MASTER Net MASTER Database: GRB240904.73 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 GRB240904.73
Trignum 747163821
Trigger time 2024-09-04 17:30:16.37
Notice time 2024-09-04 17:32:19.870425
Coord, eb (14h 22m 33.60s , -63d 52m 12.0s) , 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)

All alerts for this trigger
id noticetime coord2000 satel errorbox type trigger seq trig_type links
2589382 2024-09-04 17:32:19.870425 14h 22m 33.60s -63d 52m 12.0s FERMI 1 alert 747163821 7 112 alert
2589374 2024-09-04 17:31:58.0049 14h 47m 36.00s -66d 01m 58.8s FERMI 5.38 alert 747163821 92 111 alert

DAYS:

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

Synchronous WFC images
Distance datetime coord2000 observatory camera links
111.0 2024-09-04 17:29:06.682 00h 00m 00.00s +00d 00m 00.0s Amur 29009 Database Amur
43.8 2024-09-04 17:27:20.396 20h 18m 28.00s -53d 00m 56.0s SAAO 111341 Database SAAO
111.0 2024-09-04 17:29:40.601 00h 00m 00.00s +00d 00m 00.0s Amur 136957 Database Amur
Errorbox center visibility at MASTER facilities
trigger notice notice+1hr now

2024-09-04 17:30:16 (JD 2460558.229352)

Siderial time 18.967434 h

Ra 14:22:33.60 Dec -63:52:12.00
(215.640000d, -63.870000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: -72.37 Azimuth: 31.82

Sun: Altitude: -26.89 Azimuth: 214.59

Moon: Altitude: -37.92 Azimuth: 197.72

Tunka

Object: Altitude: -63.62 Azimuth: 45.17

Sun: Altitude: -31.01 Azimuth: 187.25

Moon: Altitude: -37.05 Azimuth: 166.77

Kislovodsk

Object: Altitude: -32.13 Azimuth: 29.96

Sun: Altitude: -19.58 Azimuth: 121.19

Moon: Altitude: -13.28 Azimuth: 103.62

Tavrida

Object: Altitude: -30.06 Azimuth: 27.53

Sun: Altitude: -13.73 Azimuth: 114.65

Moon: Altitude: -7.11 Azimuth: 97.65

SAAO

Object: Altitude: 45.19 Azimuth: 29.53

Sun: Altitude: -15.51 Azimuth: 88.42

Moon: Altitude: 2.14 Azimuth: 91.82

IAC

Object: Altitude: -2.90 Azimuth: 6.44

Sun: Altitude: 23.79 Azimuth: 84.99

Moon: Altitude: 34.78 Azimuth: 68.62

Argentina

Object: Altitude: 50.15 Azimuth: 334.92

Sun: Altitude: 49.06 Azimuth: 158.72

Moon: Altitude: 57.69 Azimuth: 185.47

Mexico

Object: Altitude: -23.08 Azimuth: 331.96

Sun: Altitude: 54.95 Azimuth: 307.80

Moon: Altitude: 38.32 Azimuth: 297.75

Ural

Object: Altitude: -49.16 Azimuth: 42.33

Sun: Altitude: -19.18 Azimuth: 140.47

Moon: Altitude: -18.28 Azimuth: 121.51

Vostryakovo

Object: Altitude: -40.50 Azimuth: 32.75

Sun: Altitude: -11.01 Azimuth: 119.90

Moon: Altitude: -7.70 Azimuth: 102.00

Gal. latitude: -3.112398 Gal. longitude: 313.084207

Dist. to Sun: 80.727990

Dist. to Moon: 69.270552

Moon coord.: (180.486495 d, 0.390581 d)

Sun coord.: (163.706869 d, 6.937266 d)

Lunar disk: 0.024513

Lunar phase: 161.984607

Lunar bright limb: 291.744467

No SN in this field

2024-09-04 17:32:19 (JD 2460558.230775)

Siderial time 19.001694 h

Ra 14:22:33.60 Dec -63:52:12.00
(215.640000d, -63.870000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: -72.54 Azimuth: 31.33

