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Databases NED Simbad GCN circulars archive GRB data table Software & Tools Swift Software (HEASoft) Xanadu WebPIMMS Institutional Swift Sites GSFC PSU OAB SSDC MSSL University of Leicester
Swift Trigger: 380311;
Presumed name: GRB 091221
| BAT | 03h 43m 00.96s, +23° 12′ 43.2″ |
|---|---|
| position: | (55.754, 23.212 ± 180″) |
| XRT | 03h 43m 11.59s, +23° 14′ 25.1″ |
| position: | (55.79829, 23.24031 ± 4.2″) |
| UVOT | No position available. |
| Galactic NHI: | 0.00×100 cm-2 |
| Galactic E(B-V): | 0.216 mag |
| Best RA: | 03h 43m 11.59s | = 55.79829 d |
|---|---|---|
| Best Dec: | +23° 14′ 25.1″ | = 23.24031 d |
| Gal Lat: | ||
| Gal Long: | ||
| Sun angle: | not found | |
Galaxies within 3.33 of XRT position
| RA* | Dec* | Redshift | Catalogue | Query | ||
|---|---|---|---|---|---|---|
| 4.1 | 55.7975 | 23.2411 | NED |  | ||
| 10.3 | 55.8002 | 23.2381 | B2=21.8, I=18.7, R1=19.4 | USNO-B1 | | |
| 25.9 | 55.7936 | 23.2345 | B2=21.9, I=18.8, R2=21.0 | USNO-B1 | | |
| 26.6 | 55.7939 | 23.2465 | B2=21.2, R1=19.8, R2=19.4 | USNO-B1 | | |
| 52.6 | 55.8088 | 23.2512 | B=20.6, R=18.4 | APM-N | | |
| 59.4 | 55.8010 | 23.2240 | I=17.0, R1=19.9 | USNO-B1 | | |
| 60.8 | 55.8156 | 23.2459 | B=21.1, R=19.9 | APM-N | | |
| 63.8 | 55.7790 | 23.2397 | B=20.8, R=20.0 | APM-N | | |
| 65.4 | 55.8167 | 23.2470 | B=21.1, R=19.8 | APM-N | | |
| 68.8 | 55.7991 | 23.2594 | B=21.1, R=20.0 | APM-N | | |
| 69.3 | 55.8095 | 23.2566 | B2=20.4, I=18.6 | USNO-B1 | | |
| 73.4 | 55.7798 | 23.2516 | B=21.1, R=19.7 | APM-N | | |
| 77.1 | 55.8072 | 23.2205 | B=21.1, R=20.0 | APM-N | | |
| 79.0 | 55.7791 | 23.2272 | B=21.1, R=20.0 | APM-N | | |
| 79.3 | 55.7831 | 23.2573 | B=21.1, R=19.9 | APM-N | | |
| 81.8 | 55.7970 | 23.2176 | B=19.2, R=17.7 | APM-N | | |
| 82.0 | 55.7789 | 23.2544 | B=20.8, R=20.0 | APM-N | | |
| 83.3 | 55.8053 | 23.2625 | B=21.1, R=19.6 | APM-N | | |
| 87.0 | 55.8208 | 23.2528 | B=21.1, R=19.8 | APM-N | | |
| 88.6 | 55.7878 | 23.2630 | B=21.1, R=19.7 | APM-N | | |
| 88.8 | 55.7875 | 23.2177 | B2=20.5, I=17.8, R2=19.6 | USNO-B1 | | |
| 88.9 | 55.7877 | 23.2630 | I=19.0, R1=19.9 | USNO-B1 | | |
| 89.6 | 55.7712 | 23.2412 | B=21.1, R=19.9 | APM-N | | |
| 92.6 | 55.8263 | 23.2409 | I=18.5, R2=20.6 | USNO-B1 | | |
| 98.7 | 55.7715 | 23.2525 | B=21.1, R=20.0 | APM-N | | |
| 99.0 | 55.7749 | 23.2232 | B1=19.2, B2=21.3, I=18.5, R2=19.2 | USNO-B1 | | |
| 101.8 | 55.8140 | 23.2646 | B=21.0, R=20.0 | APM-N | | |
| 103.6 | 55.8296 | 23.2395 | B2=21.4, I=18.6, R1=19.8, R2=19.9 | USNO-B1 | | |
| 103.8 | 55.8295 | 23.2435 | B2=20.4, I=19.0, R2=20.9 | USNO-B1 | | |
| 103.8 | 55.8295 | 23.2372 | B2=21.9, I=19.1, R2=20.0 | USNO-B1 | | |
| 103.9 | 55.8065 | 23.2682 | B=21.1, R=19.8 | APM-N | | |
| 105.4 | 55.8298 | 23.2446 | B2=21.1, R2=19.8 | USNO-B1 | | |
| 115.0 | 55.8093 | 23.2706 | B2=20.3, R2=20.4 | USNO-B1 | | |
| 115.3 | 55.8093 | 23.2707 | B=21.1, R=19.8 | APM-N | | |
| 117.0 | 55.7899 | 23.2087 | B1=20.9, B2=21.9 | USNO-B1 | | |
| 120.5 | 55.8132 | 23.2098 | I=19.1, R2=19.4 | USNO-B1 | | |
