Swift Trigger: 748898

Presumed name: GRB 170419A

BAT	05^h 19^m 27.84^s, -21° 25′ 13.1″
position:	(79.866, -21.4203 ± 180″)
XRT	05^h 19^m 25.10^s, -21° 25′ 26.0″
position:	(79.8546, -21.4239 ± 2.1″)
UVOT	No position available.
Galactic N_HI:	3.10×10⁰ cm^-2
Galactic E(B-V):	0.039 mag

Best RA:	05^h 19^m 25.10^s	= 79.8546 d
Best Dec:	-21° 25′ 26.0″	= -21.4239 d

Gal Lat:	-29.36
Gal Long:	223.46

Sun angle:	60.87°, -3.48 hr East of Sun

¹Sper #8 auto processing.

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 - enhanced position.
- RA (J2000) : 05 19 25.11 (-21.4239)
- Dec (J2000): -21 25 25.9 ( -21.42393)
- Error (90%): 2.1
- Counts in Source: 101

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
0.3′′	79.85467	-21.42386	GCN #21015	GRB 170419A: Enhanced Swift-XRT position
1.1′′	79.85490	-21.42400	GCN #21013	GRB 170419A: Swift detection of a burst
32.0′′	79.85458	-21.43278	GCN #21018	GRB 170419A: Swift-BAT refined analysis

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*		Catalogue
39.4	79.8625	-21.4320	B=20.8, R2=19.8	SSS
43.6	79.8649	-21.4312	B2=20.9, I=18.9, R1=19.1, R2=19.9	USNO-B1
43.9	79.8650	-21.4314	B=21.0, R2=19.5, i=19.4	SSS
51.9	79.8664	-21.4333	B=20.8, R2=19.0, i=18.3	SSS
56.7	79.8689	-21.4323	B2=21.0, R2=20.8	USNO-B1
57.2	79.8691	-21.4323	B=21.5, R2=19.6, i=19.2	SSS
62.8	79.8733	-21.4249	B2=20.5, I=19.0, R2=20.9	USNO-B1
62.9	79.8733	-21.4249	B=21.1, R2=20.6	SSS
70.2	79.8573	-21.4432	B1=20.5, B2=20.9	USNO-B1
73.2	79.8558	-21.4442	B2=21.2, R2=20.9	USNO-B1

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

There are 42 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
25.9	79.8504	-21.4179	B1=15.9, B2=16.0, I=14.4, R1=14.3, R2=14.8	USNO-B1
26.2	79.8504	-21.4178	h=13.3, j=13.7, k=13.1	2MASS
39.3	79.8615	-21.4327	B2=20.4, R1=19.5, R2=20.3	USNO-B1
45.5	79.8430	-21.4174	h=16.2, j=16.3, k=16.2	2MASS
45.6	79.8428	-21.4175	B1=18.0, B2=17.9, I=16.8, R1=16.5, R2=17.3	USNO-B1
51.2	79.8662	-21.4331	h=16.4, j=16.9, k=15.6	2MASS
51.5	79.8662	-21.4333	B2=20.6, I=18.3, R1=19.2, R2=19.4	USNO-B1
54.9	79.8708	-21.4216	B1=18.6, B2=17.9, I=15.2, R1=15.6, R2=16.3	USNO-B1
55.1	79.8709	-21.4216	h=13.3, j=14.0, k=13.1	2MASS
60.5	79.8718	-21.4291	B1=16.7, B2=16.6, I=14.5, R1=14.6, R2=15.0	USNO-B1

Queried USNO-B1, SDSS, 2MASS.

There are 111 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.