2014MNRAS.445L.119L

Query : 2014MNRAS.445L.119L

2014MNRAS.445L.119L - Mon. Not. R. Astron. Soc., 445, L119-L123 (2014/November-3)

Orbital period of Swift J1816.7-1613 revealed by the Swift Burst Alert Telescope.

LA PAROLA V., SEGRETO A., CUSUMANO G., MASETTI N., D'AI A. and MELANDRI A.

Abstract (from CDS):

We have analysed the Swift data relevant to the high-mass X-ray binary Swift J1816.7-1613. The timing analysis of the Burst Alert Telescope survey data unveiled a modulation at a period of P0 = 118.5±0.8 d, which we interpret as the orbital period of the X-ray binary system. The modulation is the result of a sequence of bright flares, lasting ∼ 30 d, separated by long quiescence intervals. This behaviour is suggestive of a Be binary system, where periodic or quasi-periodic outbursts are the consequence of an enhancement of the accretion flow from the companion star at the periastron passage. The position of Swift J1816.7-1613 on the Corbet diagram strengthens this hypothesis. The broad-band 0.2-150keV spectrum is well modelled with a strongly absorbed power law with a flat photon index Γ ∼ 0.2 and a cut-off at ∼ 10keV.

Abstract Copyright: © 2014 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society (2014)

Journal keyword(s): surveys - X-rays: binaries - X-rays: individual: Swift J1816.7-1613

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 J1816.7-1613 HXB 18 16 42.66 -16 13 23.4           B0-2e 19 0

Query : 2014MNRAS.445L.119L

Basic data :
SWIFT J1816.7-1613 -- High Mass X-ray Binary
Other object types: otypes_help 		gam (), X (2022MNRAS,2CXO,...), HXB (2008ATel), Psr (2008ATel), XB* (2013ApJS), NIR (UGPS), ev (2013ApJS)
ICRS coord. (ep=J2000) : 		18 16 42.66 -16 13 23.4 (X-ray) [ 1000 1000 90 ] D 2008ATel.1457....1H
FK4 coord. (ep=B1950 eq=1950) : 		18 13 49.47 -16 14 30.1 [ 1000 1000 90 ]
Gal coord. (ep=J2000) : 		014.58725 +00.09156 [ 1000 1000 90 ]
Spectral type: 		B0-2e D 2019A&A...622A.198N
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Identifiers (7) :
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2CXO J181642.7-161322 SWIFT J1816.7-1613 UGPS J181642.74-161322.2 2XMMi J181642.7-161320
SWIFT J181642.3-161320 2SXPS J181642.5-161322 4XMM J181642.7-161321

References (19 between 1850 and 2026) (Total 19)
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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Collections of Measurements Description of Measurements

Var : 1    SpT : 1   

   

External archives :

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

Data at NED - NASA/IPAC Extragalactic Database : SWIFT J1816.7-1613

Link by name to the catalogue in VizieR :

UGPS J181642.74-161322.2

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