GRB201027.05 page :: MASTER Database

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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 GRB201027.05

Trignum

1002158

Trigger time

2020-10-27 01:07:44.17

Notice time

2020-10-27 01:09:55.025775

Coord, eb

(10h 23m 53.76s , -05d 30m 54.0s) , 0.05

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You are viewing outdated information, relevant error box is here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
1469814	2020-10-27 01:22:21.388569	10^h 23^m 52.80^s -05^d 30^m 36.0^s	SWIFT	0.000611111	alert	1002158	10	67	alert
1469802	2020-10-27 01:09:55.025775	10^h 23^m 53.76^s -05^d 30^m 54.0^s	SWIFT	0.05	alert	1002158	6	61	alert

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

2020-10-27 01:07:44 (JD 2459149.547037)

Siderial time 6.027610 h

Ra 10:23:53.76 Dec -5:30:54.00
(155.974000d, -5.515000d)

Rise 2020-10-28 02:54:45

Transit 2020-10-27 08:29:15

Set 2020-10-27 13:59:49

Amur

Object: Altitude: 30.35 Azimuth: 28.34

Sun: Altitude: 21.22 Azimuth: 327.11

Moon: Altitude: -49.26 Azimuth: 200.02

Tunka

Object: Altitude: 32.68 Azimuth: 359.87

Sun: Altitude: 9.56 Azimuth: 305.23

Moon: Altitude: -48.22 Azimuth: 163.29

Kislovodsk

Object: Altitude: 16.62 Azimuth: 295.12

Sun: Altitude: -27.67 Azimuth: 261.02

Moon: Altitude: -20.73 Azimuth: 94.51

Tavrida

Object: Altitude: 10.60 Azimuth: 288.84

Sun: Altitude: -33.40 Azimuth: 253.73

Moon: Altitude: -14.61 Azimuth: 88.83

SAAO

Object: Altitude: 9.39 Azimuth: 270.60

Sun: Altitude: -29.54 Azimuth: 311.33

Moon: Altitude: 8.82 Azimuth: 82.47

IAC

Object: Altitude: -28.66 Azimuth: 260.22

Sun: Altitude: -73.87 Azimuth: 196.86

Moon: Altitude: 28.31 Azimuth: 57.51

Argentina

Object: Altitude: -52.00 Azimuth: 347.82

Sun: Altitude: -25.92 Azimuth: 53.78

Moon: Altitude: 68.97 Azimuth: 190.03

Mexico

Object: Altitude: -49.48 Azimuth: 122.12

Sun: Altitude: -7.28 Azimuth: 79.43

Moon: Altitude: 29.92 Azimuth: 307.19

Ural

Object: Altitude: 18.14 Azimuth: 313.71

Sun: Altitude: -15.70 Azimuth: 269.37

Moon: Altitude: -27.95 Azimuth: 114.81

Vostryakovo

Object: Altitude: 9.01 Azimuth: 293.64

Sun: Altitude: -27.84 Azimuth: 251.07

Moon: Altitude: -16.72 Azimuth: 94.76

Gal. latitude: 41.927862 Gal. longitude: 250.665112

Dist. to Sun: 55.245485

Dist. to Moon: 160.069640

Moon coord.: (347.119504 d, -11.042689 d)

Sun coord.: (211.546598 d, -12.782719 d)

Lunar disk: 0.821239

Lunar phase: 50.023160

Lunar bright limb: 242.814259

No SN in this field

2020-10-27 01:09:55 (JD 2459149.548553)

Siderial time 6.064099 h

Ra 10:23:53.76 Dec -5:30:54.00
(155.974000d, -5.515000d)

