2017MNRAS.465.2053V


Query : 2017MNRAS.465.2053V

2017MNRAS.465.2053V - Mon. Not. R. Astron. Soc., 465, 2053-2059 (2017/February-3)

Binary star influence on post-main-sequence multi-planet stability.

VERAS D., GEORGAKARAKOS N., DOBBS-DIXON I. and GANSICKE B.T.

Abstract (from CDS):

Nearly every star known to host planets will become a white dwarf, and nearly 100 planet-hosts are now known to be accompanied by binary stellar companions. Here, we determine how a binary companion triggers instability in otherwise unconditionally stable single-star two-planet systems during the giant branch and white dwarf phases of the planet host. We perform about 700 full-lifetime (14 Gyr) simulations with A0 and F0 primary stars and secondary K2 companions, and identify the critical binary distance within which instability is triggered at any point during stellar evolution. We estimate this distance to be about seven times the outer planet separation for circular binaries. Our results help characterize the fates of planetary systems, and in particular which ones might yield architectures which are conducive to generating observable metal pollution in white dwarf atmospheres.

Abstract Copyright: © 2016 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): methods: numerical - celestial mechanics - minor planets, asteroids: general - planets and satellites: dynamical evolution and stability - white dwarfs - white dwarfs

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 LBQS 1145+0145 WD* 11 48 33.6297189672 +01 28 59.420446860           DB 216 0

Query : 2017MNRAS.465.2053V

Basic data :
LBQS 1145+0145 -- White Dwarf
Other object types:
otypes_help
* (1992ApJS,EPIC,...), WD* (1992ApJS,WD), WD? (2018MNRAS), QSO (LBQS), EB* (2016AJ), Opt (SDSS)
ICRS coord. (ep=J2000) :
11 48 33.6297189672 +01 28 59.420446860 (Optical) [ 0.0754 0.0600 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) :
11 45 59.9170490692 +01 45 40.291033773 [ 0.0754 0.0600 90 ]
Gal coord. (ep=J2000) :
269.8500485730851 +60.2522309712248 [ 0.0754 0.0600 90 ]
Proper motions mas/yr :
-43.664 -4.027 [0.105 0.075 90] A 2020yCat.1350....0G
Parallaxes (mas):
6.8534 [0.0907] A 2020yCat.1350....0G
Spectral type:
DB D 1992ApJS...78..409B
Fluxes (6) :
G 17.145735 [0.003365] C 2020yCat.1350....0G
u (AB) 16.832 [0.007] C 2008ApJS..175..297A
g (AB) 16.985 [0.004] C 2008ApJS..175..297A
r (AB) 17.288 [0.005] C 2008ApJS..175..297A
i (AB) 17.559 [0.007] C 2008ApJS..175..297A
z (AB) 17.822 [0.023] C 2008ApJS..175..297A
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Identifiers (7) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

WD 1145+017 HE 1145+0145 SDSS J114833.62+012859.4 Gaia DR3 3796414192429498880
EPIC 201563164 LBQS 1145+0145 Gaia DR2 3796414192429498880

References (216 between 1850 and 2026) (Total 216)
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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Collections of Measurements Description of Measurements

Distance : 2    Var : 1    Fe/H : 3    Plx : 2    PM : 3    SpT : 3   

   


External archives :

Data at NED - NASA/IPAC Extragalactic Database : LBQS 1145+0145

Link by name to the catalogue in VizieR :

WD 1145+017 LBQS 1145+0145 SDSS J114833.62+012859.4 Gaia DR2 3796414192429498880 Gaia DR3 3796414192429498880

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