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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: 652603;
Presumed name: GRB 150818A
| BAT | 15h 21m 47.04s, +68° 20′ 31.2″ |
|---|---|
| position: | (230.446, 68.342 ± 180″) |
| XRT | 15h 21m 26.90s, +68° 20′ 40.6″ |
| position: | (230.3621, 68.3446 ± 6.1″) |
| UVOT | No position available. |
| Galactic NHI: | 2.30×100 cm-2 |
| Galactic E(B-V): | 0.024 mag |
| Best RA: | 15h 21m 26.90s | = 230.3621 d |
|---|---|---|
| Best Dec: | +68° 20′ 40.6″ | = 68.3446 d |
| Gal Lat: | 43.18 | |
| Gal Long: | 104.99 | |
| Sun angle: | 75.24°, -5.5 hr East of Sun | |
1Sper #0 auto processing.
Galaxies within 3.33 of XRT position
| RA* | Dec* | Redshift | Catalogue | Query | ||
|---|---|---|---|---|---|---|
| 7.4 | 230.3652 | 68.3429 | B=20.6, R=20.0 | APM-N |  | |
| 33.6 | 230.3576 | 68.3354 | B=21.5, R=18.3 | APM-N | | |
| 34.2 | 230.3576 | 68.3352 | B1=20.6, B2=20.7, I=17.6, R1=18.8, R2=19.0 | USNO-B1 | | |
| 42.8 | 230.3889 | 68.3512 | B=21.5, R=17.4 | APM-N | | |
| 46.9 | 230.3540 | 68.3573 | B2=20.5, R2=20.1 | USNO-B1 | | |
| 51.4 | 230.3235 | 68.3455 | B=21.7, R=19.4 | APM-N | | |
| 60.1 | 230.3276 | 68.3338 | B2=20.3, I=19.1, R2=20.1 | USNO-B1 | | |
| 64.7 | 230.3474 | 68.3275 | B2=20.7, I=18.3, R1=19.2, R2=19.7 | USNO-B1 | | |
| 64.8 | 230.3479 | 68.3274 | B=21.7, R=19.0 | APM-N | | |
| 65.5 | 230.3137 | 68.3478 | NED | | ||
| 65.7 | 230.3127 | 68.3454 | I=18.9, R1=18.2 | USNO-B1 | | |
| 73.0 | 230.4169 | 68.3430 | B=21.7, R=19.0 | APM-N | | |
| 75.7 | 230.3057 | 68.3478 | B2=20.5, R1=19.0 | USNO-B1 | | |
| 88.2 | 230.3588 | 68.3692 | NED | | ||
| 89.9 | 230.3391 | 68.3211 | B=21.7, R=18.9 | APM-N | | |
| 90.8 | 230.3468 | 68.3692 | B=20.7, R=18.1 | APM-N | | |
| 91.2 | 230.3474 | 68.3693 | B=20.8, R=18.0 | APM-N | | |
| 98.9 | 230.2957 | 68.3322 | R1=19.6, R2=20.1 | USNO-B1 | | |
| 99.7 | 230.2950 | 68.3570 | B=19.7, R=17.0 | APM-N | | |
| 99.8 | 230.2952 | 68.3572 | B=19.1, R=16.7 | APM-N | | |
| 103.9 | 230.4307 | 68.3308 | B=19.6, R=16.9 | APM-N | | |
| 105.9 | 230.4219 | 68.3251 | B1=20.7, B2=20.5 | USNO-B1 | | |
| 109.0 | 230.4441 | 68.3437 | I=18.7, R1=19.6, R2=20.1 | USNO-B1 | | |
| 109.8 | 230.4414 | 68.3532 | B2=20.6, R2=20.1 | USNO-B1 | | |
| 119.0 | 230.2725 | 68.3461 | NED | | ||
| 126.3 | 230.4339 | 68.3216 | B2=20.3, I=18.0, R1=19.6, R2=19.9 | USNO-B1 | | |
| 126.6 | 230.4005 | 68.3768 | B1=20.8, R1=19.1, R2=20.1 | USNO-B1 | | |
