MASTER Net MASTER Database: IceCube201021.28 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 ICECUBE IceCube201021.28
Trignum 31008065
Trigger time 2020-10-21 06:37:47.48
Notice time 2020-10-21 13:20:33.557951
Coord, eb (17h 23m 16.80s , +14d 33m 00.0s) , 1.38
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
1466368 2020-10-21 13:20:33.557951 17h 23m 16.80s +14d 33m 00.0s ICECUBE 1.38 alert 31008065 3 174 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

2020-10-21 06:37:47 (JD 2459143.776238)

Siderial time 11.149245 h

Ra 17:23:16.80 Dec 14:33:00.00
(260.820000d, 14.550000d)

Rise 2020-10-21 05:18:10

Transit 2020-10-21 12:51:05

Set 2020-10-21 20:23:59

Amur

Object: Altitude: 54.10 Azimuth: 353.86

Sun: Altitude: 14.49 Azimuth: 52.11

Moon: Altitude: 14.65 Azimuth: 348.22

Tunka

Object: Altitude: 46.49 Azimuth: 318.48

Sun: Altitude: 23.32 Azimuth: 28.67

Moon: Altitude: 7.38 Azimuth: 326.46

Kislovodsk

Object: Altitude: 10.95 Azimuth: 260.26

Sun: Altitude: 27.37 Azimuth: 321.91

Moon: Altitude: -21.67 Azimuth: 283.33

Tavrida

Object: Altitude: 5.21 Azimuth: 254.65

Sun: Altitude: 22.56 Azimuth: 314.16

Moon: Altitude: -27.84 Azimuth: 277.45

SAAO

Object: Altitude: -24.79 Azimuth: 268.01

Sun: Altitude: 34.66 Azimuth: 260.26

Moon: Altitude: -8.97 Azimuth: 306.28

IAC

Object: Altitude: -36.97 Azimuth: 220.33

Sun: Altitude: -7.64 Azimuth: 278.17

Moon: Altitude: -68.57 Azimuth: 264.43

Argentina

Object: Altitude: -64.53 Azimuth: 52.10

Sun: Altitude: -36.27 Azimuth: 316.71

Moon: Altitude: -27.37 Azimuth: 30.19

Mexico

Object: Altitude: -15.37 Azimuth: 118.01

Sun: Altitude: -68.77 Azimuth: 161.25

Moon: Altitude: -28.29 Azimuth: 77.32

Ural

Object: Altitude: 22.12 Azimuth: 277.37

Sun: Altitude: 20.77 Azimuth: 342.24

Moon: Altitude: -15.17 Azimuth: 291.27

Vostryakovo

Object: Altitude: 10.03 Azimuth: 258.89

Sun: Altitude: 16.39 Azimuth: 320.28

Moon: Altitude: -26.54 Azimuth: 274.78

Gal. latitude: 25.441317 Gal. longitude: 36.828368

Dist. to Sun: 59.905866

Dist. to Moon: 39.699064

Moon coord.: (269.613354 d, -24.208979 d)

Sun coord.: (206.042866 d, -10.779727 d)

Lunar disk: 0.263393

Lunar phase: 118.243175

Lunar bright limb: 270.556422

No SN in this field

2020-10-21 13:20:33 (JD 2459144.055938)

Siderial time 17.880402 h

Ra 17:23:16.80 Dec 14:33:00.00
(260.820000d, 14.550000d)

