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Swift Trigger: 531223

Presumed name: GRB 120816A

Back to trigger list.

BAT 18h 48m 30.24s, -06° 58′ 44.0″
position:(282.126, -6.9789 ± 180″)
XRT 18h 48m 34.30s, -06° 56′ 17.5″
position:(282.1429, -6.9382 ± 2.2″)
UVOT No position available.
Galactic NHI:3.74×1021 cm-2
Galactic E(B-V):NED unavailable
Best RA:18h 48m 34.30s= 282.1429 d
Best Dec:-06° 56′ 17.5″= -6.9382 d
Gal Lat:-2.52
Gal Long:26.43
Sun angle:135.80°, -9.03 hr East of Sun

1Sper #4 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 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 8 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
1.0′′282.14296-6.93792GCN #13660GRB 120816A: Enhanced Swift-XRT positionVizier logo
2.2′′282.14333-6.93778GCN #13657GRB120816A: OPTIMA discovery of optical counterpartVizier logo
5.5′′282.14429-6.93753GCN #13654GRB 120816A: Swift detection of a burstVizier logo
157.8′′282.13333-6.98100GCN #13659GRB 120816A: 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
130.4282.1605-6.9699TYC 5126-1042-1B=12.28, V=12.14Query vizier around this object
195.8282.0884-6.9329TYC 5126-1139-1B=11.41, V=11.14Query vizier around this object

* RA/Dec in equinox J2000

X-ray sources

RA*Dec* Source table2Observatory Query
149.4282.1554-6.97785.670e-3 +/- 1.300e-38.500e-14WGACATQuery vizier around this object

Queried the X-ray MASTER catalogue.

* RA/Dec in equinox J2000

1Energy band for count-rate is mission specific.


RA*Dec*Redshift CatalogueQuery
3.8282.1429-6.9393B1=20.3, B2=19.8, R2=19.9USNO-B1Query vizier around this object
7.0282.1447-6.9389B1=20.3, B2=19.9, I=26.2, R1=19.3, R2=19.3USNO-B1Query vizier around this object
11.2282.1423-6.9351B1=20.3, B2=19.6, I=19.4, R2=20.0USNO-B1Query vizier around this object
11.9282.1408-6.9408B1=20.2, B2=18.7USNO-B1Query vizier around this object
13.1282.1457-6.9406B1=18.9, B2=16.7, I=14.9, R1=16.1, R2=15.5USNO-B1Query vizier around this object
13.3282.1462-6.9399B1=20.1, B2=17.8, I=17.3USNO-B1Query vizier around this object
14.1282.1457-6.9410B1=20.0, B2=17.4, I=15.6USNO-B1Query vizier around this object
17.5282.1405-6.9424B1=19.0, B2=19.9, I=16.5, R2=19.8USNO-B1Query vizier around this object
17.9282.1397-6.9344B2=19.8, R2=21.6USNO-B1Query vizier around this object
18.0282.1429-6.9332B1=20.3, I=17.8, R2=17.1USNO-B1Query vizier around this object


There are 1139 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
7.5282.1410-6.9372B1=19.5, B2=18.6, I=17.1, R1=18.2USNO-B1Query vizier around this object
9.8282.1403-6.9373I=17.6, R1=18.1USNO-B1Query vizier around this object
11.9282.1438-6.9350h=11.9, j=12.6, k=11.72MASSQuery vizier around this object
12.4282.1443-6.9351B1=16.6, I=13.0, R2=15.3USNO-B1Query vizier around this object
12.5282.1456-6.9404h=14.1, j=14.6, k=14.02MASSQuery vizier around this object
13.0282.1393-6.9374B1=20.1, B2=18.2, I=16.2, R1=17.5, R2=17.0USNO-B1Query vizier around this object
13.3282.1418-6.9417B1=20.1, B2=18.6, R2=15.8USNO-B1Query vizier around this object
13.4282.1392-6.9374h=14.3, j=15.0, k=14.22MASSQuery vizier around this object
13.7282.1420-6.9419B1=18.4, B2=17.5, I=14.8, R1=16.0, R2=16.5USNO-B1Query vizier around this object
13.7282.1421-6.9419h=12.5, j=13.1, k=12.32MASSQuery vizier around this object

Queried USNO-B1, SDSS, 2MASS.

There are 1996 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.