Detection of a large Be circumstellar disk during X-ray quiescence of XTE J1946+274

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Arabaci M. O., Camero-Arranz A., Zurita C., Gutierrez-Soto J., Nespoli E., Suso J., ...More

ASTRONOMY & ASTROPHYSICS, vol.582, 2015 (SCI-Expanded) identifier identifier

  • Publication Type: Article / Article
  • Volume: 582
  • Publication Date: 2015
  • Doi Number: 10.1051/0004-6361/201425488
  • Journal Name: ASTRONOMY & ASTROPHYSICS
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Keywords: accretion, accretion disks, stars: emission-line, Be, X-rays: binaries, pulsars: individual: XTE J1946+274, TIME-SERIES ANALYSIS, BINARY-SYSTEMS, NEUTRON-STARS, SAX J2103.5+4545, PULSAR, ABUNDANCES, TELESCOPE, ACCRETION, SPECTRUM, MONITOR
  • Middle East Technical University Affiliated: Yes

Abstract

Aims. We present a multiwavelength study of the Be/X-ray binary system XTE J1946+274 with the main goal of better characterizing its behavior during X-ray quiescence. We also aim to shed light on the possible mechanisms which trigger the X-ray activity for this source.