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Swift Trigger: 864584

Presumed name: GRB 180930A

Back to trigger list.

BAT 05h 07m 28.80s, -25° 08′ 16.8″
position:(76.870, -25.138 ± 180″)
XRT 05h 07m 27.24s, -25° 07′ 01.2″
position:(76.8635, -25.1170 ± 2.0″)
UVOT No position available.
Galactic NHI:1.93×100 cm-2
Galactic E(B-V):0.026 mag
Best RA:05h 07m 27.24s= 76.8635 d
Best Dec:-25° 07′ 01.2″= -25.1170 d
Gal Lat:-33.14
Gal Long:226.53
Sun angle:106.42°, 7.3 hr West

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

No UVOT images are currently available.


SPER results page for this trigger.

Image of the SPER data

There are 16 SPER messages, and 2 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
0.7′′76.86330-25.11690GCN #23280GRB 180930A: Prompt enhanced Swift-XRT positionVizier logo
1.1′′76.86317-25.11694GCN #23282GRB 180930A: Enhanced Swift-XRT positionVizier logo
4.0′′76.86229-25.11719GCN #23279GRB 180930A: Swift detection of a burstVizier logo
102.6′′76.89400-25.12400GCN #23286GRB 180930A: 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
84.276.8646-25.1404TYC 6477-830-1B=12.649, G=11.9371, H=10.624, I=11.39, J=10.934, K=10.574, R=11.19, V=11.73, g=12.313, i=11.791, r=11.901Query vizier around this object

* 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
15.576.8588-25.1162B=21.2, R2=19.9, i=19.1SSSQuery vizier around this object
32.276.8574-25.1100B=22.2SSSQuery vizier around this object
33.076.8564-25.1236B=18.7, R2=17.5, i=16.6SSSQuery vizier around this object
33.676.8562-25.1239Mag=18.98NEDQuery vizier around this object
34.476.8562-25.1101B2=21.3, R2=20.4USNO-B1Query vizier around this object
36.076.8555-25.1101B=21.6, R2=20.2SSSQuery vizier around this object
44.976.8654-25.1047B1=21.0, R1=19.7USNO-B1Query vizier around this object
52.076.8791-25.1139B2=19.8, I=17.7, R1=17.8, R2=18.6USNO-B1Query vizier around this object
52.176.8792-25.1139Mag=18.98NEDQuery vizier around this object
52.376.8587-25.1031Mag=18.98NEDQuery vizier around this object


There are 87 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
15.676.8588-25.1160B2=21.2, I=18.8, R1=19.9, R2=20.1USNO-B1Query vizier around this object
33.176.8564-25.1236B1=19.4, B2=17.2, I=16.0, R1=16.5, R2=16.2USNO-B1Query vizier around this object
33.276.8564-25.1236h=15.3, j=15.9, k=14.82MASSQuery vizier around this object
47.276.8589-25.1046B2=21.6, I=18.1, R1=19.1, R2=19.4USNO-B1Query vizier around this object
52.176.8791-25.1139h=15.8, j=16.6, k=15.42MASSQuery vizier around this object
52.376.8587-25.1031h=15.5, j=16.0, k=15.32MASSQuery vizier around this object
52.576.8586-25.1031B1=18.1, B2=17.5, I=16.5, R1=16.7, R2=16.6USNO-B1Query vizier around this object
56.476.8502-25.1070h=15.0, j=15.6, k=14.92MASSQuery vizier around this object
56.576.8502-25.1070B1=20.1, B2=19.1, I=16.6, R1=17.6, R2=17.6USNO-B1Query vizier around this object
64.276.8487-25.1053B2=21.6, I=18.3, R1=19.2, R2=20.4USNO-B1Query vizier around this object

Queried USNO-B1, SDSS, 2MASS.

There are 99 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.