MASTER Net MASTER Database: GRB221017.24 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 MAXI GRB221017.24
Trignum 869163312
Trigger time 2022-10-17 05:39:40
Notice time 2022-10-17 05:43:37.534102
Coord, eb (07h 47m 00.96s , +39d 17m 20.4s) , 1
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You are viewing outdated information, relevant error box is here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
2124344 2022-10-17 06:00:14.046539 07h 47m 26.16s +39d 24m 32.4s MAXI 1 alert 869163312 3 134 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

2022-10-17 05:39:40 (JD 2459869.735880)

Siderial time 9.883315 h

Ra 07:47:00.96 Dec 39:17:20.40
(116.754000d, 39.289000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: 13.31 Azimuth: 137.22

Sun: Altitude: 22.68 Azimuth: 39.36

Moon: Altitude: 0.05 Azimuth: 135.07

Tunka

Object: Altitude: 26.09 Azimuth: 121.19

Sun: Altitude: 28.19 Azimuth: 13.39

Moon: Altitude: 13.29 Azimuth: 116.88

Kislovodsk

Object: Altitude: 62.61 Azimuth: 93.33

Sun: Altitude: 21.21 Azimuth: 307.39

Moon: Altitude: 51.88 Azimuth: 78.19

Tavrida

Object: Altitude: 68.69 Azimuth: 85.02

Sun: Altitude: 15.61 Azimuth: 300.59

Moon: Altitude: 57.44 Azimuth: 68.45

SAAO

Object: Altitude: 17.05 Azimuth: 168.16

Sun: Altitude: 21.46 Azimuth: 267.29

Moon: Altitude: 27.44 Azimuth: 158.95

IAC

Object: Altitude: 68.31 Azimuth: 233.69

Sun: Altitude: -19.80 Azimuth: 269.87

Moon: Altitude: 75.44 Azimuth: 271.59

Argentina

Object: Altitude: -9.70 Azimuth: 229.46

Sun: Altitude: -45.00 Azimuth: 332.16

Moon: Altitude: 1.76 Azimuth: 236.50

Mexico

Object: Altitude: 1.76 Azimuth: 223.86

Sun: Altitude: -60.32 Azimuth: 133.01

Moon: Altitude: -1.77 Azimuth: 236.82

Ural

Object: Altitude: 51.47 Azimuth: 86.09

Sun: Altitude: 18.93 Azimuth: 326.85

Moon: Altitude: 38.66 Azimuth: 80.31

Vostryakovo

Object: Altitude: 63.54 Azimuth: 65.86

Sun: Altitude: 11.79 Azimuth: 306.01

Moon: Altitude: 50.54 Azimuth: 59.62

Gal. latitude: 27.613493 Gal. longitude: 180.738009

Dist. to Sun: 91.953372

Dist. to Moon: 13.427500

Moon coord.: (110.495471 d, 26.917113 d)

Sun coord.: (201.764796 d, -9.135872 d)

Lunar disk: 0.547057

Lunar phase: 84.599636

Lunar bright limb: 97.605324

No SN in this field

2022-10-17 05:43:37 (JD 2459869.738623)

Siderial time 9.949328 h

Ra 07:47:00.96 Dec 39:17:20.40
(116.754000d, 39.289000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: 12.88 Azimuth: 137.88

