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Swift Trigger: 799669

Presumed name: GRB 171222A

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Related pages: Burst Analyser | Enhanced position | Light curve | Spectrum | Image | XRT Catalogue entry | Download obs data | GCN Notices

BAT	09h 53m 10.32s, +35° 37′ 19.2″
position:	(148.293, 35.622 ± 180″)
XRT	09h 53m 06.82s, +35° 37′ 36.1″
position:	(148.2784, 35.6267 ± 2.1″)
UVOT	No position available.
Galactic NHI:	1.04×100 cm-2
Galactic E(B-V):	0.011 mag

Best RA:	09h 53m 06.82s	= 148.2784 d
Best Dec:	+35° 37′ 36.1″	= 35.6267 d
Gal Lat:	51.34
Gal Long:	188.9
Sun angle:	129.26°, 8.2 hr West

¹Sper #10 auto processing.

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GCN Notices for this burst.

View this region in Aladin.

Observability of this burst for Swift.

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Sun angle for this burst.

UVOT data

Blink images with DSS (link via GSFC)

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XRT SPER data

SPER results page for this trigger.

There are 10 SPER messages, and 1 objects have been found

• • Object 1 - enhanced position.
  • RA (J2000) : 09 53 06.80 (35.6267)
  • Dec (J2000): +35 37 36.1 ( 35.62732)
  • Error (90%): 2.1
  • Counts in Source: 181

See the SPER page for details of how this position was produced.

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Known transients within 5′ of the GRB

Click on the offset to view the transient announcement.

Offset (′′)	RA	Dec	Date reported	Source	Misc	Query
1.2′′	148.27804	35.62653		GCN #22269	GRB 171222A: NOT Optical Afterglow
3.3′′	148.27738	35.62711		GCN #22266	GRB 171222A: Enhanced Swift-XRT position
3.6′′	148.27783	35.62758		GCN #22265	GRB 171222A: Swift detection of a burst
18.6′′	148.27300	35.62400		GCN #22280	GRB 171222A: Swift-BAT refined analysis

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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		Query

* 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*	Redshift		Catalogue	Query
22.0	148.2783	35.6328		Mag=21.4	NED
22.2	148.2784	35.6329		B2=20.9, I=18.2, R1=19.3, R2=19.9	USNO-B1
29.5	148.2883	35.6258		Mag=22.9	NED
30.6	148.2691	35.6305		R=21.4, g=22.8, i=20.9, u=22.7, z=20.6	SDSS
30.7	148.2692	35.6306		Mag=22.3	NED
33.2	148.2872	35.6209		R=22.2, g=25.0, i=21.2, u=26.2, z=21.0	SDSS
34.4	148.2867	35.6197		Mag=20.7	NED
38.6	148.2733	35.6366		R=22.1, g=22.7, i=21.6, u=22.6, z=21.3	SDSS
38.6	148.2733	35.6367		Mag=22.4	NED
38.7	148.2688	35.6192		Mag=24.4	NED

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

There are 443 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	Query
21.9	148.2784	35.6328	h=16.1, j=16.3, k=15.8	2MASS
22.0	148.2784	35.6328	I=18.6, R=19.9, g=21.4, u=23.0, z=17.9	SDSS
29.5	148.2884	35.6260	I=20.3, R=21.6, g=22.9, u=25.5, z=19.9	SDSS
34.0	148.2865	35.6199	B1=21.0, B2=20.5, I=18.9, R1=19.4, R2=19.3	USNO-B1
34.5	148.2866	35.6198	I=19.1, R=19.5, g=20.7, u=25.2, z=18.9	SDSS
38.7	148.2688	35.6193	I=21.2, R=22.6, g=24.3, u=24.4, z=20.5	SDSS
59.1	148.2753	35.6429	I=21.7, R=22.9, g=24.4, u=25.8, z=21.7	SDSS
59.2	148.2914	35.6393	I=24.6, R=22.5, g=24.7, u=25.7, z=23.1	SDSS
59.2	148.2619	35.6362	I=19.0, R2=20.4	USNO-B1
61.1	148.2779	35.6437	B2=21.8, R2=20.4	USNO-B1

Queried USNO-B1, SDSS, 2MASS.

There are 172 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.