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Age Spread of the Orion Nebular Stars

Published online by Cambridge University Press:  14 August 2015

Syuzo Isobe  and
Goro Sasaki
Syuzo Isobe
Affiliation:
Tokyo Astronomical Observatory, University of Tokyo, 2-21-1, Osawa, Mitaka, Tokyo, Japan, 181
Goro Sasaki
Affiliation:
Tokyo Astronomical Observatory, University of Tokyo, 2-21-1, Osawa, Mitaka, Tokyo, Japan, 181

Extract

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The Orion Nebula is a recent star formation place on a sequence of star formation in the Orion Association Ia to Id and further to the Orion Molecular cloud as shown by Kutner, Tucker, Chin, and Thaddeus (1977). From the photoelectric observations, Penston (1973, 1975) obtained the age of the Nebula younger than 3×106 years.

Type
Session 2: Pre-Main-Sequence Evolution and Formation of Binary Stars
Information
Symposium - International Astronomical Union , Volume 93: Fundamental Problems in the Theory of Stellar Evolution , 1981 , pp. 99
Copyright
Copyright © Reidel 1981