Sun: Altitude: -26.70 Azimuth: 215.12

Moon: Altitude: -37.83 Azimuth: 198.34

Tunka

Object: Altitude: -63.85 Azimuth: 45.12

Sun: Altitude: -30.97 Azimuth: 187.84

Moon: Altitude: -37.13 Azimuth: 167.39

Kislovodsk

Object: Altitude: -32.32 Azimuth: 30.11

Sun: Altitude: -19.89 Azimuth: 121.61

Moon: Altitude: -13.63 Azimuth: 103.98

Tavrida

Object: Altitude: -30.23 Azimuth: 27.70

Sun: Altitude: -14.06 Azimuth: 115.05

Moon: Altitude: -7.46 Azimuth: 98.01

SAAO

Object: Altitude: 44.98 Azimuth: 29.63

Sun: Altitude: -15.95 Azimuth: 88.14

Moon: Altitude: 1.72 Azimuth: 91.55

IAC

Object: Altitude: -2.95 Azimuth: 6.66

Sun: Altitude: 23.34 Azimuth: 85.24

Moon: Altitude: 34.36 Azimuth: 68.96

Argentina

Object: Altitude: 50.34 Azimuth: 335.13

Sun: Altitude: 48.90 Azimuth: 157.98

Moon: Altitude: 57.73 Azimuth: 184.54

Mexico

Object: Altitude: -22.87 Azimuth: 332.06

Sun: Altitude: 55.30 Azimuth: 308.46

Moon: Altitude: 38.69 Azimuth: 298.18

Ural

Object: Altitude: -49.35 Azimuth: 42.53

Sun: Altitude: -19.35 Azimuth: 140.98

Moon: Altitude: -18.52 Azimuth: 121.97

Vostryakovo

Object: Altitude: -40.66 Azimuth: 32.96

Sun: Altitude: -11.26 Azimuth: 120.35

Moon: Altitude: -7.98 Azimuth: 102.41

Gal. latitude: -3.112398 Gal. longitude: 313.084207

Dist. to Sun: 80.727049

Dist. to Moon: 69.258748

Moon coord.: (180.501301 d, 0.382487 d)

Sun coord.: (163.708154 d, 6.936739 d)

Lunar disk: 0.024555

Lunar phase: 161.969209

Lunar bright limb: 291.750687

No SN in this field

2024-09-04 18:32:19 (JD 2460558.272442)

Siderial time 20.004432 h

Ra 14:22:33.60 Dec -63:52:12.00
(215.640000d, -63.870000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: -76.11 Azimuth: 10.52

Sun: Altitude: -20.25 Azimuth: 229.78

Moon: Altitude: -33.82 Azimuth: 215.69

Tunka

Object: Altitude: -70.25 Azimuth: 40.84

Sun: Altitude: -28.38 Azimuth: 204.74

Moon: Altitude: -37.90 Azimuth: 185.81

Kislovodsk

Object: Altitude: -38.10 Azimuth: 34.03

Sun: Altitude: -28.41 Azimuth: 135.02

Moon: Altitude: -23.74 Azimuth: 115.14

Tavrida

Object: Altitude: -35.59 Azimuth: 32.32

Sun: Altitude: -23.18 Azimuth: 127.50

Moon: Altitude: -17.72 Azimuth: 108.68

SAAO

Object: Altitude: 38.49 Azimuth: 31.35

Sun: Altitude: -28.52 Azimuth: 79.50

Moon: Altitude: -10.46 Azimuth: 83.45

IAC

Object: Altitude: -5.21 Azimuth: 12.89

Sun: Altitude: 10.13 Azimuth: 92.46

Moon: Altitude: 21.92 Azimuth: 77.67

Argentina

Object: Altitude: 54.97 Azimuth: 342.91

Sun: Altitude: 42.20 Azimuth: 138.90

Moon: Altitude: 56.03 Azimuth: 157.80

Mexico

Object: Altitude: -17.17 Azimuth: 335.62

Sun: Altitude: 63.51 Azimuth: 333.22

Moon: Altitude: 48.72 Azimuth: 312.95

Ural

Object: Altitude: -55.16 Azimuth: 47.70

Sun: Altitude: -23.61 Azimuth: 156.32

Moon: Altitude: -24.90 Azimuth: 136.13

Vostryakovo

Object: Altitude: -45.67 Azimuth: 38.87

Sun: Altitude: -18.06 Azimuth: 134.06

Moon: Altitude: -16.03 Azimuth: 114.89

Gal. latitude: -3.112398 Gal. longitude: 313.084207

Dist. to Sun: 80.699489

Dist. to Moon: 68.913727

Moon coord.: (180.934612 d, 0.145624 d)

