Are the nearby and photometric stellar luminosity functions different ?
Abstract
The stellar luminosity function derived from the sample of stars within 5.2-20 pc is the nearby luminosity function. The luminosity function obtained from deep low spatial resolution surveys to distances of typically 100-200 pc is the photometric luminosity function. We obtain and tabulate a best estimate of the parent distribution from which Malmquist-corrected photometric luminosity functions are sampled. This is presently the most accurate and precise available estimate of the true distribution of stars with absolute magnitude for Mν < 16.5, as derived from low-resolution surveys. Using rigorous statistical analysis, we find that the hypothesis that the nearby and photometric luminosity functions estimate the same parent luminosity function can be discarded with 99% confidence or better for Mν > 13, Mbol > 10.
- Publication:
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The Astrophysical Journal
- Pub Date:
- November 1995
- DOI:
- arXiv:
- arXiv:astro-ph/9505128
- Bibcode:
- 1995ApJ...453..350K
- Keywords:
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- Astrophysics
- E-Print:
- 14 pages, plain TeX, figures available on request, ApJ (to appear in Nov.1 issue of Part I)