Sun: Altitude: 22.27 Azimuth: 40.32

Moon: Altitude: -0.38 Azimuth: 135.80

Tunka

Object: Altitude: 25.57 Azimuth: 121.81

Sun: Altitude: 28.05 Azimuth: 14.49

Moon: Altitude: 12.76 Azimuth: 117.56

Kislovodsk

Object: Altitude: 61.89 Azimuth: 93.93

Sun: Altitude: 21.77 Azimuth: 308.24

Moon: Altitude: 51.20 Azimuth: 79.01

Tavrida

Object: Altitude: 67.99 Azimuth: 85.86

Sun: Altitude: 16.21 Azimuth: 301.38

Moon: Altitude: 56.80 Azimuth: 69.49

SAAO

Object: Altitude: 16.87 Azimuth: 167.38

Sun: Altitude: 22.29 Azimuth: 266.75

Moon: Altitude: 27.15 Azimuth: 158.05

IAC

Object: Altitude: 69.01 Azimuth: 232.82

Sun: Altitude: -18.93 Azimuth: 270.34

Moon: Altitude: 76.28 Azimuth: 272.17

Argentina

Object: Altitude: -9.06 Azimuth: 229.03

Sun: Altitude: -44.60 Azimuth: 330.91

Moon: Altitude: 2.43 Azimuth: 235.98

Mexico

Object: Altitude: 2.35 Azimuth: 224.35

Sun: Altitude: -60.93 Azimuth: 134.55

Moon: Altitude: -1.08 Azimuth: 237.33

Ural

Object: Altitude: 50.93 Azimuth: 86.96

Sun: Altitude: 19.22 Azimuth: 327.84

Moon: Altitude: 38.15 Azimuth: 81.18

Vostryakovo

Object: Altitude: 63.03 Azimuth: 67.12

Sun: Altitude: 12.24 Azimuth: 306.89

Moon: Altitude: 50.06 Azimuth: 60.72

Gal. latitude: 27.613493 Gal. longitude: 180.738009

Dist. to Sun: 91.955962

Dist. to Moon: 13.418869

Moon coord.: (110.531676 d, 26.913820 d)

Sun coord.: (201.767357 d, -9.136878 d)

Lunar disk: 0.546799

Lunar phase: 84.629349

Lunar bright limb: 97.621393

No SN in this field

2022-10-17 06:43:37 (JD 2459869.780289)

Siderial time 10.952066 h

Ra 07:47:00.96 Dec 39:17:20.40
(116.754000d, 39.289000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: 7.10 Azimuth: 148.13

Sun: Altitude: 15.23 Azimuth: 54.10

Moon: Altitude: -6.17 Azimuth: 147.37

Tunka

Object: Altitude: 18.11 Azimuth: 131.43

Sun: Altitude: 24.48 Azimuth: 30.53

Moon: Altitude: 5.20 Azimuth: 128.18

Kislovodsk

Object: Altitude: 51.15 Azimuth: 102.07

Sun: Altitude: 29.39 Azimuth: 322.35

Moon: Altitude: 40.76 Azimuth: 90.04

Tavrida

Object: Altitude: 57.32 Azimuth: 96.12

Sun: Altitude: 24.61 Azimuth: 314.42

Moon: Altitude: 46.78 Azimuth: 82.79

SAAO

Object: Altitude: 12.87 Azimuth: 156.07

Sun: Altitude: 34.84 Azimuth: 257.76

Moon: Altitude: 21.37 Azimuth: 145.36

IAC

Object: Altitude: 77.73 Azimuth: 204.74

Sun: Altitude: -5.77 Azimuth: 277.31

Moon: Altitude: 88.34 Azimuth: 329.99

Argentina

Object: Altitude: 0.05 Azimuth: 221.78

Sun: Altitude: -36.80 Azimuth: 314.23

Moon: Altitude: 12.14 Azimuth: 227.38

Mexico

Object: Altitude: 11.89 Azimuth: 231.06

Sun: Altitude: -67.50 Azimuth: 165.61

Moon: Altitude: 9.73 Azimuth: 244.42

Ural

Object: Altitude: 42.77 Azimuth: 99.14

Sun: Altitude: 22.58 Azimuth: 343.29

Moon: Altitude: 30.25 Azimuth: 93.56

Vostryakovo

Object: Altitude: 54.78 Azimuth: 83.15

Sun: Altitude: 18.36 Azimuth: 320.89

Moon: Altitude: 42.38 Azimuth: 75.81

Gal. latitude: 27.613493 Gal. longitude: 180.738009

Dist. to Sun: 91.995308

Dist. to Moon: 13.296661

Moon coord.: (111.081345 d, 26.862668 d)

Sun coord.: (201.806258 d, -9.152147 d)

Lunar disk: 0.542876

Lunar phase: 85.080686

Lunar bright limb: 97.865187

No SN in this field

2024-10-07 04:16:57 (JD 2460590.678437)

Siderial time 7.877713 h

Ra 07:47:00.96 Dec 39:17:20.40
(116.754000d, 39.289000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: 28.45 Azimuth: 118.36

