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2019PASP..131e4205T - Publ. Astron. Soc. Pac., 131, part no 5, 4205-54205 (2019/May-0)

Imaging and analysis of neon nova V382 Vel shell.

TAKEDA L. and DIAZ M.

Abstract (from CDS):

We present the detection and imaging of the spatially resolved shell of nova V382 Vel with SOAR adaptive optics module (SAM). The shell was observed in narrow-band filters Hα and [O III] 5007 Å revealing different structures in each filter. The shell's angular diameter obtained was 9.9 arcsec, equivalent to 2.8 x 1017 cm, using the distance of 1.79 kpc obtained by the Gaia mission. The upper limit for total shell mass derived from recombination lines is Ms = 1.4 x 10–4 M☉. Our photoionization models indicate an accretion disk with Td = 60,000 K and L = 1036 erg/s as main ionizing source.

Abstract Copyright: © 2019. The Astronomical Society of the Pacific. All rights reserved.

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