MASTER Net MASTER Database: GRB230915.24 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 FERMI GRB230915.24
Trignum 716449174
Trigger time 2023-09-15 05:39:29.46
Notice time 2023-09-15 05:39:42.157159
Coord, eb (00h 28m 19.92s , -48d 49m 01.2s) , 28.88
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You are viewing outdated information, relevant error box is here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
2270697 2023-09-15 07:32:52.696103 01h 28m 26.40s -45d 58m 12.0s FERMI 3.42 alert 716449174 7 115 alert
2270599 2023-09-15 05:40:02.519911 02h 00m 16.08s -53d 51m 00.0s FERMI 9.13 alert 716449174 31 111 alert

DAYS:

MASTER optical transients in this field
MASTER OT (J2000.0) –°oordinates Datetime Published Mag Site Image
J204142.40-441820.7 (20h 41m 42.40s , -44d 18m 20.7s) 2023-09-20 05:28:58.08 AT2023tfn on 2023-09-21 00:00:22.645394 12.8433 OAFA Transient on OAFA
J221040.71-502652.3 (22h 10m 40.82s , -50d 26m 52.6s) 2023-09-21 02:24:35.424 AT2023tgy on 2023-09-22 00:01:35.388426 OAFA Transient on OAFA
J221627.63-202725.6 (22h 16m 27.63s , -20d 27m 25.6s) 2023-09-22 02:06:52.704 AT2023tju on 2023-09-23 00:00:50.11916 16.102 OAFA Transient on OAFA

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

2023-09-15 05:39:29 (JD 2460202.735752)

Siderial time 7.761623 h

Ra 00:28:19.92 Dec -48:49:01.20
( 7.083000d, -48.817000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: -77.49 Azimuth: 270.53

Sun: Altitude: 34.98 Azimuth: 42.69

Moon: Altitude: 37.73 Azimuth: 40.54

Tunka

Object: Altitude: -85.53 Azimuth: 129.94

Sun: Altitude: 40.81 Azimuth: 12.43

Moon: Altitude: 42.87 Azimuth: 9.06

Kislovodsk

Object: Altitude: -45.70 Azimuth: 59.28

Sun: Altitude: 29.44 Azimuth: 296.76

Moon: Altitude: 28.97 Azimuth: 293.08

Tavrida

Object: Altitude: -41.04 Azimuth: 57.17

Sun: Altitude: 23.46 Azimuth: 290.06

Moon: Altitude: 22.91 Azimuth: 286.58

SAAO

Object: Altitude: 22.24 Azimuth: 45.29

Sun: Altitude: 12.60 Azimuth: 257.85

Moon: Altitude: 9.35 Azimuth: 257.93

IAC

Object: Altitude: -1.49 Azimuth: 32.75

Sun: Altitude: -16.05 Azimuth: 257.18

Moon: Altitude: -17.48 Azimuth: 254.14

Argentina

Object: Altitude: 72.89 Azimuth: 5.37

Sun: Altitude: -57.28 Azimuth: 327.32

Moon: Altitude: -60.06 Azimuth: 330.56

Mexico

Object: Altitude: 3.00 Azimuth: 335.67

Sun: Altitude: -48.75 Azimuth: 141.88

Moon: Altitude: -45.79 Azimuth: 139.90

Ural

Object: Altitude: -60.20 Azimuth: 84.79

Sun: Altitude: 29.81 Azimuth: 319.78

Moon: Altitude: 30.45 Azimuth: 316.10

Vostryakovo

Object: Altitude: -48.11 Azimuth: 68.35

Sun: Altitude: 21.40 Azimuth: 297.43

Moon: Altitude: 21.51 Azimuth: 293.94

Gal. latitude: -68.213294 Gal. longitude: 312.193824

Dist. to Sun: 132.750708

Dist. to Moon: 135.038210

Moon coord.: (175.220615 d, 5.002640 d)

Sun coord.: (172.481765 d, 3.247347 d)

