MASTER Net MASTER Database: GRB210621.71 pagePlease 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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id noticetime coord2000 satel errorbox type trigger seq trig_type links
2212666
2023-04-25 18:17:12.461901
15h 55m 14.88s -54d 03m 46.8s
SWIFT
0.05
retraction
1057131
1
4044
retraction
1641846
2021-06-21 17:19:52.375367
15h 55m 08.88s -54d 03m 39.6s
SWIFT
0.0005
alert
1057131
7
67
alert
1641833
2021-06-21 17:06:33.969283
15h 55m 14.88s -54d 03m 46.8s
SWIFT
0.05
alert
1057131
6
61
alert
MASTER optical transients in this field
Will be published in GCN, ATEL
Distance | datetime | coord2000 | observatory | camera | links |
9.2 | 2021-06-21 17:04:36.356 | 16h 35m 56.00s -61d 30m 49.0s | SAAO | 111341 | Database SAAO |
trigger | notice | notice+1hr | now |
2021-06-21 17:04:36 (JD 2459387.211528) Siderial time 13.592280 h Ra 15:55:14.88 Dec -54:03:46.80 Rise n/a Transit n/a Set n/a AmurObject: Altitude: -24.07 Azimuth: 31.74 Sun: Altitude: -13.36 Azimuth: 202.07 Moon: Altitude: 1.67 Azimuth: 63.76 TunkaObject: Altitude: -18.89 Azimuth: 18.36 Sun: Altitude: -14.74 Azimuth: 179.12 Moon: Altitude: 13.12 Azimuth: 43.32 KislovodskObject: Altitude: -11.11 Azimuth: 342.59 Sun: Altitude: -2.37 Azimuth: 126.22 Moon: Altitude: 29.23 Azimuth: 341.38 TavridaObject: Altitude: -14.10 Azimuth: 337.86 Sun: Altitude: 3.26 Azimuth: 120.30 Moon: Altitude: 25.95 Azimuth: 332.71 SAAOObject: Altitude: 47.78 Azimuth: 316.71 Sun: Altitude: -17.76 Azimuth: 106.95 Moon: Altitude: 51.03 Azimuth: 252.84 IACObject: Altitude: -22.05 Azimuth: 320.72 Sun: Altitude: 36.78 Azimuth: 99.30 Moon: Altitude: 4.90 Azimuth: 290.01 ArgentinaObject: Altitude: 1.97 Azimuth: 338.74 Sun: Altitude: 34.39 Azimuth: 172.58 Moon: Altitude: -22.04 Azimuth: 305.51 MexicoObject: Altitude: -66.89 Azimuth: 4.38 Sun: Altitude: 58.64 Azimuth: 275.48 Moon: Altitude: -71.42 Azimuth: 212.90 UralObject: Altitude: -21.60 Azimuth: 351.83 Sun: Altitude: -1.29 Azimuth: 140.01 Moon: Altitude: 17.91 Azimuth: 0.26 VostryakovoObject: Altitude: -23.10 Azimuth: 338.68 Sun: Altitude: 6.72 Azimuth: 122.31 Moon: Altitude: 17.26 Azimuth: 338.27 Gal. latitude: -0.821962 Gal. longitude: 328.226618 Dist. to Sun: 141.394732 Dist. to Moon: 40.364960 Moon coord.: (225.554860 d, -15.053190 d) Sun coord.: (90.264611 d, 23.444298 d) Lunar disk: 0.867059 Lunar phase: 42.767219 Lunar bright limb: 288.471132 No SN in this field |
2021-06-21 17:06:24 (JD 2459387.212778) Siderial time 13.622362 h Ra 15:55:14.88 Dec -54:03:46.80 Rise n/a Transit n/a Set n/a AmurObject: Altitude: -24.22 Azimuth: 31.98 Sun: Altitude: -13.25 Azimuth: 202.48 Moon: Altitude: 1.42 Azimuth: 64.10 TunkaObject: Altitude: -18.98 Azimuth: 18.63 Sun: Altitude: -14.75 Azimuth: 179.54 Moon: Altitude: 12.93 Azimuth: 43.70 KislovodskObject: Altitude: -11.02 Azimuth: 342.84 Sun: Altitude: -2.63 Azimuth: 126.54 Moon: Altitude: 29.33 Azimuth: 341.85 TavridaObject: Altitude: -13.98 Azimuth: 338.10 Sun: Altitude: 2.99 Azimuth: 