The DOI matches its Crossref record; 45 of the 46 references it cites were found in a registry or an index.
RE-ASSEMBLING THE SAGITTARIUS DWARF GALAXY
Open accessAbstract
What was the mass of the progenitor of the Sagittarius (Sgr) dwarf galaxy? Here, we reassemble the stellar debris using Sloan Digital Sky Survey and Two Micron All-Sky Survey data to find the total luminosity and likely mass. We find that the luminosity is in the range (9.6–13.2) × 10 7 L ☉ or M V ∼ −15.1 to −15.5, with 70% of the light residing in the debris streams. The progenitor is somewhat fainter than the present-day Small Magellanic Cloud, and comparable in brightness to the M31 dwarf spheroidals NGC 147 and NGC 185. Using cosmologically motivated models, we estimate that the mass of Sgr's dark matter halo prior to tidal disruption was ∼10 10 M ☉ .
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Cites
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Self-citationDWARF GALAXIES OF THE LOCAL GROUP
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The Galaxy in Context: Structural, Kinematic, and Integrated Properties
Bland-Hawthorn, J., & Gerhard, O. (2016) · Annual Review of Astronomy and Astrophysics · doi:10.1146/annurev-astro-081915-023441 · Cited by 1,656
Too big to fail? The puzzling darkness of massive Milky Way subhaloes
Boylan-Kolchin, M., Bullock, J. S., & Kaplinghat, M. (2011) · Monthly Notices of the Royal Astronomical Society Letters · doi:10.1111/j.1745-3933.2011.01074.x · Cited by 1,395
Greene, J. E., Strader, J., & Ho, L. C. (2020) · Annual Review of Astronomy and Astrophysics · doi:10.1146/annurev-astro-032620-021835 · Cited by 782
The formation and assembly history of the Milky Way revealed by its globular cluster population
Kruijssen, J. M. D., Pfeffer, J. L., Reina-Campos, M., Crain, R. A., & Bastian, N. (2019) · Monthly Notices of the Royal Astronomical Society · doi:10.1093/mnras/sty1609 · Cited by 369
Kirby, E. N., Lanfranchi, G. A., Simon, J. D., Cohen, J. G., & Guhathakurta, P. (2011) · The Astrophysical Journal · doi:10.1088/0004-637x/727/2/78 · Cited by 335
Metadata
- Authors
- Niederste-Ostholt, M., Belokurov, V., Evans, N. W., & Peñarrubia, J.
- Affiliations
- University of Cambridge (GB)
- Venue
- The Astrophysical Journal
- Publisher
- American Astronomical Society
- Published
- 2010-03-03
- Volume
- 712
- Issue
- 1
- Pages
- 516-526
- ISSN
- 0004-637X (ISSN-L)
- 1538-4357
- OpenAlex
- W2045041357
- Cited by
- 139
- References
- 46
- Citations by year
- 2026: 1 · 2025: 6 · 2024: 7 · 2023: 6 · 2022: 7 · 2021: 7 · 2020: 14 · 2019: 2 · 2018: 13 · 2017: 10 · 2016: 10 · 2015: 6 · 2014: 14 · 2013: 7 · 2012: 8
- FWCI
- 6.42
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- The Astrophysical Journal (publishedVersion)
- arXiv (Cornell University) (submittedVersion)
- arXiv (Cornell University)
- Funders
- National Science Foundation
- U.S. Department of Energy
- National Aeronautics and Space Administration
- Alfred P. Sloan Foundation
- California Institute of Technology
- Max-Planck-Gesellschaft
- Science and Technology Facilities Council (ST/H00243X/1, PP/E00105X/1, ST/H001913/1)
- Topics
- Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Galaxies: Formation, Evolution, Phenomena
- Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Stellar, planetary, and galactic studies
- Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Astrophysical Phenomena and Observations
- Keywords
- Sagittarius dwarf galaxy, progenitor mass, tidal disruption, halo mass, dwarf spheroidal galaxies, Small Magellanic Cloud, NGC 147, NGC 185, Galactic halo
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