MASTER Net MASTER Database: GRB210227.20 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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GRB coord: ErrorBox (deg): Sys Error (deg):
Sattel : Trigger: Notice:
GRB_Name: trignum: Nights after: FullSky


Name INTEGRAL GRB210227.20
Trignum 74556
Trigger time 2021-02-27 04:43:52.72
Notice time 2021-02-27 04:44:00.195103
Coord, eb (04h 55m 14.80s , +16d 48m 23.3s) , 0.0483333
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)

All alerts for this trigger
id noticetime coord2000 satel errorbox type trigger seq trig_type links
1556898 2021-02-27 04:44:06.659107 04h 55m 14.80s +16d 48m 23.3s INTEGRAL 0.0483333 alert 74556 3427 54 alert

DAYS:

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

Synchronous WFC images
Distance datetime coord2000 observatory camera links
Errorbox center visibility at MASTER facilities
trigger notice notice+1hr now

2021-02-27 04:43:52 (JD 2459272.697130)

Siderial time 17.722003 h

Ra 04:55:14.80 Dec 16:48:23.30
( 73.811667d, 16.806472d)

Rise 2021-02-27 08:05:11

Transit 2021-02-27 15:53:57

Set 2021-02-27 23:42:43

Amur

Object: Altitude: 20.39 Azimuth: 267.99

Sun: Altitude: 29.77 Azimuth: 17.79

Moon: Altitude: -24.55 Azimuth: 196.61

Tunka

Object: Altitude: 5.67 Azimuth: 249.90

Sun: Altitude: 29.33 Azimuth: 349.92

Moon: Altitude: -24.04 Azimuth: 170.54

Kislovodsk

Object: Altitude: -27.50 Azimuth: 198.31

Sun: Altitude: 8.66 Azimuth: 290.48

Moon: Altitude: -4.75 Azimuth: 114.11

Tavrida

Object: Altitude: -27.99 Azimuth: 189.13

Sun: Altitude: 2.55 Azimuth: 284.45

Moon: Altitude: 1.28 Azimuth: 108.13

SAAO

Object: Altitude: -73.83 Azimuth: 16.68

Sun: Altitude: 3.53 Azimuth: 277.68

Moon: Altitude: -6.34 Azimuth: 102.22

IAC

Object: Altitude: -29.22 Azimuth: 132.65

Sun: Altitude: -37.64 Azimuth: 258.10

Moon: Altitude: 40.12 Azimuth: 84.14

Argentina

Object: Altitude: -4.73 Azimuth: 106.86

Sun: Altitude: -49.80 Azimuth: 1.93

Moon: Altitude: 44.48 Azimuth: 181.75

Mexico

Object: Altitude: 47.64 Azimuth: 80.83

Sun: Altitude: -44.58 Azimuth: 110.76

Moon: Altitude: 47.51 Azimuth: 284.36

Ural

Object: Altitude: -10.92 Azimuth: 212.98

Sun: Altitude: 11.90 Azimuth: 306.78

Moon: Altitude: -7.11 Azimuth: 129.11

Vostryakovo

Object: Altitude: -17.07 Azimuth: 192.23

Sun: Altitude: 1.94 Azimuth: 287.80

Moon: Altitude: 2.53 Azimuth: 110.69

Gal. latitude: -15.763553 Gal. longitude: 184.005534

Dist. to Sun: 95.893125

Dist. to Moon: 82.671847

Moon coord.: (160.168942 d, 13.696145 d)

Sun coord.: (340.146367 d, -8.378060 d)

Lunar disk: 0.997865

Lunar phase: 5.296584

Lunar bright limb: 0.241041

No SN in this field

2021-02-27 04:44:00 (JD 2459272.697222)

Siderial time 17.724232 h

Ra 04:55:14.80 Dec 16:48:23.30
( 73.811667d, 16.806472d)

