2016MNRAS.460.1086M

Query : 2016MNRAS.460.1086M

2016MNRAS.460.1086M - Mon. Not. R. Astron. Soc., 460, 1086-1093 (2016/July-3)

The formation efficiency of close-in planets via Lidov-Kozai migration: analytic calculations.

MUNOZ D.J., LAI D. and LIU B.

Abstract (from CDS):

Lidov-Kozai oscillations of planets in stellar binaries, combined with tidal dissipation, can lead to the formation of hot Jupiters (HJs) or tidal disruption of planets. Recent population synthesis studies have found that the fraction of systems resulting in HJs (F_HJ) depends strongly on the planet mass, host stellar type and tidal dissipation strength, while the total migration fraction F_mig =F_HJ+F_dis (including both HJ formation and tidal disruption) exhibits much weaker dependence. We present an analytical method for calculating F_HJ and F_mig in the Lidov-Kozai migration scenario. The key ingredient of our method is to determine the critical initial planet-binary inclination angle that drives the planet to reach sufficiently large eccentricity for efficient tidal dissipation or disruption. This calculation includes the effects of the octupole potential and short-range forces on the planet. Our analytical method reproduces the planet migration/disruption fractions obtained from population synthesis, and can be easily implemented for various planet and stellar/companion types, and for different distributions of initial planetary semimajor axes, binary separations and eccentricities. We extend our calculations to planets in the super-Earth mass range and discuss the conditions for such planets to survive Lidov-Kozai migration and form close-in rocky planets.

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

Journal keyword(s): planets and satellites: dynamical evolution and stability - binaries: general - planetary system - planetary system

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 * alf Cen B PM* 14 39 35.06311 -60 50 15.0992 2.89 2.21 1.33     K1V 1092 2

Query : 2016MNRAS.460.1086M

Basic data :
* alf Cen B -- High Proper Motion Star
Other object types: otypes_help 		* (*,CD,...), PM* (LHS,LFT,...), ** (**,CCDM,...)
ICRS coord. (ep=J2000) : 		14 39 35.06311 -60 50 15.0992 (Optical) [ 180.22 171.39 90 ] A 2007A&A...474..653V
FK4 coord. (ep=B1950 eq=1950) : 		14 36 10.09948 -60 38 01.6746 [ 180.22 171.39 90 ]
Gal coord. (ep=J2000) : 		315.73008383 -00.68171325 [ 180.22 171.39 90 ]
Proper motions mas/yr : 		-3614.39 802.98 [20.48 19.52 0] A 2007A&A...474..653V
Radial velocity / Redshift / cz : 		V(km/s) -22.586 [0.0001] / z(spectroscopic) -0.000075 [0.000000] / cz -22.59 [0.00]
   (Opt) A 2018A&A...616A...7S
Parallaxes (mas): 		742.12 [1.40] A 1997A&A...323L..49P
Spectral type: 		K1V C 2006A&A...460..695T
Fluxes (6) :
U 2.89 [~] C 2002yCat.2237....0D
B 2.21 [~] C 2002yCat.2237....0D
V 1.33 [~] C 2002yCat.2237....0D
J -0.01 [~] C 2002yCat.2237....0D
H -0.49 [~] C 2002yCat.2237....0D
K -0.60 [~] C 2002yCat.2237....0D
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Hierarchy : number of linked objects
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Identifiers (30) :
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LHS 51 GCRV 8518 LFT 1128 SPOCS 609
* alf Cen B GEN# +1.00128621 LTT 5807 TIC 471011144
* alf02 Cen GJ 559 B NAME Toliman TYC 9007-5848-1
** RHD 1B HD 128621 NLTT 37985 WDS J14396-6050B
CCDM J14396-6050B HIC 71681 PM 14362-6038B Zkh 210
CD-60 5293B HIP 71681 PMSC 14328-6025B [AOP94] 7
CPD-60 5483B HR 5460 RAVE J143935.1-605014
CSI-60 5483 42 IDS 14328-6025 B SKY# 26644

References (1092 between 1850 and 2026) (Total 1092)
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

Velocities : 16    Rot : 4    Fe/H : 49    Plx : 3    PM : 3    SpT : 3   

   

Observing logs
Herschel : 2    ISO : 11    IUE : 124   

   

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LHS 51 CCDM J14396-6050B GJ 559 B HD 128621 HIC 71681
HIP 71681 HR 5460 NLTT 37985 RAVE J143935.1-605014 TYC 9007-5848-1
WDS J14396-6050B

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