On the inclination of extra-solar planetary orbits
- 1 February 1985
- journal article
- research article
- Published by IOP Publishing in Publications of the Astronomical Society of the Pacific
- Vol. 97 (588) , 180
- https://doi.org/10.1086/131516
Abstract
The authors show that the inclination of a planetary orbital axis can be determined, on the assumption that it is the same as the inclination of the stellar rotation axis. The latter may be derived from the apparent stellar rotation speed (v sin i) and the rotation period determined from the modulation or strength of Ca II emission.Keywords
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