SIMBAD references

2015A&A...576A.119T - Astronomy and Astrophysics, volume 576A, 119-119 (2015/4-1)

SALT observations of southern post-novae.

TOMOV T., SWIERCZYNSKI E., MIKOLAJEWSKI M. and ILKIEWICZ K.

Abstract (from CDS):

We report on recent optical observations of the stellar and the nebular remnants of 22 southern post-novae. In this study, for each of our targets, we obtained and analysed long-slit spectra in the spectral range 3500-6600Å and in Hα+[NII] narrow-band images. The changes in the emission lines' equivalent widths with the time since the outburst agree with earlier published results of other authors. We estimated an average value α=2.37 for the exponent of the power law fitted to the post-novae continua. Our observations clearly show the two-component structure of the V842 Cen expanding nebulae, owing to the different velocities of the ejected matter. We discovered an expanding shell around V382 Vel with an outer diameter of about 12''.

Abstract Copyright:

Journal keyword(s): novae, cataclysmic variables

Simbad objects: 36

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2021.03.05-20:03:49

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