Rise 2021-02-27 08:05:11

Transit 2021-02-27 15:53:57

Set 2021-02-27 23:42:43

Amur

Object: Altitude: 20.41 Azimuth: 268.01

Sun: Altitude: 29.76 Azimuth: 17.83

Moon: Altitude: -24.55 Azimuth: 196.65

Tunka

Object: Altitude: 5.69 Azimuth: 249.92

Sun: Altitude: 29.33 Azimuth: 349.96

Moon: Altitude: -24.04 Azimuth: 170.57

Kislovodsk

Object: Altitude: -27.49 Azimuth: 198.34

Sun: Altitude: 8.68 Azimuth: 290.50

Moon: Altitude: -4.77 Azimuth: 114.13

Tavrida

Object: Altitude: -27.98 Azimuth: 189.17

Sun: Altitude: 2.58 Azimuth: 284.47

Moon: Altitude: 1.26 Azimuth: 108.15

SAAO

Object: Altitude: -73.84 Azimuth: 16.57

Sun: Altitude: 3.56 Azimuth: 277.67

Moon: Altitude: -6.36 Azimuth: 102.20

IAC

Object: Altitude: -29.24 Azimuth: 132.68

Sun: Altitude: -37.61 Azimuth: 258.12

Moon: Altitude: 40.09 Azimuth: 84.16

Argentina

Object: Altitude: -4.76 Azimuth: 106.84

Sun: Altitude: -49.80 Azimuth: 1.88

Moon: Altitude: 44.49 Azimuth: 181.70

Mexico

Object: Altitude: 47.61 Azimuth: 80.85

Sun: Altitude: -44.60 Azimuth: 110.79

Moon: Altitude: 47.53 Azimuth: 284.39

Ural

Object: Altitude: -10.91 Azimuth: 213.01

Sun: Altitude: 11.92 Azimuth: 306.81

Moon: Altitude: -7.12 Azimuth: 129.14

Vostryakovo

Object: Altitude: -17.07 Azimuth: 192.26

Sun: Altitude: 1.96 Azimuth: 287.83

Moon: Altitude: 2.51 Azimuth: 110.71

Gal. latitude: -15.763553 Gal. longitude: 184.005534

Dist. to Sun: 95.893032

Dist. to Moon: 82.673153

Moon coord.: (160.170201 d, 13.695669 d)

Sun coord.: (340.146454 d, -8.378025 d)

Lunar disk: 0.997865

Lunar phase: 5.296149

Lunar bright limb: 0.253571

No SN in this field

2021-02-27 05:44:00 (JD 2459272.738889)

Siderial time 18.726969 h

Ra 04:55:14.80 Dec 16:48:23.30
( 73.811667d, 16.806472d)

Rise 2021-02-27 08:05:11

Transit 2021-02-27 15:53:57

Set 2021-02-27 23:42:43

Amur

Object: Altitude: 29.98 Azimuth: 279.93

Sun: Altitude: 25.59 Azimuth: 33.93

Moon: Altitude: -20.99 Azimuth: 211.42

Tunka

Object: Altitude: 14.68 Azimuth: 261.35

Sun: Altitude: 29.59 Azimuth: 7.02

Moon: Altitude: -24.53 Azimuth: 186.00

Kislovodsk

Object: Altitude: -22.74 Azimuth: 213.37

Sun: Altitude: 18.41 Azimuth: 302.05

Moon: Altitude: -14.03 Azimuth: 124.88

Tavrida

Object: Altitude: -24.85 Azimuth: 204.87

Sun: Altitude: 12.59 Azimuth: 295.54

Moon: Altitude: -8.33 Azimuth: 118.47

SAAO

Object: Altitude: -71.86 Azimuth: 326.70

Sun: Altitude: 16.19 Azimuth: 269.73

Moon: Altitude: -18.34 Azimuth: 94.62

IAC

Object: Altitude: -37.86 Azimuth: 146.56

Sun: Altitude: -24.52 Azimuth: 266.33

Moon: Altitude: 27.27 Azimuth: 91.16

Argentina

Object: Altitude: -17.20 Azimuth: 99.45

Sun: Altitude: -47.73 Azimuth: 339.50

Moon: Altitude: 42.98 Azimuth: 162.30

Mexico

Object: Altitude: 34.78 Azimuth: 89.59

Sun: Altitude: -55.93 Azimuth: 125.96

Moon: Altitude: 58.98 Azimuth: 298.24

Ural

Object: Altitude: -5.68 Azimuth: 226.57

Sun: Altitude: 17.81 Azimuth: 320.91

Moon: Altitude: -12.82 Azimuth: 142.21

Vostryakovo

Object: Altitude: -14.20 Azimuth: 206.91

Sun: Altitude: 9.73 Azimuth: 300.54

Moon: Altitude: -5.01 Azimuth: 122.61

Gal. latitude: -15.763553 Gal. longitude: 184.005534

Dist. to Sun: 95.851383

Dist. to Moon: 83.261037

Moon coord.: (160.736379 d, 13.480855 d)