Sun: Altitude: 32.63 Azimuth: 17.93

Moon: Altitude: 9.99 Azimuth: 331.72

Tunka

Object: Altitude: 43.29 Azimuth: 102.09

Sun: Altitude: 32.09 Azimuth: 349.03

Moon: Altitude: -0.66 Azimuth: 311.70

Kislovodsk

Object: Altitude: 83.50 Azimuth: 48.83

Sun: Altitude: 10.41 Azimuth: 288.17

Moon: Altitude: -35.24 Azimuth: 272.07

Tavrida

Object: Altitude: 84.32 Azimuth: 342.61

Sun: Altitude: 4.28 Azimuth: 282.15

Moon: Altitude: -41.31 Azimuth: 265.24

SAAO

Object: Altitude: 16.92 Azimuth: 192.40

Sun: Altitude: 1.64 Azimuth: 275.53

Moon: Altitude: -19.94 Azimuth: 319.41

IAC

Object: Altitude: 45.48 Azimuth: 241.43

Sun: Altitude: -36.59 Azimuth: 254.75

Moon: Altitude: -84.31 Azimuth: 233.85

Argentina

Object: Altitude: -30.65 Azimuth: 240.09

Sun: Altitude: -52.62 Azimuth: 2.81

Moon: Altitude: -17.27 Azimuth: 44.71

Mexico

Object: Altitude: -13.11 Azimuth: 205.95

Sun: Altitude: -42.51 Azimuth: 113.52

Moon: Altitude: -13.47 Azimuth: 68.88

Ural

Object: Altitude: 66.63 Azimuth: 50.61

Sun: Altitude: 14.24 Azimuth: 305.07

Moon: Altitude: -25.40 Azimuth: 277.06

Vostryakovo

Object: Altitude: 73.87 Azimuth: 4.47

Sun: Altitude: 4.06 Azimuth: 285.87

Moon: Altitude: -37.48 Azimuth: 259.72

Gal. latitude: 27.613493 Gal. longitude: 180.738009

Dist. to Sun: 82.944745

Dist. to Moon: 129.839119

Moon coord.: (238.978876 d, -24.853449 d)

Sun coord.: (192.934016 d, -5.544884 d)

Lunar disk: 0.166948

Lunar phase: 131.767128

Lunar bright limb: 285.793195

No SN in this field

Recent coverage and limits telegrams

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

  ID = 7117
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) started inspect of the MAXI GRB221017.24 (trigger No 869163312,07h 47m 00.96s , +39d 17m 20.4s, R=1) errorbox  11012 sec after notice time and 11250 sec after trigger time at 2022-10-17 08:47:10 UT, with upper limit up to  17.2 mag. Observations started at twilight.  The observations began at zenith distance = 75 deg. The sun  altitude  is -14.6 deg. 

MASTER-Amur robotic telescope  located in Russia (Blagoveshchensk State Pedagogical University) started inspect of the MAXI GRB221017.24 errorbox  36125 sec after notice time and 36362 sec after trigger time at 2022-10-17 15:45:42 UT, with upper limit up to  18.3 mag. The observations began at zenith distance = 59 deg. The sun  altitude  is -48.8 deg. 

The galactic latitude b = 28 deg., longitude l = 181 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2124323

We obtain a following upper limits.  

