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Swift Trigger: 945344

Presumed name: GRB 191220A

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

BAT	18h 45m 33.84s, +26° 40′ 01.2″
position:	(281.391, +26.667 ± 180″)
XRT	18h 45m 31.20s, +26° 39′ 20.9″
position:	(281.3800, 26.6558 ± 2.3″)
UVOT	No position available.
Galactic NHI:	1.01×100 cm-2
Galactic E(B-V):	0.148 mag

Best RA:	18h 45m 31.20s	= 281.3800 d
Best Dec:	+26° 39′ 20.9″	= 26.6558 d
Gal Lat:	13.01
Gal Long:	56.45
Sun angle:	51.76°, -0.9 hr East of Sun

¹Sper #6 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

No UVOT images are currently available.

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XRT SPER data

SPER results page for this trigger.

There are 7 SPER messages, and 1 objects have been found

• • Object 1 - enhanced position.
  • RA (J2000) : 18 45 31.19 (26.6558)
  • Dec (J2000): +26 39 20.9 ( 26.65607)
  • Error (90%): 2.3
  • Counts in Source: 97

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
0.0′′	281.38000	26.65580		GCN #26515	GRB 191220A: Prompt enhanced Swift-XRT position
0.7′′	281.37980	26.65588		GCN #26522	GRB 191220A: Enhanced Swift-XRT position
2.5′′	281.37925	26.65600		GCN #26516	GRB 191220A: Swift detection of a burst
53.7′′	281.39079	26.66719		GCN #26514	Swift GRB191220.56: Global MASTER-Net observations report
167.1′′	281.33500	26.67900		GCN #26535	GRB 191220A: Swift-BAT refined analysis

There are 11 matches in total. See the full table for details.

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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
170.0	281.4109	26.6941	TYC 2116-2505-1	B=13.12, G=12.1256, H=10.592, J=10.935, K=10.512, V=12.14

* 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
5.4	281.3814	26.6566		B2=21.2, I=18.4, R1=19.3, R2=19.2	USNO-B1
5.4	281.3812	26.6564			NED
8.6	281.3775	26.6564			NED
21.5	281.3769	26.6505		B2=21.4, I=18.2, R2=20.0	USNO-B1
22.2	281.3863	26.6586			NED
22.4	281.3733	26.6539			NED
25.8	281.3865	26.6516		I=18.4, R2=19.2	USNO-B1
26.2	281.3867	26.6600			NED
26.4	281.3863	26.6514			NED
26.9	281.3846	26.6494			NED

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

There are 416 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
8.7	281.3774	26.6563	h=15.0, j=15.4, k=14.9	2MASS
8.7	281.3774	26.6563	B1=18.1, B2=17.3, I=16.0, R1=16.3, R2=16.0	USNO-B1
16.8	281.3760	26.6588	B1=19.9, B2=19.2, I=18.2, R1=18.6, R2=18.3	USNO-B1
19.9	281.3742	26.6538	B1=20.2, B2=19.8, I=18.0, R1=18.4, R2=18.6	USNO-B1
20.5	281.3773	26.6610	B1=20.4, B2=19.6, I=18.4, R1=18.5, R2=18.7	USNO-B1
22.2	281.3734	26.6539	B1=18.9, B2=18.0, I=17.1, R1=17.6, R2=17.1	USNO-B1
22.2	281.3861	26.6587	h=13.1, j=13.6, k=13.0	2MASS
22.4	281.3734	26.6539	h=16.3, j=16.6, k=16.3	2MASS
23.7	281.3864	26.6591	B1=15.2, B2=14.8, I=13.6, R1=14.0, R2=13.7	USNO-B1
26.2	281.3867	26.6599	h=15.4, j=15.5, k=15.4	2MASS

Queried USNO-B1, SDSS, 2MASS.

There are 513 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.