Nova V351 Puppis 1991: A multiwavelength study of the nebular phase

P. Saizar, I. Pachoulakis, S. N. Shore, Sumner Starrfield, R. E. Williams, E. Rothschild, G. Sonneborn

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

We combine ground-based optical and IUE spectrophotometry to study the physical conditions in the shell of Nova V351 Puppis 1991. The structure and the evolution of the shell during the early nebular (i.e. optically thin) phase are discussed in this paper. The reddening, derived from recombination lines, is E(B - V) = 0.72 ± 0.10. The optical/UV light curves imply a distance of 3.0 ± 0.5 kpc. These values are found to be consistent with a study of the reddening in the stellar field near the nova. Abundances from the emission-line spectra yield enhancements within the predictions of thermonuclear runaway models for classical novae. Relative to solar by number, they are: He/H = 1.7, C/H = 3.5, N/H = 130, O/H = 38, Ne/H = 120, Al/Si = 28. The shell shows a low ejected mass (Mej ∼ 10-7 M), implying a high- mass white dwarf. The optical spectra reveal a strong red excess, which we tentatively attribute to the red companion. The strength of this continuum suggests that the companion is either a giant or an irradiated main-sequence star.

Original languageEnglish (US)
Pages (from-to)280-292
Number of pages13
JournalMonthly Notices of the Royal Astronomical Society
Volume279
Issue number1
StatePublished - 1996

Fingerprint

shell
novae
IUE
star distribution
main sequence stars
spectrophotometry
light curve
line spectra
optical spectrum
emission spectra
continuums
recombination
augmentation
predictions
prediction
physical conditions

Keywords

  • Novae, cataclysmic variables
  • Stars: individual: Nova Puppis 1991
  • Ultraviolet: stars

ASJC Scopus subject areas

  • Space and Planetary Science

Cite this

Saizar, P., Pachoulakis, I., Shore, S. N., Starrfield, S., Williams, R. E., Rothschild, E., & Sonneborn, G. (1996). Nova V351 Puppis 1991: A multiwavelength study of the nebular phase. Monthly Notices of the Royal Astronomical Society, 279(1), 280-292.

Nova V351 Puppis 1991 : A multiwavelength study of the nebular phase. / Saizar, P.; Pachoulakis, I.; Shore, S. N.; Starrfield, Sumner; Williams, R. E.; Rothschild, E.; Sonneborn, G.

In: Monthly Notices of the Royal Astronomical Society, Vol. 279, No. 1, 1996, p. 280-292.

Research output: Contribution to journalArticle

Saizar, P, Pachoulakis, I, Shore, SN, Starrfield, S, Williams, RE, Rothschild, E & Sonneborn, G 1996, 'Nova V351 Puppis 1991: A multiwavelength study of the nebular phase', Monthly Notices of the Royal Astronomical Society, vol. 279, no. 1, pp. 280-292.
Saizar P, Pachoulakis I, Shore SN, Starrfield S, Williams RE, Rothschild E et al. Nova V351 Puppis 1991: A multiwavelength study of the nebular phase. Monthly Notices of the Royal Astronomical Society. 1996;279(1):280-292.
Saizar, P. ; Pachoulakis, I. ; Shore, S. N. ; Starrfield, Sumner ; Williams, R. E. ; Rothschild, E. ; Sonneborn, G. / Nova V351 Puppis 1991 : A multiwavelength study of the nebular phase. In: Monthly Notices of the Royal Astronomical Society. 1996 ; Vol. 279, No. 1. pp. 280-292.
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