MASTER Net MASTER Database: GRB250228.17 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 |
| 2025-02-28 03:59:09 (JD 2460734.666076) Siderial time 17.042449 h Ra 06:54:25.68 Dec -41:34:51.60 Rise n/a Transit n/a Set n/a AmurObject: Altitude: -47.37 Azimuth: 283.02 Sun: Altitude: 31.53 Azimuth: 5.19 Moon: Altitude: 30.99 Azimuth: 2.55 TunkaObject: Altitude: -62.70 Azimuth: 262.96 Sun: Altitude: 27.76 Azimuth: 337.56 Moon: Altitude: 26.59 Azimuth: 335.31 KislovodskObject: Altitude: -72.96 Azimuth: 89.30 Sun: Altitude: 1.24 Azimuth: 282.36 Moon: Altitude: -0.80 Azimuth: 281.25 TavridaObject: Altitude: -66.90 Azimuth: 86.64 Sun: Altitude: -4.93 Azimuth: 276.42 Moon: Altitude: -6.97 Azimuth: 275.30 SAAOObject: Altitude: -5.34 Azimuth: 31.95 Sun: Altitude: -5.86 Azimuth: 283.37 Moon: Altitude: -7.34 Azimuth: 285.16 IACObject: Altitude: -23.90 Azimuth: 54.14 Sun: Altitude: -46.83 Azimuth: 249.98 Moon: Altitude: -49.04 Azimuth: 248.93 ArgentinaObject: Altitude: 53.00 Azimuth: 61.66 Sun: Altitude: -48.46 Azimuth: 18.61 Moon: Altitude: -47.20 Azimuth: 21.51 MexicoObject: Altitude: 17.27 Azimuth: 3.15 Sun: Altitude: -35.29 Azimuth: 103.10 Moon: Altitude: -33.75 Azimuth: 101.00 UralObject: Altitude: -74.06 Azimuth: 163.32 Sun: Altitude: 7.10 Azimuth: 296.77 Moon: Altitude: 5.44 Azimuth: 295.14 VostryakovoObject: Altitude: -67.24 Azimuth: 115.68 Sun: Altitude: -3.89 Azimuth: 278.50 Moon: Altitude: -5.68 Azimuth: 277.02 Gal. latitude: -16.839838 Gal. longitude: 251.619102 Dist. to Sun: 107.826785 Dist. to Moon: 105.866287 Moon coord.: (343.286590 d, -8.659753 d) Sun coord.: (341.033721 d, -8.023349 d) Lunar disk: 0.000411 Lunar phase: 177.676138 Lunar bright limb: 285.754952 No SN in this field |
2025-02-28 07:15:48 (JD 2460734.802639) Siderial time 20.328922 h Ra 06:54:25.68 Dec -41:34:51.60 Rise n/a Transit n/a Set n/a AmurObject: Altitude: -19.76 Azimuth: 312.18 Sun: Altitude: 15.56 Azimuth: 55.88 Moon: Altitude: 17.80 Azimuth: 52.55 TunkaObject: Altitude: -33.21 Azimuth: 296.80 Sun: Altitude: 25.18 Azimuth: 32.29 Moon: Altitude: 26.63 Azimuth: 28.27 KislovodskObject: Altitude: -70.67 Azimuth: 272.68 Sun: Altitude: 31.01 Azimuth: 323.08 Moon: Altitude: 29.45 Azimuth: 318.95 TavridaObject: Altitude: -76.72 Azimuth: 262.51 Sun: Altitude: 26.28 Azimuth: 314.97 Moon: Altitude: 24.45 Azimuth: 311.17 SAAOObject: Altitude: -15.92 Azimuth: 356.49 Sun: Altitude: 35.25 Azimuth: 255.69 Moon: Altitude: 31.89 Azimuth: 258.05 IACObject: Altitude: -60.25 Azimuth: 54.76 Sun: Altitude: -4.08 Azimuth: 276.86 Moon: Altitude: -7.40 Azimuth: 274.82 ArgentinaObject: Altitude: 17.53 Azimuth: 51.46 Sun: Altitude: -36.91 Azimuth: 312.06 Moon: Altitude: -39.51 Azimuth: 315.76 MexicoObject: Altitude: 2.32 Azimuth: 36.90 Sun: Altitude: -66.58 Azimuth: 169.41 Moon: Altitude: -65.46 Azimuth: 160.22 UralObject: Altitude: -58.57 Azimuth: 259.39 Sun: Altitude: 23.94 Azimuth: 344.47 Moon: Altitude: 23.53 Azimuth: 340.24 VostryakovoObject: Altitude: -70.31 Azimuth: 234.51 Sun: Altitude: 19.93 Azimuth: 321.70 Moon: Altitude: 18.71 Azimuth: 317.78 Gal. latitude: -16.839838 Gal. longitude: 251.619102 Dist. to Sun: 107.781255 Dist. to Moon: 105.347278 Moon coord.: (345.085623 d, -7.728873 d) Sun coord.: (341.162069 d, -7.971710 d) Lunar disk: 0.001162 Lunar phase: 176.093190 Lunar bright limb: 266.151521 No SN in this field |
