Imaging and analysis of neon nova V382 VEL shell

• Grant number: 19/07793-2
• Support Opportunities: Regular Research Grants - Publications - Scientific article
• Start date: May 01, 2019
• End date: October 31, 2019
• Field of knowledge: Physical Sciences and Mathematics - Astronomy - Stellar Astrophysics
• Principal Investigator: Marcos Perez Diaz
• Grantee: Marcos Perez Diaz
• Host Institution: Instituto de Astronomia, Geofísica e Ciências Atmosféricas (IAG). Universidade de São Paulo (USP). São Paulo , SP, Brazil

Abstract

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 H± and [O III] 5007A revealing different structures in each filter. The shell's angular diameter obtained was 9.9 arcsec, equivalent to 2.8×10^17cm, using the distance of 1.79 kpc obtained by Gaia mission. The upper limit for total shell mass derived from recombination lines is Ms = 1.4×10^4 Msun. Our photoionization models indicate an accretion disk with Td = 60,000 K and L = 10^36 erg/s as main ionizing source. (AU)