Sun coord.: (340.185694 d, -8.362358 d)

Lunar disk: 0.998000

Lunar phase: 5.125865

Lunar bright limb: 6.086390

No SN in this field

2025-01-10 20:42:39 (JD 2460686.362951)

Siderial time 6.593459 h

Ra 04:55:14.80 Dec 16:48:23.30
( 73.811667d, 16.806472d)

Rise 2025-01-11 11:09:51

Transit 2025-01-11 18:58:37

Set 2025-01-11 02:51:20

Amur

Object: Altitude: -2.03 Azimuth: 119.72

Sun: Altitude: -25.11 Azimuth: 274.57

Moon: Altitude: 3.64 Azimuth: 129.20

Tunka

Object: Altitude: 12.81 Azimuth: 100.99

Sun: Altitude: -40.16 Azimuth: 253.50

Moon: Altitude: 17.58 Azimuth: 111.30

Kislovodsk

Object: Altitude: 53.02 Azimuth: 52.71

Sun: Altitude: -67.06 Azimuth: 159.68

Moon: Altitude: 57.20 Azimuth: 70.65

Tavrida

Object: Altitude: 56.75 Azimuth: 39.76

Sun: Altitude: -63.26 Azimuth: 143.17

Moon: Altitude: 62.29 Azimuth: 58.71

SAAO

Object: Altitude: 40.18 Azimuth: 169.60

Sun: Altitude: -28.58 Azimuth: 32.00

Moon: Altitude: 29.45 Azimuth: 166.43

IAC

Object: Altitude: 60.93 Azimuth: 287.02

Sun: Altitude: -29.37 Azimuth: 79.48

Moon: Altitude: 68.64 Azimuth: 268.21

Argentina

Object: Altitude: -2.13 Azimuth: 251.49

Sun: Altitude: 36.41 Azimuth: 84.98

Moon: Altitude: -3.79 Azimuth: 240.57

Mexico

Object: Altitude: -17.25 Azimuth: 237.30

Sun: Altitude: 34.11 Azimuth: 21.06

Moon: Altitude: -7.21 Azimuth: 232.60

Ural

Object: Altitude: 36.71 Azimuth: 60.87

Sun: Altitude: -54.28 Azimuth: 193.80

Moon: Altitude: 42.69 Azimuth: 72.95

Vostryakovo

Object: Altitude: 46.86 Azimuth: 36.72

Sun: Altitude: -55.10 Azimuth: 158.43

Moon: Altitude: 54.05 Azimuth: 49.94

Gal. latitude: -15.763553 Gal. longitude: 184.005534

Dist. to Sun: 143.522612

Dist. to Moon: 11.036374

Moon coord.: (68.858324 d, 26.843360 d)

Sun coord.: (292.194954 d, -21.879048 d)

Lunar disk: 0.885759

Lunar phase: 39.509546

Lunar bright limb: 267.358104

No SN in this field
Recent coverage and limits telegrams

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

  ID = 3814
TYPE = 35
DAYS = 1


MASTER-SAAO robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in South Africa (South African Astronomical Observatory) was pointed to the INTEGRAL GRB210227.20 (trigger No 74556,04h 55m 14.80s , +16d 48m 23.3s, R=0.0483333) errorbox  48576 sec after notice time and 48583 sec after trigger time at 2021-02-27 18:13:36 UT, with upper limit up to  19.3 mag. Observations started at twilight.  The observations began at zenith distance = 50 deg. The sun  altitude  is -12.7 deg. 

MASTER-IAC robotic telescope  located in Spain (IAC Teide Observatory) was pointed to the INTEGRAL GRB210227.20 errorbox  62397 sec after notice time and 62405 sec after trigger time at 2021-02-27 22:03:58 UT, with upper limit up to  18.8 mag. The observations began at zenith distance = 38 deg. The sun  altitude  is -40.7 deg. 