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

   11341 | 2022-10-17 08:47:10 |         MASTER-OAFA | (07h 45m 27.51s , +39d 22m 35.4s) |   C |   180 | 17.2 |        
   36453 | 2022-10-17 15:45:42 |         MASTER-Amur | (07h 43m 00.23s , +39d 17m 50.9s) |   C |   180 | 17.4 |        
   36652 | 2022-10-17 15:49:02 |         MASTER-Amur | (07h 42m 54.46s , +39d 16m 55.6s) |   C |   180 | 17.9 |        
   36852 | 2022-10-17 15:52:22 |         MASTER-Amur | (07h 42m 54.58s , +39d 17m 47.9s) |   C |   180 | 17.9 |        
   37052 | 2022-10-17 15:55:41 |         MASTER-Amur | (07h 43m 00.74s , +39d 16m 42.0s) |   C |   180 | 17.9 |        
   37253 | 2022-10-17 15:59:03 |         MASTER-Amur | (07h 42m 55.90s , +39d 15m 36.5s) |   C |   180 | 18.0 |        
   37479 | 2022-10-17 16:02:48 |         MASTER-Amur | (07h 43m 01.06s , +39d 15m 30.7s) |   C |   180 | 17.9 |        
   38078 | 2022-10-17 16:12:47 |         MASTER-Amur | (07h 43m 00.40s , +39d 17m 08.8s) |   C |   180 | 17.5 |        
   42094 | 2022-10-17 17:19:44 |         MASTER-Amur | (07h 42m 59.90s , +39d 13m 58.4s) |   C |   180 | 17.5 |        
   42294 | 2022-10-17 17:23:03 |         MASTER-Amur | (07h 43m 04.07s , +39d 14m 10.5s) |   C |   180 | 17.9 |        
   42493 | 2022-10-17 17:26:23 |         MASTER-Amur | (07h 43m 02.14s , +39d 15m 39.3s) |   C |   180 | 18.1 |        
   42693 | 2022-10-17 17:29:42 |         MASTER-Amur | (07h 43m 02.37s , +39d 13m 45.6s) |   C |   180 | 18.1 |        
   42892 | 2022-10-17 17:33:02 |         MASTER-Amur | (07h 43m 05.46s , +39d 15m 10.4s) |   C |   180 | 18.1 |        
   43092 | 2022-10-17 17:36:21 |         MASTER-Amur | (07h 42m 59.62s , +39d 14m 29.8s) |   C |   180 | 18.1 |        
   43292 | 2022-10-17 17:39:42 |         MASTER-Amur | (07h 42m 58.72s , +39d 15m 26.8s) |   C |   180 | 18.1 |        
   43509 | 2022-10-17 17:43:19 |         MASTER-Amur | (07h 43m 04.97s , +39d 14m 22.9s) |   C |   180 | 18.2 |        
   43709 | 2022-10-17 17:46:39 |         MASTER-Amur | (07h 43m 00.19s , +39d 13m 19.4s) |   C |   180 | 18.1 |        
   43911 | 2022-10-17 17:50:01 |         MASTER-Amur | (07h 43m 06.37s , +39d 13m 43.1s) |   C |   180 | 18.2 |        
   44119 | 2022-10-17 17:53:28 |         MASTER-Amur | (07h 43m 03.60s , +39d 14m 53.2s) |   C |   180 | 18.2 |        
   44318 | 2022-10-17 17:56:48 |         MASTER-Amur | (07h 43m 03.91s , +39d 13m 14.1s) |   C |   180 | 18.2 |        
   44518 | 2022-10-17 18:00:07 |         MASTER-Amur | (07h 43m 08.06s , +39d 15m 04.2s) |   C |   180 | 18.1 |        
   44717 | 2022-10-17 18:03:27 |         MASTER-Amur | (07h 43m 00.27s , +39d 14m 04.9s) |   C |   180 | 18.2 |        
   44917 | 2022-10-17 18:06:46 |         MASTER-Amur | (07h 43m 00.43s , +39d 15m 02.2s) |   C |   180 | 18.3 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 7115
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) started inspect of the MAXI GRB221017.24 (trigger No 869163312,07h 47m 00.96s , +39d 17m 20.4s, R=1) errorbox  11012 sec after notice time and 11250 sec after trigger time at 2022-10-17 08:47:10 UT, with upper limit up to  17.2 mag. Observations started at twilight.  The observations began at zenith distance = 75 deg. The sun  altitude  is -14.6 deg. 

MASTER-Amur robotic telescope  located in Russia (Blagoveshchensk State Pedagogical University) started inspect of the MAXI GRB221017.24 errorbox  36125 sec after notice time and 36362 sec after trigger time at 2022-10-17 15:45:42 UT, with upper limit up to  18.1 mag. The observations began at zenith distance = 59 deg. The sun  altitude  is -48.8 deg. 

The galactic latitude b = 28 deg., longitude l = 181 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2124323

We obtain a following upper limits.  