Rise 2020-10-22 05:14:14

Transit 2020-10-22 12:47:09

Set 2020-10-22 20:20:03

Amur

Object: Altitude: 6.62 Azimuth: 104.84

Sun: Altitude: -44.24 Azimuth: 139.57

Moon: Altitude: -15.10 Azimuth: 69.66

Tunka

Object: Altitude: 21.97 Azimuth: 85.72

Sun: Altitude: -31.11 Azimuth: 114.24

Moon: Altitude: -2.45 Azimuth: 51.90

Kislovodsk

Object: Altitude: 58.97 Azimuth: 23.56

Sun: Altitude: 8.56 Azimuth: 65.90

Moon: Altitude: 21.75 Azimuth: 359.25

Tavrida

Object: Altitude: 59.65 Azimuth: 7.26

Sun: Altitude: 13.52 Azimuth: 59.24

Moon: Altitude: 20.25 Azimuth: 351.01

SAAO

Object: Altitude: 42.21 Azimuth: 192.35

Sun: Altitude: 43.36 Azimuth: 106.94

Moon: Altitude: 68.78 Azimuth: 253.96

IAC

Object: Altitude: 44.68 Azimuth: 277.54

Sun: Altitude: 50.11 Azimuth: 11.95

Moon: Altitude: 11.91 Azimuth: 306.51

Argentina

Object: Altitude: -15.60 Azimuth: 262.31

Sun: Altitude: 43.56 Azimuth: 253.55

Moon: Altitude: -4.52 Azimuth: 302.59

Mexico

Object: Altitude: -30.75 Azimuth: 225.61

Sun: Altitude: -2.30 Azimuth: 281.32

Moon: Altitude: -65.87 Azimuth: 260.80

Ural

Object: Altitude: 42.07 Azimuth: 39.66

Sun: Altitude: -5.79 Azimuth: 78.91

Moon: Altitude: 7.31 Azimuth: 14.88

Vostryakovo

Object: Altitude: 48.75 Azimuth: 11.16

Sun: Altitude: 6.07 Azimuth: 60.77

Moon: Altitude: 9.98 Azimuth: 354.94

Gal. latitude: 25.441317 Gal. longitude: 36.828368

Dist. to Sun: 59.708971

Dist. to Moon: 41.080481

Moon coord.: (273.875231 d, -24.504024 d)

Sun coord.: (206.307437 d, -10.879036 d)

Lunar disk: 0.291594

Lunar phase: 114.633487

Lunar bright limb: 268.959111

No SN in this field

2020-10-21 14:20:33 (JD 2459144.097604)

Siderial time 18.883140 h

Ra 17:23:16.80 Dec 14:33:00.00
(260.820000d, 14.550000d)

Rise 2020-10-22 05:14:14

Transit 2020-10-22 12:47:09

Set 2020-10-22 20:20:03

Amur

Object: Altitude: -2.36 Azimuth: 116.32

Sun: Altitude: -49.10 Azimuth: 159.92

Moon: Altitude: -23.99 Azimuth: 79.89

Tunka

Object: Altitude: 12.69 Azimuth: 97.49

Sun: Altitude: -38.99 Azimuth: 129.48

Moon: Altitude: -9.97 Azimuth: 62.71

Kislovodsk

Object: Altitude: 52.64 Azimuth: 47.09

Sun: Altitude: -1.69 Azimuth: 76.50

Moon: Altitude: 20.58 Azimuth: 13.25

Tavrida

Object: Altitude: 55.86 Azimuth: 33.82

Sun: Altitude: 3.87 Azimuth: 70.51

Moon: Altitude: 20.57 Azimuth: 4.99

SAAO

Object: Altitude: 42.76 Azimuth: 172.58

Sun: Altitude: 30.98 Azimuth: 96.87

Moon: Altitude: 79.43 Azimuth: 224.13

IAC

Object: Altitude: 57.59 Azimuth: 288.40

Sun: Altitude: 45.04 Azimuth: 32.54

Moon: Altitude: 21.45 Azimuth: 315.91

Argentina

Object: Altitude: -3.08 Azimuth: 254.77

Sun: Altitude: 55.29 Azimuth: 239.70

Moon: Altitude: 6.23 Azimuth: 295.08

Mexico

Object: Altitude: -20.66 Azimuth: 237.29

Sun: Altitude: 10.08 Azimuth: 289.33

Moon: Altitude: -53.58 Azimuth: 270.02

Ural

Object: Altitude: 35.97 Azimuth: 56.73

Sun: Altitude: -13.92 Azimuth: 91.39

Moon: Altitude: 4.44 Azimuth: 27.73

Vostryakovo

Object: Altitude: 45.59 Azimuth: 32.14

Sun: Altitude: -1.77 Azimuth: 73.26

Moon: Altitude: 9.72 Azimuth: 8.24

Gal. latitude: 25.441317 Gal. longitude: 36.828368

Dist. to Sun: 59.679671

Dist. to Moon: 41.307785

Moon coord.: (274.508257 d, -24.537577 d)