Lunar disk: 0.000806

Lunar phase: 176.747167

Lunar bright limb: 237.381887

No SN in this field

2023-09-15 05:39:42 (JD 2460202.735903)

Siderial time 7.765244 h

Ra 00:28:19.92 Dec -48:49:01.20
( 7.083000d, -48.817000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: -77.45 Azimuth: 270.57

Sun: Altitude: 34.96 Azimuth: 42.75

Moon: Altitude: 37.71 Azimuth: 40.60

Tunka

Object: Altitude: -85.55 Azimuth: 130.26

Sun: Altitude: 40.80 Azimuth: 12.50

Moon: Altitude: 42.86 Azimuth: 9.13

Kislovodsk

Object: Altitude: -45.74 Azimuth: 59.30

Sun: Altitude: 29.48 Azimuth: 296.81

Moon: Altitude: 29.01 Azimuth: 293.13

Tavrida

Object: Altitude: -41.07 Azimuth: 57.19

Sun: Altitude: 23.50 Azimuth: 290.11

Moon: Altitude: 22.94 Azimuth: 286.62

SAAO

Object: Altitude: 22.21 Azimuth: 45.27

Sun: Altitude: 12.64 Azimuth: 257.82

Moon: Altitude: 9.39 Azimuth: 257.90

IAC

Object: Altitude: -1.52 Azimuth: 32.77

Sun: Altitude: -16.00 Azimuth: 257.21

Moon: Altitude: -17.43 Azimuth: 254.17

Argentina

Object: Altitude: 72.89 Azimuth: 5.49

Sun: Altitude: -57.25 Azimuth: 327.23

Moon: Altitude: -60.03 Azimuth: 330.46

Mexico

Object: Altitude: 3.02 Azimuth: 335.70

Sun: Altitude: -48.77 Azimuth: 141.95

Moon: Altitude: -45.82 Azimuth: 139.96

Ural

Object: Altitude: -60.23 Azimuth: 84.83

Sun: Altitude: 29.83 Azimuth: 319.84

Moon: Altitude: 30.47 Azimuth: 316.16

Vostryakovo

Object: Altitude: -48.14 Azimuth: 68.38

Sun: Altitude: 21.43 Azimuth: 297.48

Moon: Altitude: 21.53 Azimuth: 293.99

Gal. latitude: -68.213294 Gal. longitude: 312.193824

Dist. to Sun: 132.750682

Dist. to Moon: 135.037690

Moon coord.: (175.222215 d, 5.001798 d)

Sun coord.: (172.481900 d, 3.247289 d)

Lunar disk: 0.000806

Lunar phase: 176.746360

Lunar bright limb: 237.407516

No SN in this field

2023-09-15 06:39:42 (JD 2460202.777569)

Siderial time 8.767981 h

Ra 00:28:19.92 Dec -48:49:01.20
( 7.083000d, -48.817000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: -67.90 Azimuth: 279.47

