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The initial mass function and stellar birthrate in the solar neighborhood
Abstract
The paper examines the initial mass function (IMF) and time history of the stellar birthrate in the solar neighborhood under the assumption of a time-independent IMF over the lifetime of the galactic disk. All relevant observational quantities and the associated uncertainties are discussed. Also discussed are IMFs derived for a range of birthrate histories consistent with the continuity constraint. Finally, the study summarizes observational and theoretical arguments concerning the basic assumptions that the IMF is time independent and a continuous function of mass.
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Citations
Cited by
Galactic Stellar and Substellar Initial Mass Function
Chabrier, G. (2003) · Publications of the Astronomical Society of the Pacific · doi:10.1086/376392 · Cited by 9,071
On the variation of the initial mass function
Kroupa, P. (2001) · Monthly Notices of the Royal Astronomical Society · doi:10.1046/j.1365-8711.2001.04022.x · Cited by 7,499
Star Formation in the Milky Way and Nearby Galaxies
Kennicutt, R. C., & Evans, N. J. (2012) · Annual Review of Astronomy and Astrophysics · doi:10.1146/annurev-astro-081811-125610 · Cited by 2,902
“More recent determinations over a wider range of masses, including brown dwarfs, indicate a clear flattening at lower masses, either as broken power laws (Kroupa et al. 1993) or a log-normal distribution (Miller & Scalo 1979; Chabrier 2003).”
BackgroundCole, S., Lacey, C. G., Baugh, C. M., & Frenk, C. S. (2002) · Monthly Notices of the Royal Astronomical Society · doi:10.1046/j.1365-8711.2000.03879.x · Cited by 1,952
The Initial Mass Function of Stars: Evidence for Uniformity in Variable Systems
Kroupa, P. (2002) · Science · doi:10.1126/science.1067524 · Cited by 1,793
Metadata
- Authors
- Miller, G. E., & Scalo, J. M.
- Venue
- The Astrophysical Journal Supplement Series
- Publisher
- American Astronomical Society
- Published
- 1979-11
- Volume
- 41
- Pages
- 513
- ISSN
- 0067-0049 (ISSN-L)
- 1538-4365
- OpenAlex
- W2025020517
- Cited by
- 1,436
- References
- 0
- Type
- conference abstract
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: The initial mass function and stellar birthrate in the solar neighborhood. https://app.cochat.ai/papers/10.1086/190629
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- Miller, G. E., & Scalo, J. M. (1979). The initial mass function and stellar birthrate in the solar neighborhood. The Astrophysical Journal Supplement Series. https://doi.org/10.1086/190629
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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
