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Swift Trigger: 848890

Presumed name: GRB 180720B

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BAT 00h 02m 07.20s, -02° 55′ 58.8″
position:(0.530, -2.933 ± 180″)
XRT 00h 02m 06.70s, -02° 55′ 01.2″
position:(0.5279, -2.9170 ± 5.0″)
UVOT No position available.
Galactic NHI:3.48×100 cm-2
Galactic E(B-V):0.037 mag
Best RA:00h 02m 06.70s= 0.5279 d
Best Dec:-02° 55′ 01.2″= -2.9170 d
Gal Lat:-63.07
Gal Long:94.84
Sun angle:118.21°, 7.9 hr West

1Sper #0 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.

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′′0.52790-2.91700GCN #22973GRB 180720A: Swift detection of a burstVizier logo
5.0′′0.52925-2.91728GCN #23037GRB 180720B: AMI-LA 15.5 GHz observationVizier logo
5.5′′0.52883-2.91822GCN #23023GRB 180720B: MASTER Global Net OT observations Vizier logo
7.3′′0.52860-2.91890GCN #22984GRB 180720A: Swift-XRT refined AnalysisVizier logo
28.8′′0.52800-2.92500GCN #22998GRB 180720B: Swift-BAT refined analysisVizier logo
221.8′′0.58000-2.95000GCN #22980GRB 180720B : Fermi-LAT detectionVizier 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
155.10.5500-2.8800PHL 2556B=17.6Query vizier around this object
199.70.4808-2.9464LEDA 1079379Query 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
29.20.5200-2.9154B=22.2SSSQuery vizier around this object
44.60.5294-2.9047I=18.6, R1=19.8USNO-B1Query vizier around this object
75.30.5075-2.9124B=22.2SSSQuery vizier around this object
81.60.5302-2.8945B=21.4, R2=20.4SSSQuery vizier around this object
83.70.5451-2.9327B=20.4, R2=18.8SSSQuery vizier around this object
88.90.5204-2.8933-0.000588NEDQuery vizier around this object
90.80.5166-2.9395h=14.8, j=15.6, k=14.22MASSQuery vizier around this object
90.90.5167-2.9394NEDQuery vizier around this object
101.40.5326-2.8892I=18.4, R1=19.4USNO-B1Query vizier around this object
113.00.4985-2.9059B=22.2SSSQuery vizier around this object


There are 27 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
30.90.5310-2.9250B1=19.6, R1=18.7USNO-B1Query vizier around this object
31.80.5308-2.9254B1=19.0, B2=17.6, I=18.0, R1=18.5, R2=17.1USNO-B1Query vizier around this object
32.40.5310-2.9255B1=18.4, I=18.0, R1=17.8USNO-B1Query vizier around this object
38.10.5268-2.9065B1=20.5, B2=19.6, R1=19.3, R2=19.1USNO-B1Query vizier around this object
44.80.5288-2.9294B2=21.0, R2=18.7USNO-B1Query vizier around this object
51.20.5359-2.9288B2=22.0, I=18.4, R1=19.6, R2=20.0USNO-B1Query vizier around this object
51.90.5259-2.9313B1=20.2, B2=20.2, R2=19.4USNO-B1Query vizier around this object
52.90.5288-2.9317B1=13.2, B2=12.9, I=11.9, R1=12.1, R2=12.7USNO-B1Query vizier around this object
52.90.5287-2.9317h=11.2, j=11.5, k=11.12MASSQuery vizier around this object
57.90.5433-2.9218B1=18.7, B2=18.7, I=18.2, R1=18.5, R2=18.1USNO-B1Query vizier around this object

Queried USNO-B1, SDSS, 2MASS.

There are 72 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.