2022MNRAS.511.5570H

Query : 2022MNRAS.511.5570H

2022MNRAS.511.5570H - Mon. Not. R. Astron. Soc., 511, 5570-5577 (2022/April-3)

The effect of enriched accreted matter on the development of novae.

HILLMAN Y. and GERBI M.

Abstract (from CDS):

The development of a nova eruption is well known to be determined by the white dwarf (WD) mass and the rate at which it accretes mass from its donor. One of the advancements in this field is the understanding that the occurrence of a nova eruption depends on the presence of heavy elements in the envelope, and that the concentration of these elements is highly dependent on the time allotted for accretion. This results in many features of the eruption being correlated with the mass fractions of heavy elements in the ejected material, however, the accreted material is always assumed to be of solar metallicity. Here, we explored the entire range of accretion rates on to a 1.25 M☉ WD for two cases of highly enriched accreted material and find enrichment to have an influence on certain features for high accretion rates, while the effect of enrichment on low accretion rates is negligible. We further find that the ignition of the thermonuclear runaway which is known to be dependent on the accumulation of a critical mass, is actually dependent on the accumulation of a critical amount of heavy elements.

Abstract Copyright: © 2022 The Author(s) Published by Oxford University Press on behalf of Royal Astronomical Society

Journal keyword(s): stars: AGB and post-AGB - (stars:) binaries: close - (stars:) binaries: symbiotic - (stars:) novae, cataclysmic variables - (stars:) white dwarfs - transients: novae

Simbad objects: 1

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Number of rows : 1
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 V* V5589 Sgr No* 17 45 28.03 -23 05 22.8           ~ 47 0

Query : 2022MNRAS.511.5570H

Basic data :
V* V5589 Sgr -- Classical Nova
Other object types: otypes_help 		No* (2017ARep,NOVA,...), CV* (2020MNRAS), V* (V*), * (Gaia)
ICRS coord. (ep=J2000) : 		17 45 28.03 -23 05 22.8 [ ] B 2012CBET.3089....1K
FK4 coord. (ep=B1950 eq=1950) : 		17 42 25.84 -23 04 12.6 [ ]
Gal coord. (ep=J2000) : 		004.97666 +03.07238 [ ]
Fluxes (4) :
G 18.2165 [0.0528] C 2018yCat.1345....0G
J 15.813 [0.035] C 2013A&A...554A.123S
H 15.421 [0.047] C 2013A&A...554A.123S
K 15.178 [0.056] C 2013A&A...554A.123S
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Identifiers (4) :
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NOVA Sgr 2012 PNV J17452791-2305213 V* V5589 Sgr Gaia DR2 4068844517774588544

References (47 between 1850 and 2026) (Total 47)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).
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V* V5589 Sgr Gaia DR2 4068844517774588544

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