Rise 2020-10-28 02:54:45

Transit 2020-10-27 08:29:15

Set 2020-10-27 13:59:49

Amur

Object: Altitude: 30.18 Azimuth: 28.94

Sun: Altitude: 21.41 Azimuth: 327.65

Moon: Altitude: -49.13 Azimuth: 200.79

Tunka

Object: Altitude: 32.67 Azimuth: 0.52

Sun: Altitude: 9.83 Azimuth: 305.70

Moon: Altitude: -48.30 Azimuth: 164.06

Kislovodsk

Object: Altitude: 16.97 Azimuth: 295.55

Sun: Altitude: -27.28 Azimuth: 261.43

Moon: Altitude: -21.10 Azimuth: 94.90

Tavrida

Object: Altitude: 10.97 Azimuth: 289.25

Sun: Altitude: -33.03 Azimuth: 254.19

Moon: Altitude: -14.98 Azimuth: 89.21

SAAO

Object: Altitude: 9.85 Azimuth: 270.31

Sun: Altitude: -29.19 Azimuth: 310.87

Moon: Altitude: 8.37 Azimuth: 82.20

IAC

Object: Altitude: -28.19 Azimuth: 260.52

Sun: Altitude: -73.72 Azimuth: 198.69

Moon: Altitude: 27.92 Azimuth: 57.90

Argentina

Object: Altitude: -51.90 Azimuth: 346.96

Sun: Altitude: -26.30 Azimuth: 53.36

Moon: Altitude: 69.03 Azimuth: 188.59

Mexico

Object: Altitude: -49.87 Azimuth: 122.70

Sun: Altitude: -7.74 Azimuth: 79.70

Moon: Altitude: 30.29 Azimuth: 307.62

Ural

Object: Altitude: 18.35 Azimuth: 314.24

Sun: Altitude: -15.40 Azimuth: 269.83

Moon: Altitude: -28.20 Azimuth: 115.32

Vostryakovo

Object: Altitude: 9.29 Azimuth: 294.11

Sun: Altitude: -27.54 Azimuth: 251.57

Moon: Altitude: -17.01 Azimuth: 95.21

Gal. latitude: 41.927862 Gal. longitude: 250.665112

Dist. to Sun: 55.246927

Dist. to Moon: 160.065804

Moon coord.: (347.136749 d, -11.035752 d)

Sun coord.: (211.548057 d, -12.783232 d)

Lunar disk: 0.821351

Lunar phase: 50.006459

Lunar bright limb: 242.809884

No SN in this field

2020-10-27 02:09:55 (JD 2459149.590220)

Siderial time 7.066836 h

Ra 10:23:53.76 Dec -5:30:54.00
(155.974000d, -5.515000d)