120.61 Moon: Altitude: 26.09 Azimuth: 333.15 SAAOObject: Altitude: 48.04 Azimuth: 316.77 Sun: Altitude: -18.12 Azimuth: 106.75 Moon: Altitude: 51.39 Azimuth: 252.48 IACObject: Altitude: -21.79 Azimuth: 320.81 Sun: Altitude: 36.39 Azimuth: 99.47 Moon: Altitude: 5.26 Azimuth: 290.24 ArgentinaObject: Altitude: 2.11 Azimuth: 338.52 Sun: Altitude: 34.33 Azimuth: 172.08 Moon: Altitude: -21.74 Azimuth: 305.20 MexicoObject: Altitude: -66.92 Azimuth: 3.71 Sun: Altitude: 59.02 Azimuth: 275.78 Moon: Altitude: -71.22 Azimuth: 214.05 UralObject: Altitude: -21.57 Azimuth: 352.12 Sun: Altitude: -1.45 Azimuth: 140.39 Moon: Altitude: 17.90 Azimuth: 0.70 VostryakovoObject: Altitude: -23.01 Azimuth: 338.95 Sun: Altitude: 6.50 Azimuth: 122.67 Moon: Altitude: 17.35 Azimuth: 338.70 Gal. latitude: -0.821962 Gal. longitude: 328.226618 Dist. to Sun: 141.394145 Dist. to Moon: 40.354874 Moon coord.: (225.572751 d, -15.059832 d) Sun coord.: (90.265911 d, 23.444296 d) Lunar disk: 0.867162 Lunar phase: 42.749948 Lunar bright limb: 288.465550 No SN in this field |
2021-06-21 18:06:24 (JD 2459387.254444) Siderial time 14.625100 h Ra 15:55:14.88 Dec -54:03:46.80 Rise n/a Transit n/a Set n/a AmurObject: Altitude: -29.84 Azimuth: 39.61 Sun: Altitude: -8.60 Azimuth: 215.67 Moon: Altitude: -7.38 Azimuth: 74.93 TunkaObject: Altitude: -22.60 Azimuth: 27.22 Sun: Altitude: -13.68 Azimuth: 193.69 Moon: Altitude: 5.92 Azimuth: 55.92 KislovodskObject: Altitude: -8.59 Azimuth: 351.44 Sun: Altitude: -10.67 Azimuth: 137.79 Moon: Altitude: 30.95 Azimuth: 357.88 TavridaObject: Altitude: -10.73 Azimuth: 346.48 Sun: Altitude: -5.63 Azimuth: 131.34 Moon: Altitude: 29.25 Azimuth: 348.49 SAAOObject: Altitude: 56.44 Azimuth: 321.12 Sun: Altitude: -30.44 Azimuth: 100.01 Moon: Altitude: 62.58 Azimuth: 237.00 IACObject: Altitude: -13.75 Azimuth: 324.58 Sun: Altitude: 23.49 Azimuth: 104.99 Moon: Altitude: 16.73 Azimuth: 298.32 ArgentinaObject: Altitude: 7.52 Azimuth: 331.54 Sun: Altitude: 30.84 Azimuth: 156.27 Moon: Altitude: -11.02 Azimuth: 295.89 MexicoObject: Altitude: -65.28 Azimuth: 342.22 Sun: Altitude: 71.56 Azimuth: 289.73 Moon: Altitude: -62.09 Azimuth: 241.35 UralObject: Altitude: -21.12 Azimuth: 1.56 Sun: Altitude: -5.90 Azimuth: 153.43 Moon: Altitude: 16.59 Azimuth: 15.23 VostryakovoObject: Altitude: -20.58 Azimuth: 348.08 Sun: Altitude: -0.14 Azimuth: 134.73 Moon: Altitude: 19.12 Azimuth: 353.26 Gal. latitude: -0.821962 Gal. longitude: 328.226618 Dist. to Sun: 141.374570 Dist. to Moon: 40.021438 Moon coord.: (226.169959 d, -15.280499 d) Sun coord.: (90.309224 d, 23.444223 d) Lunar disk: 0.870554 Lunar phase: 42.174066 Lunar bright limb: 288.277622 No SN in this field |
