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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: 853882;
Presumed name: GRB 180818B
| BAT | 06h 56m 56.40s, +39° 19′ 44.4″ |
|---|---|
| position: | (104.235, 39.329 ± 180″) |
| XRT | 06h 56m 54.10s, +39° 18′ 55.1″ |
| position: | (104.2254, 39.3153 ± 2.3″) |
| UVOT | No position available. |
| Galactic NHI: | 9.37×100 cm-2 |
| Galactic E(B-V): | 0.098 mag |
| Best RA: | 06h 56m 54.10s | = 104.2254 d |
|---|---|---|
| Best Dec: | +39° 18′ 55.1″ | = 39.3153 d |
| Gal Lat: | 17.78 | |
| Gal Long: | 177.25 | |
| Sun angle: | 46.22°, 2.9 hr West | |
1Sper #4 auto processing.
Galaxies within 3.33 of XRT position
| RA* | Dec* | Redshift | Catalogue | Query | ||
|---|---|---|---|---|---|---|
| 28.4 | 104.2333 | 39.3106 | NED |  | ||
| 31.7 | 104.2183 | 39.3083 | NED | | ||
| 44.5 | 104.2262 | 39.3031 | NED | | ||
| 49.4 | 104.2416 | 39.3209 | B1=20.7, B2=20.9, R2=19.0 | USNO-B1 | | |
| 49.5 | 104.2414 | 39.3212 | B1=20.5, R2=19.4 | USNO-B1 | | |
| 52.4 | 104.2274 | 39.3298 | B2=20.7, I=18.7, R2=19.5 | USNO-B1 | | |
| 57.9 | 104.2433 | 39.3072 | NED | | ||
| 63.8 | 104.2483 | 39.3145 | B2=21.6, R1=19.9, R2=19.8 | USNO-B1 | | |
| 64.1 | 104.2484 | 39.3148 | B=21.2, R=20.0 | APM-N | | |
| 69.9 | 104.2033 | 39.3061 | NED | | ||
| 74.0 | 104.2181 | 39.3351 | B2=20.9, R1=20.0, R2=19.1 | USNO-B1 | | |
| 75.4 | 104.2446 | 39.3006 | NED | | ||
| 75.5 | 104.2233 | 39.2944 | B2=20.8, I=18.3, R1=18.8, R2=19.2 | USNO-B1 | | |
| 75.9 | 104.2233 | 39.2943 | B=21.4, R=18.8 | APM-N | | |
| 76.2 | 104.2465 | 39.3288 | B=21.4, R=20.0 | APM-N | | |
| 79.7 | 104.1971 | 39.3114 | NED | | ||
| 79.9 | 104.2538 | 39.3125 | NED | | ||
| 80.3 | 104.2292 | 39.3375 | NED | | ||
| 86.3 | 104.2004 | 39.3294 | NED | | ||
| 86.8 | 104.2471 | 39.3328 | NED | | ||
| 88.1 | 104.2117 | 39.2933 | NED | | ||
| 88.7 | 104.2394 | 39.2932 | R1=20.4, R2=19.8 | USNO-B1 | | |
| 89.2 | 104.2125 | 39.2926 | B2=21.4, R2=20.2 | USNO-B1 | | |
| 89.5 | 104.2500 | 39.2994 | NED | | ||
| 89.6 | 104.2404 | 39.2933 | NED | | ||
| 94.0 | 104.2146 | 39.3400 | NED | | ||
| 94.3 | 104.2017 | 39.2967 | NED | | ||
| 94.8 | 104.2084 | 39.3381 | B2=21.2, I=18.2, R1=19.3 | USNO-B1 | | |
| 95.3 | 104.2300 | 39.3417 | NED | | ||
| 98.1 | 104.2017 | 39.2953 | NED | | ||