Sun coord.: (163.745764 d, 6.921310 d)

Lunar disk: 0.025787

Lunar phase: 161.518475

Lunar bright limb: 291.927212

No SN in this field

2025-06-02 15:44:00 (JD 2460829.155556)

Siderial time 10.998836 h

Ra 14:22:33.60 Dec -63:52:12.00
(215.640000d, -63.870000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: -28.23 Azimuth: 18.42

Sun: Altitude: -17.34 Azimuth: 184.21

Moon: Altitude: 4.22 Azimuth: 101.53

Tunka

Object: Altitude: -26.25 Azimuth: 7.20

Sun: Altitude: -13.89 Azimuth: 160.89

Moon: Altitude: 19.53 Azimuth: 82.22

Kislovodsk

Object: Altitude: -23.50 Azimuth: 339.88

Sun: Altitude: 8.78 Azimuth: 112.47

Moon: Altitude: 55.45 Azimuth: 19.78

Tavrida

Object: Altitude: -26.68 Azimuth: 336.42

Sun: Altitude: 14.85 Azimuth: 106.76

Moon: Altitude: 55.79 Azimuth: 4.81

SAAO

Object: Altitude: 38.56 Azimuth: 328.65

Sun: Altitude: -2.05 Azimuth: 115.20

Moon: Altitude: 45.87 Azimuth: 194.84

IAC

Object: Altitude: -31.64 Azimuth: 329.99

Sun: Altitude: 53.18 Azimuth: 89.88

Moon: Altitude: 41.98 Azimuth: 281.74

Argentina

Object: Altitude: 7.30 Azimuth: 350.26

Sun: Altitude: 34.66 Azimuth: 194.06

Moon: Altitude: -14.51 Azimuth: 266.38

Mexico

Object: Altitude: -55.14 Azimuth: 14.27

Sun: Altitude: 41.80 Azimuth: 266.89

Moon: Altitude: -34.44 Azimuth: 227.69

Ural

Object: Altitude: -32.90 Azimuth: 345.39

Sun: Altitude: 5.37 Azimuth: 123.62

Moon: Altitude: 38.71 Azimuth: 36.63

Vostryakovo

Object: Altitude: -35.42 Azimuth: 335.37

Sun: Altitude: 15.58 Azimuth: 106.71

Moon: Altitude: 44.92 Azimuth: 9.10

Gal. latitude: -3.112398 Gal. longitude: 313.084207

Dist. to Sun: 132.395148

Dist. to Moon: 85.954007

Moon coord.: (158.629223 d, 10.599654 d)

Sun coord.: (70.506804 d, 22.237420 d)

Lunar disk: 0.451474

Lunar phase: 95.569464

Lunar bright limb: 291.623820

No SN in this field
Recent coverage and limits telegrams

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

  ID = 11236
TYPE = 35
DAYS = 2


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) started inspect of the FERMI GRB240904.73 (trigger No 747163821,14h 22m 33.60s , -63d 52m 12.0s, R=1) errorbox  39 sec after notice time and 70 sec after trigger time at 2024-09-04 17:31:27 UT, with upper limit up to  18.0 mag. Observations started at twilight.  The observations began at zenith distance = 44 deg. The sun  altitude  is -15.1 deg. 

The galactic latitude b = -3 deg., longitude l = 313 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2589382

We obtain a following upper limits.  