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

   11341 | 2022-10-17 08:47:10 |         MASTER-OAFA | (07h 45m 27.51s , +39d 22m 35.4s) |   C |   180 | 17.2 |        
   36453 | 2022-10-17 15:45:42 |         MASTER-Amur | (07h 43m 00.23s , +39d 17m 50.9s) |   C |   180 | 17.4 |        
   36652 | 2022-10-17 15:49:02 |         MASTER-Amur | (07h 42m 54.46s , +39d 16m 55.6s) |   C |   180 | 17.9 |        
   36852 | 2022-10-17 15:52:22 |         MASTER-Amur | (07h 42m 54.58s , +39d 17m 47.9s) |   C |   180 | 17.9 |        
   37052 | 2022-10-17 15:55:41 |         MASTER-Amur | (07h 43m 00.74s , +39d 16m 42.0s) |   C |   180 | 17.9 |        
   37253 | 2022-10-17 15:59:03 |         MASTER-Amur | (07h 42m 55.90s , +39d 15m 36.5s) |   C |   180 | 18.0 |        
   37479 | 2022-10-17 16:02:48 |         MASTER-Amur | (07h 43m 01.06s , +39d 15m 30.7s) |   C |   180 | 17.9 |        
   38078 | 2022-10-17 16:12:47 |         MASTER-Amur | (07h 43m 00.40s , +39d 17m 08.8s) |   C |   180 | 17.5 |        
   42094 | 2022-10-17 17:19:44 |         MASTER-Amur | (07h 42m 59.90s , +39d 13m 58.4s) |   C |   180 | 17.5 |        
   42294 | 2022-10-17 17:23:03 |         MASTER-Amur | (07h 43m 04.07s , +39d 14m 10.5s) |   C |   180 | 17.9 |        
   42493 | 2022-10-17 17:26:23 |         MASTER-Amur | (07h 43m 02.14s , +39d 15m 39.3s) |   C |   180 | 18.1 |        
   42693 | 2022-10-17 17:29:42 |         MASTER-Amur | (07h 43m 02.37s , +39d 13m 45.6s) |   C |   180 | 18.1 |        
   42892 | 2022-10-17 17:33:02 |         MASTER-Amur | (07h 43m 05.46s , +39d 15m 10.4s) |   C |   180 | 18.1 |        
   43092 | 2022-10-17 17:36:21 |         MASTER-Amur | (07h 42m 59.62s , +39d 14m 29.8s) |   C |   180 | 18.1 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 7113
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) started inspect of the MAXI GRB221017.24 (trigger No 869163312,07h 47m 00.96s , +39d 17m 20.4s, R=1) errorbox  11012 sec after notice time and 11250 sec after trigger time at 2022-10-17 08:47:10 UT, with upper limit up to  17.2 mag. Observations started at twilight.  The observations began at zenith distance = 75 deg. The sun  altitude  is -14.6 deg. 

The galactic latitude b = 28 deg., longitude l = 181 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2124323

We obtain a following upper limits.  

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

   11341 | 2022-10-17 08:47:10 |         MASTER-OAFA | (07h 45m 27.51s , +39d 22m 35.4s) |   C |   180 | 17.2 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 7112
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) started inspect of the MAXI GRB221017.24 (trigger No 869163312,07h 47m 00.96s , +39d 17m 20.4s, R=1) errorbox  11012 sec after notice time and 11250 sec after trigger time at 2022-10-17 08:47:10 UT, with upper limit up to  17.2 mag. Observations started at twilight.  The observations began at zenith distance = 75 deg. The sun  altitude  is -14.6 deg. 

The galactic latitude b = 28 deg., longitude l = 181 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2124323

We obtain a following upper limits.  

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

   11341 | 2022-10-17 08:47:10 |         MASTER-OAFA | (07h 45m 27.51s , +39d 22m 35.4s) |   C |   180 | 17.2 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 7111
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) started inspect of the MAXI GRB221017.24 (trigger No 869163312,07h 47m 00.96s , +39d 17m 20.4s, R=1) errorbox  11012 sec after notice time and 11250 sec after trigger time at 2022-10-17 08:47:10 UT, with upper limit up to  17.2 mag. Observations started at twilight.  The observations began at zenith distance = 75 deg. The sun  altitude  is -14.6 deg. 

The galactic latitude b = 28 deg., longitude l = 181 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2124323

We obtain a following upper limits.  

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

   11341 | 2022-10-17 08:47:10 |         MASTER-OAFA | (07h 45m 27.51s , +39d 22m 35.4s) |   C |   180 | 17.2 |        
Filter C is a clear (unfiltred) band. 


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



 

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