| 127.0 | 230.4349 | 68.3218 | B=21.7, R=19.7 | APM-N | | |
| 128.3 | 230.2662 | 68.3403 | R1=19.5, R2=19.9 | USNO-B1 | | |
| 130.9 | 230.4517 | 68.3597 | NED | | ||
| 140.5 | 230.3353 | 68.3824 | B2=20.7, I=17.9, R1=19.7, R2=19.2 | USNO-B1 | | |
| 140.6 | 230.3357 | 68.3824 | B=21.7, R=19.3 | APM-N | | |
| 148.0 | 230.4042 | 68.3828 | NED | | ||
| 148.1 | 230.4048 | 68.3826 | B=20.4, R=20.0 | APM-N | | |
| 148.2 | 230.4042 | 68.3827 | B1=19.9, B2=20.7, R2=19.8 | USNO-B1 | | |
| 148.9 | 230.4307 | 68.3773 | R1=20.0, R2=20.1 | USNO-B1 | | |
| 152.3 | 230.4670 | 68.3276 | B=21.0, R=20.0 | APM-N | | |
| 152.3 | 230.4722 | 68.3329 | B=18.0, R=17.2 | APM-N | | |
| 154.8 | 230.3027 | 68.3816 | B1=20.7, I=18.7 | USNO-B1 | | |
| 159.0 | 230.4090 | 68.3040 | B=19.7, R=18.8 | APM-N | | |
| 159.4 | 230.4091 | 68.3039 | B1=19.8, B2=20.5, I=19.1, R1=19.1, R2=19.7 | USNO-B1 | | |
| 161.0 | 230.2918 | 68.3811 | B2=20.6, I=18.4, R1=19.6, R2=19.3 | USNO-B1 | | |
| 163.0 | 230.3359 | 68.3004 | B2=20.7, R1=19.8, R2=20.1 | USNO-B1 | | |
| 169.4 | 230.4737 | 68.3219 | NED | | ||
| 169.9 | 230.4627 | 68.3155 | B=21.5, R=20.0 | APM-N | | |
| 169.9 | 230.3654 | 68.2975 | NED | | ||
| 172.0 | 230.3020 | 68.3023 | B=20.4, R=20.0 | APM-N | | |
| 173.5 | 230.2515 | 68.3702 | B=21.1, R=20.0 | APM-N | | |
| 174.0 | 230.4772 | 68.3677 | I=18.8, R2=19.5 | USNO-B1 | | |
| 175.4 | 230.4783 | 68.3678 | B=21.7, R=19.6 | APM-N | | |
| 175.7 | 230.3592 | 68.2958 | NED | | ||
| 176.3 | 230.2311 | 68.3368 | B1=20.0, I=18.8, R1=16.9 | USNO-B1 | | |
| 176.7 | 230.2312 | 68.3361 | B=19.5, R=17.0 | APM-N | | |
| 177.0 | 230.2310 | 68.3359 | B=20.7, R=17.3 | APM-N | | |
| 177.5 | 230.4314 | 68.3025 | B2=19.6, R1=19.7 | USNO-B1 | | |
| 177.7 | 230.2292 | 68.3506 | NED | | ||
| 177.9 | 230.2290 | 68.3502 | B=17.0, R=16.3 | APM-N | | |
| 178.1 | 230.2288 | 68.3501 | B=18.0, R=16.7 | APM-N | | |
| 184.8 | 230.3542 | 68.3959 | B=21.8, R=19.0 | APM-N | | |
| 186.9 | 230.2897 | 68.3001 | R1=18.6, R2=20.1 | USNO-B1 | | |
| 193.7 | 230.3733 | 68.3983 | NED | | ||
| 193.9 | 230.3732 | 68.3983 | B=19.7, R=18.1 | APM-N | | |
| 194.5 | 230.2173 | 68.3366 | B2=20.6, R1=19.9, R2=20.0 | USNO-B1 | | |
| 195.1 | 230.4240 | 68.3938 | B=20.6, R=19.3 | APM-N | | |
| 195.7 | 230.2509 | 68.3803 | B=21.6, R=20.0 | APM-N | | |
| 198.7 | 230.3028 | 68.2939 | B=18.7, R=17.7 | 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