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Swift Trigger: 813721

Presumed name: GRB 180311A

Back to trigger list.

BAT 00h 13m 43.92s, -54° 28′ 44.4″
position:(3.433, -54.479 ± 180″)
XRT 00h 13m 33.02s, -54° 29′ 29.0″
position:(3.3876, -54.4914 ± 2.1″)
UVOT No position available.
Galactic NHI:1.53×100 cm-2
Galactic E(B-V):0.014 mag
Best RA:00h 13m 33.02s= 3.3876 d
Best Dec:-54° 29′ 29.0″= -54.4914 d
Gal Lat:-61.77
Gal Long:314.59
Sun angle:51.76°, -0.8 hr East of Sun

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 10 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
0.2′′3.38762-54.49144GCN #22470GRB 180311A: Enhanced Swift-XRT positionVizier logo
0.8′′3.38721-54.49139GCN #22469GRB 180311A: Prompt enhanced Swift-XRT positionVizier logo
5.6′′3.39025-54.49161GCN #22468GRB 180311A: Swift detection of a burstVizier logo
17.8′′3.37917-54.49072GCN #22474GRB 180311A� 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
153.83.4569-54.5058TYC 8464-307-1B=12.57, G=11.519, H=10.014, J=10.393, K=9.896, V=11.95Query 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
28.43.3918-54.4989B=21.7SSSQuery vizier around this object
29.03.3912-54.4992NEDQuery vizier around this object
30.43.3994-54.4865B=21.4, R2=20.9SSSQuery vizier around this object
42.33.3677-54.4935B=22.3SSSQuery vizier around this object
62.83.4113-54.4808Mag=19.99NEDQuery vizier around this object
65.83.4142-54.4817B=20.1, R2=19.1SSSQuery vizier around this object
66.53.4146-54.4817Mag=19.0NEDQuery vizier around this object
71.33.3669-54.4757B=20.7SSSQuery vizier around this object
72.43.4217-54.4880B2=20.4, R2=23.4USNO-B1Query vizier around this object
73.03.3649-54.4760B=21.0SSSQuery vizier around this object


There are 61 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
10.33.3863-54.4942R1=20.4, R2=20.7USNO-B1Query vizier around this object
43.63.3979-54.4809B2=20.2, R2=21.8USNO-B1Query vizier around this object
65.73.4142-54.4817B2=20.0, R1=19.4, R2=19.7USNO-B1Query vizier around this object
81.23.4263-54.4933B2=19.2, I=18.5, R1=18.5, R2=18.7USNO-B1Query vizier around this object
83.53.4275-54.4903B2=21.6, I=18.8, R1=19.8, R2=20.1USNO-B1Query vizier around this object
84.73.3521-54.5027R1=20.1, R2=20.7USNO-B1Query vizier around this object
91.23.4306-54.4873B2=21.1, I=18.8, R1=19.5, R2=19.2USNO-B1Query vizier around this object
92.23.3532-54.5074I=18.7, R2=16.6USNO-B1Query vizier around this object
92.73.3552-54.5090h=15.4, j=16.2, k=15.22MASSQuery vizier around this object
92.93.3547-54.5088B2=20.3, I=16.3, R1=18.9USNO-B1Query vizier around this object

Queried USNO-B1, SDSS, 2MASS.

There are 69 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.