Rise 2020-10-28 02:54:45

Transit 2020-10-27 08:29:15

Set 2020-10-27 13:59:49

Amur

Object: Altitude: 24.44 Azimuth: 44.52

Sun: Altitude: 25.40 Azimuth: 342.99

Moon: Altitude: -44.20 Azimuth: 220.44

Tunka

Object: Altitude: 31.17 Azimuth: 18.08

Sun: Altitude: 16.67 Azimuth: 318.99

Moon: Altitude: -48.92 Azimuth: 185.75

Kislovodsk

Object: Altitude: 26.19 Azimuth: 308.25

Sun: Altitude: -16.48 Azimuth: 272.09

Moon: Altitude: -31.31 Azimuth: 106.10

Tavrida

Object: Altitude: 20.63 Azimuth: 301.16

Sun: Altitude: -22.56 Azimuth: 265.77

Moon: Altitude: -25.15 Azimuth: 99.93

SAAO

Object: Altitude: 22.51 Azimuth: 261.97

Sun: Altitude: -18.82 Azimuth: 299.55

Moon: Altitude: -3.77 Azimuth: 74.63

IAC

Object: Altitude: -15.01 Azimuth: 268.20

Sun: Altitude: -65.56 Azimuth: 234.79

Moon: Altitude: 16.64 Azimuth: 67.42

Argentina

Object: Altitude: -46.68 Azimuth: 325.33

Sun: Altitude: -35.59 Azimuth: 40.16

Moon: Altitude: 66.53 Azimuth: 150.70

Mexico

Object: Altitude: -59.39 Azimuth: 142.89

Sun: Altitude: -20.51 Azimuth: 87.08

Moon: Altitude: 39.38 Azimuth: 321.11

Ural

Object: Altitude: 23.41 Azimuth: 329.33

Sun: Altitude: -7.31 Azimuth: 282.27

Moon: Altitude: -34.69 Azimuth: 130.30

Vostryakovo

Object: Altitude: 16.62 Azimuth: 307.52

Sun: Altitude: -19.23 Azimuth: 264.70

Moon: Altitude: -24.95 Azimuth: 107.98

Gal. latitude: 41.927862 Gal. longitude: 250.665112

Dist. to Sun: 55.286535

Dist. to Moon: 159.954447

Moon coord.: (347.610228 d, -10.844765 d)

Sun coord.: (211.588160 d, -12.797323 d)

Lunar disk: 0.824408

Lunar phase: 49.547641

Lunar bright limb: 242.690176

No SN in this field

2025-04-19 06:47:59 (JD 2460784.783322)

Siderial time 23.149533 h

Ra 10:23:53.76 Dec -5:30:54.00
(155.974000d, -5.515000d)

Rise 2025-04-19 15:30:29

Transit 2025-04-19 21:01:03

Set 2025-04-20 02:31:37

Amur

Object: Altitude: 2.80 Azimuth: 282.10

Sun: Altitude: 33.46 Azimuth: 64.34

Moon: Altitude: -62.29 Azimuth: 134.39

Tunka

Object: Altitude: -12.53 Azimuth: 262.92

Sun: Altitude: 44.36 Azimuth: 36.40

Moon: Altitude: -48.29 Azimuth: 105.95

Kislovodsk

Object: Altitude: -49.21 Azimuth: 205.11

Sun: Altitude: 45.65 Azimuth: 306.55

Moon: Altitude: -8.06 Azimuth: 58.22

Tavrida

Object: Altitude: -50.22 Azimuth: 191.98

Sun: Altitude: 39.98 Azimuth: 298.35

Moon: Altitude: -3.60 Azimuth: 52.71

SAAO

Object: Altitude: -51.74 Azimuth: 8.92

Sun: Altitude: 20.61 Azimuth: 241.09

Moon: Altitude: 46.06 Azimuth: 81.36

IAC

Object: Altitude: -43.47 Azimuth: 111.10

Sun: Altitude: 1.85 Azimuth: 258.31

Moon: Altitude: 31.89 Azimuth: 14.37

Argentina

Object: Altitude: 7.72 Azimuth: 88.28

Sun: Altitude: -53.08 Azimuth: 296.49

Moon: Altitude: 56.26 Azimuth: 274.31

Mexico

Object: Altitude: 34.85 Azimuth: 56.23

Sun: Altitude: -47.12 Azimuth: 168.68

Moon: Altitude: -6.53 Azimuth: 299.18

Ural

Object: Altitude: -32.27 Azimuth: 220.12

Sun: Altitude: 42.10 Azimuth: 336.02

Moon: Altitude: -23.36 Azimuth: 73.61

Vostryakovo

Object: Altitude: -39.29 Azimuth: 194.81

Sun: Altitude: 36.06 Azimuth: 309.28

Moon: Altitude: -11.75 Azimuth: 56.62

Gal. latitude: 41.927862 Gal. longitude: 250.665112

Dist. to Sun: 129.192372

Dist. to Moon: 115.831423

Moon coord.: (279.271913 d, -28.275013 d)

Sun coord.: (27.067206 d, 11.164478 d)

Lunar disk: 0.678958

Lunar phase: 69.027769

Lunar bright limb: 88.238139

No SN in this field

Recent coverage and limits telegrams

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

  ID = 3295
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 SWIFT GRB 201027A ( S. B. Cenko et al., GCN 28788) errorbox 50 sec after trigger time at 2020-10-27 01:08:34 UT, with upper limit up to  17.8 mag. The observations began at zenith distance = 81 deg. The sun  altitude  is -30.2 deg. 

