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Swift Trigger: 553996

Presumed name: GRB 130420B

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BAT 12h 12m 28.80s, +54° 23′ 09.6″
position:(183.120, +54.386 ± 180″)
XRT No position available.
UVOT No position available.
Galactic NHI:1.45×1020 cm-2
Galactic E(B-V):NED unavailable
Best RA:12h 12m 28.80s= 183.120 d
Best Dec:+54° 23′ 09.6″= +54.386 d
Gal Lat:61.82
Gal Long:134.97
Sun angle:110.63°, -10.3 hr East of Sun

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.

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
0.0′′183.1200054.38600GCN #14411GRB 130420B: Swift detection of a burstVizier logo
23.4′′183.1280454.39053GCN #14421GRB 130420B: Enhanced Swift-XRT positionVizier logo
24.0′′183.1283854.39054GCN #14430GRB 130420B: Swift-XRT refined AnalysisVizier logo
63.6′′183.0950054.37600GCN #14420GRB 130420B� Swift-BAT refined analysisVizier logo

Catalogue Searches. Searched 3.33′ around BAT 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
16.3183.112154.3867Mag=15.3NEDQuery vizier around this object
17.6183.113354.3831Mag=20.7NEDQuery vizier around this object
17.7183.113454.3829R=20.1, g=20.5, i=19.9, u=22.2, z=19.8SDSSQuery vizier around this object
29.4183.106054.3866R=22.2, g=23.3, i=21.4, u=23.1, z=20.4SDSSQuery vizier around this object
29.4183.105854.3867Mag=22.9NEDQuery vizier around this object
38.0183.109754.3773R=22.6, g=23.7, i=21.2, u=24.7, z=20.7SDSSQuery vizier around this object
40.5183.110854.3761Mag=21.5NEDQuery vizier around this object
40.5183.110754.3761R=20.8, g=21.5, i=20.5, u=22.5, z=20.1SDSSQuery vizier around this object
43.3183.099454.3871R=20.8, g=21.5, i=18.1, u=28.8, z=17.3SDSSQuery vizier around this object
43.9183.100154.3822R=22.6, g=22.7, i=21.0, u=23.2, z=21.1SDSSQuery vizier around this object


There are 327 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
12.2183.122954.3831I=22.1, R=23.3, g=25.6, u=23.5, z=21.2SDSSQuery vizier around this object
16.3183.112354.3866h=13.6, j=13.9, k=13.52MASSQuery vizier around this object
16.3183.112354.3866I=14.8, R=14.9, g=15.3, u=16.5, z=14.7SDSSQuery vizier around this object
16.5183.112254.3867B1=16.0, B2=15.5, I=14.6, R1=14.6, R2=14.6USNO-B1Query vizier around this object
17.5183.113354.3831B1=20.8, B2=20.7, R1=19.6, R2=20.1USNO-B1Query vizier around this object
37.1183.134354.3799I=21.5, R=24.1, g=24.3, u=23.4, z=20.5SDSSQuery vizier around this object
38.2183.110354.3770B2=20.9, R1=19.6, R2=20.3USNO-B1Query vizier around this object
39.7183.109454.3768I=23.5, R=24.5, g=25.6, u=23.9, z=20.3SDSSQuery vizier around this object
53.1183.094854.3875h=12.2, j=12.8, k=12.12MASSQuery vizier around this object
53.2183.094854.3875B1=16.0, B2=15.6, I=13.7, R1=13.9, R2=14.0USNO-B1Query vizier around this object

Queried USNO-B1, SDSS, 2MASS.

There are 133 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.