Skip banner and navigation tools.

Home > GRB region information > 958592

Swift Trigger: 958592

Presumed name: GRB 200227A

Back to trigger list.

Related pages: Burst Analyser | Enhanced position | Light curve | Spectrum | Image | XRT Catalogue entry | Download obs data | GCN Notices

BAT	03h 45m 44.64s, +09° 29′ 27.6″
position:	(56.436, +9.491 ± 180″)
XRT	03h 45m 43.91s, +09° 28′ 57.2″
position:	(56.43296, 9.48256 ± 3.5″)
UVOT	No position available.
Galactic NHI:	1.23×100 cm-2
Galactic E(B-V):	0.252 mag

Best RA:	03h 45m 43.91s	= 56.43296 d
Best Dec:	+09° 28′ 57.2″	= 9.48256 d
Gal Lat:	-34.11
Gal Long:	178.14
Sun angle:	78.67°, -5.1 hr East of Sun

¹Sper #6 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 8 SPER messages, and 1 objects have been found

• • Object 1
  • RA (J2000) : 03 45 43.96 ( 56.43315)
  • Dec (J2000): +09 28 56.6 ( 9.48238)
  • Error (90%): 3.500"
  • Counts in Source: 611

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	Date reported	Source	Misc	Query
0.3′′	56.43300	9.48264		GCN #27234	GRB 200227A: Swift detection of a burst
1.2′′	56.43275	9.48231		GCN #27243	GRB 200227A: Enhanced Swift-XRT position
23.2′′	56.43300	9.48900		GCN #27246	GRB 200227A: 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*	Redshift		Catalogue	Query
10.5	56.4304	9.4839			NED
22.9	56.4292	9.4775			NED
24.2	56.4396	9.4831			NED
26.0	56.4321	9.4897			NED
28.7	56.4354	9.4750			NED
32.0	56.4333	9.4736			NED
34.6	56.4425	9.4825			NED
38.1	56.4271	9.4914			NED
44.4	56.4204	9.4803			NED
44.9	56.4204	9.4810		B1=20.7, R2=20.0	USNO-B1

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

There are 194 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
38.9	56.4271	9.4917	R1=20.0, R2=19.9	USNO-B1
56.1	56.4320	9.4670	h=15.9, j=16.5, k=15.9	2MASS
56.1	56.4320	9.4670	B1=19.2, B2=19.3, R1=17.6, R2=18.0	USNO-B1
71.9	56.4525	9.4774	I=18.9, R2=19.9	USNO-B1
73.0	56.4475	9.4682	B1=23.2, R1=19.6	USNO-B1
73.2	56.4453	9.4989	h=14.1, j=14.8, k=13.8	2MASS
85.8	56.4112	9.4722	B2=20.8, R1=19.0, R2=19.9	USNO-B1
94.2	56.4251	9.4576	B1=20.1, B2=19.7, R1=18.2, R2=18.9	USNO-B1
94.7	56.4251	9.4574	h=16.5, j=16.8, k=16.2	2MASS
94.9	56.4067	9.4874	R1=23.9, R2=20.0	USNO-B1

Queried USNO-B1, SDSS, 2MASS.

There are 67 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.