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Swift Trigger: 953689

Presumed name: GRB 200131A

Back to trigger list.

BAT 00h 12m 22.80s, +51° 07′ 26.4″
position:(3.095, +51.124 ± 180″)
XRT 00h 12m 22.61s, +51° 06′ 56.9″
position:(3.0942, 51.1158 ± 4.9″)
UVOT 00h 12m 22.56s, +51° 07′ 00.1″
position:(3.0940, +51.1167 ± 0.6″)
Galactic NHI:1.21×100 cm-2
Galactic E(B-V):0.159 mag
Best RA:00h 12m 22.56s= 3.0940 d
Best Dec:+51° 07′ 00.1″= +51.1167 d
Gal Lat:-11.28
Gal Long:116.7
Sun angle:80.97°, -3.3 hr East of Sun

1Sper #0 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

No UVOT images are currently available.


SPER results page for this trigger.

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 DecDate reportedSource MiscQuery
0.1′′3.0940051.11667GCN #26954GRB 200131A: MASTER optical transient detectionVizier logo
0.2′′3.0940451.11675GCN #26962GRB 200131A: Swift/UVOT DetectionVizier logo
0.3′′3.0940451.11678GCN #26953GRB 200131A: Swift detection of a burst with an optical counterpartVizier logo
0.9′′3.0943751.11678GCN #26956GRB 200131A: Enhanced Swift-XRT positionVizier logo
26.4′′3.0950051.12400GCN #26952Swift GRB200131.95: Global MASTER-Net observations report Vizier logo
61.9′′3.0675051.12100GCN #26967GRB 200131A: Swift-BAT refined analysisVizier logo
285.8′′9888843.1833351.06056GCN #25729LIGO/Virgo S190910d and S190910h: No counterpart candidates in KAIT observationsVizier logo

There are 13 matches in total. See the full table for details.

Catalogue Searches. Searched 3.33′ around UVOT 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
96.23.052151.1214LEDA 2388718Query vizier around this object
124.03.089651.0824TYC 3259-1306-1B=11.48, G=11.047, H=9.872, J=10.069, K=9.839, V=11.06Query vizier around this object
163.33.021851.1190TYC 3259-1290-1B=11.61, G=11.2786, H=10.464, J=10.606, K=10.422, V=11.38Query vizier around this object
188.03.176251.1247LEDA 2388777Query vizier around this object

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 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
3.73.094651.1158NEDQuery vizier around this object
17.13.086551.1174B1=20.8, B2=20.4, I=18.0, R1=19.2, R2=19.0USNO-B1Query vizier around this object
23.93.083351.1175NEDQuery vizier around this object
26.93.092151.1094NEDQuery vizier around this object
28.23.082251.1192B1=20.9, B2=20.9, R1=19.2USNO-B1Query vizier around this object
28.73.106351.1150NEDQuery vizier around this object
30.03.088851.1244NEDQuery vizier around this object
35.43.100051.1075NEDQuery vizier around this object
39.13.099251.1269NEDQuery vizier around this object
39.13.077151.1192NEDQuery vizier around this object


There are 337 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
16.93.092151.1212B1=20.7, B2=20.4, R1=19.5, R2=19.7USNO-B1Query vizier around this object
25.63.082851.1179B2=19.8, R1=19.3, R2=19.4USNO-B1Query vizier around this object
26.83.092251.1093B1=19.1, B2=18.4, I=16.9, R1=17.5, R2=17.5USNO-B1Query vizier around this object
26.93.092251.1093h=15.8, j=16.4, k=15.52MASSQuery vizier around this object
29.13.082051.1137B1=20.9, B2=20.4, I=18.5, R1=19.1, R2=19.7USNO-B1Query vizier around this object
29.93.106951.1150B1=16.2, B2=15.2, I=14.3, R1=14.9, R2=14.6USNO-B1Query vizier around this object
30.03.107051.1149h=13.3, j=13.6, k=13.32MASSQuery vizier around this object
35.73.100051.1075B2=20.7, I=18.1, R1=19.0, R2=19.2USNO-B1Query vizier around this object
37.83.077351.1175R1=19.2, R2=19.8USNO-B1Query vizier around this object
39.13.077151.1192h=14.8, j=15.4, k=15.12MASSQuery vizier around this object

Queried USNO-B1, SDSS, 2MASS.

There are 352 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.