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Swift Trigger: 744773

Presumed name: GRB 170330A

Back to trigger list.

BAT 18h 53m 18.24s, -13° 26′ 13.2″
position:(283.326, -13.437 ± 180″)
XRT 18h 53m 19.39s, -13° 25′ 52.0″
position:(283.3308, -13.4311 ± 2.0″)
UVOT No position available.
Galactic NHI:1.70×100 cm-2
Galactic E(B-V):0.445 mag
Best RA:18h 53m 19.39s= 283.3308 d
Best Dec:-13° 25′ 52.0″= -13.4311 d
Gal Lat:-6.49
Gal Long:21.14
Sun angle:87.31°, -18.25 hr East of Sun

1Sper #6 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

No UVOT images are currently available.


SPER results page for this trigger.

Image of the SPER data

There are 7 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
0.3′′283.33079-13.43103GCN #20945GRB 170330A: Prompt enhanced Swift-XRT positionVizier logo
0.9′′283.33067-13.43089GCN #20959GRB 170330A: Swift/UVOT Detection of a Fading AfterglowVizier logo
1.3′′283.33044-13.43115GCN #20961GRB 170330A: Enhanced Swift-XRT positionVizier logo
6.4′′283.33230-13.43010GCN #20944GRB 170330A: Swift detection of a burstVizier logo
96.8′′283.33100-13.45800GCN #20968GRB 170330A: 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
41.6283.3410-13.4370V* AR SctB=16.1, H=7.138, J=8.115, K=6.731, R=14.300Query vizier around this object
45.2283.3352-13.4429V* AQ SctB=15.2, H=7.733, J=8.666, K=7.300, R=15.100Query vizier around this object
135.1283.3313-13.3936[TGB2011] J185319.5019-132336.892H=10.539, J=11.178, K=10.370, V=14.1Query vizier around this object
157.4283.2963-13.4031[TGB2011] J185311.1190-132411.043H=10.863, J=11.415, K=10.773, V=14.1Query vizier around this object
160.5283.2999-13.3982[TGB2011] J185311.9742-132353.549H=9.937, J=10.767, K=9.713, V=14.6Query vizier around this object
175.4283.3060-13.3888[TGB2011] J185313.4364-132319.475B=11.95, H=9.303, J=9.616, K=9.215, V=11.2Query vizier around this object
198.7283.3401-13.3767[TGB2011] J185321.6341-132236.041H=10.608, J=11.436, K=10.408, V=15.0Query vizier around this object

There are 7 SIMBAD objects within the position error. The full list is here.

* 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
3.7283.3298-13.4312B2=19.3, R1=18.1, R2=17.4USNO-B1Query vizier around this object
10.3283.3285-13.4294B2=20.0, R1=18.7, R2=19.0USNO-B1Query vizier around this object
15.9283.3343-13.4340B2=21.4, R2=19.9USNO-B1Query vizier around this object
20.5283.3338-13.4262B2=17.6, I=15.5, R2=16.7USNO-B1Query vizier around this object
22.0283.3259-13.4349B2=14.6, I=12.3USNO-B1Query vizier around this object
26.9283.3249-13.4359B2=14.8, I=14.4USNO-B1Query vizier around this object
27.3283.3293-13.4385B2=21.0, R1=19.4, R2=19.4USNO-B1Query vizier around this object
28.4283.3379-13.4273B2=19.9, R2=17.9USNO-B1Query vizier around this object
28.6283.3365-13.4254B1=18.0, R2=15.5USNO-B1Query vizier around this object
28.8283.3386-13.4336B2=22.0, R2=20.0USNO-B1Query vizier around this object


There are 560 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
3.3283.3299-13.4313h=15.7, j=16.4, k=15.62MASSQuery vizier around this object
6.2283.3308-13.4294h=15.9, j=16.5, k=15.52MASSQuery vizier around this object
6.2283.3308-13.4294B2=19.8, R1=18.4, R2=18.1USNO-B1Query vizier around this object
8.2283.3291-13.4327B2=20.1, R1=18.4, R2=18.2USNO-B1Query vizier around this object
8.8283.3333-13.4313R1=19.6, R2=19.7USNO-B1Query vizier around this object
9.6283.3321-13.4334B2=21.3, R2=20.3USNO-B1Query vizier around this object
9.8283.3334-13.4301B2=19.8, R1=18.4, R2=18.0USNO-B1Query vizier around this object
11.1283.3312-13.4280B2=19.9, R2=19.4USNO-B1Query vizier around this object
13.1283.3345-13.4310B2=18.6, R1=18.0, R2=17.6USNO-B1Query vizier around this object
13.8283.3347-13.4311h=15.9, j=16.5, k=15.52MASSQuery vizier around this object

Queried USNO-B1, SDSS, 2MASS.

There are 2124 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.