| 101.1 | 104.2508 | 39.2952 | R1=20.8, R2=19.8 | USNO-B1 | | |
| 102.2 | 104.2189 | 39.2874 | B=19.8, R=17.0 | APM-N | | |
| 103.4 | 104.2188 | 39.2869 | NED | | ||
| 104.4 | 104.2271 | 39.2864 | NED | | ||
| 106.4 | 104.2633 | 39.3194 | NED | | ||
| 107.3 | 104.2639 | 39.3144 | I=18.6, R1=20.2, R2=19.8 | USNO-B1 | | |
| 107.5 | 104.2636 | 39.3197 | B=21.1, R=20.0 | APM-N | | |
| 109.7 | 104.1875 | 39.3233 | NED | | ||
| 112.2 | 104.2637 | 39.3057 | B2=21.6, R1=20.1, R2=20.3 | USNO-B1 | | |
| 112.6 | 104.1977 | 39.3381 | B2=21.0, I=18.6, R2=19.6 | USNO-B1 | | |
| 115.6 | 104.1839 | 39.3151 | I=17.2, R1=20.1 | USNO-B1 | | |
| 115.7 | 104.2596 | 39.3336 | NED | | ||
| 121.4 | 104.2350 | 39.2824 | B=20.5, R=19.1 | APM-N | | |
| 121.5 | 104.2299 | 39.2817 | I=18.5, R1=19.2, R2=19.8 | USNO-B1 | | |
| 123.6 | 104.2499 | 39.2867 | B=19.9, R=17.6 | APM-N | | |
| 123.8 | 104.2496 | 39.2864 | NED | | ||
| 126.0 | 104.2325 | 39.2807 | B2=21.6, I=18.6, R1=20.6, R2=20.1 | USNO-B1 | | |
| 126.5 | 104.2687 | 39.3261 | NED | | ||
| 127.1 | 104.2325 | 39.2803 | NED | | ||
| 127.9 | 104.2295 | 39.2799 | B=21.4, R=18.9 | APM-N | | |
| 128.5 | 104.2292 | 39.2797 | NED | | ||
| 130.1 | 104.2613 | 39.3386 | NED | | ||
| 133.7 | 104.1925 | 39.2881 | NED | | ||
| 136.7 | 104.2249 | 39.2773 | B2=21.3, R2=20.2 | USNO-B1 | | |
| 141.1 | 104.1925 | 39.3453 | NED | | ||
| 141.6 | 104.1926 | 39.3453 | B=20.7, R=19.2 | APM-N | | |
| 141.7 | 104.1924 | 39.3453 | B1=20.0, B2=19.0, R1=19.1, R2=18.9 | USNO-B1 | | |
| 141.9 | 104.2458 | 39.2792 | NED | | ||
| 142.6 | 104.2104 | 39.2775 | NED | | ||
| 146.2 | 104.2056 | 39.2777 | B2=20.9, I=17.6, R1=19.5, R2=19.0 | USNO-B1 | | |
| 146.6 | 104.2054 | 39.2775 | NED | | ||
| 147.9 | 104.2781 | 39.3101 | B2=21.4, R1=19.6, R2=19.7 | USNO-B1 | | |
| 151.1 | 104.2175 | 39.3567 | NED | | ||
| 152.5 | 104.2446 | 39.3550 | NED | | ||
| 152.6 | 104.2033 | 39.2764 | NED | | ||
| 152.7 | 104.2504 | 39.2775 | NED | | ||
| 153.5 | 104.1946 | 39.3506 | NED | | ||
| 153.7 | 104.1946 | 39.3507 | B1=20.6, B2=20.3, I=15.8, R1=17.9, R2=18.0 | USNO-B1 | | |
| 157.4 | 104.2812 | 39.3219 | NED | | ||
| 158.0 | 104.2642 | 39.2833 | NED | | ||
| 160.5 | 104.1680 | 39.3112 | B=20.3, R=19.4 | APM-N | | |
| 160.9 | 104.1879 | 39.3494 | NED | | ||
