Skip banner and navigation tools.

Home > GRB region information > 900730

Swift Trigger: 900730

Presumed name: GRB 190427A

Back to trigger list.

Related pages: XRT Catalogue entry | Download obs data | GCN Notices

BAT	18h 40m 51.12s, +40° 19′ 19.2″
position:	(280.213, +40.322 ± 180″)
XRT	No position available.
UVOT	No position available.
Galactic NHI:	6.06×100 cm-2
Galactic E(B-V):	0.069 mag

Best RA:	18h 40m 51.12s	= 280.213 d
Best Dec:	+40° 19′ 19.2″	= +40.322 d
Gal Lat:	19.05
Gal Long:	69.25
Sun angle:	98.44°, 7.6 hr West

---

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 1 SPER messges, but no object has been found.

See the SPER page for details of how the SPER image is searched for objects.

---

Known transients within 5′ of the GRB

Click on the offset to view the transient announcement.

Offset (′′)	RA	Dec	Date reported	Source	Misc	Query
0.0′′	280.21300	40.32200		GCN #24261	GRB 190427A: Swift detection of a short burst
0.0′′	280.21300	40.32200		GCN #24263	Swift GRB190427.19 Global MASTER-Net observations report
64.4′′	280.21667	40.30433		GCN #24330	GRB 190427A� Swift-BAT refined analysis

---

Catalogue Searches. Searched 3.33′ around BAT 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*	Redshift		Catalogue	Query
30.3	280.2225	40.3177		I=18.3, R2=19.9	USNO-B1
36.2	280.2068	40.3131		B1=20.7, B2=21.3	USNO-B1
39.1	280.2154	40.3114			NED
39.8	280.2142	40.3111			NED
49.4	280.2050	40.3097			NED
53.6	280.1940	40.3254		B1=18.9, B2=18.2, I=16.9, R1=17.6, R2=17.0	USNO-B1
54.1	280.2294	40.3303		B=20.6, R=18.6	APM-N
62.3	280.2292	40.3342			NED
63.6	280.1969	40.3347		B1=20.7, B2=20.9, I=18.3, R1=18.3, R2=19.1	USNO-B1
63.7	280.1970	40.3348		B=22.1, R=19.0	APM-N

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

There are 151 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	Query
25.8	280.2042	40.3195	B1=20.8, B2=20.7, R2=19.8	USNO-B1
26.0	280.2211	40.3258	B1=19.2, B2=18.5, I=17.8, R1=17.5, R2=17.7	USNO-B1
27.5	280.2069	40.3160	B1=20.3, B2=19.6, I=18.3, R1=18.5, R2=19.2	USNO-B1
33.5	280.2184	40.3137	B2=20.5, R1=19.1	USNO-B1
39.1	280.2156	40.3113	h=15.6, j=15.7, k=15.0	2MASS
39.4	280.2150	40.3112	B1=17.1, B2=16.4, I=15.4, R1=15.4, R2=15.4	USNO-B1
39.8	280.2143	40.3110	h=16.0, j=16.1, k=15.3	2MASS
40.6	280.2278	40.3225	B2=21.7, R2=20.3	USNO-B1
40.7	280.1999	40.3167	B1=20.1, B2=19.7, I=18.1, R1=18.4, R2=19.0	USNO-B1
41.4	280.2266	40.3170	B2=21.6, R1=19.4, R2=20.1	USNO-B1

Queried USNO-B1, SDSS, 2MASS.

There are 249 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.