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Swift Trigger: 518731

Presumed name: GRB 120327A

Back to trigger list.

BAT 16h 27m 18.72s, -29° 24′ 54.0″
position:(246.828, -29.415 ± 180″)
XRT 16h 27m 27.53s, -29° 24′ 54.7″
position:(246.8647, -29.4152 ± 2.0″)
UVOT 16h 27m 27.46s, -29° 24′ 53.6″
position:(246.8644, -29.4149 ± 0.6″)
Galactic NHI:1.40×1021 cm-2
Galactic E(B-V):0.335 mag
Best RA:16h 27m 27.46s= 246.8644 d
Best Dec:-29° 24′ 53.6″= -29.4149 d
Gal Lat:13.4
Gal Long:349.36
Sun angle:116.66°, 8.0 hr West

1Sper #6 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 u image

u image

UVOT u image

u image

Blink images with DSS (link via GSFC)


SPER results page for this trigger.

Image of the SPER data

There are 7 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′′246.86446-29.41492GCN #13135GRB 120327A: Enhanced Swift-XRT positionVizier logo
0.2′′246.86446-29.41494GCN #13123GRB 120327A: Swift detection of a burst with an optical counterpartVizier logo
0.3′′246.86450-29.41493GCN #13138GRB 120327A: Swift/UVOT further analysisVizier logo
0.4′′246.86442-29.41500GCN #13125GRB 120327A: Liverpool Telescope ObservationsVizier logo
0.8′′246.86417-29.41500GCN #13180GRB120327A - ATCA radio afterglow detection at 34GHzVizier logo
32.1′′246.85417-29.41542GCN #13137GRB 120327A: Swift-BAT refined analysisVizier logo

There are 12 matches in total. See the full table for details.

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
170.1246.8493-29.3699HD 148186B=9.80, H=6.211, J=6.709, K=6.030, V=8.73Query 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
24.0246.8724-29.4153B1=20.0, B2=19.3, I=18.1, R2=19.2USNO-B1Query vizier around this object
24.6246.8568-29.4151B2=19.8, I=18.2, R1=18.3, R2=19.4USNO-B1Query vizier around this object
30.7246.8645-29.4237B2=20.5, R1=18.1USNO-B1Query vizier around this object
31.4246.8744-29.4174B2=19.9, R2=20.0USNO-B1Query vizier around this object
33.2246.8689-29.4237B1=19.6, B2=19.3, I=17.9, R2=18.6USNO-B1Query vizier around this object
33.8246.8590-29.4232B2=18.3, I=17.1, R1=18.3, R2=18.0USNO-B1Query vizier around this object
35.4246.8587-29.4235B2=18.0, I=16.9, R1=18.2USNO-B1Query vizier around this object
40.6246.8629-29.4264B2=18.7, I=16.7, R1=17.6, R2=17.4USNO-B1Query vizier around this object
46.7246.8691-29.4028B1=18.9, I=17.3, R2=18.3USNO-B1Query vizier around this object
49.3246.8493-29.4125I=18.4, R2=19.3USNO-B1Query vizier around this object


There are 145 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
19.6246.8602-29.4114B1=19.0, B2=18.6, I=17.3, R1=17.8, R2=17.6USNO-B1Query vizier around this object
19.8246.8602-29.4113h=16.0, j=16.3, k=15.62MASSQuery vizier around this object
20.0246.8635-29.4207h=15.2, j=15.8, k=15.02MASSQuery vizier around this object
21.2246.8635-29.4210B1=19.4, B2=17.6, I=16.2, R1=17.3, R2=16.6USNO-B1Query vizier around this object
23.8246.8638-29.4086B1=16.7, B2=16.6, I=14.9, R1=15.5, R2=15.4USNO-B1Query vizier around this object
24.0246.8638-29.4086h=13.7, j=14.2, k=13.72MASSQuery vizier around this object
24.1246.8674-29.4089B1=17.3, B2=16.8, I=15.1, R1=15.5, R2=15.6USNO-B1Query vizier around this object
24.6246.8674-29.4088h=13.9, j=14.3, k=13.82MASSQuery vizier around this object
25.6246.8728-29.4152B2=19.7, R2=19.0USNO-B1Query vizier around this object
31.9246.8592-29.4227h=15.7, j=16.6, k=15.22MASSQuery vizier around this object

Queried USNO-B1, SDSS, 2MASS.

There are 618 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.