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Home > GRB region information > 1150429

Swift Trigger: 1150429

Presumed name: GRB 230123A

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

BAT	02h 43m 44.88s, -65° 40′ 33.6″
position:	(40.937, -65.676 ± 180″)
XRT	02h 43m 25.99s, -65° 41′ 12.5″
position:	(40.85828, -65.68680 ± 1.9″)
UVOT	No position available.
Galactic NHI:	2.70×1020 cm-2
Galactic E(B-V):	0.028 mag

Best RA:	02h 43m 25.99s	= 40.85828 d
Best Dec:	-65° 41′ 12.5″	= -65.68680 d
Gal Lat:	-47.65
Gal Long:	286.26
Sun angle:	74.63°, -6.4 hr East of Sun

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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

No UVOT images are currently available.

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XRT SPER data

SPER results page for this trigger.

There are 12 SPER messages, and 1 objects have been found

• • Object 1 - enhanced position.
  • RA (J2000) : 02 43 25.96 (-65.68695)
  • Dec (J2000): -65 41 13.0 ( -65.68626)
  • Error (90%): 1.9
  • Counts in Source: 50

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′′	40.85842	-65.68648		GCN #33209	GRB 230123A: Enhanced Swift-XRT position
2.2′′	40.85975	-65.68672		GCN #33206	GRB 230123A: Swift detection of a burst
115.9′′	40.90500	-65.66100		GCN #33214	GRB 230123A: Swift-BAT refined analysis

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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
150.7	40.8412	-65.7281	UCAC4 122-002357	B=14.798, G=13.597661, H=11.609, J=12.123, K=11.559, R=13.721, V=13.842, g=14.299, i=13.312, r=13.522
165.5	40.7760	-65.6558	UCAC4 122-002353	B=14.051, G=13.221668, H=11.779, J=12.146, K=11.760, R=13.334, V=13.370, g=13.673, i=13.070, r=13.168

* 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
21.2	40.8675	-65.6914			NED
29.3	40.8388	-65.6856			NED
30.5	40.8779	-65.6889			NED
30.8	40.8654	-65.6789			NED
34.5	40.8417	-65.6936			NED
34.7	40.8708	-65.6950			NED
38.6	40.8592	-65.6975			NED
40.4	40.8321	-65.6836			NED
41.3	40.8421	-65.6775			NED
42.5	40.8863	-65.6892			NED

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

There are 205 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
29.4	40.8387	-65.6856	B2=20.8, R2=19.4	USNO-B1
40.3	40.8325	-65.6832	B2=18.3, I=17.2, R1=16.9, R2=16.8	USNO-B1
40.5	40.8325	-65.6831	h=16.0, j=16.4, k=15.6	2MASS
59.1	40.8674	-65.6708	B2=24.8, I=18.5, R2=19.2	USNO-B1
60.2	40.8401	-65.6718	B2=20.9, I=19.0, R1=19.2, R2=20.4	USNO-B1
67.8	40.8260	-65.7001	B2=20.9, I=19.1, R1=19.2, R2=19.5	USNO-B1
69.8	40.8817	-65.7036	R1=19.5, R2=19.4	USNO-B1
73.3	40.8135	-65.6781	B2=25.0, I=18.9, R2=19.2	USNO-B1
75.0	40.8903	-65.6707	B2=25.0, R1=19.5, R2=19.5	USNO-B1
80.3	40.8925	-65.7041	B2=20.3, I=18.5, R1=18.4, R2=18.7	USNO-B1

Queried USNO-B1, SDSS, 2MASS.

There are 108 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.