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Swift Trigger: 553977

Presumed name: GRB 130420A

Back to trigger list.

BAT 13h 04m 24.00s, +59° 25′ 26.4″
position:(196.100, +59.424 ± 180″)
XRT 13h 04m 25.56s, +59° 25′ 27.8″
position:(196.1065, 59.4244 ± 2.0″)
UVOT 13h 04m 25.56s, +59° 25′ 26.8″
position:(196.1065, +59.4241 ± 0.8″)
Galactic NHI:1.26×1020 cm-2
Galactic E(B-V):NED unavailable
Best RA:13h 04m 25.56s= 196.1065 d
Best Dec:+59° 25′ 26.8″= +59.4241 d
Gal Lat:57.63
Gal Long:119.85
Sun angle:108.38°, -11.2 hr East of Sun

1Sper #14 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 14 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
0.0′′196.1065059.42411GCN #14428GRB 130420A: ISON-NM optical observationsVizier logo
0.1′′196.1065459.42408GCN #14405GRB 130420A: Faulkes Telescope North candidateVizier logo
0.2′′196.1065459.42414GCN #14406GRB 130420A: Swift detection of a burst with an optical counterpartVizier logo
0.3′′196.1064659.42419GCN #14424GRB 130420A: Swift/UVOT DetectionVizier logo
0.5′′196.1062659.42406GCN #14416GRB 130420A: Enhanced Swift-XRT positionVizier logo
0.6′′196.1062959.42422GCN #14410GRB 130420A: T21 optical observationsVizier logo
0.6′′196.1062559.42422GCN #14407GRB 130420A: ROTSE-III Detection of Optical Counterpart Vizier logo
23.2′′196.1179259.42133GCN #14419GRB 130420A� Swift-BAT refined analysisVizier logo
144.7′′196.0275059.42367GCN #14427Skynet/GORT observations of GRB130420AVizier logo

There are 15 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
95.5196.139659.4039NVSS J130433+592413Query vizier around this object
134.8196.134159.4591GD 323B=14.39, H=15.060, J=14.977, K=15.112, V=14.52Query vizier around this object

* RA/Dec in equinox J2000

X-ray sources

RA*Dec* Source table2Observatory Query
127.8196.132059.45723.163e-3 +/- 1.145e-30.000e+0CMAQuery 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
11.3196.102959.4217Mag=22.2NEDQuery vizier around this object
12.2196.102959.4216R=22.2, g=22.9, i=21.3, u=23.0, z=21.2SDSSQuery vizier around this object
18.5196.100559.4286B=21.1, R=20.0APM-NQuery vizier around this object
19.9196.100859.4289Mag=21.4NEDQuery vizier around this object
24.8196.119559.4263B=22.0, R=19.2APM-NQuery vizier around this object
27.6196.117059.4299R=21.7, g=22.5, i=21.1, u=22.4, z=20.9SDSSQuery vizier around this object
28.4196.117159.4300Mag=22.5NEDQuery vizier around this object
32.8196.122959.4208R=23.0, g=22.5, i=21.4, u=22.0, z=21.7SDSSQuery vizier around this object
33.7196.104859.4337R=21.7, g=23.7, i=21.8, u=22.4, z=21.8SDSSQuery vizier around this object
34.7196.104659.4336Mag=23.6NEDQuery vizier around this object


There are 342 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
16.0196.106059.4200B2=22.0, R1=20.1USNO-B1Query vizier around this object
18.9196.100859.4288I=21.0, R=21.1, g=21.4, u=22.3, z=21.3SDSSQuery vizier around this object
19.5196.100959.4290B1=20.7, B2=21.6USNO-B1Query vizier around this object
19.6196.100659.4289B1=20.6, B2=21.9, R1=20.2USNO-B1Query vizier around this object
36.9196.089659.4300h=14.4, j=14.9, k=14.32MASSQuery vizier around this object
36.9196.089559.4299I=16.0, R=16.3, g=17.0, u=18.8, z=15.9SDSSQuery vizier around this object
37.0196.089659.4300B1=17.5, B2=17.0, I=15.5, R1=16.1, R2=16.2USNO-B1Query vizier around this object
37.7196.087059.4210B2=21.8, R1=20.1USNO-B1Query vizier around this object
42.1196.085659.4196I=22.1, R=23.9, g=23.9, u=24.2, z=21.3SDSSQuery vizier around this object
45.5196.130959.4267I=20.5, R=21.1, g=22.5, u=22.8, z=20.0SDSSQuery vizier around this object

Queried USNO-B1, SDSS, 2MASS.

There are 153 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.