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Swift Trigger: 1071488

Presumed name: GRB 210901A

Back to trigger list.

BAT 19h 41m 10.08s, -76° 55′ 55.2″
position:(295.292, -76.932 ± 180″)
XRT 19h 41m 06.43s, -76° 55′ 35.5″
position:(295.27678, -76.92654 ± 1.9″)
UVOT No position available.
Galactic NHI:6.24×1020 cm-2
Galactic E(B-V):0.177 mag
Best RA:19h 41m 06.43s= 295.27678 d
Best Dec:-76° 55′ 35.5″= -76.92654 d
Gal Lat:-29.17
Gal Long:317.59
Sun angle:107.18°, -9.0 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.


SPER results page for this trigger.

Image of the SPER data

There are 8 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
0.9′′295.27738-76.92633GCN #30746GRB 210901A: Swift detection of a burstVizier logo
1.1′′295.27804-76.92664GCN #30749GRB 210901A: Enhanced Swift-XRT positionVizier logo
3.0′′295.27492-76.92583GCN #30755GRB 210901A: GROND observationsVizier logo
70.3′′295.22400-76.94200GCN #30750GRB 210901A: Swift-BAT refined analysisVizier logo

Catalogue Searches. Searched 200′ 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
179.9295.1071-76.9586LEDA 238192Query 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
9.9295.2862-76.9283NEDQuery vizier around this object
19.0295.2533-76.9267NEDQuery vizier around this object
20.1295.2921-76.9222NEDQuery vizier around this object
20.5295.2923-76.9221B2=21.0, I=17.5, R1=18.4, R2=18.4USNO-B1Query vizier around this object
25.0295.3058-76.9242NEDQuery vizier around this object
25.0295.2970-76.9318B2=18.4, I=17.0, R1=17.3, R2=17.5USNO-B1Query vizier around this object
25.1295.2971-76.9317NEDQuery vizier around this object
26.0295.2492-76.9303NEDQuery vizier around this object
26.4295.2469-76.9294B=22.6, R2=20.7SSSQuery vizier around this object
28.7295.2667-76.9342NEDQuery vizier around this object


There are 312 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
9.9295.2863-76.9282B2=17.5, I=16.3, R1=16.7, R2=16.7USNO-B1Query vizier around this object
9.9295.2863-76.9283h=15.3, j=15.6, k=15.12MASSQuery vizier around this object
18.9295.2536-76.9267B2=18.6, I=16.9, R1=17.0, R2=17.2USNO-B1Query vizier around this object
19.0295.2535-76.9267h=15.4, j=15.8, k=15.22MASSQuery vizier around this object
20.1295.2921-76.9222h=15.3, j=16.1, k=15.32MASSQuery vizier around this object
24.9295.3055-76.9242B2=14.6, I=12.6, R1=13.5, R2=13.4USNO-B1Query vizier around this object
25.0295.3057-76.9242h=11.0, j=11.6, k=10.92MASSQuery vizier around this object
25.1295.2972-76.9318h=15.4, j=15.7, k=15.42MASSQuery vizier around this object
29.2295.3124-76.9275B2=20.1, I=18.9, R1=19.2, R2=19.1USNO-B1Query vizier around this object
30.2295.3130-76.9283B2=19.8, I=17.6, R1=18.3, R2=18.0USNO-B1Query vizier around this object

Queried USNO-B1, SDSS, 2MASS.

There are 225 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.