2021MNRAS.502L.110C

Query : 2021MNRAS.502L.110C

2021MNRAS.502L.110C - Mon. Not. R. Astron. Soc., 502, L110-L114 (2021/March-3)

Successive common envelope events from multiple planets.

CHAMANDY L., BLACKMAN E.G., NORDHAUS J. and WILSON E.

Abstract (from CDS):

Many stars harbour multiplanet systems. As these stars expand late in their evolutions, the innermost planet may be engulfed, leading to a common envelope (CE) event. Even if this is insufficient to eject the envelope, it may expand the star further, causing additional CE events, with the last one unbinding what remains of the envelope. This multiplanet CE scenario may have broad implications for stellar and planetary evolution across a range of systems. We develop a simplified version and show that it may be able to explain the recently observed planet WD 1856 b.

Abstract Copyright: © 2021 The Author(s) Published by Oxford University Press on behalf of Royal Astronomical Society

Journal keyword(s): stars: AGB and post-AGB - white dwarfs - planets and satellites: formation - binaries: close - planets and satellites: individual: WD 1856+534 b

Simbad objects: 4

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Number of rows : 4
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 GALEX J091405.3+191412 WD* 09 14 05.3036291616 +19 14 12.275873700           DA+M 52 0
2 G 229-20B PM* 18 57 37.9107002616 +53 31 12.923576616           ~ 11 0
3 G 229-20A PM* 18 57 37.9595035944 +53 31 15.249569052           ~ 12 0
4 NAME LP 141-14b Pl 18 57 39.3436703328 +53 30 33.301040904           ~ 45 0

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