Swift Trigger: 970886

Presumed name: GRB 200509A

BAT	07^h 45^m 48.00^s, -04° 38′ 27.6″
position:	(116.450, -4.641 ± 180″)
XRT	07^h 45^m 41.57^s, -04° 37′ 52.0″
position:	(116.42322, -4.63112 ± 3.5″)
UVOT	07^h 45^m 41.18^s, -04° 37′ 49.1″
position:	(116.4216, -4.6303 ± 1.1″)
Galactic N_HI:	1.09×10⁰ cm^-2
Galactic E(B-V):	0.130 mag

Best RA:	07^h 45^m 41.18^s	= 116.4216 d
Best Dec:	-04° 37′ 49.1″	= -4.6303 d

Gal Lat:	9.86
Gal Long:	223.37

Sun angle:	72.55°, -4.7 hr East of Sun

¹Sper #3 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 7 SPER messages, and 1 objects have been found

- Object 1
- RA (J2000) : 07 45 41.56 ( 116.42317)
- Dec (J2000): -04 37 51.7 ( -4.63102)
- Error (90%): 3.500"
- Counts in Source: 123

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
0.4′′	116.42167	-4.63039	GCN #27701	GRB 200509A: Swift detection of a burst with a possible optical counterpart
1.5′′	116.42200	-4.63036	GCN #27709	GRB 200509A: Swift/UVOT Detection
2.8′′	116.42238	-4.63042	GCN #27703	GRB 200509A: Enhanced Swift-XRT position
2.8′′	116.42238	-4.63042	GCN #27710	GRB 200509A: GROWTH-India r band upper limits
27.2′′	116.41500	-4.63400	GCN #27713	GRB 200509A: 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		Query
147.9	116.4084	-4.6695	TYC 4840-1797-1	B=12.31, G=11.8906, H=11.232, J=11.303, K=11.152, V=11.83
168.6	116.3921	-4.5960	TYC 4840-1906-1	B=10.22, G=9.9564, H=9.495, J=9.555, K=9.386, V=9.90

* 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
9.8	116.4237	-4.6317		NED
22.5	116.4233	-4.6244		NED
32.0	116.4137	-4.6258		NED
32.2	116.4248	-4.6399	B=20.2, R2=19.3, i=18.6	SSS
32.7	116.4188	-4.6232	B1=18.8, B2=17.7, I=15.8, R1=17.0	USNO-B1
33.6	116.4179	-4.6217		NED
34.2	116.4121	-4.6325		NED
34.2	116.4316	-4.6267	B=21.9	SSS
35.7	116.4117	-4.6325		NED
37.3	116.4242	-4.6203		NED

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
3.3	116.4240	-4.6316	h=15.8, j=16.2, k=16.9	2MASS
3.5	116.4240	-4.6317	B1=18.5, B2=18.0, I=16.7, R1=17.6, R2=17.4	USNO-B1
24.5	116.4235	-4.6243	B2=19.2, I=17.8, R2=19.2	USNO-B1
31.9	116.4248	-4.6399	B2=19.6, I=17.8, R1=19.1, R2=19.0	USNO-B1
36.2	116.4273	-4.6403	B1=18.6, B2=17.7, I=16.2, R1=16.8, R2=17.2	USNO-B1
36.2	116.4273	-4.6403	h=15.5, j=15.9, k=15.3	2MASS
37.7	116.4191	-4.6407	I=17.9, R2=19.5	USNO-B1
38.4	116.4179	-4.6218	B1=16.3, B2=15.4, I=13.1, R1=14.1, R2=14.4	USNO-B1
38.8	116.4179	-4.6217	h=12.2, j=12.7, k=12.0	2MASS
39.1	116.4242	-4.6203	B1=18.4, B2=17.9, I=16.3, R1=17.3, R2=17.2	USNO-B1

Queried USNO-B1, SDSS, 2MASS.

There are 341 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.