 17.1 |  Coadd 
     486 |         MASTER-OAFA |   C |    90 | 15.4 |        
     784 |         MASTER-OAFA |   C |   140 | 15.8 |        
     974 |         MASTER-OAFA |   C |   180 | 12.9 |        
    1187 |         MASTER-OAFA |   C |   180 | 17.3 |        
    1997 |         MASTER-OAFA |   C |  1800 | 19.6 |  Coadd 
    1386 |         MASTER-OAFA |   C |   180 | 17.8 |        
    1566 |         MASTER-OAFA |   C |   540 | 18.9 |  Coadd 
    1585 |         MASTER-OAFA |   C |   180 | 18.3 |        
    1785 |         MASTER-OAFA |   C |   180 | 18.3 |        
    1984 |         MASTER-OAFA |   C |   180 | 18.5 |        
    2164 |         MASTER-OAFA |   C |   540 | 19.3 |  Coadd 
    2184 |         MASTER-OAFA |   C |   180 | 18.6 |        
    2383 |         MASTER-OAFA |   C |   180 | 18.6 |        
    2583 |         MASTER-OAFA |   C |   180 | 18.7 |        
    2763 |         MASTER-OAFA |   C |   540 | 18.7 |  Coadd 
    2782 |         MASTER-OAFA |   C |   180 | 18.6 |        
    2982 |         MASTER-OAFA |   C |   180 | 18.6 |        
    3181 |         MASTER-OAFA |   C |   180 | 18.6 |        
    3361 |         MASTER-OAFA |   C |   540 | 19.4 |  Coadd 
    3991 |         MASTER-OAFA |   C |  1800 | 20.1 |  Coadd 
    3381 |         MASTER-OAFA |   C |   180 | 18.6 |        
    3580 |         MASTER-OAFA |   C |   180 | 18.7 |        
    3780 |         MASTER-OAFA |   C |   180 | 18.7 |        
    3960 |         MASTER-OAFA |   C |   540 | 19.4 |  Coadd 
    3979 |         MASTER-OAFA |   C |   180 | 18.5 |        
    4179 |         MASTER-OAFA |   C |   180 | 18.6 |        
    4378 |         MASTER-OAFA |   C |   180 | 18.8 |        
    4558 |         MASTER-OAFA |   C |   540 | 19.5 |  Coadd 
    4578 |         MASTER-OAFA |   C |   180 | 19.0 |        
    4777 |         MASTER-OAFA |   C |   180 | 18.9 |        
    4977 |         MASTER-OAFA |   C |   180 | 19.0 |        
    5157 |         MASTER-OAFA |   C |   540 | 19.7 |  Coadd 
    5176 |         MASTER-OAFA |   C |   180 | 19.1 |        
    5376 |         MASTER-OAFA |   C |   180 | 19.0 |        
    5576 |         MASTER-OAFA |   C |   180 | 19.1 |        
    5756 |         MASTER-OAFA |   C |   540 | 19.7 |  Coadd 
    5775 |         MASTER-OAFA |   C |   180 | 19.1 |        
    5975 |         MASTER-OAFA |   C |   180 | 19.0 |        
    6174 |         MASTER-OAFA |   C |   180 | 19.1 |        
    6354 |         MASTER-OAFA |   C |   540 | 19.6 |  Coadd 
    6374 |         MASTER-OAFA |   C |   180 | 19.1 |        
    6573 |         MASTER-OAFA |   C |   180 | 18.9 |        
Filter C is a clear (unfiltred) band. 


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



#######################################################################################
#######################################################################################

  ID = 4256
TYPE = 35
DAYS = 0.085


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) was pointed to the SWIFT GRB 210517A ( V. D'Elia et al., GCN 30032) errorbox  40 sec after notice time and 254 sec after trigger time at 2021-05-17 05:32:16 UT, with upper limit up to  20.1 mag. The observations began at zenith distance = 83 deg. The sun  altitude  is -71.9 deg. 

The galactic latitude b = -73 deg., longitude l = 344 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1614658

We obtain a following upper limits.  

Tmid-T0  |          Site       |Filt.| Expt. | Limit| Comment
_________|_____________________|_____|_______|______|________