MASTER-OAFA robotic telescope  located in Argentina (OAFA observatory of San Juan National University) was pointed to the SWIFT GRB 201027A errorbox  21720 sec after notice time and 21841 sec after trigger time at 2020-10-27 07:11:45 UT, with upper limit up to  17.8 mag. The observations began at zenith distance = 79 deg. The sun  altitude  is -29.6 deg. 

MASTER-Tavrida robotic telescope  located in Russia (Lomonosov MSU, SAI Crimea astronomical station) was pointed to the SWIFT GRB 201027A errorbox  86031 sec after notice time and 86152 sec after trigger time at 2020-10-28 01:03:36 UT, with upper limit up to  16.0 mag. The observations began at zenith distance = 79 deg. The sun  altitude  is -34.5 deg. 

The galactic latitude b = 42 deg., longitude l = 251 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1469802

We obtain a following upper limits.  

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

      55 |         MASTER-SAAO |  P/ |    10 | 15.6 |        
      85 |         MASTER-SAAO |  P/ |    10 | 15.5 |        
     119 |         MASTER-SAAO |  P/ |    20 | 15.8 |        
     164 |         MASTER-SAAO |  P/ |    30 | 15.9 |        
     218 |         MASTER-SAAO |  P/ |    40 | 16.1 |        
     283 |         MASTER-SAAO |  P/ |    50 | 16.3 |        
     358 |         MASTER-SAAO |  P/ |    60 | 16.3 |        
     447 |         MASTER-SAAO |  P/ |    80 | 16.3 |        
     557 |         MASTER-SAAO |  P/ |   100 | 16.3 |        
     687 |         MASTER-SAAO |  P/ |   120 | 16.2 |        
     841 |         MASTER-SAAO |  P/ |   150 | 15.4 |        
    1025 |         MASTER-SAAO |  P/ |   180 | 15.7 |        
    1225 |         MASTER-SAAO |  P/ |   180 | 15.0 |        
    1425 |         MASTER-SAAO |  P/ |   180 | 15.5 |        
    1624 |         MASTER-SAAO |  P/ |   180 | 15.7 |        
    1624 |         MASTER-SAAO | P\  |   180 | 12.6 |        
    1823 |         MASTER-SAAO |  P/ |   180 | 14.6 |        
    1823 |         MASTER-SAAO | P\  |   180 | 13.3 |        
    2023 |         MASTER-SAAO |  P/ |   180 | 15.6 |        
    2023 |         MASTER-SAAO | P\  |   180 | 15.1 |        
    2223 |         MASTER-SAAO |  P/ |   180 | 15.6 |        
    2223 |         MASTER-SAAO | P\  |   180 | 15.4 |        
    2423 |         MASTER-SAAO |  P/ |   180 | 16.4 |        
    2423 |         MASTER-SAAO | P\  |   180 | 15.6 |        
    2622 |         MASTER-SAAO |  P/ |   180 | 16.6 |        
    2622 |         MASTER-SAAO | P\  |   180 | 16.1 |        
    2822 |         MASTER-SAAO |  P/ |   180 | 16.5 |        
    2822 |         MASTER-SAAO | P\  |   180 | 16.2 |        
