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Swift Trigger: 662330

Presumed name: GRB 151031A

Back to trigger list.

BAT 05h 32m 47.76s, -39° 05′ 31.2″
position:(83.199, -39.092 ± 180″)
XRT 05h 32m 47.14s, -39° 07′ 18.5″
position:(83.1964, -39.1218 ± 2.1″)
UVOT No position available.
Galactic NHI:2.41×100 cm-2
Galactic E(B-V):0.027 mag
Best RA:05h 32m 47.14s= 83.1964 d
Best Dec:-39° 07′ 18.5″= -39.1218 d
Gal Lat:-31.34
Gal Long:244.14
Sun angle:110.45°, 8.8 hr West

1Sper #5 auto processing.

GCN Notices for this burst.

View this region in Aladin.

Observability of this burst for Swift.

Sun angle for this burst.

UVOT data

UVOT white image

white image

UVOT white image

white image

Blink images with DSS (link via GSFC)


SPER results page for this trigger.

Image of the SPER data

There are 9 SPER messages, and 1 objects have been found

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 DecDate reportedSource MiscQuery
0.7′′83.19629-39.12197GCN #18540GRB 151031A: VLT/X-shooter optical counterpart and redshiftVizier logo
2.1′′83.19596-39.12134GCN #18541GRB 151031A: Enhanced Swift-XRT positionVizier logo
5.5′′83.19533-39.12050GCN #18538GRB 151031A: Swift detection of a burstVizier logo
23.5′′83.18875-39.12453GCN #18542GRB 151031A: Swift-BAT refined analysisVizier logo

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).


RA*Dec*SIMBAD name Query
99.483.1658-39.1359UCAC2 14975674B=12.92, H=9.848, I=11.04, J=10.388, K=9.775, R=11.94, V=12.02, g=12.43, i=11.51, r=11.76Query vizier around this object
139.183.1886-39.1600TYC 7596-433-1B=11.46, H=9.711, J=9.982, K=9.690, V=10.96Query vizier around this object

* RA/Dec in equinox J2000

X-ray sources

RA*Dec* Source table2Observatory Query

Queried the X-ray MASTER catalogue.

* RA/Dec in equinox J2000

1Energy band for count-rate is mission specific.


RA*Dec*Redshift CatalogueQuery
9.383.1946-39.1239NEDQuery vizier around this object
10.383.1945-39.1242B=20.9, R2=19.5SSSQuery vizier around this object
15.783.1992-39.1256B2=17.4, I=16.1, R1=16.5, R2=16.4USNO-B1Query vizier around this object
24.983.1875-39.1222NEDQuery vizier around this object
30.583.2067-39.1192NEDQuery vizier around this object
33.183.2064-39.1267B=22.5SSSQuery vizier around this object
34.283.1842-39.1236NEDQuery vizier around this object
39.883.2100-39.1244NEDQuery vizier around this object
50.283.1821-39.1133NEDQuery vizier around this object
51.983.2029-39.1353NEDQuery vizier around this object


There are 107 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


RA*Dec* CatalogueQuery
10.383.1945-39.1243B2=20.4, R1=19.9, R2=20.0USNO-B1Query vizier around this object
15.683.1992-39.1256h=14.7, j=15.1, k=14.52MASSQuery vizier around this object
33.083.2078-39.1193B2=16.5, I=15.3, R1=16.0, R2=15.5USNO-B1Query vizier around this object
33.183.2078-39.1192h=14.3, j=14.7, k=14.32MASSQuery vizier around this object
35.283.1841-39.1240B2=18.9, I=18.3, R1=19.1, R2=19.1USNO-B1Query vizier around this object
38.383.2096-39.1246B2=18.4, I=17.8, R1=18.4, R2=18.1USNO-B1Query vizier around this object
49.283.1822-39.1137B2=16.6, I=15.8, R1=16.0, R2=15.7USNO-B1Query vizier around this object
49.383.1823-39.1136h=14.6, j=15.0, k=14.72MASSQuery vizier around this object
53.583.2031-39.1357h=15.2, j=15.5, k=15.12MASSQuery vizier around this object
53.583.2031-39.1357B2=17.1, I=16.1, R1=16.8, R2=16.4USNO-B1Query vizier around this object

Queried USNO-B1, SDSS, 2MASS.

There are 157 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.