Swift Trigger: 819490

Presumed name: GRB 180329B

BAT	05^h 31^m 39.84^s, -23° 42′ 28.8″
position:	(82.916, -23.708 ± 180″)
XRT	05^h 31^m 36.91^s, -23° 41′ 29.0″
position:	(82.9038, -23.6914 ± 2.7″)
UVOT	05^h 31^m 36.89^s, -23° 41′ 25.8″
position:	(82.9037, -23.6905 ± 0.6″)
Galactic N_HI:	2.26×10⁰ cm^-2
Galactic E(B-V):	0.035 mag

Best RA:	05^h 31^m 36.89^s	= 82.9037 d
Best Dec:	-23° 41′ 25.8″	= -23.6905 d

Gal Lat:	-27.48
Gal Long:	226.96

Sun angle:	77.75°, -5.0 hr East of Sun

¹Sper #5 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

u image

white image

Blink images with DSS (link via GSFC)

XRT SPER data

SPER results page for this trigger.

There are 6 SPER messages, and 1 objects have been found

- Object 1 - enhanced position.
- RA (J2000) : 05 31 36.92 (-23.6914)
- Dec (J2000): -23 41 28.9 ( -23.69106)
- Error (90%): 2.7
- Counts in Source: 41

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
0.2′′	82.90375	-23.69053	GCN #22558	GRB 180329B: Swift detection of a burst with an optical afterglow
0.3′′	82.90379	-23.69050	GCN #22565	GRB 180329B: Swift/UVOT Detection
0.5′′	82.90375	-23.69064	GCN #22562	GRB 180329B: NOT optical afterglow detection
1.3′′	82.90376	-23.69085	GCN #22559	GRB 180329B: Enhanced Swift-XRT position
13.3′′	82.90500	-23.69400	GCN #22566	GRB 180329B: 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
45.5	82.8908	-23.6872	TYC 6476-1611-1	B=12.94, G=11.392, H=9.306, J=9.898, K=9.188, V=11.87
155.8	82.8616	-23.6719	TYC 6476-1560-1	B=13.28, G=11.641, H=9.751, J=10.267, K=9.662, V=12.29

* 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
14.9	82.9010	-23.6881	B2=21.0, R1=18.4, R2=20.0	USNO-B1
21.6	82.8983	-23.6942		NED
31.1	82.8948	-23.6941	B2=20.8, R2=17.5	USNO-B1
36.8	82.8959	-23.6842	B2=21.2, I=18.6, R1=19.3, R2=19.4	USNO-B1
43.1	82.8907	-23.6912	I=18.4, R2=19.3	USNO-B1
43.4	82.8908	-23.6872		NED
63.4	82.9194	-23.7018	B2=20.9, I=18.3, R1=19.5, R2=19.7	USNO-B1
64.9	82.8891	-23.7034	B=21.8	SSS
78.4	82.8838	-23.6786		NED
79.8	82.9256	-23.7010	B=21.6, R2=20.7	SSS

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

There are 58 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
12.9	82.9014	-23.6942	B2=21.4, I=18.6, R2=19.7	USNO-B1
19.9	82.8986	-23.6943	B1=14.0, B2=12.8, I=12.6, R1=13.3, R2=13.1	USNO-B1
20.0	82.8986	-23.6943	h=11.6, j=11.8, k=11.6	2MASS
22.1	82.9101	-23.6892	B2=20.9, R2=20.9	USNO-B1
28.6	82.9014	-23.6838	h=15.3, j=15.9, k=15.2	2MASS
28.6	82.9014	-23.6838	B1=18.2, B2=17.5, I=16.4, R1=16.8, R2=16.6	USNO-B1
31.7	82.8954	-23.6871	B2=20.4, I=18.5, R2=20.2	USNO-B1
35.5	82.8932	-23.6933	B1=20.9, B2=18.9, I=17.6, R1=18.2, R2=17.9	USNO-B1
41.7	82.8962	-23.7007	B2=20.5, I=19.0, R2=20.6	USNO-B1
45.5	82.8908	-23.6872	h=9.3, j=9.9, k=9.2	2MASS

Queried USNO-B1, SDSS, 2MASS.

There are 99 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.