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Swift Trigger: 843122

Presumed name: GRB 180620A

Back to trigger list.

BAT 18h 39m 31.92s, +23° 15′ 54.0″
position:(279.883, 23.265 ± 180″)
XRT 18h 39m 34.97s, +23° 14′ 38.8″
position:(279.8957, 23.2441 ± 2.0″)
UVOT 18h 39m 35.06s, +23° 14′ 39.5″
position:(279.8961, +23.2443 ± 1.1″)
Galactic NHI:1.07×100 cm-2
Galactic E(B-V):0.143 mag
Best RA:18h 39m 35.06s= 279.8961 d
Best Dec:+23° 14′ 39.5″= +23.2443 d
Gal Lat:12.84
Gal Long:52.69
Sun angle:132.04°, 11.3 hr West

1Sper #7 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 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
0.3′′279.8961723.24436GCN #22798GRB 180620A: Swift detection of a burst with an optical counterpartVizier logo
0.5′′279.8962123.24419GCN #22805GRB 180620A: Swift/UVOT DetectionVizier logo
0.6′′279.8962123.24417GCN #22800GRB 180620A: ISON-MN afterglow confirmationVizier logo
1.3′′279.8964623.24417GCN #22802GRB 180620A: Enhanced Swift-XRT positionVizier logo
27.8′′279.8900023.23900GCN #22815GRB 180620A: Swift-BAT refined analysisVizier logo

There are 11 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
50.2279.910823.2427HD 342692B=12.56, G=11.319, H=9.809, J=10.123, K=9.721, V=11.67Query vizier around this object
151.2279.866223.2762HD 342691B=12.01, G=10.487, H=8.342, J=8.854, K=8.245, V=10.99Query 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
11.5279.892223.2442B1=18.0, B2=17.5, I=16.2, R1=16.6, R2=16.6USNO-B1Query vizier around this object
12.8279.892123.2442NEDQuery vizier around this object
16.1279.899623.2467B1=19.9, B2=19.4, I=18.4, R1=19.0, R2=19.2USNO-B1Query vizier around this object
28.2279.890523.2379B2=20.9, I=18.6, R2=18.4USNO-B1Query vizier around this object
29.9279.900123.2513I=17.9, R2=19.4USNO-B1Query vizier around this object
42.8279.882823.2434I=16.8, R2=19.6USNO-B1Query vizier around this object
43.1279.890323.2332B1=20.1, B2=20.3, R1=19.1, R2=19.4USNO-B1Query vizier around this object
46.0279.896823.2313B2=21.7, R2=20.4USNO-B1Query vizier around this object
47.1279.883723.2371B1=20.5, B2=21.0, R2=20.3USNO-B1Query vizier around this object
48.2279.898523.2573B2=21.4, R2=20.3USNO-B1Query vizier around this object


There are 189 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
10.6279.898923.2436B1=19.7, B2=18.9, I=17.8, R1=18.5, R2=18.2USNO-B1Query vizier around this object
11.4279.892323.2441h=15.2, j=15.6, k=15.22MASSQuery vizier around this object
15.4279.895723.2484B1=20.8, B2=20.4, I=18.7, R1=19.4, R2=19.9USNO-B1Query vizier around this object
19.7279.900323.2406h=16.0, j=16.5, k=15.82MASSQuery vizier around this object
19.7279.900323.2406B1=19.4, B2=18.6, I=17.5, R1=18.0, R2=18.0USNO-B1Query vizier around this object
22.4279.893223.2499B1=20.3, B2=19.8, I=18.7, R1=19.1, R2=19.3USNO-B1Query vizier around this object
22.7279.902523.2445B1=20.2, B2=19.8, R1=19.5, R2=19.0USNO-B1Query vizier around this object
25.1279.901223.2393B1=19.2, B2=19.1, I=18.3, R1=18.6, R2=18.6USNO-B1Query vizier around this object
26.7279.892023.2375B1=20.4, B2=19.2, R1=18.9, R2=18.7USNO-B1Query vizier around this object
26.7279.892523.2373B1=20.4, B2=18.6, I=17.5, R1=18.7, R2=17.2USNO-B1Query vizier around this object

Queried USNO-B1, SDSS, 2MASS.

There are 496 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.