Sun: Altitude: 27.56 Azimuth: 58.02

Moon: Altitude: 30.55 Azimuth: 55.94

Tunka

Object: Altitude: -83.02 Azimuth: 248.50

Sun: Altitude: 37.32 Azimuth: 31.30

Moon: Altitude: 39.75 Azimuth: 28.09

Kislovodsk

Object: Altitude: -55.28 Azimuth: 63.40

Sun: Altitude: 38.45 Azimuth: 311.32

Moon: Altitude: 37.96 Azimuth: 306.92

Tavrida

Object: Altitude: -50.30 Azimuth: 62.28

Sun: Altitude: 33.00 Azimuth: 303.29

Moon: Altitude: 32.31 Azimuth: 299.22

SAAO

Object: Altitude: 13.57 Azimuth: 40.21

Sun: Altitude: 24.77 Azimuth: 248.52

Moon: Altitude: 21.35 Azimuth: 249.29

IAC

Object: Altitude: -9.29 Azimuth: 38.92

Sun: Altitude: -2.97 Azimuth: 264.72

Moon: Altitude: -4.98 Azimuth: 261.85

Argentina

Object: Altitude: 68.49 Azimuth: 32.67

Sun: Altitude: -48.49 Azimuth: 306.91

Moon: Altitude: -51.74 Azimuth: 308.92

Mexico

Object: Altitude: 7.40 Azimuth: 344.61

Sun: Altitude: -54.66 Azimuth: 164.33

Moon: Altitude: -52.35 Azimuth: 159.92

Ural

Object: Altitude: -68.39 Azimuth: 97.87

Sun: Altitude: 34.10 Azimuth: 336.79

Moon: Altitude: 34.87 Azimuth: 332.65

Vostryakovo

Object: Altitude: -56.30 Azimuth: 77.55

Sun: Altitude: 28.41 Azimuth: 312.11

Moon: Altitude: 28.42 Azimuth: 308.14

Gal. latitude: -68.213294 Gal. longitude: 312.193824

Dist. to Sun: 132.743502

Dist. to Moon: 134.891526

Moon coord.: (175.665353 d, 4.768587 d)

Sun coord.: (172.519273 d, 3.231272 d)

Lunar disk: 0.000933

Lunar phase: 176.499571

Lunar bright limb: 244.018958

No SN in this field

2024-07-12 23:15:17 (JD 2460504.468947)

Siderial time 21.185125 h

Ra 00:28:19.92 Dec -48:49:01.20
( 7.083000d, -48.817000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: -15.06 Azimuth: 26.32

Sun: Altitude: 32.61 Azimuth: 274.54

Moon: Altitude: -33.56 Azimuth: 228.07

Tunka

Object: Altitude: -11.56 Azimuth: 10.77

Sun: Altitude: 17.49 Azimuth: 256.67

Moon: Altitude: -40.80 Azimuth: 198.60

Kislovodsk

Object: Altitude: -10.40 Azimuth: 332.07

Sun: Altitude: -18.78 Azimuth: 209.60

Moon: Altitude: -32.96 Azimuth: 120.35

Tavrida

Object: Altitude: -14.33 Azimuth: 327.17

Sun: Altitude: -20.52 Azimuth: 201.54

Moon: Altitude: -27.08 Azimuth: 113.33

SAAO

Object: Altitude: 38.92 Azimuth: 309.30

Sun: Altitude: -77.02 Azimuth: 322.13

Moon: Altitude: -15.95 Azimuth: 74.49

IAC

Object: Altitude: -29.44 Azimuth: 312.66

Sun: Altitude: -32.68 Azimuth: 147.94

Moon: Altitude: 11.69 Azimuth: 78.90

Argentina

Object: Altitude: -6.64 Azimuth: 344.52

Sun: Altitude: -18.14 Azimuth: 104.93

Moon: Altitude: 55.59 Azimuth: 139.44

Mexico

Object: Altitude: -67.94 Azimuth: 31.44

Sun: Altitude: 38.39 Azimuth: 94.42

Moon: Altitude: 50.34 Azimuth: 328.65

Ural

Object: Altitude: -18.26 Azimuth: 341.40

Sun: Altitude: -1.75 Azimuth: 223.01

Moon: Altitude: -32.07 Azimuth: 144.55

Vostryakovo

Object: Altitude: -21.99 Azimuth: 327.53

Sun: Altitude: -9.76 Azimuth: 203.96

Moon: Altitude: -24.35 Azimuth: 121.36

Gal. latitude: -68.213294 Gal. longitude: 312.193824

Dist. to Sun: 116.217842

Dist. to Moon: 127.140663

Moon coord.: (189.216958 d, -4.009588 d)

Sun coord.: (112.427197 d, 21.846038 d)

Lunar disk: 0.408508

Lunar phase: 100.543632

Lunar bright limb: 293.134869

No SN in this field

Recent coverage and limits telegrams

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

  ID = 8918
TYPE = 35
DAYS = 2


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 FERMI GRB230915.24 (trigger No 716449174,01h 28m 26.40s , -45d 58m 12.0s, R=3.42) errorbox  6801 sec after notice time and 6814 sec after trigger time at 2023-09-15 07:33:03 UT, with upper limit up to  20.0 mag. The observations began at zenith distance = 20 deg. The sun  altitude  is -38.8 deg. 