Sun coord.: (206.346867 d, -10.893811 d)

Lunar disk: 0.295843

Lunar phase: 114.098918

Lunar bright limb: 268.717935

No SN in this field

2025-05-09 16:19:16 (JD 2460805.180046)

Siderial time 10.011187 h

Ra 17:23:16.80 Dec 14:33:00.00
(260.820000d, 14.550000d)

Rise 2025-05-10 16:03:49

Transit 2025-05-10 23:36:43

Set 2025-05-10 07:13:35

Amur

Object: Altitude: 50.46 Azimuth: 327.35

Sun: Altitude: -21.18 Azimuth: 193.87

Moon: Altitude: 19.48 Azimuth: 49.03

Tunka

Object: Altitude: 38.25 Azimuth: 299.00

Sun: Altitude: -20.08 Azimuth: 168.96

Moon: Altitude: 27.46 Azimuth: 24.18

Kislovodsk

Object: Altitude: -0.92 Azimuth: 248.70

Sun: Altitude: -0.70 Azimuth: 115.28

Moon: Altitude: 27.42 Azimuth: 315.38

Tavrida

Object: Altitude: -6.07 Azimuth: 242.56

Sun: Altitude: 5.31 Azimuth: 109.40

Moon: Altitude: 22.21 Azimuth: 307.91

SAAO

Object: Altitude: -39.18 Azimuth: 277.64

Sun: Altitude: -6.71 Azimuth: 106.45

Moon: Altitude: 28.88 Azimuth: 260.61

IAC

Object: Altitude: -44.69 Azimuth: 200.94

Sun: Altitude: 43.40 Azimuth: 87.70

Moon: Altitude: -10.81 Azimuth: 273.26

Argentina

Object: Altitude: -51.64 Azimuth: 72.11

Sun: Altitude: 40.64 Azimuth: 184.10

Moon: Altitude: -41.49 Azimuth: 319.93

Mexico

Object: Altitude: -1.92 Azimuth: 108.28

Sun: Altitude: 47.69 Azimuth: 278.11

Moon: Altitude: -64.34 Azimuth: 151.80

Ural

Object: Altitude: 12.85 Azimuth: 263.01

Sun: Altitude: -2.89 Azimuth: 129.05

Moon: Altitude: 22.57 Azimuth: 336.31

Vostryakovo

Object: Altitude: 0.83 Azimuth: 245.09

Sun: Altitude: 6.72 Azimuth: 111.17

Moon: Altitude: 17.04 Azimuth: 314.27

Gal. latitude: 25.441317 Gal. longitude: 36.828368

Dist. to Sun: 133.396740

Dist. to Moon: 69.878372

Moon coord.: (194.087048 d, -7.933485 d)

Sun coord.: (46.481994 d, 17.459392 d)

Lunar disk: 0.920030

Lunar phase: 32.853617

Lunar bright limb: 290.005712

No SN in this field
Recent coverage and limits telegrams

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

  ID = 3281
TYPE = 35
DAYS = 3


MASTER-Tavrida robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Lomonosov MSU, SAI Crimea astronomical station) was pointed to the ICECUBE Alert 201021.28 (trigger No 31008065,17h 22m 45.36s , +14d 39m 10.8s, R=0.51) errorbox  32837 sec after notice time and 32892 sec after trigger time at 2020-10-21 15:45:59 UT, with upper limit up to  18.5 mag. Observations started at twilight.  The observations began at zenith distance = 45 deg. The sun  altitude  is -10.9 deg. 

MASTER-OAFA robotic telescope  located in Argentina (OAFA observatory of San Juan National University) was pointed to the ICECUBE Alert 201021.28 errorbox  61473 sec after notice time and 61528 sec after trigger time at 2020-10-21 23:43:15 UT, with upper limit up to  17.6 mag. Observations started at twilight.  The observations began at zenith distance = 71 deg. The sun  altitude  is -11.7 deg. 

