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Derivation of the initial luminosity function and the past rate of star formation

Published online by Cambridge University Press:  14 August 2015

M. Schmidt
M. Schmidt*
Affiliation:
Leiden Observatory

Extract

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The initial luminosity function ψ(Mv) was introduced by Salpeter. He assumed uniform formation of stars and derived the initial luminosity function from the observed main-sequence luminosity function and the life time of a star of magnitude Mv on the main sequence. Recently van den Bergh considered the depletion of the interstellar gas by star formation. He found that at a constant rate of star formation the gas in the solar vicinity will be exhausted about 7 × 108 years from now.

Type
II. Theoretical Interpretations of the Hertzsprung-Russell Diagram
Information
Symposium - International Astronomical Union , Volume 10: The Hertzsprung-Russell Diagram , 1959 , pp. 99 - 104
Copyright
Copyright © CNRS 1959 

References

[1] Salpeter, E. E., Ap. J. 121, 161, 1955.CrossRefGoogle Scholar
[2] van den Bergh, S., Zs. f. Ap. 43, 236, 1957.Google Scholar
[3] Walraven, Th., Muller, A. B., Oosterhoff, P. Th., B. A. N. 14, 81 (No. 484) 1958.Google Scholar
[4] Hoyle, F., this symposium, p. 83, 1959.CrossRefGoogle Scholar
[5] Schwarzschild, M., Structure and Evolution of the stars, Princeton University Press, 1958.CrossRefGoogle Scholar
[6] Mathis, J. S., Ap. J. 125, 328, 1957.CrossRefGoogle Scholar
[7] Schwarzschild, M., Howard, R., Harm, R., Ap. J. 125, 233, 1957.CrossRefGoogle Scholar