Swift Trigger: 1095288

Presumed name: GRB 220306B

BAT	00^h 21^m 30.72^s, +71° 21′ 14.4″
position:	(5.378, +71.354 ± 180″)
XRT	00^h 21^m 32.71^s, +71° 21′ 47.3″
position:	(5.38628, 71.36313 ± 4.0″)
UVOT	No position available.
Galactic N_HI:	2.64×10²¹ cm^-2
Galactic E(B-V):	0.608 mag

Best RA:	00^h 21^m 32.71^s	= 5.38628 d
Best Dec:	+71° 21′ 47.3″	= 71.36313 d

Gal Lat:	8.63
Gal Long:	120.52

Sun angle:	77.89°, -1.2 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 9 SPER messages, and 1 objects have been found

- Object 1
- RA (J2000) : 00 21 32.96 ( 5.38734)
- Dec (J2000): +71 21 47.7 ( 71.36325)
- Error (90%): 3.818"
- Counts in Source: 63

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′′	5.38628	71.36313	GCN #31697	GRB 220306B: Swift detection of a burst
2.6′′	5.38792	71.36361	GCN #31700	GRB 220306B: Enhanced Swift-XRT position
3.5′′	5.38925	71.36297	GCN #31711	GRB 220306B: Tautenburg observations
75.5′′	5.38000	71.38400	GCN #31707	GRB 220306B: 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
101.6	5.2994	71.3581	2MASS J00211185+7121293	G=15.271924, H=12.482, J=13.109, K=12.296
198.0	5.3175	71.3127	TYC 4302-340-1	B=11.68, G=10.864028, H=9.463, J=9.737, K=9.420, V=11.10

* RA/Dec in equinox J2000

X-ray sources

	RA*	Dec*		Source table²	Observatory	Query
65.8	5.4387	71.3704	0.0141 +/- 0.0061	ROSAT

Queried the X-ray MASTER catalogue.

* RA/Dec in equinox J2000

¹Energy band for count-rate is mission specific.

Galaxies

	RA*	Dec*		Catalogue
19.1	5.3954	71.3675		NED
27.8	5.3842	71.3553		NED
28.3	5.3992	71.3697		NED
30.7	5.4125	71.3619		NED
30.7	5.4079	71.3583		NED
31.0	5.3606	71.3605	B2=21.2, I=18.1, R1=19.0, R2=18.9	USNO-B1
31.5	5.4073	71.3575	B1=20.1, I=17.7, R2=19.2	USNO-B1
32.8	5.4142	71.3644		NED
34.3	5.3653	71.3564	I=17.1, R2=19.1	USNO-B1
34.3	5.3650	71.3564		NED

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

There are 342 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
16.8	5.3717	71.3632	B1=20.6, B2=21.4, R2=19.2	USNO-B1
19.1	5.3954	71.3676	h=15.0, j=15.5, k=15.0	2MASS
19.3	5.3953	71.3676	B1=19.4, B2=19.1, I=16.7, R1=17.3, R2=17.3	USNO-B1
20.9	5.3948	71.3682	I=17.9, R1=18.6, R2=18.6	USNO-B1
24.1	5.3978	71.3575	B2=20.6, R1=19.2, R2=19.0	USNO-B1
24.5	5.3661	71.3610	B1=20.0, B2=19.9, I=17.5, R1=18.6, R2=18.4	USNO-B1
25.8	5.3838	71.3560	B1=20.4, I=17.4, R1=19.2, R2=19.2	USNO-B1
27.9	5.3843	71.3554	h=15.6, j=16.1, k=15.0	2MASS
28.0	5.4075	71.3670	B2=21.0, I=18.0, R1=19.1, R2=19.0	USNO-B1
28.3	5.3992	71.3698	h=15.3, j=15.9, k=15.3	2MASS

Queried USNO-B1, SDSS, 2MASS.

There are 395 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.