The galactic latitude b = 26 deg., longitude l = 37 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1466147

We obtain a following upper limits.  

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

   32982 | 2020-10-21 15:45:59 |      MASTER-Tavrida | (17h 20m 39.25s , +14d 38m 17.4s) |   C |   180 | 16.7 |        
   33384 | 2020-10-21 15:52:41 |      MASTER-Tavrida | (17h 20m 35.68s , +14d 38m 01.9s) |   C |   180 | 17.5 |        
   37135 | 2020-10-21 16:56:12 |      MASTER-Tavrida | (17h 22m 17.94s , +15d 58m 09.3s) |   C |    60 | 17.9 |        
   37457 | 2020-10-21 17:01:34 |      MASTER-Tavrida | (17h 20m 46.12s , +13d 56m 05.9s) |   C |    60 | 17.7 |        
   37537 | 2020-10-21 17:02:54 |      MASTER-Tavrida | (17h 22m 20.32s , +15d 56m 08.8s) |   C |    60 | 17.9 |        
   37618 | 2020-10-21 17:04:15 |      MASTER-Tavrida | (17h 30m 37.02s , +15d 58m 07.2s) |   C |    60 | 18.1 |        
   38026 | 2020-10-21 17:11:03 |      MASTER-Tavrida | (17h 20m 54.52s , +13d 56m 40.8s) |   C |    60 | 17.5 |        
   38107 | 2020-10-21 17:12:24 |      MASTER-Tavrida | (17h 30m 34.20s , +15d 55m 46.1s) |   C |    60 | 17.9 |        
   61619 | 2020-10-21 23:43:15 |         MASTER-OAFA | (17h 21m 32.66s , +13d 57m 51.1s) |   C |   180 | 16.2 |        
   61902 | 2020-10-21 23:47:59 |         MASTER-OAFA | (17h 27m 34.01s , +13d 07m 52.6s) |   C |   180 | 16.9 |        
   62082 | 2020-10-21 23:47:59 |         MASTER-OAFA | (17h 27m 34.01s , +13d 07m 52.5s) |   C |   540 | 17.6 |  Coadd 
   62101 | 2020-10-21 23:51:18 |         MASTER-OAFA | (17h 27m 27.63s , +13d 07m 15.1s) |   C |   180 | 17.1 |        
   62301 | 2020-10-21 23:54:38 |         MASTER-OAFA | (17h 27m 28.52s , +13d 08m 13.7s) |   C |   180 | 17.2 |        
   62500 | 2020-10-21 23:57:57 |         MASTER-OAFA | (17h 18m 45.17s , +13d 07m 21.9s) |   C |   180 | 16.9 |        
   62680 | 2020-10-21 23:57:57 |         MASTER-OAFA | (17h 18m 45.17s , +13d 07m 21.9s) |   C |   540 | 17.3 |  Coadd 
   62700 | 2020-10-22 00:01:17 |         MASTER-OAFA | (17h 18m 39.12s , +13d 06m 21.5s) |   C |   180 | 16.8 |        
   62900 | 2020-10-22 00:04:37 |         MASTER-OAFA | (17h 18m 43.58s , +13d 06m 40.8s) |   C |   180 | 16.1 |        
  119617 | 2020-10-22 15:49:54 |      MASTER-Tavrida | (17h 21m 10.01s , +14d 37m 55.4s) |   C |   180 | 17.4 |        
  120221 | 2020-10-22 15:59:58 |      MASTER-Tavrida | (17h 21m 11.80s , +14d 39m 00.5s) |   C |   180 | 18.4 |        
  148134 | 2020-10-22 23:45:11 |         MASTER-OAFA | (17h 21m 28.04s , +13d 57m 47.9s) |   C |   180 | 15.4 |        
  209818 | 2020-10-23 16:53:15 |      MASTER-Tavrida | (17h 21m 41.32s , +14d 18m 54.3s) |   C |   180 | 17.7 |        
  210018 | 2020-10-23 16:56:35 |      MASTER-Tavrida | (17h 21m 41.51s , +14d 16m 54.9s) |   C |   180 | 17.9 |        
  210219 | 2020-10-23 16:59:56 |      MASTER-Tavrida | (17h 21m 43.52s , +14d 18m 30.2s) |   C |   180 | 18.0 |        
  210399 | 2020-10-23 16:59:56 |      MASTER-Tavrida | (17h 21m 43.52s , +14d 18m 30.1s) |   C |   540 | 18.5 |  Coadd 
  210420 | 2020-10-23 17:03:17 |      MASTER-Tavrida | (17h 21m 39.07s , +14d 17m 32.4s) |   C |   180 | 18.0 |        
  210621 | 2020-10-23 17:06:38 |      MASTER-Tavrida | (17h 21m 38.93s , +14d 18m 24.5s) |   C |   180 | 17.9 |        
  210821 | 2020-10-23 17:09:58 |      MASTER-Tavrida | (17h 21m 44.18s , +14d 17m 16.5s) |   C |   180 | 17.8 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 3275
TYPE = 35
DAYS = 2