     280 |         MASTER-OAFA |   C |    50 | 16.2 |        
     415 |         MASTER-OAFA |   C |   320 | 17.1 |  Coadd 
     486 |         MASTER-OAFA |   C |    90 | 15.4 |        
     784 |         MASTER-OAFA |   C |   140 | 15.8 |        
     974 |         MASTER-OAFA |   C |   180 | 12.9 |        
    1187 |         MASTER-OAFA |   C |   180 | 17.3 |        
    1997 |         MASTER-OAFA |   C |  1800 | 19.6 |  Coadd 
    1386 |         MASTER-OAFA |   C |   180 | 17.8 |        
    1566 |         MASTER-OAFA |   C |   540 | 18.9 |  Coadd 
    1585 |         MASTER-OAFA |   C |   180 | 18.3 |        
    1785 |         MASTER-OAFA |   C |   180 | 18.3 |        
    1984 |         MASTER-OAFA |   C |   180 | 18.5 |        
    2164 |         MASTER-OAFA |   C |   540 | 19.3 |  Coadd 
    2184 |         MASTER-OAFA |   C |   180 | 18.6 |        
    2383 |         MASTER-OAFA |   C |   180 | 18.6 |        
    2583 |         MASTER-OAFA |   C |   180 | 18.7 |        
    2763 |         MASTER-OAFA |   C |   540 | 18.7 |  Coadd 
    2782 |         MASTER-OAFA |   C |   180 | 18.6 |        
    2982 |         MASTER-OAFA |   C |   180 | 18.6 |        
    3181 |         MASTER-OAFA |   C |   180 | 18.6 |        
    3361 |         MASTER-OAFA |   C |   540 | 19.4 |  Coadd 
    3991 |         MASTER-OAFA |   C |  1800 | 20.1 |  Coadd 
    3381 |         MASTER-OAFA |   C |   180 | 18.6 |        
    3580 |         MASTER-OAFA |   C |   180 | 18.7 |        
    3780 |         MASTER-OAFA |   C |   180 | 18.7 |        
    3960 |         MASTER-OAFA |   C |   540 | 19.4 |  Coadd 
    3979 |         MASTER-OAFA |   C |   180 | 18.5 |        
    4179 |         MASTER-OAFA |   C |   180 | 18.6 |        
    4378 |         MASTER-OAFA |   C |   180 | 18.8 |        
    4558 |         MASTER-OAFA |   C |   540 | 19.5 |  Coadd 
    4578 |         MASTER-OAFA |   C |   180 | 19.0 |        
    4777 |         MASTER-OAFA |   C |   180 | 18.9 |        
    4977 |         MASTER-OAFA |   C |   180 | 19.0 |        
    5157 |         MASTER-OAFA |   C |   540 | 19.7 |  Coadd 
    5176 |         MASTER-OAFA |   C |   180 | 19.1 |        
    5376 |         MASTER-OAFA |   C |   180 | 19.0 |        
    5576 |         MASTER-OAFA |   C |   180 | 19.1 |        
    5756 |         MASTER-OAFA |   C |   540 | 19.7 |  Coadd 
    5775 |         MASTER-OAFA |   C |   180 | 19.1 |        
    5975 |         MASTER-OAFA |   C |   180 | 19.0 |        
    6174 |         MASTER-OAFA |   C |   180 | 19.1 |        
    6354 |         MASTER-OAFA |   C |   540 | 19.6 |  Coadd 
    6374 |         MASTER-OAFA |   C |   180 | 19.1 |        
    6573 |         MASTER-OAFA |   C |   180 | 18.9 |        
Filter C is a clear (unfiltred) band. 


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



#######################################################################################
#######################################################################################

  ID = 4255
TYPE = 35
DAYS = 0


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) was pointed to the SWIFT GRB210517.23 (trigger No 1048783,23h 52m 41.76s , -39d 06m 18.0s, R=0.05) errorbox  40 sec after notice time and 254 sec after trigger time at 2021-05-17 05:32:16 UT, with upper limit up to  16.2 mag. The observations began at zenith distance = 83 deg. The sun  altitude  is -71.9 deg. 

The galactic latitude b = -73 deg., longitude l = 344 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1614656

We obtain a following upper limits.  

Tmid-T0  |          Site       |Filt.| Expt. | Limit| Comment
_________|_____________________|_____|_______|______|________

     280 |         MASTER-OAFA |   C |    50 | 16.2 |        
     486 |         MASTER-OAFA |   C |    90 | 15.4 |        
     784 |         MASTER-OAFA |   C |   140 | 15.8 |        
Filter C is a clear (unfiltred) band. 


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



#######################################################################################
#######################################################################################

  ID = 4254
TYPE = 35
DAYS = 0


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) was pointed to the SWIFT GRB210517.23 (trigger No 1048783,23h 52m 41.76s , -39d 06m 18.0s, R=0.05) errorbox  40 sec after notice time and 254 sec after trigger time at 2021-05-17 05:32:16 UT, with upper limit up to  16.2 mag. The observations began at zenith distance = 83 deg. The sun  altitude  is -71.9 deg. 

The galactic latitude b = -73 deg., longitude l = 344 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1614656

We obtain a following upper limits.  

Tmid-T0  |          Site       |Filt.| Expt. | Limit| Comment
_________|_____________________|_____|_______|______|________

     280 |         MASTER-OAFA |   C |    50 | 16.2 |        
     486 |         MASTER-OAFA |   C |    90 | 15.4 |        
     784 |         MASTER-OAFA |   C |   140 | 15.8 |        
Filter C is a clear (unfiltred) band. 


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



#######################################################################################
#######################################################################################

  ID = 4253
TYPE = 34
DAYS = 0


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) was pointed to the SWIFT GRB210517.23 (trigger No 1048783,23h 52m 41.76s , -39d 06m 18.0s, R=0.05) errorbox  40 sec after notice time and 254 sec after trigger time at 2021-05-17 05:32:16 UT, with upper limit up to  16.2 mag. The observations began at zenith distance = 83 deg. The sun  altitude  is -71.9 deg. 

The galactic latitude b = -73 deg., longitude l = 344 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1614656

We obtain a following upper limits.  

Tmid-T0  |          Site       |Filt.| Expt. | Limit| Comment
_________|_____________________|_____|_______|______|________

     280 |         MASTER-OAFA |   C |    50 | 16.2 |        
     486 |         MASTER-OAFA |   C |    90 | 15.4 |        
     784 |         MASTER-OAFA |   C |   140 | 15.8 |        
Filter C is a clear (unfiltred) band. 


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

MASTER, 2002-2025

MASTER Net MASTER Database: GRB210517.23 page

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Vostryakovo

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Tavrida

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IAC

Argentina

Mexico

Ural

Vostryakovo

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

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