2012ApJ...750..133H

Query : 2012ApJ...750..133H

2012ApJ...750..133H - Astrophys. J., 750, 133 (2012/May-2)

Stellar wind influence on planetary dynamos.

HEYNER D., GLASSMEIER K.-H. and SCHMITT D.

Abstract (from CDS):

We examine the possible influence of early stellar wind conditions on the evolution of planetary dynamo action. In our model, the dynamo operates within a significant ambient magnetospheric magnetic field generated by the interaction between the stellar wind and the planetary magnetic field. This provides a negative feedback mechanism which quenches the dynamo growth. The external magnetic field magnitude which the dynamo experiences, and thus the strength of the quenching, depends on the stellar wind dynamic pressure. As this pressure significantly changes during stellar evolution, we argue that under early stellar system conditions the coupling between the stellar wind and the interior dynamics of a planet is much more important than has been thought up to now. We demonstrate the effects of the feedback coupling in the course of stellar evolution with a planet at a similar distance to the central star as Mercury is to the Sun.

Abstract Copyright: ∼

Journal keyword(s): dynamo - planet-star interactions - planets and satellites: magnetic fields

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 WASP-12b Pl 06 30 32.7966092352 +29 40 20.263502460           ~ 847 1

Query : 2012ApJ...750..133H

Basic data :
WASP-12b -- Extra-solar Planet
Other object types: otypes_help 		Pl (), Pl? (TOI,WASP)
ICRS coord. (ep=J2000) : 		06 30 32.7966092352 +29 40 20.263502460 (Optical) [ 0.0153 0.0132 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		06 27 21.2768800507 +29 42 26.838969205 [ 0.0153 0.0132 90 ]
Gal coord. (ep=J2000) : 		184.0830946617460 +08.9363998587517 [ 0.0153 0.0132 90 ]
Proper motions mas/yr : 		-1.519 -6.761 [0.019 0.015 90] A 2020yCat.1350....0G
Parallaxes (mas): 		2.4213 [0.0166] A 2020yCat.1350....0G
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TOI-1725b TOI-1725.01 WASP-12b

References (847 between 1850 and 2026) (Total 847)
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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