2024-12-24 00:17:03 (JD 2460668.511840) Siderial time 8.993799 h Ra 15:55:14.88 Dec -54:03:46.80 Rise n/a Transit n/a Set n/a AmurObject: Altitude: -15.04 Azimuth: 351.52 Sun: Altitude: 5.04 Azimuth: 317.00 Moon: Altitude: 26.67 Azimuth: 36.47 TunkaObject: Altitude: -20.62 Azimuth: 337.05 Sun: Altitude: -7.98 Azimuth: 298.10 Moon: Altitude: 31.29 Azimuth: 9.20 KislovodskObject: Altitude: -38.77 Azimuth: 311.97 Sun: Altitude: -46.44 Azimuth: 258.00 Moon: Altitude: 20.93 Azimuth: 302.27 TavridaObject: Altitude: -44.05 Azimuth: 308.86 Sun: Altitude: -52.00 Azimuth: 248.96 Moon: Altitude: 15.12 Azimuth: 295.65 SAAOObject: Altitude: 10.40 Azimuth: 329.14 Sun: Altitude: -29.09 Azimuth: 333.06 Moon: Altitude: 16.68 Azimuth: 267.14 IACObject: Altitude: -59.66 Azimuth: 334.24 Sun: Altitude: -78.36 Azimuth: 112.08 Moon: Altitude: -22.14 Azimuth: 265.40 ArgentinaObject: Altitude: -0.09 Azimuth: 17.51 Sun: Altitude: -7.20 Azimuth: 56.64 Moon: Altitude: -48.93 Azimuth: 336.15 MexicoObject: Altitude: -35.01 Azimuth: 42.93 Sun: Altitude: 0.39 Azimuth: 62.09 Moon: Altitude: -55.73 Azimuth: 130.45 UralObject: Altitude: -39.40 Azimuth: 311.23 Sun: Altitude: -33.38 Azimuth: 261.90 Moon: Altitude: 20.14 Azimuth: 321.94 VostryakovoObject: Altitude: -48.19 Azimuth: 301.21 Sun: Altitude: -45.33 Azimuth: 241.98 Moon: Altitude: 12.19 Azimuth: 301.14 Gal. latitude: -0.821962 Gal. longitude: 328.226618 Dist. to Sun: 39.664407 Dist. to Moon: 60.383410 Moon coord.: (192.454928 d, -6.506655 d) Sun coord.: (272.535867 d, -23.426384 d) Lunar disk: 0.400227 Lunar phase: 101.510422 Lunar bright limb: 112.654156 No SN in this field |
####################################################################################### ####################################################################################### ID = 4469 TYPE = 35 DAYS = 1 MASTER-SAAO robotic telescope (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L) located in South Africa (South African Astronomical Observatory) was pointed to the SWIFT GRB210621.71 (trigger No 1057131,15h 55m 14.88s , -54d 03m 46.8s, R=0.05) errorbox 79 sec after trigger time at 2021-06-21 17:05:55 UT, with upper limit up to 17.8 mag. The observations began at zenith distance = 43 deg. The sun altitude is -17.3 deg. MASTER-OAFA robotic telescope located in Argentina (OAFA observatory of San Juan National University) was pointed to the SWIFT GRB210621.71 errorbox 23996 sec after notice time and 24103 sec after trigger time at 2021-06-21 23:46:20 UT, with upper limit up to 18.0 mag. The observations began at zenith distance = 37 deg. The sun altitude is -26.1 deg. The galactic latitude b = -1 deg., longitude l = 328 deg. Real time updated cover map and OT discovered available here: https://master.sai.msu.ru/site/master2/observ.php?id=1641833 We obtain a following upper limits. Tmid-T0 | Site |Filt.| Expt. | Limit| Comment _________|_____________________|_____|_______|______|________ 89 | MASTER-SAAO | P\ | 20 | 15.6 | 114 | MASTER-SAAO | P\ | 70 | 16.1 | Coadd 129 | MASTER-SAAO | P\ | 20 | 16.0 | 173 | MASTER-SAAO | P\ | 30 | 16.1 | 228 | MASTER-SAAO | P\ | 40 | 15.6 | 288 | MASTER-SAAO | P\ | 160 | 16.4 | Coadd 292 | MASTER-SAAO | P\ | 50 | 16.6 | 372 | MASTER-SAAO | P\ | 70 | 16.6 | 466 | MASTER-SAAO | P\ | 80 | 16.5 | 581 | MASTER-SAAO | P\ | 310 | 17.1 | Coadd 576 | MASTER-SAAO | P\ | 100 | 16.4 | 711 | MASTER-SAAO | P\ | 130 | 16.7 | 875 | MASTER-SAAO | P\ | 160 | 16.7 | 1055 | MASTER-SAAO | P\ | 520 | 17.1 | Coadd 1065 | MASTER-SAAO | P\ | 180 | 16.7 | 1264 | MASTER-SAAO | P\ | 180 | 16.9 | 1464 | MASTER-SAAO | P\ | 180 | 16.9 | 1644 | MASTER-SAAO | P\ | 540 | 17.2 | Coadd 1664 | MASTER-SAAO | P\ | 180 | 16.9 | 1863 | MASTER-SAAO | P\ | 180 | 16.9 | 2063 | MASTER-SAAO | P\ | 180 | 16.7 | 2243 | MASTER-SAAO | P\ | 540 | 17.2 | Coadd 2263 | MASTER-SAAO | P\ | 180 | 16.9 | 2462 | MASTER-SAAO | P\ | 180 | 16.9 | 2661 | MASTER-SAAO | P\ | 180 | 16.7 | 2841 | MASTER-SAAO | P\ | 540 | 16.9 | Coadd 2861 | MASTER-SAAO | P\ | 180 | 17.0 | 3072 | MASTER-SAAO | P\ | 180 | 17.0 | 3272 | MASTER-SAAO | P\ | 180 | 17.0 | 3452 | MASTER-SAAO | P\ | 540 | 17.4 | Coadd 3471 | MASTER-SAAO | P\ | 180 | 17.0 | 3670 | MASTER-SAAO | P\ | 180 | 16.7 | 3870 | MASTER-SAAO | P\ | 180 | 16.7 | 4050 | MASTER-SAAO | P\ | 540 | 17.1 | Coadd 4070 | MASTER-SAAO | P\ | 180 | 16.6 | 4269 | MASTER-SAAO | P\ | 180 | 16.9 | 4469 | MASTER-SAAO | P\ | 180 | 16.9 | 4649 | MASTER-SAAO | P\ | 540 | 17.1 | Coadd 4668 | MASTER-SAAO | P\ | 180 | 16.7 | 4867 | MASTER-SAAO | P\ | 180 | 16.7 | 5067 | MASTER-SAAO | P\ | 180 | 16.9 | 5247 | MASTER-SAAO | P\ | 540 | 17.1 | Coadd 5267 | MASTER-SAAO | P\ | 180 | 16.9 | 5466 | MASTER-SAAO | P\ | 180 | 16.8 | 5665 | MASTER-SAAO | P\ | 180 | 16.7 | 5845 | MASTER-SAAO | P\ | 540 | 17.0 | Coadd 5865 | MASTER-SAAO | P\ | 180 | 16.6 | 6064 | MASTER-SAAO | P\ | 180 | 16.7 | 6264 | MASTER-SAAO | P\ | 180 | 16.8 | 6444 | MASTER-SAAO | P\ | 540 | 17.1 | Coadd 6463 | MASTER-SAAO | P\ | 180 | 16.7 | 6663 | MASTER-SAAO | P\ | 180 | 16.9 | 6863 | MASTER-SAAO | P\ | 180 | 16.8 | 7043 | MASTER-SAAO | P\ | 540 | 17.1 | Coadd 7062 | MASTER-SAAO | P\ | 180 | 16.9 | 7262 | MASTER-SAAO | P\ | 180 | 16.7 | 7461 | MASTER-SAAO | P\ | 180 | 16.7 | 7641 | MASTER-SAAO | P\ | 540 | 17.1 | Coadd 7661 | MASTER-SAAO | P\ | 180 | 16.9 | 7861 | MASTER-SAAO | P\ | 180 | 16.7 | 8063 | MASTER-SAAO | P\ | 180 | 16.7 | 8243 | MASTER-SAAO | P\ | 540 | 17.0 | Coadd 8262 | MASTER-SAAO | P\ | 180 | 16.8 | 8462 | MASTER-SAAO | P\ | 180 | 16.5 | 8661 | MASTER-SAAO | P\ | 180 | 16.9 | 8861 | MASTER-SAAO | P\ | 180 | 16.9 | 10099 | MASTER-SAAO | C | 180 | 17.8 | 11220 | MASTER-SAAO | C | 180 | 17.5 | 12316 | MASTER-SAAO | C | 180 | 17.3 | 24194 | MASTER-OAFA | C | 180 | 17.7 | 25113 | MASTER-SAAO | C | 180 | 17.2 | 25275 | MASTER-OAFA | C | 180 | 17.6 | 25313 | MASTER-SAAO | C | 180 | 16.7 | 26432 | MASTER-OAFA | C | 180 | 17.7 | 39837 | MASTER-OAFA | C | 60 | 17.1 | 39916 | MASTER-OAFA | C | 60 | 16.8 | 40792 | MASTER-OAFA | C | 60 | 17.1 | 40872 | MASTER-OAFA | C | 60 | 16.8 | 41004 | MASTER-SAAO | C | 60 | 16.5 | 41749 | MASTER-OAFA | C | 60 | 17.1 | 41828 | MASTER-OAFA | C | 60 | 16.9 | 42044 | MASTER-SAAO | C | 60 | 15.3 | 49314 | MASTER-OAFA | C | 180 | 17.4 | 49494 | MASTER-OAFA | C | 540 | 18.0 | Coadd 49514 | MASTER-OAFA | C | 180 | 17.4 | 49713 | MASTER-OAFA | C | 180 | 17.5 | Filter C is a clear (unfiltred) band. The observation and reduction will continue. The message may be cited. ####################################################################################### ####################################################################################### ID = 4467 TYPE = 35 DAYS = 0.5 MASTER-SAAO robotic telescope (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L) located in South Africa (South African Astronomical Observatory) was pointed to the SWIFT GRB210621.71 (trigger No 1057131,15h 55m 14.88s , -54d 03m 46.8s, R=0.05) errorbox 79 sec after trigger time at 2021-06-21 17:05:55 UT, with upper limit up to 17.8 mag. The observations began at zenith distance = 43 deg. The sun altitude is -17.3 deg. MASTER-OAFA robotic telescope located in Argentina (OAFA observatory of San Juan National University) was pointed to the SWIFT GRB210621.71 errorbox 23996 sec after notice time and 24103 sec after trigger time at 2021-06-21 23:46:20 UT, with upper limit up to 17.7 mag. The observations began at zenith distance = 37 deg. The sun altitude is -26.1 deg. The galactic latitude b = -1 deg., longitude l = 328 deg. Real time updated cover map and OT discovered available here: https://master.sai.msu.ru/site/master2/observ.php?id=1641833 We obtain a following upper limits. Tmid-T0 | Site |Filt.| Expt. | Limit| Comment _________|_____________________|_____|_______|______|________ 89 | MASTER-SAAO | P\ | 20 | 15.6 | 114 | MASTER-SAAO | P\ | 70 | 16.1 | Coadd 129 | MASTER-SAAO | P\ | 20 | 16.0 | 173 | MASTER-SAAO | P\ | 30 | 16.1 | 228 | MASTER-SAAO | P\ | 40 | 15.6 | 288 | MASTER-SAAO | P\ | 160 | 16.4 | Coadd 292 | MASTER-SAAO | P\ | 50 | 16.6 | 372 | MASTER-SAAO | P\ | 70 | 16.6 | 466 | MASTER-SAAO | P\ | 80 | 16.5 | 581 | MASTER-SAAO | P\ | 310 | 17.1 | Coadd 576 | MASTER-SAAO | P\ | 100 | 16.4 | 711 | MASTER-SAAO | P\ | 130 | 16.7 | 875 | MASTER-SAAO | P\ | 160 | 16.7 | 1055 | MASTER-SAAO | P\ | 520 | 17.1 | Coadd 1065 | MASTER-SAAO | P\ | 180 | 16.7 | 1264 | MASTER-SAAO | P\ | 180 | 16.9 | 1464 | MASTER-SAAO | P\ | 180 | 16.9 | 1644 | MASTER-SAAO | P\ | 540 | 17.2 | Coadd 1664 | MASTER-SAAO | P\ | 180 | 16.9 | 1863 | MASTER-SAAO | P\ | 180 | 16.9 | 2063 | MASTER-SAAO | P\ | 180 | 16.7 | 2243 | MASTER-SAAO | P\ | 540 | 17.2 | Coadd 2263 | MASTER-SAAO | P\ | 180 | 16.9 | 2462 | MASTER-SAAO | P\ | 180 | 16.9 | 2661 | MASTER-SAAO | P\ | 180 | 16.7 | 2841 | MASTER-SAAO | P\ | 540 | 16.9 | Coadd 2861 | MASTER-SAAO | P\ | 180 | 17.0 | 3072 | MASTER-SAAO | P\ | 180 | 17.0 | 3272 | MASTER-SAAO | P\ | 180 | 17.0 | 3452 | MASTER-SAAO | P\ | 540 | 17.4 | Coadd 3471 | MASTER-SAAO | P\ | 180 | 17.0 | 3670 | MASTER-SAAO | P\ | 180 | 16.7 | 3870 | MASTER-SAAO | P\ | 180 | 16.7 | 4050 | MASTER-SAAO | P\ | 540 | 17.1 | Coadd 4070 | MASTER-SAAO | P\ | 180 | 16.6 | 4269 | MASTER-SAAO | P\ | 180 | 16.9 | 4469 | MASTER-SAAO | P\ | 180 | 16.9 | 4649 | MASTER-SAAO | P\ | 540 | 17.1 | Coadd 4668 | MASTER-SAAO | P\ | 180 | 16.7 | 4867 | MASTER-SAAO | P\ | 180 | 16.7 | 5067 | MASTER-SAAO | P\ | 180 | 16.9 | 5247 | MASTER-SAAO | P\ | 540 | 17.1 | Coadd 5267 | MASTER-SAAO | P\ | 180 | 16.9 | 5466 | MASTER-SAAO | P\ | 180 | 16.8 | 5665 | MASTER-SAAO | P\ | 180 | 16.7 | 5845 | MASTER-SAAO | P\ | 540 | 17.0 | Coadd 5865 | MASTER-SAAO | P\ | 180 | 16.6 | 6064 | MASTER-SAAO | P\ | 180 | 16.7 | 6264 | MASTER-SAAO | P\ | 180 | 16.8 | 6444 | MASTER-SAAO | P\ | 540 | 17.1 | Coadd 6463 | MASTER-SAAO | P\ | 180 | 16.7 | 6663 | MASTER-SAAO | P\ | 180 | 16.9 | 6863 | MASTER-SAAO | P\ | 180 | 16.8 | 7043 | MASTER-SAAO | P\ | 540 | 17.1 | Coadd 7062 | MASTER-SAAO | P\ | 180 | 16.9 | 7262 | MASTER-SAAO | P\ | 180 | 16.7 | 7461 | MASTER-SAAO | P\ | 180 | 16.7 | 7641 | MASTER-SAAO | P\ | 540 | 17.1 | Coadd 7661 | MASTER-SAAO | P\ | 180 | 16.9 | 7861 | MASTER-SAAO | P\ | 180 | 16.7 | 8063 | MASTER-SAAO | P\ | 180 | 16.7 | 8243 | MASTER-SAAO | P\ | 540 | 17.0 | Coadd 8262 | MASTER-SAAO | P\ | 180 | 16.8 | 8462 | MASTER-SAAO | P\ | 180 | 16.5 | 8661 | MASTER-SAAO | P\ | 180 | 16.9 | 8861 | MASTER-SAAO | P\ | 180 | 16.9 | 10099 | MASTER-SAAO | C | 180 | 17.8 | 11220 | MASTER-SAAO | C | 180 | 17.5 | 12316 | MASTER-SAAO | C | 180 | 17.3 | 24194 | MASTER-OAFA | C | 180 | 17.7 | 25113 | MASTER-SAAO | C | 180 | 17.2 | 25275 | MASTER-OAFA | C | 180 | 17.6 | 25313 | MASTER-SAAO | C | 180 | 16.7 | 26432 | MASTER-OAFA | C | 180 | 17.7 | 41004 | MASTER-SAAO | C | 60 | 16.5 | 42044 | MASTER-SAAO | C | 60 | 15.3 | Filter C is a clear (unfiltred) band. The observation and reduction will continue. The message may be cited. ####################################################################################### ####################################################################################### ID = 4465 TYPE = 35 DAYS = 0.1 MASTER-SAAO robotic telescope (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L) located in South Africa (South African Astronomical Observatory) was pointed to the SWIFT GRB210621.71 (trigger No 1057131,15h 55m 14.88s , -54d 03m 46.8s, R=0.05) errorbox 79 sec after trigger time at 2021-06-21 17:05:55 UT, with upper limit up to 17.4 mag. The observations began at zenith distance = 43 deg. The sun altitude is -17.3 deg. The galactic latitude b = -1 deg., longitude l = 328 deg. Real time updated cover map and OT discovered available here: https://master.sai.msu.ru/site/master2/observ.php?id=1641833 We obtain a following upper limits. Tmid-T0 | Site |Filt.| Expt. | Limit| Comment _________|_____________________|_____|_______|______|________ 89 | MASTER-SAAO | P\ | 20 | 15.6 | 114 | MASTER-SAAO | P\ | 70 | 16.1 | Coadd 129 | MASTER-SAAO | P\ | 20 | 16.0 | 173 | MASTER-SAAO | P\ | 30 | 16.1 | 228 | MASTER-SAAO | P\ | 40 | 15.6 | 288 | MASTER-SAAO | P\ | 160 | 16.4 | Coadd 292 | MASTER-SAAO | P\ | 50 | 16.6 | 372 | MASTER-SAAO | P\ | 70 | 16.6 | 466 | MASTER-SAAO | P\ | 80 | 16.5 | 581 | MASTER-SAAO | P\ | 310 | 17.1 | Coadd 576 | MASTER-SAAO | P\ | 100 | 16.4 | 711 | MASTER-SAAO | P\ | 130 | 16.7 | 875 | MASTER-SAAO | P\ | 160 | 16.7 | 1055 | MASTER-SAAO | P\ | 520 | 17.1 | Coadd 1065 | MASTER-SAAO | P\ | 180 | 16.7 | 1264 | MASTER-SAAO | P\ | 180 | 16.9 | 1464 | MASTER-SAAO | P\ | 180 | 16.9 | 1644 | MASTER-SAAO | P\ | 540 | 17.2 | Coadd 1664 | MASTER-SAAO | P\ | 180 | 16.9 | 1863 | MASTER-SAAO | P\ | 180 | 16.9 | 2063 | MASTER-SAAO | P\ | 180 | 16.7 | 2243 | MASTER-SAAO | P\ | 540 | 17.2 | Coadd 2263 | MASTER-SAAO | P\ | 180 | 16.9 | 2462 | MASTER-SAAO | P\ | 180 | 16.9 | 2661 | MASTER-SAAO | P\ | 180 | 16.7 | 2841 | MASTER-SAAO | P\ | 540 | 16.9 | Coadd 2861 | MASTER-SAAO | P\ | 180 | 17.0 | 3072 | MASTER-SAAO | P\ | 180 | 17.0 | 3272 | MASTER-SAAO | P\ | 180 | 17.0 | 3452 | MASTER-SAAO | P\ | 540 | 17.4 | Coadd 3471 | MASTER-SAAO | P\ | 180 | 17.0 | 3670 | MASTER-SAAO | P\ | 180 | 16.7 | 3870 | MASTER-SAAO | P\ | 180 | 16.7 | 4050 | MASTER-SAAO | P\ | 540 | 17.1 | Coadd 4070 | MASTER-SAAO | P\ | 180 | 16.6 | 4269 | MASTER-SAAO | P\ | 180 | 16.9 | 4469 | MASTER-SAAO | P\ | 180 | 16.9 | 4649 | MASTER-SAAO | P\ | 540 | 17.1 | Coadd 4668 | MASTER-SAAO | P\ | 180 | 16.7 | 4867 | MASTER-SAAO | P\ | 180 | 16.7 | 5067 | MASTER-SAAO | P\ | 180 | 16.9 | 5247 | MASTER-SAAO | P\ | 540 | 17.1 | Coadd 5267 | MASTER-SAAO | P\ | 180 | 16.9 | 5466 | MASTER-SAAO | P\ | 180 | 16.8 | 5665 | MASTER-SAAO | P\ | 180 | 16.7 | 5845 | MASTER-SAAO | P\ | 540 | 17.0 | Coadd 5865 | MASTER-SAAO | P\ | 180 | 16.6 | 6064 | MASTER-SAAO | P\ | 180 | 16.7 | 6264 | MASTER-SAAO | P\ | 180 | 16.8 | 6444 | MASTER-SAAO | P\ | 540 | 17.1 | Coadd 6463 | MASTER-SAAO | P\ | 180 | 16.7 | 6663 | MASTER-SAAO | P\ | 180 | 16.9 | 6863 | MASTER-SAAO | P\ | 180 | 16.8 | 7043 | MASTER-SAAO | P\ | 540 | 17.1 | Coadd 7062 | MASTER-SAAO | P\ | 180 | 16.9 | 7262 | MASTER-SAAO | P\ | 180 | 16.7 | 7461 | MASTER-SAAO | P\ | 180 | 16.7 | 7641 | MASTER-SAAO | P\ | 540 | 17.1 | Coadd 7661 | MASTER-SAAO | P\ | 180 | 16.9 | 7861 | MASTER-SAAO | P\ | 180 | 16.7 | 8063 | MASTER-SAAO | P\ | 180 | 16.7 | 8243 | MASTER-SAAO | P\ | 540 | 17.0 | Coadd 8262 | MASTER-SAAO | P\ | 180 | 16.8 | 8462 | MASTER-SAAO | P\ | 180 | 16.5 | 8661 | MASTER-SAAO | P\ | 180 | 16.9 | The observation and reduction will continue. The message may be cited. ####################################################################################### ####################################################################################### ID = 4464 TYPE = 35 DAYS = 0 MASTER-SAAO robotic telescope (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L) located in South Africa (South African Astronomical Observatory) was pointed to the SWIFT GRB210621.71 (trigger No 1057131,15h 55m 14.88s , -54d 03m 46.8s, R=0.05) errorbox 79 sec after trigger time at 2021-06-21 17:05:55 UT, with upper limit up to 16.6 mag. The observations began at zenith distance = 43 deg. The sun altitude is -17.3 deg. The galactic latitude b = -1 deg., longitude l = 328 deg. Real time updated cover map and OT discovered available here: https://master.sai.msu.ru/site/master2/observ.php?id=1641828 We obtain a following upper limits. Tmid-T0 | Site |Filt.