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

      76 | 2024-09-04 17:31:27 |         MASTER-SAAO | (14h 29m 23.97s , -64d 24m 25.2s) |   C |    10 | 16.3 |        
     110 | 2024-09-04 17:31:56 |         MASTER-SAAO | (14h 29m 23.81s , -64d 24m 24.8s) |   C |    20 | 16.7 |        
     154 | 2024-09-04 17:32:35 |         MASTER-SAAO | (14h 22m 28.07s , -63d 50m 56.0s) |   C |    30 | 16.5 |        
     189 | 2024-09-04 17:32:35 |         MASTER-SAAO | (14h 22m 28.07s , -63d 50m 56.0s) |   C |   100 | 17.2 |  Coadd 
     203 | 2024-09-04 17:33:24 |         MASTER-SAAO | (14h 22m 27.93s , -63d 50m 55.1s) |   C |    30 | 16.9 |        
     257 | 2024-09-04 17:34:13 |         MASTER-SAAO | (14h 22m 27.82s , -63d 50m 53.8s) |   C |    40 | 17.0 |        
     326 | 2024-09-04 17:35:12 |         MASTER-SAAO | (14h 22m 27.73s , -63d 50m 51.8s) |   C |    60 | 17.2 |        
    3938 | 2024-09-04 18:35:24 |         MASTER-SAAO | (13h 59m 42.36s , -63d 19m 34.6s) |   C |    60 | 17.5 |        
    4017 | 2024-09-04 18:36:43 |         MASTER-SAAO | (14h 17m 24.90s , -63d 21m 11.0s) |   C |    60 | 17.3 |        
    4096 | 2024-09-04 18:38:02 |         MASTER-SAAO | (14h 23m 26.04s , -65d 15m 22.2s) |   C |    60 | 17.1 |        
    4423 | 2024-09-04 18:43:29 |         MASTER-SAAO | (14h 42m 26.58s , -65d 16m 59.1s) |   C |    60 | 17.5 |        
    4503 | 2024-09-04 18:44:49 |         MASTER-SAAO | (14h 33m 25.65s , -63d 21m 43.1s) |   C |    60 | 17.5 |        
    4661 | 2024-09-04 18:47:27 |         MASTER-SAAO | (14h 11m 26.96s , -61d 27m 38.1s) |   C |    60 | 18.0 |        
    4741 | 2024-09-04 18:48:46 |         MASTER-SAAO | (14h 28m 15.41s , -61d 27m 55.1s) |   C |    60 | 17.9 |        
    4899 | 2024-09-04 18:51:25 |         MASTER-SAAO | (14h 06m 16.00s , -65d 13m 20.6s) |   C |    60 | 17.2 |        
    4978 | 2024-09-04 18:52:44 |         MASTER-SAAO | (13h 59m 37.32s , -63d 19m 54.1s) |   C |    60 | 17.5 |        
    5058 | 2024-09-04 18:54:04 |         MASTER-SAAO | (14h 17m 24.56s , -63d 19m 40.0s) |   C |    60 | 17.3 |        
    5137 | 2024-09-04 18:55:23 |         MASTER-SAAO | (14h 23m 23.60s , -65d 14m 50.7s) |   C |    60 | 17.2 |        
    5379 | 2024-09-04 18:59:25 |         MASTER-SAAO | (14h 42m 25.69s , -65d 16m 22.2s) |   C |    60 | 17.5 |        
    5458 | 2024-09-04 19:00:44 |         MASTER-SAAO | (14h 33m 32.89s , -63d 20m 36.2s) |   C |    60 | 17.4 |        
    5624 | 2024-09-04 19:03:29 |         MASTER-SAAO | (14h 11m 25.90s , -61d 25m 12.6s) |   C |    60 | 18.0 |        
    5703 | 2024-09-04 19:04:49 |         MASTER-SAAO | (14h 28m 15.38s , -61d 26m 56.9s) |   C |    60 | 17.9 |        
    5861 | 2024-09-04 19:07:27 |         MASTER-SAAO | (14h 06m 15.99s , -65d 14m 32.7s) |   C |    60 | 17.3 |        
    5940 | 2024-09-04 19:08:46 |         MASTER-SAAO | (13h 59m 40.03s , -63d 18m 38.9s) |   C |    60 | 17.6 |        
    6023 | 2024-09-04 19:10:09 |         MASTER-SAAO | (14h 17m 27.05s , -63d 20m 47.2s) |   C |    60 | 17.4 |        
    6102 | 2024-09-04 19:11:28 |         MASTER-SAAO | (14h 23m 24.19s , -65d 13m 38.1s) |   C |    60 | 17.3 |        
    6341 | 2024-09-04 19:15:26 |         MASTER-SAAO | (14h 42m 28.49s , -65d 15m 13.7s) |   C |    60 | 17.6 |        
    6420 | 2024-09-04 19:16:46 |         MASTER-SAAO | (14h 33m 25.12s , -63d 21m 49.0s) |   C |    60 | 17.5 |        
    6578 | 2024-09-04 19:19:24 |         MASTER-SAAO | (14h 11m 29.36s , -61d 24m 53.5s) |   C |    60 | 18.0 |        
    6657 | 2024-09-04 19:20:43 |         MASTER-SAAO | (14h 28m 11.85s , -61d 27m 11.5s) |   C |    60 | 18.0 |        
    6816 | 2024-09-04 19:23:22 |         MASTER-SAAO | (14h 06m 09.65s , -65d 13m 18.1s) |   C |    60 | 17.4 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 11224
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) started inspect of the FERMI GRB240904.73 (trigger No 747163821,14h 22m 33.60s , -63d 52m 12.0s, R=1) errorbox  39 sec after notice time and 70 sec after trigger time at 2024-09-04 17:31:27 UT, with upper limit up to  18.0 mag. Observations started at twilight.  The observations began at zenith distance = 44 deg. The sun  altitude  is -15.1 deg. 