MASTER-OAFA robotic telescope  located in Argentina (OAFA observatory of San Juan National University) was pointed to the INTEGRAL GRB210227.20 errorbox  69701 sec after notice time and 69709 sec after trigger time at 2021-02-28 00:05:41 UT, with upper limit up to  18.8 mag. Observations started at twilight.  The observations began at zenith distance = 50 deg. The sun  altitude  is -12.2 deg. 

The galactic latitude b = -16 deg., longitude l = 184 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1556893

We obtain a following upper limits.  

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

   48674 |         MASTER-SAAO |   C |   180 | 18.5 |        
   49074 |         MASTER-SAAO |   C |   180 | 19.3 |        
   49636 |         MASTER-SAAO |   C |   180 | 19.0 |        
   62495 |          MASTER-IAC |   C |   180 | 18.7 |        
   62495 |          MASTER-IAC |   C |   180 | 18.4 |        
   63509 |          MASTER-IAC |   C |   180 | 18.8 |        
   63509 |          MASTER-IAC |   C |   180 | 18.4 |        
   69799 |         MASTER-OAFA |   C |   180 | 18.0 |        
   70200 |         MASTER-OAFA |   C |   180 | 18.6 |        
   70603 |         MASTER-OAFA |   C |   180 | 18.8 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 3811
TYPE = 35
DAYS = 0


MASTER-SAAO robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in South Africa (South African Astronomical Observatory) was pointed to the INTEGRAL GRB210227.20 (trigger No 74556,04h 55m 14.80s , +16d 48m 23.3s, R=0.0483333) errorbox  48576 sec after notice time and 48583 sec after trigger time at 2021-02-27 18:13:36 UT, with upper limit up to  19.3 mag. Observations started at twilight.  The observations began at zenith distance = 50 deg. The sun  altitude  is -12.7 deg. 

The galactic latitude b = -16 deg., longitude l = 184 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1556893

We obtain a following upper limits.  

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

   48674 |         MASTER-SAAO |   C |   180 | 18.5 |        
   49074 |         MASTER-SAAO |   C |   180 | 19.3 |        
   49636 |         MASTER-SAAO |   C |   180 | 19.0 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 3810
TYPE = 35
DAYS = 0


MASTER-SAAO robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in South Africa (South African Astronomical Observatory) was pointed to the INTEGRAL GRB210227.20 (trigger No 74556,04h 55m 14.80s , +16d 48m 23.3s, R=0.0483333) errorbox  48576 sec after notice time and 48583 sec after trigger time at 2021-02-27 18:13:36 UT, with upper limit up to  19.3 mag. Observations started at twilight.  The observations began at zenith distance = 50 deg. The sun  altitude  is -12.7 deg. 

The galactic latitude b = -16 deg., longitude l = 184 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1556893

We obtain a following upper limits.  

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

   48674 |         MASTER-SAAO |   C |   180 | 18.5 |        
   49074 |         MASTER-SAAO |   C |   180 | 19.3 |        
   49636 |         MASTER-SAAO |   C |   180 | 19.0 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 3809
TYPE = 34
DAYS = 0


MASTER-SAAO robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in South Africa (South African Astronomical Observatory) was pointed to the INTEGRAL GRB210227.20 (trigger No 74556,04h 55m 14.80s , +16d 48m 23.3s, R=0.0483333) errorbox  48576 sec after notice time and 48583 sec after trigger time at 2021-02-27 18:13:36 UT, with upper limit up to  19.3 mag. Observations started at twilight.  The observations began at zenith distance = 50 deg. The sun  altitude  is -12.7 deg. 

The galactic latitude b = -16 deg., longitude l = 184 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1556893

We obtain a following upper limits.  

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

   48674 |         MASTER-SAAO |   C |   180 | 18.5 |        
   49074 |         MASTER-SAAO |   C |   180 | 19.3 |        
   49636 |         MASTER-SAAO |   C |   180 | 19.0 |        
Filter C is a clear (unfiltred) band. 


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

MASTER, 2002-2025