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Swift Trigger: 500914
Presumed name: GRB 110818A
| BAT | 21h 09m 32.16s, -63° 58′ 12.0″ |
|---|---|
| position: | (317.384, -63.970 ± 180″) |
| XRT | 21h 09m 21.05s, -63° 58′ 52.3″ |
| position: | (317.3377, -63.9812 ± 2.0″) |
| UVOT | No position available. |
| Galactic NHI: | 0.00×100 cm-2 |
| Galactic E(B-V): | 0.035 mag |
| Best RA: | 21h 09m 21.05s | = 317.3377 d |
|---|---|---|
| Best Dec: | -63° 58′ 52.3″ | = -63.9812 d |
| Gal Lat: | ||
| Gal Long: | ||
| Sun angle: | 128.58°, -11.3 hr East of Sun | |
1Sper #7 auto processing.
Observability of this burst for Swift.
UVOT data
unknown image
Blink images with DSS (link via GSFC)
XRT SPER data
SPER results page for this trigger.
There are 16 SPER messages, and 1 objects have been found
- Object 1 - enhanced position.
- RA (J2000) : 21 09 21.07 (-63.9813)
- Dec (J2000): -63 58 52.7 ( -63.98079)
- Error (90%): 2.0
- Counts in Source: 890
See the SPER page for details of how this position was produced.
Known transients within 5′ of the GRB
Click on the offset to view the transient announcement.
| Offset (′′) | RA | Dec | Date reported | Source | Misc | Query |
|---|---|---|---|---|---|---|
| 0.1′′ | 317.33767 | -63.98119 | GCN #12284 | GRB 110818A: Optical afterglow and redshift from VLT/X-shooter |  | |
| 0.4′′ | 317.33780 | -63.98130 | GCN #12283 | GRB 110818A: Swift-XRT refined Analysis | | |
| 1.1′′ | 317.33820 | -63.98140 | GCN #12279 | GRB 110818A: Swift detection of a burst | | |
| 1.2′′ | 317.33705 | -63.98105 | GCN #12285 | GRB 110818A: Enhanced Swift-XRT position | | |
| 55.8′′ | 317.37300 | -63.98100 | GCN #12281 | GRB 110818A� Swift-BAT refined analysis | |
There are 12 matches in total. See the full table for details.
Catalogue Searches. Searched 3.33′ around XRT position
Click on the distance to view the full details (not available for sources from the SSS catalogue). Click on the column headers to sort the table on that column (click again to invert sort order).
SIMBAD
| RA* | Dec* | SIMBAD name | Query | ||
|---|---|---|---|---|---|
| 135.3 | 317.4170 | -63.9670 | IRAS F21055-6410 | |
* RA/Dec in equinox J2000
X-ray sources
| RA* | Dec* | Source table2 | Observatory | Query |
|---|
Queried the X-ray MASTER catalogue.
* RA/Dec in equinox J2000
1Energy band for count-rate is mission specific.
Galaxies
| RA* | Dec* | Redshift | Catalogue | Query | ||
|---|---|---|---|---|---|---|
| 73.1 | 317.3334 | -64.0014 | B2=20.5, R1=19.9 | USNO-B1 | | |
| 104.8 | 317.3009 | -64.0054 | B2=19.8, I=18.6, R2=21.4 | USNO-B1 | | |
| 122.8 | 317.3578 | -64.0142 | B2=19.2, I=18.2, R1=18.5, R2=18.6 | USNO-B1 | | |
| 136.3 | 317.4171 | -63.9667 | NED | | ||
| 149.3 | 317.2473 | -63.9691 | B2=18.6, I=18.5, R1=18.4 | USNO-B1 | | |
| 158.9 | 317.2874 | -64.0194 | B=19.1, R2=17.9, i=17.1 | SSS | | |
| 169.1 | 317.3063 | -63.9363 | R1=20.3, R2=20.4 | USNO-B1 | | |
| 169.7 | 317.3928 | -64.0217 | B2=20.2, R2=19.8 | USNO-B1 | | |
| 170.2 | 317.2686 | -64.0175 | B2=15.0, I=13.3, R1=13.6, R2=13.7 | USNO-B1 | | |
| 173.0 | 317.2760 | -64.0209 | B=21.4 | SSS | |
Queried APM-N, SDSS, PSCz, SSS, NED, 2MASSX, USNO-B1.
There are 18 galaxies within the position error. The full list is here.
* 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
Stars
| RA* | Dec* | Catalogue | Query | ||
|---|---|---|---|---|---|
| 12.5 | 317.3316 | -63.9834 | B2=19.8, I=18.7, R1=19.2, R2=19.0 | USNO-B1 | |
| 23.7 | 317.3464 | -63.9758 | B2=19.2, I=18.2, R1=19.1, R2=19.2 | USNO-B1 | |
| 26.7 | 317.3235 | -63.9853 | B2=19.1, I=18.3, R1=18.9, R2=18.9 | USNO-B1 | |
| 28.0 | 317.3297 | -63.9881 | B2=18.8, I=18.8, R1=18.7, R2=18.4 | USNO-B1 | |
| 30.7 | 317.3183 | -63.9806 | B2=19.6, R1=20.0, R2=20.0 | USNO-B1 | |
| 37.3 | 317.3361 | -63.9915 | B2=20.7, R2=21.9 | USNO-B1 | |
| 40.3 | 317.3229 | -63.9903 | B2=18.5, I=15.2, R1=16.2, R2=16.1 | USNO-B1 | |
| 40.4 | 317.3228 | -63.9903 | h=13.6, j=14.2, k=13.4 | 2MASS | |
| 40.9 | 317.3546 | -63.9726 | h=15.6, j=16.4, k=15.3 | 2MASS | |
| 40.9 | 317.3544 | -63.9725 | B2=20.3, I=17.9, R1=19.4, R2=19.2 | USNO-B1 | |
There are 128 stars within the position error. The full list is here.
* 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.