MASTER-Tavrida robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Lomonosov MSU, SAI Crimea astronomical station) was pointed to the ICECUBE Alert 201021.28 (trigger No 31008065,17h 22m 45.36s , +14d 39m 10.8s, R=0.51) errorbox  32837 sec after notice time and 32892 sec after trigger time at 2020-10-21 15:45:59 UT, with upper limit up to  18.4 mag. Observations started at twilight.  The observations began at zenith distance = 45 deg. The sun  altitude  is -10.9 deg. 

MASTER-OAFA robotic telescope  located in Argentina (OAFA observatory of San Juan National University) was pointed to the ICECUBE Alert 201021.28 errorbox  61473 sec after notice time and 61528 sec after trigger time at 2020-10-21 23:43:15 UT, with upper limit up to  17.6 mag. Observations started at twilight.  The observations began at zenith distance = 71 deg. The sun  altitude  is -11.7 deg. 

The galactic latitude b = 26 deg., longitude l = 37 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1466147

We obtain a following upper limits.  

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

   32982 | 2020-10-21 15:45:59 |      MASTER-Tavrida | (17h 20m 39.25s , +14d 38m 17.4s) |   C |   180 | 16.7 |        
   33384 | 2020-10-21 15:52:41 |      MASTER-Tavrida | (17h 20m 35.68s , +14d 38m 01.9s) |   C |   180 | 17.5 |        
   37135 | 2020-10-21 16:56:12 |      MASTER-Tavrida | (17h 22m 17.94s , +15d 58m 09.3s) |   C |    60 | 17.9 |        
   37457 | 2020-10-21 17:01:34 |      MASTER-Tavrida | (17h 20m 46.12s , +13d 56m 05.9s) |   C |    60 | 17.7 |        
   37537 | 2020-10-21 17:02:54 |      MASTER-Tavrida | (17h 22m 20.32s , +15d 56m 08.8s) |   C |    60 | 17.9 |        
   37618 | 2020-10-21 17:04:15 |      MASTER-Tavrida | (17h 30m 37.02s , +15d 58m 07.2s) |   C |    60 | 18.1 |        
   38026 | 2020-10-21 17:11:03 |      MASTER-Tavrida | (17h 20m 54.52s , +13d 56m 40.8s) |   C |    60 | 17.5 |        
   38107 | 2020-10-21 17:12:24 |      MASTER-Tavrida | (17h 30m 34.20s , +15d 55m 46.1s) |   C |    60 | 17.9 |        
   61619 | 2020-10-21 23:43:15 |         MASTER-OAFA | (17h 21m 32.66s , +13d 57m 51.1s) |   C |   180 | 16.2 |        
   61902 | 2020-10-21 23:47:59 |         MASTER-OAFA | (17h 27m 34.01s , +13d 07m 52.6s) |   C |   180 | 16.9 |        
