Discovery of a large and bright bow shock nebula associated with low-mass X-ray binary SAX J1712.6-3739

K. Wiersema, Dave Russell, N. Degenaar, M. Klein-Wolt, R. Wrjnands, S. Heinz, A. M. Read, R. D. Saxton, N. R. Tanvir

Research output: Contribution to journalLetter

Abstract

In a multiwavelength programme dedicated to identifying optical counterparts of faint persistent X-ray sources in the Galactic bulge, we find an accurate X-ray position of SAX J1712.6-3739 through Chandra observations, and discover its faint optical counterpart using our data from EFOSC2 on the ESO 3.6-m telescope. We find this source to be a highly extincted neutron star low-mass X-ray binary (LMXB) with blue optical colours. We serendipitously discover a relatively bright and large bow shock shaped nebula in our deep narrow-band Hα imaging, most likely associated with the X-ray binary. A nebula like this has never been observed before in association with a LMXB, and as such provides a unique laboratory to study the energetics of accretion and jets. We put forward different models to explain the possible ways the LMXB may form this nebulosity, and outline how they can be confirmed observationally.

Original languageEnglish (US)
JournalMonthly Notices of the Royal Astronomical Society: Letters
Volume397
Issue number1
DOIs
StatePublished - Jul 1 2009

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bows
nebulae
shock
x rays
galactic bulge
European Southern Observatory
neutron stars
narrowband
energetics
accretion
telescopes
color

Keywords

  • ISM: jets and outflows
  • X-rays: binaries

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science

Cite this

Discovery of a large and bright bow shock nebula associated with low-mass X-ray binary SAX J1712.6-3739. / Wiersema, K.; Russell, Dave; Degenaar, N.; Klein-Wolt, M.; Wrjnands, R.; Heinz, S.; Read, A. M.; Saxton, R. D.; Tanvir, N. R.

In: Monthly Notices of the Royal Astronomical Society: Letters, Vol. 397, No. 1, 01.07.2009.

Research output: Contribution to journalLetter

Wiersema, K. ; Russell, Dave ; Degenaar, N. ; Klein-Wolt, M. ; Wrjnands, R. ; Heinz, S. ; Read, A. M. ; Saxton, R. D. ; Tanvir, N. R. / Discovery of a large and bright bow shock nebula associated with low-mass X-ray binary SAX J1712.6-3739. In: Monthly Notices of the Royal Astronomical Society: Letters. 2009 ; Vol. 397, No. 1.
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AU - Klein-Wolt, M.

AU - Wrjnands, R.

AU - Heinz, S.

AU - Read, A. M.

AU - Saxton, R. D.

AU - Tanvir, N. R.

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KW - ISM: jets and outflows

KW - X-rays: binaries

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