2025-02-28 08:15:48 (JD 2460734.844306) Siderial time 21.331660 h Ra 06:54:25.68 Dec -41:34:51.60 Rise n/a Transit n/a Set n/a AmurObject: Altitude: -13.21 Azimuth: 321.70 Sun: Altitude: 7.11 Azimuth: 68.36 Moon: Altitude: 10.13 Azimuth: 65.08 TunkaObject: Altitude: -25.27 Azimuth: 305.94 Sun: Altitude: 19.27 Azimuth: 47.03 Moon: Altitude: 21.67 Azimuth: 43.07 KislovodskObject: Altitude: -59.89 Azimuth: 280.42 Sun: Altitude: 36.22 Azimuth: 339.82 Moon: Altitude: 35.47 Azimuth: 334.44 TavridaObject: Altitude: -66.05 Azimuth: 274.07 Sun: Altitude: 32.76 Azimuth: 330.36 Moon: Altitude: 31.56 Azimuth: 325.33 SAAOObject: Altitude: -13.88 Azimuth: 345.05 Sun: Altitude: 47.13 Azimuth: 243.75 Moon: Altitude: 43.40 Azimuth: 247.13 IACObject: Altitude: -70.37 Azimuth: 42.77 Sun: Altitude: 8.91 Azimuth: 284.09 Moon: Altitude: 5.36 Azimuth: 281.44 ArgentinaObject: Altitude: 7.95 Azimuth: 45.42 Sun: Altitude: -26.57 Azimuth: 299.48 Moon: Altitude: -30.14 Azimuth: 302.44 MexicoObject: Altitude: -6.09 Azimuth: 44.37 Sun: Altitude: -64.81 Azimuth: 205.78 Moon: Altitude: -65.66 Azimuth: 195.40 UralObject: Altitude: -50.42 Azimuth: 272.81 Sun: Altitude: 25.01 Azimuth: 0.76 Moon: Altitude: 25.45 Azimuth: 355.90 VostryakovoObject: Altitude: -62.56 Azimuth: 255.24 Sun: Altitude: 24.28 Azimuth: 337.05 Moon: Altitude: 23.70 Azimuth: 332.25 Gal. latitude: -16.839838 Gal. longitude: 251.619102 Dist. to Sun: 107.767346 Dist. to Moon: 105.185109 Moon coord.: (345.633574 d, -7.442958 d) Sun coord.: (341.201221 d, -7.955947 d) Lunar disk: 0.001498 Lunar phase: 175.563637 Lunar bright limb: 263.039362 No SN in this field |
2025-04-30 03:20:15 (JD 2460795.639063) Siderial time 20.400640 h Ra 06:54:25.68 Dec -41:34:51.60 Rise n/a Transit n/a Set n/a AmurObject: Altitude: -19.26 Azimuth: 312.84 Sun: Altitude: 54.39 Azimuth: 357.65 Moon: Altitude: 55.11 Azimuth: 298.28 TunkaObject: Altitude: -32.61 Azimuth: 297.45 Sun: Altitude: 47.56 Azimuth: 321.36 Moon: Altitude: 40.06 Azimuth: 275.78 KislovodskObject: Altitude: -69.89 Azimuth: 273.31 Sun: Altitude: 12.70 Azimuth: 261.67 Moon: Altitude: 0.04 Azimuth: 230.69 TavridaObject: Altitude: -75.96 Azimuth: 263.65 Sun: Altitude: 6.91 Azimuth: 256.10 Moon: Altitude: -3.80 Azimuth: 224.59 SAAOObject: Altitude: -15.86 Azimuth: 355.65 Sun: Altitude: -22.93 Azimuth: 266.65 Moon: Altitude: -56.14 Azimuth: 268.36 IACObject: Altitude: -61.03 Azimuth: 54.29 Sun: Altitude: -35.49 Azimuth: 222.40 Moon: Altitude: -34.41 Azimuth: 181.59 ArgentinaObject: Altitude: 16.82 Azimuth: 51.07 Sun: Altitude: -66.16 Azimuth: 48.44 Moon: Altitude: -45.51 Azimuth: 97.94 MexicoObject: Altitude: 1.76 Azimuth: 37.48 Sun: Altitude: -16.99 Azimuth: 119.61 Moon: Altitude: 15.56 Azimuth: 112.80 UralObject: Altitude: -57.99 Azimuth: 260.46 Sun: Altitude: 23.50 Azimuth: 279.27 Moon: Altitude: 16.26 Azimuth: 244.70 VostryakovoObject: Altitude: -69.80 Azimuth: 236.35 Sun: Altitude: 11.46 Azimuth: 260.63 Moon: Altitude: 5.35 Azimuth: 227.59 Gal. latitude: -16.839838 Gal. longitude: 251.619102 Dist. to Sun: 82.996716 Dist. to Moon: 75.390575 Moon coord.: (70.402112 d, 27.270168 d) Sun coord.: (37.289565 d, 14.722448 d) Lunar disk: 0.082071 Lunar phase: 146.705348 Lunar bright limb: 254.677702 No SN in this field |
####################################################################################### ####################################################################################### ID = 12161 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 EP250228a ( EP Team et al., GCN 39525) errorbox 229 sec after notice time and 12029 sec after trigger time at 2025-02-28 07:19:38 UT, with upper limit up to 19.2 mag. The observations began at zenith distance = 74 deg. The sun altitude is -36.6 deg. MASTER-SAAO robotic telescope located in South Africa (South African Astronomical Observatory) was pointed to the EP250228a errorbox 38599 sec after notice time and 50399 sec after trigger time at 2025-02-28 17:59:08 UT, with upper limit up to 18.0 mag. Observations started at twilight. The observations began at zenith distance = 15 deg. The sun altitude is -10.0 deg. The galactic latitude b = -17 deg., longitude l = 252 deg. Real time updated cover map and OT discovered available here: https://master.sai.msu.ru/site/master2/observ.php?id=2794721 We obtain a following upper limits. Tmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment _________|_____________________|_____________________|____________________________________|_____|_______|_______|________ 12059 | 2025-02-28 07:19:38 | MASTER-OAFA | (06h 55m 12.36s , -41d 21m 41.5s) | C | 60 | 19.2 | 13036 | 2025-02-28 07:35:55 | MASTER-OAFA | (06h 55m 16.24s , -41d 21m 05.1s) | C | 60 | 18.9 | 50429 | 2025-02-28 17:59:08 | MASTER-SAAO | (06h 53m 31.85s , -41d 47m 52.7s) | C | 60 | 17.6 | 50668 | 2025-02-28 18:03:07 | MASTER-SAAO | (06h 53m 42.07s , -41d 46m 23.8s) | C | 60 | 18.0 | Filter C is a clear (unfiltred) band. The observation and reduction will continue. The message may be cited. ####################################################################################### ####################################################################################### ID = 12156 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 EP250228a ( EP Team et al., GCN 39525) errorbox 229 sec after notice time and 12029 sec after trigger time at 2025-02-28 07:19:38 UT, with upper limit up to 19.2 mag. The observations began at zenith distance = 74 deg. The sun altitude is -36.6 deg. The galactic latitude b = -17 deg., longitude l = 252 deg. Real time updated cover map and OT discovered available here: https://master.sai.msu.ru/site/master2/observ.php?id=2794721 We obtain a following upper limits. Tmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment _________|_____________________|_____________________|____________________________________|_____|_______|_______|________ 12059 | 2025-02-28 07:19:38 | MASTER-OAFA | (06h 55m 12.36s , -41d 21m 41.5s) | C | 60 | 19.2 | Filter C is a clear (unfiltred) band. The observation and reduction will continue. The message may be cited. ####################################################################################### ####################################################################################### ID = 12155 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 EP250228a ( EP Team et al., GCN 39525) errorbox 229 sec after notice time and 12029 sec after trigger time at 2025-02-28 07:19:38 UT, with upper limit up to 19.2 mag. The observations began at zenith distance = 74 deg. The sun altitude is -36.6 deg. The galactic latitude b = -17 deg., longitude l = 252 deg. Real time updated cover map and OT discovered available here: https://master.sai.msu.ru/site/master2/observ.php?id=2794721 We obtain a following upper limits. Tmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment _________|_____________________|_____________________|____________________________________|_____|_______|_______|________ 12059 | 2025-02-28 07:19:38 | MASTER-OAFA | (06h 55m 12.36s , -41d 21m 41.5s) | C | 60 | 19.2 | Filter C is a clear (unfiltred) band. The observation and reduction will continue. The message may be cited. ####################################################################################### ####################################################################################### ID = 12154 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 EP250228a ( EP Team et al., GCN 39525) errorbox 229 sec after notice time and 12029 sec after trigger time at 2025-02-28 07:19:38 UT, with upper limit up to 19.2 mag. The observations began at zenith distance = 74 deg. The sun altitude is -36.6 deg. The galactic latitude b = -17 deg., longitude l = 252 deg. Real time updated cover map and OT discovered available here: https://master.sai.msu.ru/site/master2/observ.php?id=2794721 We obtain a following upper limits. Tmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment _________|_____________________|_____________________|____________________________________|_____|_______|_______|________ 12059 | 2025-02-28 07:19:38 | MASTER-OAFA | (06h 55m 12.36s , -41d 21m 41.5s) | C | 60 | 19.2 | Filter C is a clear (unfiltred) band. The observation and reduction will continue. The message may be cited.
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