    3021 |         MASTER-SAAO |  P/ |   180 | 16.8 |        
    3021 |         MASTER-SAAO | P\  |   180 | 16.5 |        
    3221 |         MASTER-SAAO |  P/ |   180 | 16.5 |        
    3221 |         MASTER-SAAO | P\  |   180 | 17.0 |        
    3620 |         MASTER-SAAO |  P/ |   180 | 17.1 |        
    3620 |         MASTER-SAAO | P\  |   180 | 16.8 |        
    3820 |         MASTER-SAAO |  P/ |   180 | 17.2 |        
    3820 |         MASTER-SAAO | P\  |   180 | 17.1 |        
    4020 |         MASTER-SAAO |  P/ |   180 | 17.3 |        
    4020 |         MASTER-SAAO | P\  |   180 | 17.1 |        
    4219 |         MASTER-SAAO |  P/ |   180 | 17.1 |        
    4219 |         MASTER-SAAO | P\  |   180 | 17.4 |        
    4419 |         MASTER-SAAO |  P/ |   180 | 17.5 |        
    4419 |         MASTER-SAAO | P\  |   180 | 17.6 |        
    4618 |         MASTER-SAAO |  P/ |   180 | 17.5 |        
    4618 |         MASTER-SAAO | P\  |   180 | 17.6 |        
    4818 |         MASTER-SAAO |  P/ |   180 | 17.5 |        
    4818 |         MASTER-SAAO | P\  |   180 | 17.8 |        
    5017 |         MASTER-SAAO |  P/ |   180 | 17.6 |        
    5017 |         MASTER-SAAO | P\  |   180 | 17.6 |        
    5217 |         MASTER-SAAO |  P/ |   180 | 17.4 |        
    5217 |         MASTER-SAAO | P\  |   180 | 17.7 |        
    5417 |         MASTER-SAAO |  P/ |   180 | 17.4 |        
    5417 |         MASTER-SAAO | P\  |   180 | 17.5 |        
    5616 |         MASTER-SAAO |  P/ |   180 | 17.2 |        
    5616 |         MASTER-SAAO | P\  |   180 | 17.5 |        
    5815 |         MASTER-SAAO |  P/ |   180 | 17.2 |        
    5815 |         MASTER-SAAO | P\  |   180 | 17.1 |        
    6015 |         MASTER-SAAO |  P/ |   180 | 16.8 |        
    6015 |         MASTER-SAAO | P\  |   180 | 17.0 |        
    6214 |         MASTER-SAAO |  P/ |   180 | 16.5 |        
    6215 |         MASTER-SAAO | P\  |   180 | 16.6 |        
    6414 |         MASTER-SAAO |  P/ |   180 | 15.9 |        
    6414 |         MASTER-SAAO | P\  |   180 | 16.3 |        
    6614 |         MASTER-SAAO |  P/ |   180 | 15.5 |        
    6614 |         MASTER-SAAO | P\  |   180 | 15.1 |        
   21932 |         MASTER-OAFA |   C |   180 | 17.3 |        
   22776 |         MASTER-OAFA |   C |   180 | 17.7 |        
   27122 |         MASTER-OAFA |   C |    60 | 17.7 |        
   27201 |         MASTER-OAFA |   C |    60 | 17.8 |        
   86242 |      MASTER-Tavrida |   C |   180 | 16.0 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 3291
TYPE = 35
DAYS = 0.5


