Swift Trigger: 906654

Presumed name: GRB 190604B

BAT	19^h 50^m 20.88^s, -32° 55′ 55.2″
position:	(297.587, -32.932 ± 180″)
XRT	19^h 50^m 09.91^s, -32° 58′ 41.5″
position:	(297.5413, -32.9782 ± 2.0″)
UVOT	No position available.
Galactic N_HI:	8.42×10⁰ cm^-2
Galactic E(B-V):	0.179 mag

Best RA:	19^h 50^m 09.91^s	= 297.5413 d
Best Dec:	-32° 58′ 41.5″	= -32.9782 d

Gal Lat:	-25.94
Gal Long:	7.41

Sun angle:	138.66°, 9.0 hr West

¹Sper #7 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) : 19 50 09.89 (-32.9782)
- Dec (J2000): -32 58 41.4 ( -32.97678)
- Error (90%): 2.0
- Counts in Source: 968

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′′	297.54130	-32.97820	GCN #24743	GRB 190604B: Prompt enhanced Swift-XRT position
2.3′′	297.54058	-32.97803	GCN #24746	GRB 190604B: Enhanced Swift-XRT position
11.3′′	297.53804	-32.97664	GCN #24742	GRB 190604B: Swift detection of a burst
11.3′′	297.53804	-32.97664	GCN #24748	GRB190604B: GROWTH-India telescope followup - no optical counterpart found
16.2′′	297.54542	-32.97531	GCN #24752	GRB 190604B: Swift-BAT refined analysis

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

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
77.2	297.5159	-32.9761	TYC 7443-560-1	B=12.182, G=10.8132, H=8.618, I=10.051, J=9.175, K=8.499, R=10.44, V=11.114, g=11.605, i=10.429, r=10.764
194.4	297.4880	-33.0085	TYC 7443-225-1	B=12.444, G=11.5579, H=10.056, J=10.386, K=9.963, V=11.732, i=11.329, r=11.519
196.7	297.5631	-33.0297	TYC 7443-440-1	B=13.46, G=12.1464, H=10.266, J=10.768, K=10.193, V=12.64

There are 3 SIMBAD objects within the position error. The full list is here.

* 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
11.7	297.5426	-32.9813	B2=17.4, I=16.0, R1=16.1, R2=16.2	USNO-B1
12.2	297.5425	-32.9814		NED
16.2	297.5396	-32.9739	B2=21.9, I=18.1, R2=19.7	USNO-B1
16.3	297.5458	-32.9758		NED
23.8	297.5333	-32.9778		NED
25.2	297.5454	-32.9842		NED
33.8	297.5317	-32.9733		NED
34.1	297.5442	-32.9689		NED
34.6	297.5512	-32.9739		NED
35.9	297.5520	-32.9826	B=19.6, R2=18.4, i=17.9	SSS

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

There are 240 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
12.2	297.5427	-32.9814	h=14.7, j=15.3, k=14.7	2MASS
16.3	297.5459	-32.9759	h=15.6, j=16.1, k=15.2	2MASS
16.4	297.5459	-32.9757	B2=19.9, I=17.2, R1=17.6, R2=17.8	USNO-B1
19.5	297.5477	-32.9788	B2=20.4, I=18.8, R1=19.3, R2=18.7	USNO-B1
20.9	297.5357	-32.9817	B2=20.8, I=18.2, R1=19.3, R2=19.4	USNO-B1
23.8	297.5334	-32.9779	h=12.9, j=13.4, k=12.8	2MASS
23.9	297.5334	-32.9776	B2=15.4, I=14.0, R1=14.0, R2=14.4	USNO-B1
24.7	297.5455	-32.9841	B2=16.8, I=14.9, R1=15.1, R2=15.2	USNO-B1
25.2	297.5456	-32.9842	h=13.6, j=14.0, k=13.4	2MASS
32.5	297.5520	-32.9793	I=18.7, R1=19.6	USNO-B1

Queried USNO-B1, SDSS, 2MASS.

There are 272 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.