| 162.2 | 104.1672 | 39.3134 | I=18.3, R1=20.1 | USNO-B1 | | |
| 162.4 | 104.1938 | 39.3532 | B=20.1, R=19.0 | APM-N | | |
| 162.8 | 104.1892 | 39.3508 | NED | | ||
| 163.3 | 104.2379 | 39.3594 | NED | | ||
| 163.3 | 104.2656 | 39.2823 | I=18.1, R2=19.3 | USNO-B1 | | |
| 163.9 | 104.2655 | 39.2820 | B1=20.3, B2=20.5, R1=20.2, R2=19.5 | USNO-B1 | | |
| 164.6 | 104.2675 | 39.3475 | NED | | ||
| 165.6 | 104.1831 | 39.3476 | B=21.4, R=19.8 | APM-N | | |
| 168.2 | 104.1779 | 39.3442 | NED | | ||
| 171.8 | 104.2504 | 39.2717 | NED | | ||
| 172.6 | 104.2113 | 39.3619 | NED | | ||
| 173.8 | 104.2054 | 39.3611 | NED | | ||
| 175.7 | 104.2658 | 39.3525 | NED | | ||
| 176.5 | 104.2846 | 39.3331 | NED | | ||
| 176.7 | 104.2149 | 39.2669 | B=21.4, R=20.0 | APM-N | | |
| 177.7 | 104.2358 | 39.3639 | NED | | ||
| 178.1 | 104.2366 | 39.3640 | I=17.5, R1=17.7, R2=18.2 | USNO-B1 | | |
| 178.5 | 104.2370 | 39.3641 | B=20.5, R=17.8 | APM-N | | |
| 178.8 | 104.1704 | 39.3408 | NED | | ||
| 180.8 | 104.2317 | 39.3653 | NED | | ||
| 180.8 | 104.2533 | 39.3606 | NED | | ||
| 182.0 | 104.2004 | 39.2686 | NED | | ||
| 185.2 | 104.1800 | 39.2778 | NED | | ||
| 185.2 | 104.2458 | 39.2664 | NED | | ||
| 185.8 | 104.1907 | 39.2712 | B=20.7, R=17.9 | APM-N | | |
| 187.5 | 104.1904 | 39.2708 | NED | | ||
| 187.6 | 104.2855 | 39.3388 | B=21.4, R=19.8 | APM-N | | |
| 187.9 | 104.2529 | 39.2675 | NED | | ||
| 188.1 | 104.2530 | 39.2676 | B2=21.4, I=17.9, R1=19.8, R2=19.6 | USNO-B1 | | |
| 189.6 | 104.1571 | 39.3156 | NED | | ||
| 190.9 | 104.2933 | 39.3081 | NED | | ||
| 191.2 | 104.2650 | 39.2719 | NED | | ||
| 191.3 | 104.2648 | 39.2717 | B1=20.4, B2=19.9, I=17.1, R1=18.3, R2=17.9 | USNO-B1 | | |
| 191.4 | 104.2651 | 39.2719 | B=20.6, R=18.0 | APM-N | | |
| 191.4 | 104.2792 | 39.3483 | NED | | ||
| 191.5 | 104.2225 | 39.2622 | NED | | ||
| 191.8 | 104.2579 | 39.2683 | NED | | ||
| 192.1 | 104.2642 | 39.2711 | NED | | ||
| 193.7 | 104.2407 | 39.2628 | B=21.4, R=19.9 | APM-N | | |
| 193.8 | 104.2896 | 39.2944 | NED | | ||
| 195.9 | 104.1809 | 39.2731 | B=21.2, R=18.1 | APM-N | | |
| 197.2 | 104.1804 | 39.2728 | NED | | ||
| 197.5 | 104.2879 | 39.3411 | NED | | ||
| 198.1 | 104.1950 | 39.2656 | NED | |
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