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Massive star formation near the Galactic center and the fate of the stellar remnants
Abstract
The constraints on star formation in and near a galactic nucleus are outlined, and the degree of the concentration of massive stellar remnants toward the nucleus is assessed. Within 10-100 parsecs of a galactic nucleus, star formation is strongly affected by the physical extremes of the nuclear region: strong tidal forces, strongly enhanced cloud turbulence and gas heating, and relatively large magnetic fields. Black hole remnants of massive stars will inevitably migrate in the central stellar core of a galaxy and be concentrated there. The radius from which they will sink into the core in the galaxy's lifetime depends on the central mass concentration; for the Milky Way, it is about 4 pc. Close gravitational interactions of stellar remnants with red giants in the central stellar core of the Galaxy occur with sufficient frequency to be important for the evolution of both. The stellar core of the Galaxy is currently bereft of gas, except for the winds emanating from the luminous stellar objects located there.
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Citations
Cited by
MONITORING STELLAR ORBITS AROUND THE MASSIVE BLACK HOLE IN THE GALACTIC CENTER
Gillessen, S., Eisenhauer, F., Trippe, S., Alexander, T., Genzel, R., Martins, F., & Ott, T. (2009) · The Astrophysical Journal · doi:10.1088/0004-637x/692/2/1075 · Cited by 1,779
Ghez, A. M., Salim, S., Weinberg, N. N., Lu, J. R., Do, T., Dunn, J. K., Matthews, K., Morris, M. R., Yelda, S., Becklin, E. E., et al. (2008) · The Astrophysical Journal · doi:10.1086/592738 · Cited by 1,577
Self-citationThe Galactic Center massive black hole and nuclear star cluster
Genzel, R., Eisenhauer, F., & Gillessen, S. (2010) · Reviews of Modern Physics · doi:10.1103/revmodphys.82.3121 · Cited by 1,236
THE GALACTIC CENTER ENVIRONMENT
Morris, M., & Serabyn, E. (1996) · Annual Review of Astronomy and Astrophysics · doi:10.1146/annurev.astro.34.1.645 · Cited by 930
Self-citationChandra X‐Ray Spectroscopic Imaging of Sagittarius A* and the Central Parsec of the Galaxy
Baganoff, F. K., Maeda, Y., Morris, M., Bautz, M. W., Brandt, W. N., Cui, W., Doty, J. P., Feigelson, E. D., Garmire, G. P., Pravdo, S. H., et al. (2003) · The Astrophysical Journal · doi:10.1086/375145 · Cited by 809
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Metadata
- Authors
- Morris, M.
- Venue
- The Astrophysical Journal
- Publisher
- American Astronomical Society
- Published
- 1993-05
- Volume
- 408
- Pages
- 496
- ISSN
- 0004-637X (ISSN-L)
- 1538-4357
- OpenAlex
- W1981324123
- Cited by
- 411
- References
- 0
- FWCI
- 15.58
- Type
- journal article
- Language
- en
- Open access
- closed
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