   62082 | 2020-10-21 23:47:59 |         MASTER-OAFA | (17h 27m 34.01s , +13d 07m 52.5s) |   C |   540 | 17.6 |  Coadd 
   62101 | 2020-10-21 23:51:18 |         MASTER-OAFA | (17h 27m 27.63s , +13d 07m 15.1s) |   C |   180 | 17.1 |        
   62301 | 2020-10-21 23:54:38 |         MASTER-OAFA | (17h 27m 28.52s , +13d 08m 13.7s) |   C |   180 | 17.2 |        
   62500 | 2020-10-21 23:57:57 |         MASTER-OAFA | (17h 18m 45.17s , +13d 07m 21.9s) |   C |   180 | 16.9 |        
   62680 | 2020-10-21 23:57:57 |         MASTER-OAFA | (17h 18m 45.17s , +13d 07m 21.9s) |   C |   540 | 17.3 |  Coadd 
   62700 | 2020-10-22 00:01:17 |         MASTER-OAFA | (17h 18m 39.12s , +13d 06m 21.5s) |   C |   180 | 16.8 |        
   62900 | 2020-10-22 00:04:37 |         MASTER-OAFA | (17h 18m 43.58s , +13d 06m 40.8s) |   C |   180 | 16.1 |        
  119617 | 2020-10-22 15:49:54 |      MASTER-Tavrida | (17h 21m 10.01s , +14d 37m 55.4s) |   C |   180 | 17.4 |        
  120221 | 2020-10-22 15:59:58 |      MASTER-Tavrida | (17h 21m 11.80s , +14d 39m 00.5s) |   C |   180 | 18.4 |        
  148134 | 2020-10-22 23:45:11 |         MASTER-OAFA | (17h 21m 28.04s , +13d 57m 47.9s) |   C |   180 | 15.4 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 3267
TYPE = 35
DAYS = 1


MASTER-Tavrida robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Lomonosov MSU, SAI Crimea astronomical station) was pointed to the ICECUBE Alert 201021.28 (trigger No 31008065,17h 22m 45.36s , +14d 39m 10.8s, R=0.51) errorbox  32837 sec after notice time and 32892 sec after trigger time at 2020-10-21 15:45:59 UT, with upper limit up to  18.1 mag. Observations started at twilight.  The observations began at zenith distance = 45 deg. The sun  altitude  is -10.9 deg. 

MASTER-OAFA robotic telescope  located in Argentina (OAFA observatory of San Juan National University) was pointed to the ICECUBE Alert 201021.28 errorbox  61473 sec after notice time and 61528 sec after trigger time at 2020-10-21 23:43:15 UT, with upper limit up to  17.6 mag. Observations started at twilight.  The observations began at zenith distance = 71 deg. The sun  altitude  is -11.7 deg. 

The galactic latitude b = 26 deg., longitude l = 37 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1466141

We obtain a following upper limits.  