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 SWIFT GRB 201027A ( S. B. Cenko et al., GCN 28788) errorbox 50 sec after trigger time at 2020-10-27 01:08:34 UT, with upper limit up to  17.8 mag. The observations began at zenith distance = 81 deg. The sun  altitude  is -30.2 deg. 

MASTER-OAFA robotic telescope  located in Argentina (OAFA observatory of San Juan National University) was pointed to the SWIFT GRB 201027A errorbox  21720 sec after notice time and 21841 sec after trigger time at 2020-10-27 07:11:45 UT, with upper limit up to  17.7 mag. The observations began at zenith distance = 79 deg. The sun  altitude  is -29.6 deg. 

The galactic latitude b = 42 deg., longitude l = 251 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1469802

We obtain a following upper limits.  

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

      55 |         MASTER-SAAO |  P/ |    10 | 15.6 |        
      85 |         MASTER-SAAO |  P/ |    10 | 15.5 |        
     119 |         MASTER-SAAO |  P/ |    20 | 15.8 |        
     164 |         MASTER-SAAO |  P/ |    30 | 15.9 |        
     218 |         MASTER-SAAO |  P/ |    40 | 16.1 |        
     283 |         MASTER-SAAO |  P/ |    50 | 16.3 |        
     358 |         MASTER-SAAO |  P/ |    60 | 16.3 |        
     447 |         MASTER-SAAO |  P/ |    80 | 16.3 |        
     557 |         MASTER-SAAO |  P/ |   100 | 16.3 |        
     687 |         MASTER-SAAO |  P/ |   120 | 16.2 |        
     841 |         MASTER-SAAO |  P/ |   150 | 15.4 |        
    1025 |         MASTER-SAAO |  P/ |   180 | 15.7 |        
    1225 |         MASTER-SAAO |  P/ |   180 | 15.0 |        
    1425 |         MASTER-SAAO |  P/ |   180 | 15.5 |        
    1624 |         MASTER-SAAO |  P/ |   180 | 15.7 |        
    1624 |         MASTER-SAAO | P\  |   180 | 12.6 |        
    1823 |         MASTER-SAAO |  P/ |   180 | 14.6 |        
    1823 |         MASTER-SAAO | P\  |   180 | 13.3 |        
    2023 |         MASTER-SAAO |  P/ |   180 | 15.6 |        
    2023 |         MASTER-SAAO | P\  |   180 | 15.1 |        
    2223 |         MASTER-SAAO |  P/ |   180 | 15.6 |        
    2223 |         MASTER-SAAO | P\  |   180 | 15.4 |        
    2423 |         MASTER-SAAO |  P/ |   180 | 16.4 |        
    2423 |         MASTER-SAAO | P\  |   180 | 15.6 |        
    2622 |         MASTER-SAAO |  P/ |   180 | 16.6 |        
    2622 |         MASTER-SAAO | P\  |   180 | 16.1 |        
    2822 |         MASTER-SAAO |  P/ |   180 | 16.5 |        
    2822 |         MASTER-SAAO | P\  |   180 | 16.2 |        
    3021 |         MASTER-SAAO |  P/ |   180 | 16.8 |        
    3021 |         MASTER-SAAO | P\  |   180 | 16.5 |        
    3221 |         MASTER-SAAO |  P/ |   180 | 16.5 |        
    3221 |         MASTER-SAAO | P\  |   180 | 17.0 |        
    3620 |         MASTER-SAAO |  P/ |   180 | 17.1 |        
    3620 |         MASTER-SAAO | P\  |   180 | 16.8 |        
    3820 |         MASTER-SAAO |  P/ |   180 | 17.2 |        
    3820 |         MASTER-SAAO | P\  |   180 | 17.1 |        
    4020 |         MASTER-SAAO |  P/ |   180 | 17.3 |        
    4020 |         MASTER-SAAO | P\  |   180 | 17.1 |        
    4219 |         MASTER-SAAO |  P/ |   180 | 17.1 |        
    4219 |         MASTER-SAAO | P\  |   180 | 17.4 |        
    4419 |         MASTER-SAAO |  P/ |   180 | 17.5 |        
    4419 |         MASTER-SAAO | P\  |   180 | 17.6 |        
    4618 |         MASTER-SAAO |  P/ |   180 | 17.5 |        
    4618 |         MASTER-SAAO | P\  |   180 | 17.6 |        
    4818 |         MASTER-SAAO |  P/ |   180 | 17.5 |        
    4818 |         MASTER-SAAO | P\  |   180 | 17.8 |        
    5017 |         MASTER-SAAO |  P/ |   180 | 17.6 |        
    5017 |         MASTER-SAAO | P\  |   180 | 17.6 |        
    5217 |         MASTER-SAAO |  P/ |   180 | 17.4 |        
    5217 |         MASTER-SAAO | P\  |   180 | 17.7 |        
    5417 |         MASTER-SAAO |  P/ |   180 | 17.4 |        
    5417 |         MASTER-SAAO | P\  |   180 | 17.5 |        
    5616 |         MASTER-SAAO |  P/ |   180 | 17.2 |        
    5616 |         MASTER-SAAO | P\  |   180 | 17.5 |        
    5815 |         MASTER-SAAO |  P/ |   180 | 17.2 |        
    5815 |         MASTER-SAAO | P\  |   180 | 17.1 |        
    6015 |         MASTER-SAAO |  P/ |   180 | 16.8 |        
    6015 |         MASTER-SAAO | P\  |   180 | 17.0 |        
    6214 |         MASTER-SAAO |  P/ |   180 | 16.5 |        
    6215 |         MASTER-SAAO | P\  |   180 | 16.6 |        
    6414 |         MASTER-SAAO |  P/ |   180 | 15.9 |        
    6414 |         MASTER-SAAO | P\  |   180 | 16.3 |        
    6614 |         MASTER-SAAO |  P/ |   180 | 15.5 |        
    6614 |         MASTER-SAAO | P\  |   180 | 15.1 |        
   21932 |         MASTER-OAFA |   C |   180 | 17.3 |        
   22776 |         MASTER-OAFA |   C |   180 | 17.7 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 3289
TYPE = 35
DAYS = 0.1