The galactic latitude b = -3 deg., longitude l = 313 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2589382

We obtain a following upper limits.  

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

      76 | 2024-09-04 17:31:27 |         MASTER-SAAO | (14h 29m 23.97s , -64d 24m 25.2s) |   C |    10 | 16.3 |        
     110 | 2024-09-04 17:31:56 |         MASTER-SAAO | (14h 29m 23.81s , -64d 24m 24.8s) |   C |    20 | 16.7 |        
     154 | 2024-09-04 17:32:35 |         MASTER-SAAO | (14h 22m 28.07s , -63d 50m 56.0s) |   C |    30 | 16.5 |        
     189 | 2024-09-04 17:32:35 |         MASTER-SAAO | (14h 22m 28.07s , -63d 50m 56.0s) |   C |   100 | 17.2 |  Coadd 
     203 | 2024-09-04 17:33:24 |         MASTER-SAAO | (14h 22m 27.93s , -63d 50m 55.1s) |   C |    30 | 16.9 |        
     257 | 2024-09-04 17:34:13 |         MASTER-SAAO | (14h 22m 27.82s , -63d 50m 53.8s) |   C |    40 | 17.0 |        
     326 | 2024-09-04 17:35:12 |         MASTER-SAAO | (14h 22m 27.73s , -63d 50m 51.8s) |   C |    60 | 17.2 |        
    3938 | 2024-09-04 18:35:24 |         MASTER-SAAO | (13h 59m 42.36s , -63d 19m 34.6s) |   C |    60 | 17.5 |        
    4017 | 2024-09-04 18:36:43 |         MASTER-SAAO | (14h 17m 24.90s , -63d 21m 11.0s) |   C |    60 | 17.3 |        
    4096 | 2024-09-04 18:38:02 |         MASTER-SAAO | (14h 23m 26.04s , -65d 15m 22.2s) |   C |    60 | 17.1 |        
    4423 | 2024-09-04 18:43:29 |         MASTER-SAAO | (14h 42m 26.58s , -65d 16m 59.1s) |   C |    60 | 17.5 |        
    4503 | 2024-09-04 18:44:49 |         MASTER-SAAO | (14h 33m 25.65s , -63d 21m 43.1s) |   C |    60 | 17.5 |        
    4661 | 2024-09-04 18:47:27 |         MASTER-SAAO | (14h 11m 26.96s , -61d 27m 38.1s) |   C |    60 | 18.0 |        
    4741 | 2024-09-04 18:48:46 |         MASTER-SAAO | (14h 28m 15.41s , -61d 27m 55.1s) |   C |    60 | 17.9 |        
    4899 | 2024-09-04 18:51:25 |         MASTER-SAAO | (14h 06m 16.00s , -65d 13m 20.6s) |   C |    60 | 17.2 |        
    4978 | 2024-09-04 18:52:44 |         MASTER-SAAO | (13h 59m 37.32s , -63d 19m 54.1s) |   C |    60 | 17.5 |        
    5058 | 2024-09-04 18:54:04 |         MASTER-SAAO | (14h 17m 24.56s , -63d 19m 40.0s) |   C |    60 | 17.3 |        
    5137 | 2024-09-04 18:55:23 |         MASTER-SAAO | (14h 23m 23.60s , -65d 14m 50.7s) |   C |    60 | 17.2 |        
    5379 | 2024-09-04 18:59:25 |         MASTER-SAAO | (14h 42m 25.69s , -65d 16m 22.2s) |   C |    60 | 17.5 |        
    5458 | 2024-09-04 19:00:44 |         MASTER-SAAO | (14h 33m 32.89s , -63d 20m 36.2s) |   C |    60 | 17.4 |        
    5624 | 2024-09-04 19:03:29 |         MASTER-SAAO | (14h 11m 25.90s , -61d 25m 12.6s) |   C |    60 | 18.0 |        
    5703 | 2024-09-04 19:04:49 |         MASTER-SAAO | (14h 28m 15.38s , -61d 26m 56.9s) |   C |    60 | 17.9 |        
    5861 | 2024-09-04 19:07:27 |         MASTER-SAAO | (14h 06m 15.99s , -65d 14m 32.7s) |   C |    60 | 17.3 |        
    5940 | 2024-09-04 19:08:46 |         MASTER-SAAO | (13h 59m 40.03s , -63d 18m 38.9s) |   C |    60 | 17.6 |        
    6023 | 2024-09-04 19:10:09 |         MASTER-SAAO | (14h 17m 27.05s , -63d 20m 47.2s) |   C |    60 | 17.4 |        
    6102 | 2024-09-04 19:11:28 |         MASTER-SAAO | (14h 23m 24.19s , -65d 13m 38.1s) |   C |    60 | 17.3 |        
    6341 | 2024-09-04 19:15:26 |         MASTER-SAAO | (14h 42m 28.49s , -65d 15m 13.7s) |   C |    60 | 17.6 |        
    6420 | 2024-09-04 19:16:46 |         MASTER-SAAO | (14h 33m 25.12s , -63d 21m 49.0s) |   C |    60 | 17.5 |        
    6578 | 2024-09-04 19:19:24 |         MASTER-SAAO | (14h 11m 29.36s , -61d 24m 53.5s) |   C |    60 | 18.0 |        
    6657 | 2024-09-04 19:20:43 |         MASTER-SAAO | (14h 28m 11.85s , -61d 27m 11.5s) |   C |    60 | 18.0 |        
    6816 | 2024-09-04 19:23:22 |         MASTER-SAAO | (14h 06m 09.65s , -65d 13m 18.1s) |   C |    60 | 17.4 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 11212
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) started inspect of the FERMI GRB240904.73 (trigger No 747163821,14h 29m 21.60s , -64d 25m 12.0s, R=2) errorbox  39 sec after notice time and 70 sec after trigger time at 2024-09-04 17:31:27 UT, with upper limit up to  16.3 mag. Observations started at twilight.  The observations began at zenith distance = 44 deg. The sun  altitude  is -15.1 deg. 

