MASTER Net MASTER Database: GRB250421.68 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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MASTER WFC:
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MASTER II: |
General: |
| MASTER observatories and transients from them in error-field |
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MASTER optical transients in this field
Will be published in GCN, ATEL
| Distance | datetime | coord2000 | observatory | camera | links |
| trigger | notice | notice+1hr | now |
| 2025-04-21 16:16:28 (JD 2460787.178102) Siderial time 8.781616 h Ra 11:29:39.12 Dec -24:40:58.80 Rise 2025-04-22 15:39:15 Transit 2025-04-22 18:54:50 Set 2025-04-22 22:10:26 AmurObject: Altitude: 3.32 Azimuth: 43.53 Sun: Altitude: -26.78 Azimuth: 193.48 Moon: Altitude: -17.06 Azimuth: 283.73 TunkaObject: Altitude: 10.48 Azimuth: 22.77 Sun: Altitude: -25.35 Azimuth: 166.85 Moon: Altitude: -32.40 Azimuth: 264.45 KislovodskObject: Altitude: 14.11 Azimuth: 326.78 Sun: Altitude: -3.84 Azimuth: 110.62 Moon: Altitude: -67.73 Azimuth: 190.47 TavridaObject: Altitude: 9.68 Azimuth: 319.93 Sun: Altitude: 2.27 Azimuth: 104.67 Moon: Altitude: -66.76 Azimuth: 169.94 SAAOObject: Altitude: 39.49 Azimuth: 276.79 Sun: Altitude: -2.75 Azimuth: 102.45 Moon: Altitude: -33.35 Azimuth: 19.49 IACObject: Altitude: -15.38 Azimuth: 290.11 Sun: Altitude: 42.18 Azimuth: 80.23 Moon: Altitude: -40.34 Azimuth: 84.55 ArgentinaObject: Altitude: -25.61 Azimuth: 327.36 Sun: Altitude: 46.00 Azimuth: 186.37 Moon: Altitude: 25.72 Azimuth: 79.31 MexicoObject: Altitude: -80.03 Azimuth: 127.55 Sun: Altitude: 43.92 Azimuth: 284.08 Moon: Altitude: 29.23 Azimuth: 33.62 UralObject: Altitude: 6.76 Azimuth: 342.88 Sun: Altitude: -7.24 Azimuth: 125.50 Moon: Altitude: -51.44 Azimuth: 212.72 VostryakovoObject: Altitude: 2.80 Azimuth: 323.79 Sun: Altitude: 2.84 Azimuth: 107.10 Moon: Altitude: -56.37 Azimuth: 179.23 Gal. latitude: 34.517042 Gal. longitude: 281.023983 Dist. to Sun: 142.901290 Dist. to Moon: 119.428048 Moon coord.: (312.377358 d, -21.757868 d) Sun coord.: (29.301877 d, 11.984362 d) Lunar disk: 0.437188 Lunar phase: 97.216826 Lunar bright limb: 73.896904 No SN in this field |
2025-04-22 04:37:22 (JD 2460787.692616) Siderial time 21.163758 h Ra 11:29:39.12 Dec -24:40:58.80 Rise 2025-04-22 15:39:15 Transit 2025-04-22 18:54:50 Set 2025-04-22 22:10:26 AmurObject: Altitude: -40.91 Azimuth: 259.68 Sun: Altitude: 49.22 Azimuth: 26.81 Moon: Altitude: -13.60 Azimuth: 75.93 TunkaObject: Altitude: -54.32 Azimuth: 232.23 Sun: Altitude: 49.96 Azimuth: 349.51 Moon: Altitude: -0.11 Azimuth: 57.72 KislovodskObject: Altitude: -58.97 Azimuth: 118.02 Sun: Altitude: 24.63 Azimuth: 276.78 Moon: Altitude: 26.81 Azimuth: 3.29 TavridaObject: Altitude: -53.00 Azimuth: 109.75 Sun: Altitude: 18.49 Azimuth: 271.07 Moon: Altitude: 25.70 Azimuth: 354.36 SAAOObject: Altitude: -14.55 Azimuth: 47.51 Sun: Altitude: -5.76 Azimuth: 259.24 Moon: Altitude: 68.87 Azimuth: 236.56 IACObject: Altitude: -12.17 Azimuth: 68.34 Sun: Altitude: -24.30 Azimuth: 239.63 Moon: Altitude: 17.95 Azimuth: 304.79 ArgentinaObject: Altitude: 55.87 Azimuth: 92.24 Sun: Altitude: -70.34 Azimuth: 357.88 Moon: Altitude: -4.74 Azimuth: 296.30 MexicoObject: Altitude: 34.19 Azimuth: 356.75 Sun: Altitude: -31.99 Azimuth: 131.76 Moon: Altitude: -60.41 Azimuth: 253.98 UralObject: Altitude: -56.31 Azimuth: 158.32 Sun: Altitude: 31.05 Azimuth: 298.45 Moon: Altitude: 11.75 Azimuth: 19.37 VostryakovoObject: Altitude: -50.15 Azimuth: 126.04 Sun: Altitude: 20.10 Azimuth: 277.78 Moon: Altitude: 15.23 Azimuth: 358.44 Gal. latitude: 34.517042 Gal. longitude: 281.023983 Dist. to Sun: 142.548603 Dist. to Moon: 125.377435 Moon coord.: (319.244825 d, -19.376359 d) Sun coord.: (29.783347 d, 12.158107 d) Lunar disk: 0.382771 Lunar phase: 103.559668 Lunar bright limb: 71.583812 No SN in this field |