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

   32982 | 2020-10-21 15:45:59 |      MASTER-Tavrida | (17h 20m 39.25s , +14d 38m 17.4s) |   C |   180 | 16.7 |        
   33384 | 2020-10-21 15:52:41 |      MASTER-Tavrida | (17h 20m 35.68s , +14d 38m 01.9s) |   C |   180 | 17.5 |        
   37135 | 2020-10-21 16:56:12 |      MASTER-Tavrida | (17h 22m 17.94s , +15d 58m 09.3s) |   C |    60 | 17.9 |        
   37457 | 2020-10-21 17:01:34 |      MASTER-Tavrida | (17h 20m 46.12s , +13d 56m 05.9s) |   C |    60 | 17.7 |        
   37537 | 2020-10-21 17:02:54 |      MASTER-Tavrida | (17h 22m 20.32s , +15d 56m 08.8s) |   C |    60 | 17.9 |        
   37618 | 2020-10-21 17:04:15 |      MASTER-Tavrida | (17h 30m 37.02s , +15d 58m 07.2s) |   C |    60 | 18.1 |        
   38026 | 2020-10-21 17:11:03 |      MASTER-Tavrida | (17h 20m 54.52s , +13d 56m 40.8s) |   C |    60 | 17.5 |        
   38107 | 2020-10-21 17:12:24 |      MASTER-Tavrida | (17h 30m 34.20s , +15d 55m 46.1s) |   C |    60 | 17.9 |        
   61619 | 2020-10-21 23:43:15 |         MASTER-OAFA | (17h 21m 32.66s , +13d 57m 51.1s) |   C |   180 | 16.2 |        
   61902 | 2020-10-21 23:47:59 |         MASTER-OAFA | (17h 27m 34.01s , +13d 07m 52.6s) |   C |   180 | 16.9 |        
   62082 | 2020-10-21 23:47:59 |         MASTER-OAFA | (17h 27m 34.01s , +13d 07m 52.5s) |   C |   540 | 17.6 |  Coadd 
   62101 | 2020-10-21 23:51:18 |         MASTER-OAFA | (17h 27m 27.63s , +13d 07m 15.1s) |   C |   180 | 17.1 |        
   62301 | 2020-10-21 23:54:38 |         MASTER-OAFA | (17h 27m 28.52s , +13d 08m 13.7s) |   C |   180 | 17.2 |        
   62500 | 2020-10-21 23:57:57 |         MASTER-OAFA | (17h 18m 45.17s , +13d 07m 21.9s) |   C |   180 | 16.9 |        
   62680 | 2020-10-21 23:57:57 |         MASTER-OAFA | (17h 18m 45.17s , +13d 07m 21.9s) |   C |   540 | 17.3 |  Coadd 
   62700 | 2020-10-22 00:01:17 |         MASTER-OAFA | (17h 18m 39.12s , +13d 06m 21.5s) |   C |   180 | 16.8 |        
   62900 | 2020-10-22 00:04:37 |         MASTER-OAFA | (17h 18m 43.58s , +13d 06m 40.8s) |   C |   180 | 16.1 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 3260
TYPE = 34
DAYS = 0


MASTER-Tavrida robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Lomonosov MSU, SAI Crimea astronomical station) was pointed to the ICECUBE Alert 201021.28 (trigger No 31008065,17h 22m 45.36s , +14d 39m 10.8s, R=0.51) errorbox  32837 sec after notice time and 32892 sec after trigger time at 2020-10-21 15:45:59 UT, with upper limit up to  17.5 mag. Observations started at twilight.  The observations began at zenith distance = 45 deg. The sun  altitude  is -10.9 deg. 

The galactic latitude b = 26 deg., longitude l = 37 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1466141

We obtain a following upper limits.  

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

   32982 | 2020-10-21 15:45:59 |      MASTER-Tavrida | (17h 20m 39.25s , +14d 38m 17.4s) |   C |   180 | 16.7 |        
   33384 | 2020-10-21 15:52:41 |      MASTER-Tavrida | (17h 20m 35.68s , +14d 38m 01.9s) |   C |   180 | 17.5 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 3259
TYPE = 35
DAYS = 0


MASTER-Tavrida robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Lomonosov MSU, SAI Crimea astronomical station) was pointed to the ICECUBE Alert 201021.28 (trigger No 31008065,17h 22m 45.36s , +14d 39m 10.8s, R=0.51) errorbox  32837 sec after notice time and 32892 sec after trigger time at 2020-10-21 15:45:59 UT, with upper limit up to  17.5 mag. Observations started at twilight.  The observations began at zenith distance = 45 deg. The sun  altitude  is -10.9 deg. 

The galactic latitude b = 26 deg., longitude l = 37 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1466141

We obtain a following upper limits.  

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

   32982 | 2020-10-21 15:45:59 |      MASTER-Tavrida | (17h 20m 39.25s , +14d 38m 17.4s) |   C |   180 | 16.7 |        
   33384 | 2020-10-21 15:52:41 |      MASTER-Tavrida | (17h 20m 35.68s , +14d 38m 01.9s) |   C |   180 | 17.5 |        
Filter C is a clear (unfiltred) band. 


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

MASTER, 2002-2025