The galactic latitude b = -70 deg., longitude l = 283 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2270692

We obtain a following upper limits.  

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

    6904 | 2023-09-15 07:33:03 |         MASTER-OAFA | (01h 27m 13.80s , -46d 01m 27.7s) |   C |   180 | 19.5 |        
    7084 | 2023-09-15 07:33:03 |         MASTER-OAFA | (01h 27m 13.80s , -46d 01m 27.7s) |   C |   540 | 20.0 |  Coadd 
    7115 | 2023-09-15 07:36:34 |         MASTER-OAFA | (01h 27m 10.61s , -46d 00m 00.8s) |   C |   180 | 19.6 |        
    7314 | 2023-09-15 07:39:53 |         MASTER-OAFA | (01h 27m 10.58s , -46d 01m 36.8s) |   C |   180 | 19.6 |        
    7514 | 2023-09-15 07:43:13 |         MASTER-OAFA | (01h 27m 12.79s , -46d 00m 20.6s) |   C |   180 | 19.6 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 8893
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 FERMI GRB230915.24 (trigger No 716449174,01h 28m 26.40s , -45d 58m 12.0s, R=3.42) errorbox  6801 sec after notice time and 6814 sec after trigger time at 2023-09-15 07:33:03 UT, with upper limit up to  20.0 mag. The observations began at zenith distance = 20 deg. The sun  altitude  is -38.8 deg. 

The galactic latitude b = -70 deg., longitude l = 283 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2270697

We obtain a following upper limits.  

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

    6904 | 2023-09-15 07:33:03 |         MASTER-OAFA | (01h 27m 13.80s , -46d 01m 27.7s) |   C |   180 | 19.5 |        
    7084 | 2023-09-15 07:33:03 |         MASTER-OAFA | (01h 27m 13.80s , -46d 01m 27.7s) |   C |   540 | 20.0 |  Coadd 
    7115 | 2023-09-15 07:36:34 |         MASTER-OAFA | (01h 27m 10.61s , -46d 00m 00.8s) |   C |   180 | 19.6 |        
    7314 | 2023-09-15 07:39:53 |         MASTER-OAFA | (01h 27m 10.58s , -46d 01m 36.8s) |   C |   180 | 19.6 |        
    7514 | 2023-09-15 07:43:13 |         MASTER-OAFA | (01h 27m 12.79s , -46d 00m 20.6s) |   C |   180 | 19.6 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 8872
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 FERMI GRB230915.24 (trigger No 716449174,00h 28m 19.92s , -48d 49m 01.2s, R=28.88) errorbox  10 sec after notice time and 23 sec after trigger time at 2023-09-15 05:39:52 UT, with upper limit up to  19.2 mag. The observations began at zenith distance = 20 deg. The sun  altitude  is -57.7 deg. 

The galactic latitude b = -68 deg., longitude l = 312 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2270584

We obtain a following upper limits.  