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 SWIFT GRB 201027A ( S. B. Cenko et al., GCN 28788) errorbox 50 sec after trigger time at 2020-10-27 01:08:34 UT, with upper limit up to  17.8 mag. The observations began at zenith distance = 81 deg. The sun  altitude  is -30.2 deg. 

The galactic latitude b = 42 deg., longitude l = 251 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1469802

We obtain a following upper limits.  

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

      55 |         MASTER-SAAO |  P/ |    10 | 15.6 |        
      85 |         MASTER-SAAO |  P/ |    10 | 15.5 |        
     119 |         MASTER-SAAO |  P/ |    20 | 15.8 |        
     164 |         MASTER-SAAO |  P/ |    30 | 15.9 |        
     218 |         MASTER-SAAO |  P/ |    40 | 16.1 |        
     283 |         MASTER-SAAO |  P/ |    50 | 16.3 |        
     358 |         MASTER-SAAO |  P/ |    60 | 16.3 |        
     447 |         MASTER-SAAO |  P/ |    80 | 16.3 |        
     557 |         MASTER-SAAO |  P/ |   100 | 16.3 |        
     687 |         MASTER-SAAO |  P/ |   120 | 16.2 |        
     841 |         MASTER-SAAO |  P/ |   150 | 15.4 |        
    1025 |         MASTER-SAAO |  P/ |   180 | 15.7 |        
    1225 |         MASTER-SAAO |  P/ |   180 | 15.0 |        
    1425 |         MASTER-SAAO |  P/ |   180 | 15.5 |        
    1624 |         MASTER-SAAO |  P/ |   180 | 15.7 |        
    1624 |         MASTER-SAAO | P\  |   180 | 12.6 |        
    1823 |         MASTER-SAAO |  P/ |   180 | 14.6 |        
    1823 |         MASTER-SAAO | P\  |   180 | 13.3 |        
    2023 |         MASTER-SAAO |  P/ |   180 | 15.6 |        
    2023 |         MASTER-SAAO | P\  |   180 | 15.1 |        
    2223 |         MASTER-SAAO |  P/ |   180 | 15.6 |        
    2223 |         MASTER-SAAO | P\  |   180 | 15.4 |        
    2423 |         MASTER-SAAO |  P/ |   180 | 16.4 |        
    2423 |         MASTER-SAAO | P\  |   180 | 15.6 |        
    2622 |         MASTER-SAAO |  P/ |   180 | 16.6 |        
    2622 |         MASTER-SAAO | P\  |   180 | 16.1 |        
    2822 |         MASTER-SAAO |  P/ |   180 | 16.5 |        
    2822 |         MASTER-SAAO | P\  |   180 | 16.2 |        
    3021 |         MASTER-SAAO |  P/ |   180 | 16.8 |        
    3021 |         MASTER-SAAO | P\  |   180 | 16.5 |        
    3221 |         MASTER-SAAO |  P/ |   180 | 16.5 |        
    3221 |         MASTER-SAAO | P\  |   180 | 17.0 |        
    3620 |         MASTER-SAAO |  P/ |   180 | 17.1 |        
    3620 |         MASTER-SAAO | P\  |   180 | 16.8 |        
    3820 |         MASTER-SAAO |  P/ |   180 | 17.2 |        
    3820 |         MASTER-SAAO | P\  |   180 | 17.1 |        
    4020 |         MASTER-SAAO |  P/ |   180 | 17.3 |        
    4020 |         MASTER-SAAO | P\  |   180 | 17.1 |        
    4219 |         MASTER-SAAO |  P/ |   180 | 17.1 |        
    4219 |         MASTER-SAAO | P\  |   180 | 17.4 |        
    4419 |         MASTER-SAAO |  P/ |   180 | 17.5 |        