The galactic latitude b = -4 deg., longitude l = 314 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2589350

We obtain a following upper limits.  

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

      76 | 2024-09-04 17:31:27 |         MASTER-SAAO | (14h 29m 23.97s , -64d 24m 25.2s) |   C |    10 | 16.3 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 11211
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) started inspect of the FERMI GRB240904.73 (trigger No 747163821,14h 29m 21.60s , -64d 25m 12.0s, R=2) errorbox  39 sec after notice time and 70 sec after trigger time at 2024-09-04 17:31:27 UT, with upper limit up to  16.3 mag. Observations started at twilight.  The observations began at zenith distance = 44 deg. The sun  altitude  is -15.1 deg. 

The galactic latitude b = -4 deg., longitude l = 314 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2589350

We obtain a following upper limits.  

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

      76 | 2024-09-04 17:31:27 |         MASTER-SAAO | (14h 29m 23.97s , -64d 24m 25.2s) |   C |    10 | 16.3 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 11210
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) started inspect of the FERMI GRB240904.73 (trigger No 747163821,14h 29m 21.60s , -64d 25m 12.0s, R=2) errorbox  39 sec after notice time and 70 sec after trigger time at 2024-09-04 17:31:27 UT, with upper limit up to  16.3 mag. Observations started at twilight.  The observations began at zenith distance = 44 deg. The sun  altitude  is -15.1 deg. 

The galactic latitude b = -4 deg., longitude l = 314 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2589350

We obtain a following upper limits.  

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

      76 | 2024-09-04 17:31:27 |         MASTER-SAAO | (14h 29m 23.97s , -64d 24m 25.2s) |   C |    10 | 16.3 |        
Filter C is a clear (unfiltred) band. 


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

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