Swift Trigger: 745797

Presumed name: GRB 170405A

BAT	14^h 39^m 14.40^s, -25° 14′ 36.6″
position:	(219.81, -25.2435 ± 180″)
XRT	14^h 39^m 18.74^s, -25° 14′ 37.3″
position:	(219.8281, -25.2437 ± 2.1″)
UVOT	14^h 39^m 18.72^s, -25° 14′ 35.2″
position:	(219.8280, -25.2431 ± 0.6″)
Galactic N_HI:	6.47×10⁰ cm^-2
Galactic E(B-V):	0.096 mag

Best RA:	14^h 39^m 18.72^s	= 219.8280 d
Best Dec:	-25° 14′ 35.2″	= -25.2431 d

Gal Lat:	31.53
Gal Long:	331.7

Sun angle:	149.60°, -13.66 hr East of Sun

¹Sper #2 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 3 SPER messages, and 1 objects have been found

- Object 1 - enhanced position.
- RA (J2000) : 14 39 18.73 (-25.2437)
- Dec (J2000): -25 14 37.2 ( -25.24341)
- Error (90%): 2.1
- Counts in Source: 439

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
0.1′′	219.82800	-25.24314	GCN #20984	GRB 170405A: Swift detection of a burst with an optical counterpart
0.1′′	219.82800	-25.24314	GCN #20988	GRB 170405A: NOT optical observations
0.3′′	219.82804	-25.24317	GCN #21000	GRB170405A� Swift-UVOT Detection
2.3′′	219.82767	-25.24368	GCN #20985	GRB 170405A: Enhanced Swift-XRT position
28.4′′	219.82417	-25.23603	GCN #20999	GRB 170405A� 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
36.3	219.8331	-25.2527	B=21.5, R2=19.9, i=18.7	SSS
46.5	219.8408	-25.2377	B1=20.9, R1=19.3	USNO-B1
56.3	219.8449	-25.2474	B1=20.8, R2=19.4	USNO-B1
58.7	219.8150	-25.2325	B1=20.9, I=17.8, R2=19.4	USNO-B1
66.6	219.8480	-25.2396	B=17.9, R2=16.2, i=15.9	SSS
74.6	219.8475	-25.2327	B=20.5, R2=19.0, i=18.1	SSS
84.7	219.8316	-25.2670	B=21.5	SSS
93.4	219.8369	-25.2684	B=20.8, R2=19.7, i=19.2	SSS
94.1	219.8100	-25.2233	B=21.4	SSS
103.3	219.8596	-25.2402	B=17.3, R2=17.1, i=16.5	SSS

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

There are 51 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
11.4	219.8281	-25.2405	B1=20.9, R1=17.5	USNO-B1
24.0	219.8337	-25.2481	B1=20.6, B2=19.3, I=17.3, R1=17.6, R2=17.4	USNO-B1
24.1	219.8336	-25.2482	h=15.0, j=15.7, k=14.9	2MASS
34.8	219.8182	-25.2401	B1=18.2, B2=17.6, I=16.5, R1=16.7, R2=16.6	USNO-B1
34.9	219.8181	-25.2401	h=15.2, j=15.6, k=15.1	2MASS
36.4	219.8332	-25.2527	B2=21.2, I=18.7, R1=19.6, R2=19.4	USNO-B1
39.4	219.8368	-25.2513	B1=18.2, B2=17.5, I=16.6, R1=16.9, R2=16.9	USNO-B1
39.4	219.8368	-25.2513	h=15.5, j=15.7, k=15.4	2MASS
40.4	219.8328	-25.2333	B1=20.6, B2=19.5, I=18.2, R1=18.7, R2=18.5	USNO-B1
52.2	219.8420	-25.2365	B1=19.3, B2=18.4, I=17.7, R1=18.1, R2=17.9	USNO-B1

Queried USNO-B1, SDSS, 2MASS.

There are 166 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.