Swift Trigger: 1104692

Presumed name: GRB 220430A

BAT	06^h 30^m 26.64^s, +09° 30′ 36.0″
position:	(97.611, +9.510 ± 180″)
XRT	06^h 30^m 27.04^s, +09° 32′ 50.3″
position:	(97.61267, 9.54730 ± 1.9″)
UVOT	No position available.
Galactic N_HI:	5.03×10²¹ cm^-2
Galactic E(B-V):	0.933 mag

Best RA:	06^h 30^m 27.04^s	= 97.61267 d
Best Dec:	+09° 32′ 50.3″	= 9.54730 d

Gal Lat:	-0.26
Gal Long:	202.05

Sun angle:	58.85°, -4.0 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.

XRT SPER data

SPER results page for this trigger.

There are 2 SPER messages, and 1 objects have been found

- Object 1 - enhanced position.
- RA (J2000) : 06 30 26.25 (9.54951)
- Dec (J2000): +09 32 58.2 ( 9.54835)
- Error (90%): 1.9
- Counts in Source: 91

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
0.0′′	97.61267	9.54730	GCN #31972	GRB 220430A: Swift detection of a burst or Swift J0630.4+0932
1.9′′	97.61218	9.54754	GCN #31973	GRB 220430A: Enhanced Swift-XRT position
2.0′′	97.61217	9.54753	GCN #31997	GRB 220430A: GIT optical upper limits
11.9′′	97.61600	9.54700	GCN #31981	GRB 220430A: Swift-BAT refined analysis

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).

SIMBAD

	RA*	Dec*	SIMBAD name		Query
98.2	97.6117	9.5746	TYC 736-902-1	B=11.80, H=10.924, J=10.971, K=10.9, V=12.04
133.9	97.5751	9.5447	ATO J097.5750+09.5447

* 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
9.5	97.6100	9.5483		NED
9.9	97.6102	9.5486	B2=19.6, R2=19.9	USNO-B1
17.5	97.6150	9.5517		NED
23.2	97.6150	9.5411		NED
24.2	97.6063	9.5450		NED
24.6	97.6164	9.5530	I=18.3, R1=18.9, R2=20.0	USNO-B1
25.2	97.6183	9.5517		NED
27.7	97.6200	9.5492		NED
29.8	97.6196	9.5431		NED
29.9	97.6188	9.5528		NED

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

There are 353 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
5.2	97.6139	9.5465	B2=20.7, I=18.6, R2=19.1	USNO-B1
5.5	97.6137	9.5484	B2=20.8, I=17.9, R1=19.2, R2=19.6	USNO-B1
15.6	97.6140	9.5432	I=18.0, R1=19.5, R2=20.2	USNO-B1
17.5	97.6149	9.5516	h=13.1, j=13.5, k=13.0	2MASS
17.5	97.6149	9.5516	B1=15.6, B2=15.7, I=14.3, R1=14.7, R2=15.0	USNO-B1
23.1	97.6148	9.5412	B2=19.7, I=17.6, R1=18.4, R2=18.4	USNO-B1
23.2	97.6149	9.5412	h=15.9, j=16.6, k=15.2	2MASS
25.2	97.6182	9.5516	h=15.2, j=16.0, k=15.1	2MASS
25.8	97.6183	9.5518	B1=18.3, I=16.6, R1=16.9, R2=17.2	USNO-B1
27.1	97.6185	9.5521	B1=18.0, B2=18.3, R2=16.6	USNO-B1

Queried USNO-B1, SDSS, 2MASS.

There are 502 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.