| 123.6 | 55.7610 | 23.2413 | B=21.1, R=19.9 | APM-N | | |
| 124.1 | 55.8008 | 23.2747 | I=18.8, R2=19.5 | USNO-B1 | | |
| 127.8 | 55.7751 | 23.2687 | B=21.1, R=19.7 | APM-N | | |
| 131.1 | 55.8302 | 23.2187 | B=21.1, R=19.9 | APM-N | | |
| 134.3 | 55.8208 | 23.2714 | B=21.1, R=19.6 | APM-N | | |
| 139.0 | 55.8194 | 23.2069 | B=21.1, R=19.5 | APM-N | | |
| 147.9 | 55.8108 | 23.2797 | B=20.9, R=20.0 | APM-N | | |
| 149.3 | 55.7935 | 23.2815 | I=19.2, R1=19.5, R2=19.4 | USNO-B1 | | |
| 149.4 | 55.8109 | 23.2005 | B=21.1, R=19.1 | APM-N | | |
| 149.8 | 55.7974 | 23.2819 | B=21.1, R=19.9 | APM-N | | |
| 150.3 | 55.7943 | 23.2819 | B=21.1, R=19.7 | APM-N | | |
| 151.2 | 55.7864 | 23.2809 | B2=19.6, R2=19.5 | USNO-B1 | | |
| 157.4 | 55.8439 | 23.2278 | B=21.1, R=19.9 | APM-N | | |
| 157.6 | 55.7545 | 23.2230 | B=21.1, R=19.9 | APM-N | | |
| 160.5 | 55.7504 | 23.2477 | B2=21.7, R2=19.6 | USNO-B1 | | |
| 164.9 | 55.8468 | 23.2299 | B=21.1, R=19.6 | APM-N | | |
| 166.8 | 55.8417 | 23.2167 | B=21.0, R=20.0 | APM-N | | |
| 166.9 | 55.8220 | 23.1994 | B1=21.1, R1=19.8, R2=18.6 | USNO-B1 | | |
| 168.7 | 55.8337 | 23.2066 | B=21.1, R=19.9 | APM-N | | |
| 169.6 | 55.8472 | 23.2261 | B2=19.7, R2=18.7 | USNO-B1 | | |
| 170.1 | 55.7898 | 23.2869 | B=21.1, R=19.7 | APM-N | | |
| 170.9 | 55.7530 | 23.2632 | B=21.0, R=20.0 | APM-N | | |
| 171.2 | 55.8314 | 23.2769 | B1=20.6, B2=20.2, I=18.2, R2=18.9 | USNO-B1 | | |
| 172.9 | 55.8402 | 23.2690 | B=13.9, R=11.9 | APM-N | | |
| 173.2 | 55.7607 | 23.2738 | B=21.1, R=19.9 | APM-N | | |
| 175.5 | 55.8036 | 23.2888 | B=21.1, R=19.6 | APM-N | | |
| 175.8 | 55.7456 | 23.2342 | B2=21.3, I=19.2, R2=20.6 | USNO-B1 | | |
| 176.4 | 55.7707 | 23.2822 | B=21.1, R=20.0 | APM-N | | |
| 178.3 | 55.7444 | 23.2380 | B2=21.2, I=19.1, R2=19.8 | USNO-B1 | | |
| 178.6 | 55.8453 | 23.2648 | B2=19.6, I=18.5, R1=19.7, R2=19.1 | USNO-B1 | | |
| 179.6 | 55.8520 | 23.2329 | B=21.1, R=19.4 | APM-N | | |
| 180.0 | 55.7490 | 23.2614 | B=20.9, R=20.0 | APM-N | | |
| 181.3 | 55.8523 | 23.2319 | B2=20.9, R2=18.9 | USNO-B1 | | |
| 182.0 | 55.7575 | 23.2063 | B=21.1, R=20.0 | APM-N | | |
| 182.3 | 55.8526 | 23.2315 | B2=20.5, R2=18.9 | USNO-B1 | | |
| 182.7 | 55.7607 | 23.2031 | B=20.8, R=19.5 | APM-N | | |
| 184.9 | 55.8203 | 23.2875 | B2=20.3, I=18.9 | USNO-B1 | | |
| 188.0 | 55.8489 | 23.2166 | B=21.1, R=19.6 | APM-N | | |
| 188.8 | 55.8492 | 23.2166 | I=18.9, R2=19.5 | USNO-B1 | | |
| 189.6 | 55.8518 | 23.2215 | I=19.1, R2=19.3 | USNO-B1 | | |
| 194.5 | 55.8036 | 23.2941 | B2=20.9, R2=19.2 | USNO-B1 | | |
| 194.7 | 55.7403 | 23.2313 | B=21.1, R=20.0 | APM-N | | |
| 194.8 | 55.8039 | 23.2942 | B2=20.9, R2=20.6 | USNO-B1 | | |
| 194.8 | 55.8037 | 23.2942 | B=21.1, R=19.9 | APM-N | | |
| 197.6 | 55.7469 | 23.2683 | B1=20.9, B2=21.9 | USNO-B1 | | |
| 199.9 | 55.8584 | 23.2465 | B=21.1, R=20.0 | APM-N | |
Queried APM-N, SDSS, PSCz, SSS, NED, 2MASSX, USNO-B1.
* RA/Dec in equinox J2000
Magnitudes depend on the catalogue. e.g. For Sloan, R is the Sloan r mag, not the Johnson R from APM, for example