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Swift Trigger: 529686

Presumed name: GRB 120804A

Back to trigger list.

BAT 15h 35m 42.96s, -28° 45′ 39.6″
position:(233.929, -28.761 ± 180″)
XRT 15h 35m 47.38s, -28° 46′ 57.0″
position:(233.9474, -28.7825 ± 2.1″)
UVOT No position available.
Galactic NHI:9.29×1020 cm-2
Galactic E(B-V):NED unavailable
Best RA:15h 35m 47.38s= 233.9474 d
Best Dec:-28° 46′ 57.0″= -28.7825 d
Gal Lat:21.61
Gal Long:341.22
Sun angle:106.37°, -6.6 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 6 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
1.5′′233.94788-28.78242GCN #13587GRB 120804A: EVLA DetectionVizier logo
1.6′′233.94783-28.78228GCN #13586GRB 120804A: Gemini-North observationsVizier logo
1.6′′233.94786-28.78230GCN #13640GRB120804A: Chandra observations and afterglow detectionVizier logo
2.3′′233.94813-28.78247GCN #13577GRB 120804A: Enhanced Swift-XRT positionVizier logo
5.8′′233.94817-28.78103GCN #13573GRB 120804A: Swift detection of a short burstVizier logo
51.8′′233.95042-28.76836GCN #13581GRB 120804A: Swift-BAT refined analysisVizier logo

There are 13 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

* 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
17.7233.9429-28.7854B=22.3SSSQuery vizier around this object
27.2233.9412-28.7772B1=20.3, R2=19.3USNO-B1Query vizier around this object
29.2233.9441-28.7749B2=22.0, R1=19.1USNO-B1Query vizier around this object
31.7233.9461-28.7912B=21.9, i=18.2SSSQuery vizier around this object
37.2233.9384-28.7891B=22.2SSSQuery vizier around this object
41.9233.9376-28.7904B=21.3SSSQuery vizier around this object
44.1233.9379-28.7735B=21.6SSSQuery vizier around this object
45.2233.9617-28.7817B=22.0SSSQuery vizier around this object
53.1233.9590-28.7718B=21.3SSSQuery vizier around this object
53.2233.9598-28.7725B=19.9, R2=17.8, i=17.3SSSQuery vizier around this object


There are 153 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
11.1233.9494-28.7800B2=21.6, R2=19.3USNO-B1Query vizier around this object
11.5233.9500-28.7848h=15.7, j=16.1, k=15.82MASSQuery vizier around this object
11.9233.9500-28.7849B1=18.9, B2=18.6, I=17.1, R1=17.6, R2=17.5USNO-B1Query vizier around this object
15.4233.9448-28.7789B2=20.6, I=18.7, R1=18.9, R2=19.1USNO-B1Query vizier around this object
15.8233.9522-28.7814B1=20.0, B2=20.1, I=18.5, R1=19.0, R2=18.8USNO-B1Query vizier around this object
20.1233.9412-28.7838B1=19.8, B2=19.5, I=18.3, R1=18.4, R2=18.5USNO-B1Query vizier around this object
23.4233.9426-28.7875h=15.4, j=13.1, k=12.22MASSQuery vizier around this object
25.1233.9537-28.7782h=13.2, j=13.8, k=13.12MASSQuery vizier around this object
25.3233.9538-28.7782B1=17.1, B2=17.0, I=14.7, R1=14.9, R2=15.3USNO-B1Query vizier around this object
26.3233.9456-28.7896B2=21.7, I=17.3, R2=18.3USNO-B1Query vizier around this object

Queried USNO-B1, SDSS, 2MASS.

There are 348 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.