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

      53 | 2023-09-15 05:39:52 |         MASTER-OAFA | (00h 16m 01.88s , -50d 08m 09.1s) |   C |    60 | 19.0 |        
     133 | 2023-09-15 05:41:12 |         MASTER-OAFA | (00h 28m 31.97s , -50d 09m 39.4s) |   C |    60 | 19.2 |        
     213 | 2023-09-15 05:42:32 |         MASTER-OAFA | (00h 39m 43.26s , -50d 08m 35.6s) |   C |    60 | 19.2 |        
     292 | 2023-09-15 05:43:51 |         MASTER-OAFA | (01h 21m 01.89s , -59d 37m 59.6s) |   C |    60 | 18.6 |        
     372 | 2023-09-15 05:45:11 |         MASTER-OAFA | (00h 52m 14.52s , -50d 09m 31.0s) |   C |    60 | 18.9 |        
     451 | 2023-09-15 05:46:30 |         MASTER-OAFA | (01h 36m 53.70s , -59d 38m 27.6s) |   C |    60 | 18.7 |        
     531 | 2023-09-15 05:47:50 |         MASTER-OAFA | (01h 25m 59.80s , -61d 32m 31.0s) |   C |    60 | 18.5 |        
     611 | 2023-09-15 05:49:10 |         MASTER-OAFA | (00h 38m 16.17s , -48d 14m 09.2s) |   C |    60 | 19.2 |        
     690 | 2023-09-15 05:50:29 |         MASTER-OAFA | (01h 42m 46.63s , -61d 31m 41.5s) |   C |    60 | 18.6 |        
     770 | 2023-09-15 05:51:49 |         MASTER-OAFA | (00h 45m 40.45s , -55d 50m 34.9s) |   C |    60 | 18.6 |        
     850 | 2023-09-15 05:53:09 |         MASTER-OAFA | (00h 50m 12.80s , -48d 15m 39.3s) |   C |    60 | 18.9 |        
     929 | 2023-09-15 05:54:28 |         MASTER-OAFA | (00h 16m 04.91s , -50d 09m 37.6s) |   C |    60 | 18.9 |        
    1009 | 2023-09-15 05:55:48 |         MASTER-OAFA | (00h 28m 32.00s , -50d 08m 03.1s) |   C |    60 | 19.2 |        
    1089 | 2023-09-15 05:57:08 |         MASTER-OAFA | (00h 59m 54.01s , -55d 51m 04.7s) |   C |    60 | 18.6 |        
    1168 | 2023-09-15 05:58:27 |         MASTER-OAFA | (00h 39m 50.80s , -50d 08m 12.4s) |   C |    60 | 19.1 |        
    1247 | 2023-09-15 05:59:46 |         MASTER-OAFA | (01h 20m 56.39s , -59d 38m 06.9s) |   C |    60 | 18.6 |        
    1327 | 2023-09-15 06:01:06 |         MASTER-OAFA | (00h 52m 13.69s , -50d 07m 38.0s) |   C |    60 | 19.0 |        
    1407 | 2023-09-15 06:02:26 |         MASTER-OAFA | (01h 36m 55.05s , -59d 37m 52.1s) |   C |    60 | 18.6 |        
    1486 | 2023-09-15 06:03:45 |         MASTER-OAFA | (01h 25m 58.24s , -61d 33m 01.5s) |   C |    60 | 18.5 |        
    1566 | 2023-09-15 06:05:05 |         MASTER-OAFA | (01h 42m 52.77s , -61d 32m 33.6s) |   C |    60 | 18.6 |        
    1645 | 2023-09-15 06:06:24 |         MASTER-OAFA | (00h 45m 38.47s , -55d 49m 50.9s) |   C |    60 | 18.7 |        
    1725 | 2023-09-15 06:07:44 |         MASTER-OAFA | (00h 59m 54.69s , -55d 51m 20.1s) |   C |    60 | 18.6 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 8871
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 FERMI GRB230915.24 (trigger No 716449174,00h 28m 19.92s , -48d 49m 01.2s, R=28.88) errorbox  10 sec after notice time and 23 sec after trigger time at 2023-09-15 05:39:52 UT, with upper limit up to  19.2 mag. The observations began at zenith distance = 20 deg. The sun  altitude  is -57.7 deg. 

The galactic latitude b = -68 deg., longitude l = 312 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2270584

We obtain a following upper limits.  

