Advanced

Is our Sun a singleton?

Davies, Melvyn B LU ; Malmberg, Daniel LU ; Chambers, J. E.; Church, R P; De Angeli, F.; Mackey, D. and Wilkinson, M. I. (2008) In Physica Scripta T130.
Abstract
All stars are formed in some form of cluster or association. These environments can have a much higher number density of stars than the field of the galaxy. Such crowded places are hostile environments: a large fraction of initially single stars will undergo close encounters with other stars or exchange into binaries. We describe how such close encounters and exchange encounters will affect the properties of a planetary system around a single star. We define singletons as single stars which have never suffered close encounters with other stars or spent time within a binary system. It may be that planetary systems similar to our own solar system can only survive around singletons. Close encounters or the presence of a stellar companion will... (More)
All stars are formed in some form of cluster or association. These environments can have a much higher number density of stars than the field of the galaxy. Such crowded places are hostile environments: a large fraction of initially single stars will undergo close encounters with other stars or exchange into binaries. We describe how such close encounters and exchange encounters will affect the properties of a planetary system around a single star. We define singletons as single stars which have never suffered close encounters with other stars or spent time within a binary system. It may be that planetary systems similar to our own solar system can only survive around singletons. Close encounters or the presence of a stellar companion will perturb the planetary system, leading to strong planet-planet interactions, often leaving planets on tighter and more eccentric orbits. Thus, planetary systems which initially resembled our own solar system may later more closely resemble the observed exoplanetary systems. (Less)
Please use this url to cite or link to this publication:
author
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Physica Scripta
volume
T130
publisher
Institute of Physics Publishing Ltd.
external identifiers
  • wos:000257677400031
  • scopus:53349144353
ISSN
0031-8949
DOI
10.1088/0031-8949/2008/T130/014030
language
English
LU publication?
yes
id
b8489c21-dfd9-45be-8e11-99f64b453d7f (old id 1254587)
date added to LUP
2008-10-29 15:57:57
date last changed
2017-01-01 04:54:17
@article{b8489c21-dfd9-45be-8e11-99f64b453d7f,
  abstract     = {All stars are formed in some form of cluster or association. These environments can have a much higher number density of stars than the field of the galaxy. Such crowded places are hostile environments: a large fraction of initially single stars will undergo close encounters with other stars or exchange into binaries. We describe how such close encounters and exchange encounters will affect the properties of a planetary system around a single star. We define singletons as single stars which have never suffered close encounters with other stars or spent time within a binary system. It may be that planetary systems similar to our own solar system can only survive around singletons. Close encounters or the presence of a stellar companion will perturb the planetary system, leading to strong planet-planet interactions, often leaving planets on tighter and more eccentric orbits. Thus, planetary systems which initially resembled our own solar system may later more closely resemble the observed exoplanetary systems.},
  articleno    = {014030},
  author       = {Davies, Melvyn B and Malmberg, Daniel and Chambers, J. E. and Church, R P and De Angeli, F. and Mackey, D. and Wilkinson, M. I.},
  issn         = {0031-8949},
  language     = {eng},
  publisher    = {Institute of Physics Publishing Ltd.},
  series       = {Physica Scripta},
  title        = {Is our Sun a singleton?},
  url          = {http://dx.doi.org/10.1088/0031-8949/2008/T130/014030},
  volume       = {T130},
  year         = {2008},
}