| Expt. | Limit| Comment _________|_____________________|_____|_______|______|________ 89 | MASTER-SAAO | P\ | 20 | 15.6 | 129 | MASTER-SAAO | P\ | 20 | 16.0 | 173 | MASTER-SAAO | P\ | 30 | 16.1 | 228 | MASTER-SAAO | P\ | 40 | 15.6 | 292 | MASTER-SAAO | P\ | 50 | 16.6 | 372 | MASTER-SAAO | P\ | 70 | 16.6 | The observation and reduction will continue. The message may be cited. ####################################################################################### ####################################################################################### ID = 4463 TYPE = 35 DAYS = 0 MASTER-SAAO robotic telescope (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L) located in South Africa (South African Astronomical Observatory) was pointed to the SWIFT GRB210621.71 (trigger No 1057131,15h 55m 14.88s , -54d 03m 46.8s, R=0.05) errorbox 79 sec after trigger time at 2021-06-21 17:05:55 UT, with upper limit up to 16.6 mag. The observations began at zenith distance = 43 deg. The sun altitude is -17.3 deg. The galactic latitude b = -1 deg., longitude l = 328 deg. Real time updated cover map and OT discovered available here: https://master.sai.msu.ru/site/master2/observ.php?id=1641828 We obtain a following upper limits. Tmid-T0 | Site |Filt.| Expt. | Limit| Comment _________|_____________________|_____|_______|______|________ 89 | MASTER-SAAO | P\ | 20 | 15.6 | 129 | MASTER-SAAO | P\ | 20 | 16.0 | 173 | MASTER-SAAO | P\ | 30 | 16.1 | 228 | MASTER-SAAO | P\ | 40 | 15.6 | 292 | MASTER-SAAO | P\ | 50 | 16.6 | 372 | MASTER-SAAO | P\ | 70 | 16.6 | The observation and reduction will continue. The message may be cited. ####################################################################################### ####################################################################################### ID = 4462 TYPE = 34 DAYS = 0 MASTER-SAAO robotic telescope (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L) located in South Africa (South African Astronomical Observatory) was pointed to the SWIFT GRB210621.71 (trigger No 1057131,15h 55m 14.88s , -54d 03m 46.8s, R=0.05) errorbox 79 sec after trigger time at 2021-06-21 17:05:55 UT, with upper limit up to 16.6 mag. The observations began at zenith distance = 43 deg. The sun altitude is -17.3 deg. The galactic latitude b = -1 deg., longitude l = 328 deg. Real time updated cover map and OT discovered available here: https://master.sai.msu.ru/site/master2/observ.php?id=1641828 We obtain a following upper limits. Tmid-T0 | Site |Filt.| Expt. | Limit| Comment _________|_____________________|_____|_______|______|________ 89 | MASTER-SAAO | P\ | 20 | 15.6 | 129 | MASTER-SAAO | P\ | 20 | 16.0 | 173 | MASTER-SAAO | P\ | 30 | 16.1 | 228 | MASTER-SAAO | P\ | 40 | 15.6 | 292 | MASTER-SAAO | P\ | 50 | 16.6 | 372 | MASTER-SAAO | P\ | 70 | 16.6 | The observation and reduction will continue. The message may be cited.
MASTER, 2002-2024