2011ATel.3169....1K

Query : 2011ATel.3169....1K

2011ATel.3169....1K - The Astronomer's Telegram, 3169, 1 (2011/February-0)

Swift observations of Swift J1843.5-0343.

KRIMM H.A., KENNEA J.A. and HOLLAND S.T.

Abstract (from CDS):

The binary pulsar system Swift J1843.5-0343 (Krimm et al, ATel #3109; Strohmayer

& Markwardt, ATel #3121) was observed with Swift starting at 2011 Feb 15

00:27:25 UT for 1.9 ksec in PC mode and starting at 2011 Feb 15 03:46:37 for 2.0 ksec in WT mode. A point source was found in the Swift/XRT at at the astrometrically corrected (utilizing the method of Evans et al, 2009, MNRAS, 397, 1177) location:

RA (J2000): 18 43 34.75 (280.89481 deg)

Dec (J2000): -03 42 56.6 (-3.71571 deg)

90% Error radius: 2.7"

The faintness of the source (mean of 0.038 ± 0.024 cts/s in 0.3-10 keV) makes spectral fitting difficult. Freezing the photon index at 2, gives an absorption

of N_H = 2.2 (+1.0/-0.7) x 10^23 erg/s/cm-2 for the PC mode data.

No source was found within the XRT error circle in UVOT uvw1 images, which is consistent with the large extinction in this direction.

We note that at the time of discovery (2011 Jan 9), Swift J1843.5-0343 was too near the Sun for Swift XRT or UVOT observations. Observations were carried out as soon as the source became visible. Since Feb 3, the source has been below the detection threshold of Swift/BAT.


Abstract Copyright: ∼

Journal keyword(s): Binary - Transient - Pulsar

Simbad objects: 1

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Number of rows : 1
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 SWIFT J1843.5-0343 LXB 18 43 34.75 -03 42 56.6           ~ 12 0

Query : 2011ATel.3169....1K

Basic data :
SWIFT J1843.5-0343 -- Low Mass X-ray Binary
Other object types: otypes_help 		gam (), LXB (2012ApJS), XB* (2013ApJS), X (SWIFT), ev (2013ApJS)
ICRS coord. (ep=J2000) : 		18 43 34.75 -03 42 56.6 (X-ray) [ 2700 2700 90 ] D 2011ATel.3169....1K
FK4 coord. (ep=B1950 eq=1950) : 		18 40 56.67 -03 46 00.4 [ 2700 2700 90 ]
Gal coord. (ep=J2000) : 		028.72972 +00.05141 [ 2700 2700 90 ]
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Identifiers (1) :
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SWIFT J1843.5-0343

References (12 between 1850 and 2026) (Total 12)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).
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External archives :

Archive data at HEASARC - High-Energy Astrophysics Science Archive Research Center

Data at NED - NASA/IPAC Extragalactic Database : SWIFT J1843.5-0343

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