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Swift Trigger: 1093860

Presumed name: GRB 220218A

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BAT 08h 55m 19.20s, +31° 59′ 02.4″
position:(133.830, +31.984 ± 180″)
XRT No position available.
UVOT No position available.
Galactic NHI:2.01×1020 cm-2
Galactic E(B-V):0.026 mag
Best RA:08h 55m 19.20s= 133.830 d
Best Dec:+31° 59′ 02.4″= +31.984 d
Gal Lat:39.05
Gal Long:192.4
Sun angle:153.52°, -10.8 hr East of Sun

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.


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′′133.8300031.98400GCN #31607Swift GRB220218.94: Global MASTER-Net observations report Vizier logo
0.0′′133.8300031.98400GCN #31608GRB 220218A: Swift detection of a burstVizier logo

Catalogue Searches. Searched 200′ 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
53.7133.829131.9989SDSS J085518.98+315956.2G=18.879343, H=14.680, J=15.213, K=14.423, g=20.549, i=17.427, r=18.889, u=24.119, z=16.629Query vizier around this object
54.0133.822731.9703TYC 2485-414-1B=13.27, G=12.298220, H=11.094, J=11.377, K=11.065, V=12.16Query vizier around this object
68.5133.849831.9929SDSS J085523.95+315934.6G=20.318380, g=20.5242, i=20.184, r=20.4559, u=21.4377, z=19.8047Query vizier around this object
151.2133.781631.9929FIRST J085507.5+315934Query vizier around this object
193.6133.893431.9852SDSS J085534.41+315906.6g=21.35, i=19.27, r=20.20, u=22.2, z=18.74Query vizier around this object

There are 5 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
9.6133.828931.9865R=21.7, g=23.9, i=21.4, u=23.9, z=21.3SDSSQuery vizier around this object
9.6133.828731.9864Mag=23.4NEDQuery vizier around this object
17.4133.825831.9806Mag=17.8NEDQuery vizier around this object
18.7133.831331.9789Mag=22.6NEDQuery vizier around this object
24.4133.837131.9869NEDQuery vizier around this object
24.5133.828731.9772Mag=21.1NEDQuery vizier around this object
25.2133.831831.9772R=21.4, g=22.8, i=21.2, u=23.7, z=21.0SDSSQuery vizier around this object
29.1133.825031.9769Mag=21.9NEDQuery vizier around this object
29.1133.825231.9770R=20.8, g=21.8, i=20.5, u=22.3, z=20.7SDSSQuery vizier around this object
33.0133.819231.9842NEDQuery vizier around this object


There are 357 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
17.1133.826031.9807B1=17.9, B2=17.7, I=14.1, R1=15.8, R2=15.8USNO-B1Query vizier around this object
17.3133.826031.9806h=12.6, j=13.2, k=12.32MASSQuery vizier around this object
17.4133.825931.9806I=15.2, R=16.4, g=17.8, u=20.4, z=14.6SDSSQuery vizier around this object
18.7133.831331.9789I=21.7, R=21.7, g=22.5, u=23.6, z=22.3SDSSQuery vizier around this object
24.5133.828631.9773I=19.2, R=19.7, g=21.1, u=22.9, z=19.0SDSSQuery vizier around this object
25.0133.828731.9771B2=21.1, I=18.7, R1=19.6, R2=19.6USNO-B1Query vizier around this object
53.8133.829131.9989h=14.7, j=15.2, k=14.42MASSQuery vizier around this object
53.9133.822831.9703B1=13.5, B2=12.7, I=11.0, R1=11.6, R2=11.5USNO-B1Query vizier around this object
53.9133.829131.9990I=17.4, R=18.9, g=20.6, u=24.1, z=16.6SDSSQuery vizier around this object
54.0133.822731.9703I=12.3, R=12.4, g=12.8, u=14.9, z=13.5SDSSQuery vizier around this object

Queried USNO-B1, SDSS, 2MASS.

There are 146 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.