2012MNRAS.419..314H

Query : 2012MNRAS.419..314H

2012MNRAS.419..314H - Mon. Not. R. Astron. Soc., 419, 314-320 (2012/January-1)

XMM–Newton confirmation of a new intermediate polar: XMMU J185330.7-012815.

HUI C.Y., SRIRAM K. and CHOI C.-S.

Abstract (from CDS):

We report on the results of a detailed spectro-imaging and temporal analysis of an archival XMM-Newton observation of a new intermediate polar XMMU J185330.7-012815. Its X-ray spectrum can be well described by a multitemperature thermal plasma model with the K lines of heavy elements clearly detected. Possible counterparts of XMMU J185330.7-012815 have been identified in optical and ultraviolet (UV) bands. The low values of the inferred X-ray-to-UV and X-ray-to-optical flux ratios safely rule out the possibility of its being an isolated neutron star. We confirm the X-ray periodicity of ∼238 s but, differently from the previous preliminary results, we do not find any convincing evidence of phase shift in this observation. We further investigate its properties through an energy-resolved temporal analysis and find that the pulsed fraction monotonically increases with energy.

Abstract Copyright: 2011 The Authors Monthly Notices of the Royal Astronomical Society2011 RAS

Journal keyword(s): stars: individual: XMMU J185330.7-012815 - novae, cataclysmic variables - X-rays: stars

CDS comments: In Fig. 1 : Source A = 2XMM J185334.5-012736, Source B = TYC 5115-698-1.

Simbad objects: 14

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Number of rows : 14
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 V* V1033 Cas CV* 00 22 57.6446300016 +61 41 07.571581872           ~ 60 0
2 V* XY Ari CV* 02 56 08.19048 +19 26 34.1844           ~ 167 1
3 V* V418 Gem XB* 07 04 08.6690512152 +26 25 10.763614452           ~ 41 0
4 V* PQ Gem CV* 07 51 17.3280306912 +14 44 23.874868716   14.415 14.162 13.945   ~ 237 0
5 V* HT Cam CV* 07 57 01.3362559272 +63 06 02.000945340   16.36       ~ 78 0
6 V* DO Dra CV* 11 43 38.4921265896 +71 41 20.559036192       13.747   DQ 233 1
7 V* V1025 Cen CV* 12 38 16.3191432264 -38 42 45.836441856   15.20       ~ 90 0
8 V* EX Hya CV* 12 52 24.2222471899 -29 14 55.999766523   13.505 13.491 13.549   M5-6V 730 0
9 AX J1853.3-0128 CV* 18 53 30.6016744250 -01 28 15.738744500     16     ~ 13 0
10 TYC 5115-698-1 * 18 53 32.2369218912 -01 26 29.767901712   12.10 11.44     ~ 1 0
11 2XMM J185334.5-012736 X 18 53 34.5 -01 27 36           ~ 1 0
12 V* V2306 Cyg XB* 19 58 14.4693586728 +32 32 42.003103200 15.16 15.94 15.71 15.759   ~ 74 0
13 V* AE Aqr CV* 20 40 09.1598959176 -00 52 15.055595220   12.46 10.40   10.191 K3-5IV/V 705 0
14 V* FO Aqr CV* 22 17 55.3796835600 -08 21 03.754995948   13.533 13.445 13.414   ~ 378 0

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