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Dissipationless galaxy formation and the r1/4 law
Open accessAbstract
Results of collision-free N-body simulations of the collapse phase of galaxy formation are presented. A variety of irregular initial conditions produce density distributions that are in very good agreement with the r1/4 law, provided that the collapse factor is large. This agreement holds for a region between radii containing 10 and 99 per cent of the total mass in the r1/4 model and corresponds to a range in surface brightness of 12 mag. The central densities in the equilibrium configurations are up to a factor 1000 larger than the initial densities. The final models have a strongly anisotropic velocity distribution in their envelopes.
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Citations
Cited by
Structure and Formation of Elliptical and Spheroidal Galaxies
Bender, R. (2016) · doi:10.15781/t28g8fm0v · Cited by 555
Formation of Early‐Type Galaxies from Cosmological Initial Conditions
Naab, T., Johansson, P. H., Ostriker, J. P., & Efstathiou, G. (2007) · The Astrophysical Journal · doi:10.1086/510841 · Cited by 408
Birrer (2020) · doi:10.1051/0004-6361/202038861 · Cited by 396
Formation of solitonic stars through gravitational cooling
Seidel, E., & Suen, W.-M. (1994) · Physical Review Letters · doi:10.1103/physrevlett.72.2516 · Cited by 329
Early-Type Galaxies in the Sloan Digital Sky Survey. I. The Sample
Bernardi, M., Sheth, R. K., Annis, J., Burles, S., Eisenstein, D. J., Finkbeiner, D. P., Hogg, D. W., Lupton, R. H., Schlegel, D. J., SubbaRao, M., et al. (2003) · The Astronomical Journal · doi:10.1086/367776 · Cited by 275
Metadata
- Authors
- van Albada, T. S.
- Venue
- Monthly Notices of the Royal Astronomical Society
- Publisher
- Oxford University Press (OUP)
- Published
- 1982-12-01
- Volume
- 201
- Issue
- 4
- Pages
- 939-955
- ISSN
- 0035-8711 (ISSN-L)
- 1365-2966
- OpenAlex
- W2506425660
- Cited by
- 378
- References
- 0
- FWCI
- 9.12
- Type
- journal article
- Language
- en
- Open access
- bronze
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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.
