The Validity of Mass Functions for the Central Stars of Planetary Nebulae

Details The Validity of Mass Functions for the Central Stars of Planetary Nebulae The Validity of Mass Functions for the Central Stars of Planetary Nebulae

Jun 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000aj....119.3044p&link_type=abstract

The Astronomical Journal, Volume 119, Issue 6, pp. 3044-3049.

Astronomy and Astrophysics

Astronomy

5

Subject Headings: Ism: Planetary Nebulae: General, Stars: Agb And Post-Agb, Stars: Evolution, Stars: Luminosity Function, Mass Function

Scientific paper

It is commonly assumed that the distribution of masses for the central stars of planetary nebulae is strongly peaked about MCS≅0.6 Msolar. Such a mass function is similar to that deduced for white dwarfs. We show in the following, however, that certain of the procedures used to evaluate N(MCS) are seriously flawed and assume a nebular mass MNEB that is probably inappropriate. At the very least, the uncertainty in MNEB casts doubts upon the utility of these procedures, while the deduced functions N(MCS) may be in error.

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