Skip banner and navigation tools.

 |  site map

Sky images|
UVOT images|
SPER data|

[Hide] [Trigger list]

Swift Trigger: 900730

Presumed name: GRB 190427A

Back to trigger list.

BAT 18h 40m 51.12s, +40° 19′ 19.2″
position:(280.213, +40.322 ± 180″)
XRT No position available.
UVOT No position available.
Galactic NHI:6.06×100 cm-2
Galactic E(B-V):0.069 mag
Best RA:18h 40m 51.12s= 280.213 d
Best Dec:+40° 19′ 19.2″= +40.322 d
Gal Lat:19.05
Gal Long:69.25
Sun angle:98.44°, 7.6 hr West

GCN Notices for this burst.

View this region in Aladin.

Observability of this burst for Swift.

Sun angle for this burst.

UVOT data

No UVOT images are currently available.


SPER results page for this trigger.

Image of the SPER data

There are 1 SPER messges, but no object has been found.

See the SPER page for details of how the SPER image is searched for objects.

Known transients within 5′ of the GRB

Click on the offset to view the transient announcement.

Offset (′′)RA DecDate reportedSource MiscQuery
0.0′′280.2130040.32200GCN #24261GRB 190427A: Swift detection of a short burstVizier logo
0.0′′280.2130040.32200GCN #24263Swift GRB190427.19 Global MASTER-Net observations report Vizier logo
64.4′′280.2166740.30433GCN #24330GRB 190427A� 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
30.3280.222540.3177I=18.3, R2=19.9USNO-B1Query vizier around this object
36.2280.206840.3131B1=20.7, B2=21.3USNO-B1Query vizier around this object
39.1280.215440.3114NEDQuery vizier around this object
39.8280.214240.3111NEDQuery vizier around this object
49.4280.205040.3097NEDQuery vizier around this object
53.6280.194040.3254B1=18.9, B2=18.2, I=16.9, R1=17.6, R2=17.0USNO-B1Query vizier around this object
54.1280.229440.3303B=20.6, R=18.6APM-NQuery vizier around this object
62.3280.229240.3342NEDQuery vizier around this object
63.6280.196940.3347B1=20.7, B2=20.9, I=18.3, R1=18.3, R2=19.1USNO-B1Query vizier around this object
63.7280.197040.3348B=22.1, R=19.0APM-NQuery vizier around this object


There are 151 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
25.8280.204240.3195B1=20.8, B2=20.7, R2=19.8USNO-B1Query vizier around this object
26.0280.221140.3258B1=19.2, B2=18.5, I=17.8, R1=17.5, R2=17.7USNO-B1Query vizier around this object
27.5280.206940.3160B1=20.3, B2=19.6, I=18.3, R1=18.5, R2=19.2USNO-B1Query vizier around this object
33.5280.218440.3137B2=20.5, R1=19.1USNO-B1Query vizier around this object
39.1280.215640.3113h=15.6, j=15.7, k=15.02MASSQuery vizier around this object
39.4280.215040.3112B1=17.1, B2=16.4, I=15.4, R1=15.4, R2=15.4USNO-B1Query vizier around this object
39.8280.214340.3110h=16.0, j=16.1, k=15.32MASSQuery vizier around this object
40.6280.227840.3225B2=21.7, R2=20.3USNO-B1Query vizier around this object
40.7280.199940.3167B1=20.1, B2=19.7, I=18.1, R1=18.4, R2=19.0USNO-B1Query vizier around this object
41.4280.226640.3170B2=21.6, R1=19.4, R2=20.1USNO-B1Query vizier around this object

Queried USNO-B1, SDSS, 2MASS.

There are 249 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.