Swift Trigger: 965638

Presumed name: GRB 200410A

BAT	19^h 58^m 32.88^s, +51° 45′ 46.8″
position:	(299.637, +51.763 ± 180″)
XRT	19^h 58^m 34.97^s, +51° 46′ 53.8″
position:	(299.6457, 51.7816 ± 2.1″)
UVOT	No position available.
Galactic N_HI:	1.43×10⁰ cm^-2
Galactic E(B-V):	0.161 mag

Best RA:	19^h 58^m 34.97^s	= 299.6457 d
Best Dec:	+51° 46′ 53.8″	= 51.7816 d

Gal Lat:	11.49
Gal Long:	85.75

Sun angle:	77.08°, 5.3 hr West

¹Sper #11 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.

XRT SPER data

SPER results page for this trigger.

There are 11 SPER messages, and 1 objects have been found

- Object 1 - enhanced position.
- RA (J2000) : 19 58 35.00 (51.7815)
- Dec (J2000): +51 46 53.2 ( 51.78120)
- Error (90%): 2.1
- Counts in Source: 242

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	Dec	Source	Misc
1.1′′	299.64560	51.78130	GCN #27518	GRB 200410A: Swift detection of a burst with a possible optical counterpart
3.0′′	299.64593	51.78078	GCN #27522	GRB 200410A: Enhanced Swift-XRT position
3.2′′	299.64708	51.78139	GCN #27532	GRB 200410A: Swift/UVOT Detection
69.7′′	299.63700	51.76300	GCN #27517	Swift GRB200410.10: Global MASTER-Net observations report
131.8′′	299.64400	51.74500	GCN #27578	GRB 200410A: Swift-BAT refined analysis

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).

SIMBAD

	RA*	Dec*	SIMBAD name
146.0	299.7088	51.7708	TYC 3570-1286-1	B=12.24, G=10.8533, H=8.847, J=9.337, K=8.723, V=11.04
177.7	299.5845	51.7499	TYC 3570-1844-1	B=12.09, G=11.4840, H=10.438, J=10.655, K=10.398, V=11.70
197.5	299.5570	51.7819	TYC 3570-1643-1	B=12.31, G=11.3014, H=9.179, J=9.764, K=9.159, V=11.73

There are 3 SIMBAD objects within the position error. The full list is here.

* RA/Dec in equinox J2000

X-ray sources

	RA*	Dec*		Source table²	Observatory	Query

Queried the X-ray MASTER catalogue.

* RA/Dec in equinox J2000

¹Energy band for count-rate is mission specific.

Galaxies

	RA*	Dec*		Catalogue
4.2	299.6437	51.7822		NED
4.4	299.6440	51.7822	B1=18.8, B2=19.0, I=16.9, R1=17.6, R2=17.5	USNO-B1
5.3	299.6475	51.7808		NED
30.1	299.6336	51.7779	B1=19.0, B2=18.8, I=16.6, R1=17.3, R2=17.2	USNO-B1
30.4	299.6333	51.7781		NED
30.6	299.6333	51.7780	B=20.2, R=18.6	APM-N
32.0	299.6571	51.7869		NED
32.2	299.6596	51.7836		NED
34.4	299.6487	51.7911		NED
34.7	299.6362	51.7739		NED

Queried APM-N, SDSS, PSCz, SSS, NED, 2MASSX, USNO-B1.

There are 376 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

Stars

	RA*	Dec*		Catalogue
4.2	299.6440	51.7821	h=15.9, j=16.4, k=15.6	2MASS
5.3	299.6477	51.7808	h=15.2, j=15.9, k=15.0	2MASS
5.3	299.6478	51.7809	B1=20.1, B2=20.0, I=16.8, R1=17.7, R2=18.1	USNO-B1
30.3	299.6334	51.7780	h=16.1, j=16.6, k=16.5	2MASS
32.0	299.6572	51.7870	h=16.0, j=16.5, k=16.1	2MASS
32.2	299.6598	51.7836	h=14.4, j=15.0, k=14.5	2MASS
32.5	299.6573	51.7871	B1=18.5, B2=18.9, I=16.9, R1=17.7, R2=17.4	USNO-B1
32.5	299.6599	51.7837	B1=17.4, B2=17.7, I=15.4, R1=15.8, R2=16.2	USNO-B1
33.0	299.6533	51.7895	B2=18.3, R2=19.7	USNO-B1
34.2	299.6362	51.7741	B1=17.0, B2=17.4, I=14.9, R1=15.2, R2=15.6	USNO-B1

Queried USNO-B1, SDSS, 2MASS.

There are 397 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.