2025-04-22 05:37:22 (JD 2460787.734282) Siderial time 22.166496 h Ra 11:29:39.12 Dec -24:40:58.80 Rise 2025-04-22 15:39:15 Transit 2025-04-22 18:54:50 Set 2025-04-22 22:10:26 AmurObject: Altitude: -31.35 Azimuth: 271.80 Sun: Altitude: 43.51 Azimuth: 46.46 Moon: Altitude: -22.58 Azimuth: 86.80 TunkaObject: Altitude: -46.20 Azimuth: 249.53 Sun: Altitude: 49.82 Azimuth: 12.36 Moon: Altitude: -7.94 Azimuth: 68.97 KislovodskObject: Altitude: -67.33 Azimuth: 142.36 Sun: Altitude: 35.20 Azimuth: 288.55 Moon: Altitude: 25.05 Azimuth: 18.38 TavridaObject: Altitude: -62.35 Azimuth: 128.62 Sun: Altitude: 29.07 Azimuth: 282.19 Moon: Altitude: 25.56 Azimuth: 9.53 SAAOObject: Altitude: -23.04 Azimuth: 36.19 Sun: Altitude: 6.48 Azimuth: 251.14 Moon: Altitude: 76.29 Azimuth: 196.58 IACObject: Altitude: -24.70 Azimuth: 74.08 Sun: Altitude: -12.41 Azimuth: 248.68 Moon: Altitude: 27.90 Azimuth: 315.00 ArgentinaObject: Altitude: 43.10 Azimuth: 84.68 Sun: Altitude: -65.61 Azimuth: 320.07 Moon: Altitude: 6.53 Azimuth: 288.54 MexicoObject: Altitude: 33.08 Azimuth: 13.12 Sun: Altitude: -40.40 Azimuth: 146.69 Moon: Altitude: -48.12 Azimuth: 264.41 UralObject: Altitude: -57.61 Azimuth: 183.41 Sun: Altitude: 37.62 Azimuth: 314.36 Moon: Altitude: 8.48 Azimuth: 32.86 VostryakovoObject: Altitude: -56.06 Azimuth: 146.69 Sun: Altitude: 28.35 Azimuth: 291.10 Moon: Altitude: 14.65 Azimuth: 12.58 Gal. latitude: 34.517042 Gal. longitude: 281.023983 Dist. to Sun: 142.519918 Dist. to Moon: 125.857462 Moon coord.: (319.796599 d, -19.170152 d) Sun coord.: (29.822360 d, 12.172140 d) Lunar disk: 0.378375 Lunar phase: 104.078469 Lunar bright limb: 71.411925 No SN in this field |
2025-04-24 11:24:31 (JD 2460789.975359) Siderial time 4.099590 h Ra 11:29:39.12 Dec -24:40:58.80 Rise 2025-04-24 15:31:23 Transit 2025-04-24 18:46:58 Set 2025-04-24 22:02:34 AmurObject: Altitude: 12.71 Azimuth: 340.45 Sun: Altitude: -7.69 Azimuth: 121.06 Moon: Altitude: -43.04 Azimuth: 155.90 TunkaObject: Altitude: 3.77 Azimuth: 319.52 Sun: Altitude: 7.07 Azimuth: 101.93 Moon: Altitude: -32.42 Azimuth: 128.11 KislovodskObject: Altitude: -28.02 Azimuth: 278.36 Sun: Altitude: 47.31 Azimuth: 54.46 Moon: Altitude: 4.93 Azimuth: 77.26 TavridaObject: Altitude: -34.18 Azimuth: 272.17 Sun: Altitude: 51.25 Azimuth: 42.99 Moon: Altitude: 10.52 Azimuth: 70.97 SAAOObject: Altitude: -14.23 Azimuth: 312.15 Sun: Altitude: 43.09 Azimuth: 162.86 Moon: Altitude: 31.64 Azimuth: 104.63 IACObject: Altitude: -76.15 Azimuth: 258.31 Sun: Altitude: 62.44 Azimuth: 298.88 Moon: Altitude: 51.58 Azimuth: 30.63 ArgentinaObject: Altitude: -22.93 Azimuth: 37.27 Sun: Altitude: 3.62 Azimuth: 252.37 Moon: Altitude: 48.70 Azimuth: 238.08 MexicoObject: Altitude: -21.41 Azimuth: 73.29 Sun: Altitude: -16.40 Azimuth: 243.31 Moon: Altitude: 9.48 Azimuth: 282.60 UralObject: Altitude: -19.98 Azimuth: 284.83 Sun: Altitude: 31.18 Azimuth: 63.06 Moon: Altitude: -7.28 Azimuth: 90.75 VostryakovoObject: Altitude: -31.76 Azimuth: 268.15 Sun: Altitude: 41.66 Azimuth: 40.36 Moon: Altitude: 4.86 Azimuth: 72.62 Gal. latitude: 34.517042 Gal. longitude: 281.023983 Dist. to Sun: 140.951246 Dist. to Moon: 149.415429 Moon coord.: (348.812826 d, -5.700047 d) Sun coord.: (31.925757 d, 12.918204 d) Lunar disk: 0.157907 Lunar phase: 133.171621 Lunar bright limb: 66.247564 No SN in this field |
####################################################################################### ####################################################################################### ID = 12446 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) was pointed to the EP250421a ( EP Team et al., GCN 40198) errorbox 2313 sec after notice time and 46767 sec after trigger time at 2025-04-22 05:15:55 UT, with upper limit up to 20.1 mag. The observations began at zenith distance = 43 deg. The sun altitude is -68.7 deg. The galactic latitude b = 35 deg., longitude l = 281 deg. Real time updated cover map and OT discovered available here: https://master.sai.msu.ru/site/master2/observ.php?id=2849886 We obtain a following upper limits. Tmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment _________|_____________________|_____________________|____________________________________|_____|_______|_______|________ 