2016MNRAS.457.3219C

Query : 2016MNRAS.457.3219C

2016MNRAS.457.3219C - Mon. Not. R. Astron. Soc., 457, 3219-3224 (2016/April-2)

The creation of AGB fallback shells.

CHEN Z., FRANK A., BLACKMAN E.G. and NORDHAUS J.

Abstract (from CDS):

The possibility that mass ejected during Asymptotic Giant Branch (AGB) stellar evolution phases falls back towards the star has been suggested in applications ranging from the formation of accretion discs to the powering of late-thermal pulses. In this paper, we seek to explicate the properties of fallback flow trajectories from mass-loss events. We focus on a transient phase of mass ejection with sub-escape speeds, followed by a phase of a typical AGB wind. We solve the problem using both hydrodynamic simulations and a simplified one-dimensional analytic model that matches the simulations. For a given set of initial wind characteristics, we find a critical shell velocity that distinguishes between 'shell fallback' and 'shell escape'. We discuss the relevance of our results for both single and binary AGB stars. In particular, we discuss how our results help to frame further studies of fallback as a mechanism for forming the substantial population of observed post-AGB stars with dusty discs.

Journal keyword(s): methods: numerical - stars: AGB and post-AGB - stars: winds, outflows

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* CK Vul	CV*	19 47 37.9577343864	+27 18 41.792401368						~	159	0

Query : 2016MNRAS.457.3219C

Basic data :

V* CK Vul -- Cataclysmic Binary

* (*,[HVZ2013],...), No* (2017ARep,NOVA), V* (V*,AAVSO), MIR (WISEA,WISE), CV* (2007MNRAS), LP? (2022yCat), NIR (2MASS)

19 47 37.9577343864 +27 18 41.792401368 (Optical) [ 0.1050 0.1429 90 ] A 2020yCat.1350....0G

19 45 34.9046328373 +27 11 12.148155365 [ 0.1050 0.1429 90 ]

063.3813521906727 +00.9890319579197 [ 0.1050 0.1429 90 ]

6.698 1.973 [0.141 0.197 90] A 2020yCat.1350....0G

0.066 [0.1858] A 2020yCat.1350....0G

G 18.755743 [0.003470] C 2020yCat.1350....0G

J 15.462 [0.062] C 2003yCat.2246....0C

H 14.506 [0.055] C 2003yCat.2246....0C

K 14.173 [0.062] C 2003yCat.2246....0C

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*` 11 Vul`**	`TIC 452248097`	`WISE J194737.93+271842.7`	`Gaia DR3 2027981169466476544`
`2MASS J19473793+2718418`	*`V CK Vul`**	`[HVZ2013] variable 1`	`Gaia DR2 2027981169466476544`
`NOVA Vul 1670`	`WISEA J194738.01+271842.3`	`AAVSO 1943+27`

References (159 between 1850 and 2026) (Total 159)
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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`2MASS J19473793+2718418`	*`V CK Vul`**	`WISEA J194738.01+271842.3`	`WISE J194737.93+271842.7`	`Gaia DR3 2027981169466476544`
`Gaia DR2 2027981169466476544`

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