Interferometric observations of V1663 Aquilae (nova AQL 2005)

B. F. Lane, A. Retter, J. A. Eisner, M. W. Muterspaugh, R. R. Thompson, J. L. Sokoloski

Research output: Contribution to journalArticle

13 Scopus citations

Abstract

We have resolved the classical nova V1663 Aql using long-baseline near-IR interferometry covering the period from ∼5 to 18 days after peak brightness. We directly measure the shape and size of the fireball, which we find to be asymmetric. In addition, we measure an apparent expansion rate of 0.21 ± 0.03 mas day-1. Assuming a linear expansion model, we infer a time of initial outburst approximately 4 days prior to peak brightness. When combined with published spectroscopic expansion velocities, our angular expansion rate implies a distance of 8.9 ± 3.6 kpc. This distance measurement is independent of, but consistent with, determinations made using widely available photometric relations for novae.

Original languageEnglish (US)
Pages (from-to)1150-1155
Number of pages6
JournalAstrophysical Journal
Volume669
Issue number2
DOIs
StatePublished - Nov 10 2007
Externally publishedYes

Keywords

  • Cataclysmic variables
  • Novae
  • Stars: individual (V1663 Aquilae)
  • Techniques: interferometric

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science

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    Lane, B. F., Retter, A., Eisner, J. A., Muterspaugh, M. W., Thompson, R. R., & Sokoloski, J. L. (2007). Interferometric observations of V1663 Aquilae (nova AQL 2005). Astrophysical Journal, 669(2), 1150-1155. https://doi.org/10.1086/521700