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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: 1291459
Presumed name: GRB 250225B
| BAT | 20h 24m 34.80s, -41° 29′ 02.4″ |
|---|---|
| position: | (306.145, -41.484 ± 180″) |
| XRT | No position available. |
| UVOT | No position available. |
| Galactic NHI: | 4.10×1020 cm-2 |
| Galactic E(B-V): | 0.052 mag |
| Best RA: | 20h 24m 34.80s | = 306.145 d |
|---|---|---|
| Best Dec: | -41° 29′ 02.4″ | = -41.484 d |
| Gal Lat: | -34.45 | |
| Gal Long: | 359.49 | |
| Sun angle: | 43.49°, 2.2 hr West | |
Observability of this burst for Swift.
UVOT data
No UVOT images are currently available.
XRT SPER data
No SPER data received yet. Refresh this page to check again.
Known transients within 5′ of the GRB
Click on the offset to view the transient announcement.
| Offset (′′) | RA | Dec | Date reported | Source | Misc | Query |
|---|
Catalogue Searches. Searched 200′ around BAT 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 | ||
|---|---|---|---|---|---|
| 141.4 | 306.1817 | -41.5121 | ESO 340-26 | B=14.85, H=11.295, J=11.983, K=10.868, R=13.58 |  |
| 149.3 | 306.1988 | -41.4742 | LEDA 575283 | | |
| 191.6 | 306.2085 | -41.4602 | AT20G J202450-412737 | | |
| 195.3 | 306.0728 | -41.4884 | UCAC2 14314473 | B=13.189, G=11.942627, H=9.870, I=11.17, J=10.377, K=9.740, R=12.02, V=12.200, g=12.680, i=11.645, r=11.881 | |
There are 4 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 | ||
|---|---|---|---|---|---|---|
| 193.3 | 306.2096 | -41.4608 | 0.0517192483 +/- 0.02754205093 | SRG-EROSIT | |
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 | ||
|---|---|---|---|---|---|---|
| 2.2 | 306.1450 | -41.4833 | NED | | ||
| 17.6 | 306.1383 | -41.4836 | NED | | ||
| 25.4 | 306.1525 | -41.4800 | NED | | ||
| 26.2 | 306.1479 | -41.4769 | NED | | ||
| 29.6 | 306.1558 | -41.4856 | NED | | ||
| 34.3 | 306.1323 | -41.4850 | I=17.8, R2=20.8 | USNO-B1 | | |
| 34.4 | 306.1321 | -41.4853 | NED | | ||
| 38.5 | 306.1592 | -41.4842 | NED | | ||
| 42.5 | 306.1500 | -41.4728 | NED | | ||
| 47.0 | 306.1537 | -41.4953 | B2=20.2, I=18.1, R1=19.1, R2=19.5 | USNO-B1 | |
Queried APM-N, SDSS, PSCz, SSS, NED, 2MASSX, USNO-B1.
There are 259 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 | ||
|---|---|---|---|---|---|
| 2.2 | 306.1452 | -41.4834 | h=14.2, j=14.5, k=14.1 | 2MASS | |
| 2.6 | 306.1453 | -41.4833 | B2=16.3, I=14.6, R1=15.3, R2=15.5 | USNO-B1 | |
| 6.8 | 306.1430 | -41.4852 | B2=19.8, I=18.4, R1=19.0, R2=19.5 | USNO-B1 | |
| 34.4 | 306.1324 | -41.4852 | h=15.7, j=16.3, k=15.4 | 2MASS | |
| 43.9 | 306.1305 | -41.4895 | B2=20.7, R2=20.4 | USNO-B1 | |
| 49.1 | 306.1597 | -41.4920 | h=15.0, j=15.5, k=15.1 | 2MASS | |
| 49.3 | 306.1598 | -41.4920 | B2=18.0, I=16.1, R1=16.5, R2=16.7 | USNO-B1 | |
| 55.4 | 306.1652 | -41.4813 | B2=20.7, R1=19.7, R2=20.2 | USNO-B1 | |
| 59.8 | 306.1231 | -41.4812 | B2=17.0, I=15.3, R1=15.8, R2=15.6 | USNO-B1 | |
| 60.2 | 306.1230 | -41.4813 | h=14.6, j=14.9, k=14.7 | 2MASS | |
There are 176 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.