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

      53 | 2023-09-15 05:39:52 |         MASTER-OAFA | (00h 16m 01.88s , -50d 08m 09.1s) |   C |    60 | 19.0 |        
     133 | 2023-09-15 05:41:12 |         MASTER-OAFA | (00h 28m 31.97s , -50d 09m 39.4s) |   C |    60 | 19.2 |        
     213 | 2023-09-15 05:42:32 |         MASTER-OAFA | (00h 39m 43.26s , -50d 08m 35.6s) |   C |    60 | 19.2 |        
     292 | 2023-09-15 05:43:51 |         MASTER-OAFA | (01h 21m 01.89s , -59d 37m 59.6s) |   C |    60 | 18.6 |        
     372 | 2023-09-15 05:45:11 |         MASTER-OAFA | (00h 52m 14.52s , -50d 09m 31.0s) |   C |    60 | 18.9 |        
     451 | 2023-09-15 05:46:30 |         MASTER-OAFA | (01h 36m 53.70s , -59d 38m 27.6s) |   C |    60 | 18.7 |        
     531 | 2023-09-15 05:47:50 |         MASTER-OAFA | (01h 25m 59.80s , -61d 32m 31.0s) |   C |    60 | 18.5 |        
     611 | 2023-09-15 05:49:10 |         MASTER-OAFA | (00h 38m 16.17s , -48d 14m 09.2s) |   C |    60 | 19.2 |        
     690 | 2023-09-15 05:50:29 |         MASTER-OAFA | (01h 42m 46.63s , -61d 31m 41.5s) |   C |    60 | 18.6 |        
     770 | 2023-09-15 05:51:49 |         MASTER-OAFA | (00h 45m 40.45s , -55d 50m 34.9s) |   C |    60 | 18.6 |        
     850 | 2023-09-15 05:53:09 |         MASTER-OAFA | (00h 50m 12.80s , -48d 15m 39.3s) |   C |    60 | 18.9 |        
     929 | 2023-09-15 05:54:28 |         MASTER-OAFA | (00h 16m 04.91s , -50d 09m 37.6s) |   C |    60 | 18.9 |        
    1009 | 2023-09-15 05:55:48 |         MASTER-OAFA | (00h 28m 32.00s , -50d 08m 03.1s) |   C |    60 | 19.2 |        
    1089 | 2023-09-15 05:57:08 |         MASTER-OAFA | (00h 59m 54.01s , -55d 51m 04.7s) |   C |    60 | 18.6 |        
    1168 | 2023-09-15 05:58:27 |         MASTER-OAFA | (00h 39m 50.80s , -50d 08m 12.4s) |   C |    60 | 19.1 |        
    1247 | 2023-09-15 05:59:46 |         MASTER-OAFA | (01h 20m 56.39s , -59d 38m 06.9s) |   C |    60 | 18.6 |        
    1327 | 2023-09-15 06:01:06 |         MASTER-OAFA | (00h 52m 13.69s , -50d 07m 38.0s) |   C |    60 | 19.0 |        
    1407 | 2023-09-15 06:02:26 |         MASTER-OAFA | (01h 36m 55.05s , -59d 37m 52.1s) |   C |    60 | 18.6 |        
    1486 | 2023-09-15 06:03:45 |         MASTER-OAFA | (01h 25m 58.24s , -61d 33m 01.5s) |   C |    60 | 18.5 |        
    1566 | 2023-09-15 06:05:05 |         MASTER-OAFA | (01h 42m 52.77s , -61d 32m 33.6s) |   C |    60 | 18.6 |        
    1645 | 2023-09-15 06:06:24 |         MASTER-OAFA | (00h 45m 38.47s , -55d 49m 50.9s) |   C |    60 | 18.7 |        
    1725 | 2023-09-15 06:07:44 |         MASTER-OAFA | (00h 59m 54.69s , -55d 51m 20.1s) |   C |    60 | 18.6 |        
Filter C is a clear (unfiltred) band. 


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



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  ID = 8870
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 FERMI GRB230915.24 (trigger No 716449174,00h 28m 19.92s , -48d 49m 01.2s, R=28.88) errorbox  10 sec after notice time and 23 sec after trigger time at 2023-09-15 05:39:52 UT, with upper limit up to  19.2 mag. The observations began at zenith distance = 20 deg. The sun  altitude  is -57.7 deg. 

The galactic latitude b = -68 deg., longitude l = 312 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2270584

We obtain a following upper limits.  

