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Swift Trigger: 868427
Presumed name: GRB 181023A
| BAT | 16h 33m 18.96s, +19° 33′ 50.4″ |
|---|---|
| position: | (248.329, +19.564 ± 180″) |
| XRT | 16h 33m 18.98s, +19° 34′ 12.0″ |
| position: | (248.3291, 19.5700 ± 2.1″) |
| UVOT | No position available. |
| Galactic NHI: | 4.99×100 cm-2 |
| Galactic E(B-V): | 0.058 mag |
| Best RA: | 16h 33m 18.98s | = 248.3291 d |
|---|---|---|
| Best Dec: | +19° 34′ 12.0″ | = 19.5700 d |
| Gal Lat: | 38.91 | |
| Gal Long: | 36.95 | |
| Sun angle: | 50.81°, -2.7 hr East of Sun | |
1Sper #5 auto processing.
Observability of this burst for Swift.
UVOT data
No UVOT images are currently available.
XRT SPER data
SPER results page for this trigger.
There are 9 SPER messages, and 1 objects have been found
- Object 1 - enhanced position.
- RA (J2000) : 16 33 18.98 (19.5700)
- Dec (J2000): +19 34 12.0 ( 19.57126)
- Error (90%): 2.1
- Counts in Source: 743
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 |
|---|---|---|---|---|---|---|
| 2.6′′ | 248.32871 | 19.57061 | GCN #23369 | GRB 181023A: Enhanced Swift-XRT position |  | |
| 5.5′′ | 248.32979 | 19.57139 | GCN #23366 | GRB 181023A: Swift detection of a burst | | |
| 45.1′′ | 248.32250 | 19.58089 | GCN #23377 | GRB 181023A: Swift-BAT refined analysis | |
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 | ||
|---|---|---|---|---|---|
| 65.8 | 248.3124 | 19.5792 | 2MASS J16331496+1934454 | B=16.4, G=15.2291, H=13.023, J=13.605, K=12.934, R=14.8 | |
| 95.2 | 248.3223 | 19.5444 | GPM 248.322193+19.544644 | B=13.5, G=12.8893, H=11.666, J=11.908, K=11.611, V=13.0 | |
| 105.2 | 248.3072 | 19.5907 | 2MASS J16331374+1935268 | B=16.2, G=15.5911, H=14.061, J=14.395, K=14.012, R=15.1 | |
| 110.5 | 248.3254 | 19.6005 | GPM 248.325384+19.600486 | B=15.1, G=14.6163, H=13.163, J=13.471, K=13.079, V=14.8 | |
| 140.5 | 248.3202 | 19.6081 | Pul -3 1310387 | B=16.6, G=16.6579, H=14.556, J=15.062, K=14.500 | |
| 150.6 | 248.2912 | 19.5918 | 2MASS J16330989+1935307 | B=16.6, G=16.4421, H=14.597, J=14.986, K=14.509 | |
| 159.2 | 248.3682 | 19.5455 | GPM 248.368155+19.545502 | B=15.3, G=14.4325, H=12.615, J=13.092, K=12.568, V=14.7 | |
| 191.8 | 248.3377 | 19.6227 | 2MASS J16332104+1937217 | B=17.0, G=16.5683, H=15.017, J=15.399, K=14.971, R=16.1 | |
| 198.5 | 248.3323 | 19.6251 | 2MASS J16331974+1937303 | B=16.3, G=15.6424, H=14.203, J=14.550, K=14.170, R=15.1 | |
| 198.7 | 248.3851 | 19.5538 | WISEA J163332.35+193313.4 | G=16.3766, H=13.104, J=13.606, K=12.861 | |
There are 10 SIMBAD objects within the position error. The full list is here.
* 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 | ||
|---|---|---|---|---|---|---|
| 2.3 | 248.3297 | 19.5697 | R=21.5, g=22.6, i=21.5, u=22.6, z=21.9 | SDSS | | |
| 10.0 | 248.3299 | 19.5727 | R=21.2, g=23.1, i=20.6, u=23.6, z=20.0 | SDSS | | |
| 16.6 | 248.3327 | 19.5731 | R=21.8, g=22.5, i=21.5, u=23.9, z=21.1 | SDSS | | |
| 23.2 | 248.3225 | 19.5681 | NED | | ||
| 27.6 | 248.3371 | 19.5684 | R=23.0, g=23.6, i=22.0, u=23.5, z=22.2 | SDSS | | |
| 31.7 | 248.3351 | 19.5632 | R=22.9, g=23.3, i=22.9, u=22.6, z=21.5 | SDSS | | |
| 33.3 | 248.3252 | 19.5615 | R=25.0, g=26.4, i=23.7, u=24.0, z=20.5 | SDSS | | |
| 35.7 | 248.3295 | 19.5799 | R=22.7, g=23.1, i=23.0, u=23.5, z=21.8 | SDSS | | |
| 37.5 | 248.3367 | 19.5625 | NED | | ||
| 39.0 | 248.3197 | 19.5762 | R=22.6, g=24.7, i=22.3, u=24.3, z=22.6 | SDSS | |
Queried APM-N, SDSS, PSCz, SSS, NED, 2MASSX, USNO-B1.
There are 352 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 | ||
|---|---|---|---|---|---|
| 12.8 | 248.3301 | 19.5666 | I=19.0, R=19.4, g=20.5, u=22.9, z=18.9 | SDSS | |
| 13.0 | 248.3301 | 19.5665 | B1=21.6, B2=20.8, I=18.5, R1=19.1, R2=19.2 | USNO-B1 | |
| 23.2 | 248.3226 | 19.5680 | h=14.6, j=15.3, k=14.4 | 2MASS | |
| 23.2 | 248.3226 | 19.5679 | I=17.0, R=17.6, g=19.1, u=22.0, z=16.6 | SDSS | |
| 23.3 | 248.3226 | 19.5680 | B1=20.3, B2=19.4, I=16.6, R1=17.2, R2=17.4 | USNO-B1 | |
| 25.0 | 248.3254 | 19.5760 | I=20.6, R=21.2, g=22.7, u=25.5, z=20.0 | SDSS | |
| 25.8 | 248.3324 | 19.5635 | I=21.4, R=22.7, g=24.1, u=25.0, z=21.0 | SDSS | |
| 27.8 | 248.3344 | 19.5759 | I=21.7, R=21.8, g=22.2, u=22.9, z=21.8 | SDSS | |
| 28.6 | 248.3222 | 19.5655 | I=20.1, R=21.3, g=22.6, u=23.8, z=19.5 | SDSS | |
| 31.5 | 248.3211 | 19.5745 | I=21.9, R=23.7, g=24.9, u=24.3, z=21.2 | SDSS | |
There are 392 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.