46798 | 2025-04-22 05:15:55 | MASTER-OAFA | (11h 29m 43.36s , -24d 18m 41.7s) | C | 60 | 20.0 | 46990 | 2025-04-22 05:19:08 | MASTER-OAFA | (11h 29m 39.93s , -24d 18m 47.7s) | C | 60 | 20.1 | 47419 | 2025-04-22 05:26:17 | MASTER-OAFA | (11h 29m 42.27s , -24d 18m 20.8s) | C | 60 | 20.1 | 47626 | 2025-04-22 05:29:43 | MASTER-OAFA | (11h 29m 43.14s , -24d 19m 01.3s) | C | 60 | 20.0 | 47822 | 2025-04-22 05:33:00 | MASTER-OAFA | (11h 29m 40.44s , -24d 18m 52.1s) | C | 60 | 20.0 | Filter C is a clear (unfiltred) band. The observation and reduction will continue. The message may be cited. ####################################################################################### ####################################################################################### ID = 12441 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) was pointed to the EP250421a ( EP Team et al., GCN 40198) errorbox 2313 sec after notice time and 46767 sec after trigger time at 2025-04-22 05:15:55 UT, with upper limit up to 20.0 mag. The observations began at zenith distance = 43 deg. The sun altitude is -68.7 deg. The galactic latitude b = 35 deg., longitude l = 281 deg. Real time updated cover map and OT discovered available here: https://master.sai.msu.ru/site/master2/observ.php?id=2849886 We obtain a following upper limits. Tmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment _________|_____________________|_____________________|____________________________________|_____|_______|_______|________ 46798 | 2025-04-22 05:15:55 | MASTER-OAFA | (11h 29m 43.36s , -24d 18m 41.7s) | C | 60 | 20.0 | Filter C is a clear (unfiltred) band. The observation and reduction will continue. The message may be cited. ####################################################################################### ####################################################################################### ID = 12440 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) was pointed to the EP250421a ( EP Team et al., GCN 40198) errorbox 2313 sec after notice time and 46767 sec after trigger time at 2025-04-22 05:15:55 UT, with upper limit up to 20.0 mag. The observations began at zenith distance = 43 deg. The sun altitude is -68.7 deg. The galactic latitude b = 35 deg., longitude l = 281 deg. Real time updated cover map and OT discovered available here: https://master.sai.msu.ru/site/master2/observ.php?id=2849886 We obtain a following upper limits. Tmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment _________|_____________________|_____________________|____________________________________|_____|_______|_______|________ 46798 | 2025-04-22 05:15:55 | MASTER-OAFA | (11h 29m 43.36s , -24d 18m 41.7s) | C | 60 | 20.0 | Filter C is a clear (unfiltred) band. The observation and reduction will continue. The message may be cited. ####################################################################################### ####################################################################################### ID = 12439 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) was pointed to the EP250421a ( EP Team et al., GCN 40198) errorbox 2313 sec after notice time and 46767 sec after trigger time at 2025-04-22 05:15:55 UT, with upper limit up to 20.0 mag. The observations began at zenith distance = 43 deg. The sun altitude is -68.7 deg. The galactic latitude b = 35 deg., longitude l = 281 deg. Real time updated cover map and OT discovered available here: https://master.sai.msu.ru/site/master2/observ.php?id=2849886 We obtain a following upper limits. Tmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment _________|_____________________|_____________________|____________________________________|_____|_______|_______|________ 46798 | 2025-04-22 05:15:55 | MASTER-OAFA | (11h 29m 43.36s , -24d 18m 41.7s) | C | 60 | 20.0 | Filter C is a clear (unfiltred) band. The observation and reduction will continue. The message may be cited.
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