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

      53 | 2023-09-15 05:39:52 |         MASTER-OAFA | (00h 16m 01.88s , -50d 08m 09.1s) |   C |    60 | 19.0 |        
     133 | 2023-09-15 05:41:12 |         MASTER-OAFA | (00h 28m 31.97s , -50d 09m 39.4s) |   C |    60 | 19.2 |        
     213 | 2023-09-15 05:42:32 |         MASTER-OAFA | (00h 39m 43.26s , -50d 08m 35.6s) |   C |    60 | 19.2 |        
     292 | 2023-09-15 05:43:51 |         MASTER-OAFA | (01h 21m 01.89s , -59d 37m 59.6s) |   C |    60 | 18.6 |        
     372 | 2023-09-15 05:45:11 |         MASTER-OAFA | (00h 52m 14.52s , -50d 09m 31.0s) |   C |    60 | 18.9 |        
     451 | 2023-09-15 05:46:30 |         MASTER-OAFA | (01h 36m 53.70s , -59d 38m 27.6s) |   C |    60 | 18.7 |        
     531 | 2023-09-15 05:47:50 |         MASTER-OAFA | (01h 25m 59.80s , -61d 32m 31.0s) |   C |    60 | 18.5 |        
     611 | 2023-09-15 05:49:10 |         MASTER-OAFA | (00h 38m 16.17s , -48d 14m 09.2s) |   C |    60 | 19.2 |        
     690 | 2023-09-15 05:50:29 |         MASTER-OAFA | (01h 42m 46.63s , -61d 31m 41.5s) |   C |    60 | 18.6 |        
     770 | 2023-09-15 05:51:49 |         MASTER-OAFA | (00h 45m 40.45s , -55d 50m 34.9s) |   C |    60 | 18.6 |        
     850 | 2023-09-15 05:53:09 |         MASTER-OAFA | (00h 50m 12.80s , -48d 15m 39.3s) |   C |    60 | 18.9 |        
     929 | 2023-09-15 05:54:28 |         MASTER-OAFA | (00h 16m 04.91s , -50d 09m 37.6s) |   C |    60 | 18.9 |        
    1009 | 2023-09-15 05:55:48 |         MASTER-OAFA | (00h 28m 32.00s , -50d 08m 03.1s) |   C |    60 | 19.2 |        
    1089 | 2023-09-15 05:57:08 |         MASTER-OAFA | (00h 59m 54.01s , -55d 51m 04.7s) |   C |    60 | 18.6 |        
    1168 | 2023-09-15 05:58:27 |         MASTER-OAFA | (00h 39m 50.80s , -50d 08m 12.4s) |   C |    60 | 19.1 |        
    1247 | 2023-09-15 05:59:46 |         MASTER-OAFA | (01h 20m 56.39s , -59d 38m 06.9s) |   C |    60 | 18.6 |        
    1327 | 2023-09-15 06:01:06 |         MASTER-OAFA | (00h 52m 13.69s , -50d 07m 38.0s) |   C |    60 | 19.0 |        
    1407 | 2023-09-15 06:02:26 |         MASTER-OAFA | (01h 36m 55.05s , -59d 37m 52.1s) |   C |    60 | 18.6 |        
    1486 | 2023-09-15 06:03:45 |         MASTER-OAFA | (01h 25m 58.24s , -61d 33m 01.5s) |   C |    60 | 18.5 |        
    1566 | 2023-09-15 06:05:05 |         MASTER-OAFA | (01h 42m 52.77s , -61d 32m 33.6s) |   C |    60 | 18.6 |        
    1645 | 2023-09-15 06:06:24 |         MASTER-OAFA | (00h 45m 38.47s , -55d 49m 50.9s) |   C |    60 | 18.7 |        
    1725 | 2023-09-15 06:07:44 |         MASTER-OAFA | (00h 59m 54.69s , -55d 51m 20.1s) |   C |    60 | 18.6 |        
Filter C is a clear (unfiltred) band. 


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



 

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