On the nature of the microquasar V4641 sagittarii

S. Chaty; I. F. Mirabel; J. Martí; L. F. Rodríguez

doi:10.1023/A:1011626825279

On the nature of the microquasar V4641 sagittarii

S. Chaty, I. F. Mirabel, J. Martí, L. F. Rodríguez

UNAM Campus Morelia

Research output: Contribution to journal › Article › peer-review

Abstract

We present photometric and spectroscopic optical and near-infrared (NIR) observations taken during the outburst on September 1999 of the source V4641 Sgr = SAX J1819.3-2525 (in't Zand et al., 2000) = XTE J1819-254 (Markwardt et al., 1999). We show that our observations suggest a distance between 4 and 8 kpc, the spectral type of the companion star being constrained between B3 and A2 V, making the system a High Mass X-ray Binary System (HMXB). In view of the radio and optical/NIR observations, it is possible that the ejecta of the source interacted with the surrounding medium of the source.

Original language	English
Pages (from-to)	153-156
Number of pages	4
Journal	Astrophysics and Space Science
Volume	276
DOIs	https://doi.org/10.1023/A:1011626825279
Publication status	Published - 1 Jan 2001
Externally published	Yes

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title = "On the nature of the microquasar V4641 sagittarii",

abstract = "We present photometric and spectroscopic optical and near-infrared (NIR) observations taken during the outburst on September 1999 of the source V4641 Sgr = SAX J1819.3-2525 (in't Zand et al., 2000) = XTE J1819-254 (Markwardt et al., 1999). We show that our observations suggest a distance between 4 and 8 kpc, the spectral type of the companion star being constrained between B3 and A2 V, making the system a High Mass X-ray Binary System (HMXB). In view of the radio and optical/NIR observations, it is possible that the ejecta of the source interacted with the surrounding medium of the source.",

author = "S. Chaty and Mirabel, \{I. F.\} and J. Mart{\'i} and Rodr{\'i}guez, \{L. F.\}",

year = "2001",

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doi = "10.1023/A:1011626825279",

language = "English",

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T1 - On the nature of the microquasar V4641 sagittarii

AU - Chaty, S.

AU - Mirabel, I. F.

AU - Martí, J.

AU - Rodríguez, L. F.

PY - 2001/1/1

Y1 - 2001/1/1

N2 - We present photometric and spectroscopic optical and near-infrared (NIR) observations taken during the outburst on September 1999 of the source V4641 Sgr = SAX J1819.3-2525 (in't Zand et al., 2000) = XTE J1819-254 (Markwardt et al., 1999). We show that our observations suggest a distance between 4 and 8 kpc, the spectral type of the companion star being constrained between B3 and A2 V, making the system a High Mass X-ray Binary System (HMXB). In view of the radio and optical/NIR observations, it is possible that the ejecta of the source interacted with the surrounding medium of the source.

AB - We present photometric and spectroscopic optical and near-infrared (NIR) observations taken during the outburst on September 1999 of the source V4641 Sgr = SAX J1819.3-2525 (in't Zand et al., 2000) = XTE J1819-254 (Markwardt et al., 1999). We show that our observations suggest a distance between 4 and 8 kpc, the spectral type of the companion star being constrained between B3 and A2 V, making the system a High Mass X-ray Binary System (HMXB). In view of the radio and optical/NIR observations, it is possible that the ejecta of the source interacted with the surrounding medium of the source.

U2 - 10.1023/A:1011626825279

DO - 10.1023/A:1011626825279

M3 - Article

AN - SCOPUS:0242449934

SN - 0004-640X

VL - 276

SP - 153

EP - 156

JO - Astrophysics and Space Science

JF - Astrophysics and Space Science

ER -

On the nature of the microquasar V4641 sagittarii

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