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Comparisons of a standard galaxy model with stellar observations in five fields
Abstract
Modern data on the distribution of stellar colors and on the number of stars as a function of apparent magnitude in five directions in the Galaxy are analyzed. It is found that the standard model is consistent with all the available data. Detailed comparisons with the data for five separate fields are presented. The bright end of the spheroid luminosity function and the blue tip of the spheroid horizontal branch are analyzed. The allowed range of the disk scale heights and of fluctuations in the volume density is determined, and a lower limit is set on the disk scale length. Calculations based on the thick disk model of Gilmore and Reid (1983) are presented.
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Cited by
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Drukier, A. K., Freese, K., & Spergel, D. N. (1986) · Physical Review D · doi:10.1103/physrevd.33.3495 · Cited by 855
The Ghost of Sagittarius and Lumps in the Halo of the Milky Way
Newberg, H. J., Yanny, B., Rockosi, C., Grebel, E. K., Rix, H., Brinkmann, J., Csabai, I., Hennessy, G., Hindsley, R. B., Ibata, R., et al. (2002) · The Astrophysical Journal · doi:10.1086/338983 · Cited by 760
Girardi, L., Groenewegen, M. A. T., Hatziminaoglou, E., & da Costa, L. (2005) · Astronomy & Astrophysics · doi:10.1051/0004-6361:20042352 · Cited by 640
The Galactic Thick Disk Stellar Abundances
Prochaska, J. X., Naumov, S. O., Carney, B. W., McWilliam, A., & Wolfe, A. M. (2000) · The Astronomical Journal · doi:10.1086/316818 · Cited by 422
Streams, Substructures, and the Early History of the Milky Way
Helmi, A. (2020) · Annual Review of Astronomy and Astrophysics · doi:10.1146/annurev-astro-032620-021917 · Cited by 407
Metadata
- Authors
- Bahcall, J. N., & Soneira, R. M.
- Venue
- The Astrophysical Journal Supplement Series
- Publisher
- American Astronomical Society
- Published
- 1984-05
- Volume
- 55
- Pages
- 67
- ISSN
- 0067-0049 (ISSN-L)
- 1538-4365
- OpenAlex
- W2085066178
- Cited by
- 170
- References
- 0
- Type
- conference abstract
- Language
- en
- Open access
- closed
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- Bahcall, J. N., & Soneira, R. M. (1984). Comparisons of a standard galaxy model with stellar observations in five fields. The Astrophysical Journal Supplement Series. https://doi.org/10.1086/190948
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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.