    4419 |         MASTER-SAAO | P\  |   180 | 17.6 |        
    4618 |         MASTER-SAAO |  P/ |   180 | 17.5 |        
    4618 |         MASTER-SAAO | P\  |   180 | 17.6 |        
    4818 |         MASTER-SAAO |  P/ |   180 | 17.5 |        
    4818 |         MASTER-SAAO | P\  |   180 | 17.8 |        
    5017 |         MASTER-SAAO |  P/ |   180 | 17.6 |        
    5017 |         MASTER-SAAO | P\  |   180 | 17.6 |        
    5217 |         MASTER-SAAO |  P/ |   180 | 17.4 |        
    5217 |         MASTER-SAAO | P\  |   180 | 17.7 |        
    5417 |         MASTER-SAAO |  P/ |   180 | 17.4 |        
    5417 |         MASTER-SAAO | P\  |   180 | 17.5 |        
    5616 |         MASTER-SAAO |  P/ |   180 | 17.2 |        
    5616 |         MASTER-SAAO | P\  |   180 | 17.5 |        
    5815 |         MASTER-SAAO |  P/ |   180 | 17.2 |        
    5815 |         MASTER-SAAO | P\  |   180 | 17.1 |        
    6015 |         MASTER-SAAO |  P/ |   180 | 16.8 |        
    6015 |         MASTER-SAAO | P\  |   180 | 17.0 |        
    6214 |         MASTER-SAAO |  P/ |   180 | 16.5 |        
    6215 |         MASTER-SAAO | P\  |   180 | 16.6 |        
    6414 |         MASTER-SAAO |  P/ |   180 | 15.9 |        
    6414 |         MASTER-SAAO | P\  |   180 | 16.3 |        
    6614 |         MASTER-SAAO |  P/ |   180 | 15.5 |        
    6614 |         MASTER-SAAO | P\  |   180 | 15.1 |        


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



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

  ID = 3287
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 SWIFT GRB201027.05 (trigger No 1002158,10h 23m 53.76s , -05d 30m 54.0s, R=0.05) errorbox 50 sec after trigger time at 2020-10-27 01:08:34 UT, with upper limit up to  15.6 mag. The observations began at zenith distance = 81 deg. The sun  altitude  is -30.2 deg. 

The galactic latitude b = 42 deg., longitude l = 251 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1469802

We obtain a following upper limits.  

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

      55 |         MASTER-SAAO |  P/ |    10 | 15.6 |        


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



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

  ID = 3286
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 SWIFT GRB201027.05 (trigger No 1002158,10h 23m 53.76s , -05d 30m 54.0s, R=0.05) errorbox 50 sec after trigger time at 2020-10-27 01:08:34 UT, with upper limit up to  15.6 mag. The observations began at zenith distance = 81 deg. The sun  altitude  is -30.2 deg. 

The galactic latitude b = 42 deg., longitude l = 251 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1469802

We obtain a following upper limits.  

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

      55 |         MASTER-SAAO |  P/ |    10 | 15.6 |        


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

MASTER, 2002-2025

MASTER Net MASTER Database: GRB201027.05 page

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