2014MNRAS.441.1888V

Query : 2014MNRAS.441.1888V

2014MNRAS.441.1888V - Mon. Not. R. Astron. Soc., 441, 1888-1898 (2014/July-1)

Tides, planetary companions, and habitability: habitability in the habitable zone of low-mass stars.

VAN LAERHOVEN C., BARNES R. and GREENBERG R.

Abstract (from CDS):

Earth-scale planets in the classical habitable zone (HZ) are more likely to be habitable if they possess active geophysics. Without a constant internal energy source, planets cool as they age, eventually terminating tectonic activity. Planets orbiting low-mass stars can be very old, due to the longevity of such stars, so they may be rendered sterile to life in this way. However, the presence of an outer companion could generate enough tidal heat in the HZ planet to prevent such cooling. The range of mass and orbital parameters for the companion that give adequate long-term heating of the inner HZ planet, while avoiding very early total desiccation, is probably substantial. We locate the ideal location for the outer of a pair of planets, under the assumption that the inner planet has the same incident flux as Earth, orbiting example stars: a generic late M dwarf (Teff = 2670K) and the M9V/L0 dwarf DEN1048. Thus discoveries of Earth-scale planets in the HZ zone of old small stars should be followed by searches for outer companion planets that might be essential for current habitability.

Abstract Copyright: © 2014 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society (2014)

Journal keyword(s): astrobiology - celestial mechanics - planetary systems

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 DENIS J104814.6-395606 LM* 10 48 14.5736104113 -39 56 06.842743867     17.532 15.051 12.67 M8.5Ve: 141 0

Query : 2014MNRAS.441.1888V

Basic data :
DENIS J104814.6-395606 -- Low-mass Star
Other object types: otypes_help 		* (2014AJ,CNS5,...), PM* (2013MNRAS), ** (**,WDS), Rad (2006ApJ,[B2006]), NIR (2MASS,DENIS), LM* (2008AJ), MIR (WISEA), IR (2MASSI)
ICRS coord. (ep=J2000) : 		10 48 14.5736104113 -39 56 06.842743867 (Optical) [ 0.0334 0.0396 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		10 46 03.3381210710 -39 39 25.173910174 [ 0.0334 0.0396 90 ]
Gal coord. (ep=J2000) : 		278.6838364823195 +17.0658389477312 [ 0.0334 0.0396 90 ]
Proper motions mas/yr : 		-1179.311 -988.121 [0.056 0.056 90] A 2020yCat.1350....0G
Radial velocity / Redshift / cz : 		V(km/s) -11 [2] / z(spectroscopic) -0.000037 [0.000007] / cz -11.00 [2.00]
   (Opt) B 2015ApJS..220...18B
Parallaxes (mas): 		247.2156 [0.0512] A 2020yCat.1350....0G
Spectral type: 		M8.5Ve: C 2004AJ....128.2460H
Fluxes (7) :
V 17.532 [0.057] D 2005AJ....130..337C
R 15.051 [0.014] D 2005AJ....130..337C
G 14.005882 [0.002824] C 2020yCat.1350....0G
I 12.67 [1.00] C 2005yCat.2263....0D
J 9.538 [0.022] C 2003yCat.2246....0C
H 8.90 [0.04] C 2003yCat.2246....0C
K 8.447 [0.023] C 2003yCat.2246....0C
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Identifiers (16) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

2MASS J10481463-3956062 DENIS J104814.6-395606 2MUCD 20385 WISEA J104813.47-395617.3
** NHR 2A DENIS J104814.7-395606 TIC 107012050 [B2006] J104814.2-395609
CNS5 2647 DENIS J104814.9-395604 USNO-B1.0 0500-00227632 Gaia DR3 5393446658454453632
DENIS J1048.0-3956 2MASSI J1048147-395606 WDS J10482-3956A Gaia DR2 5393446658454453632

References (141 between 1850 and 2026) (Total 141)
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 : 2    Distance : 4    Fe/H : 1    Plx : 6    PM : 10    SpT : 4   

   

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Link by name to the catalogue in VizieR :

2MASS J10481463-3956062 DENIS J1048.0-3956 DENIS J104814.6-395606 DENIS J104814.7-395606 DENIS J104814.9-395604
2MASSI J1048147-395606 USNO-B1.0 0500-00227632 WDS J10482-3956A WISEA J104813.47-395617.3 Gaia DR3 5393446658454453632
Gaia DR2 5393446658454453632

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