The DOI matches its Crossref record; 45 of the 45 references it cites were found in a registry or an index.
RECONCILING DWARF GALAXIES WITH ΛCDM COSMOLOGY: SIMULATING A REALISTIC POPULATION OF SATELLITES AROUND A MILKY WAY–MASS GALAXY
Open accessAbstract
Low-mass “dwarf” galaxies represent the most significant challenges to the cold dark matter (CDM) model of cosmological structure formation. Because these faint galaxies are (best) observed within the Local Group (LG) of the Milky Way (MW) and Andromeda (M31), understanding their formation in such an environment is critical. We present first results from the Latte Project: the Milky Way on Feedback in Realistic Environments (FIRE). This simulation models the formation of an MW-mass galaxy to z = 0 within ΛCDM cosmology, including dark matter, gas, and stars at unprecedented resolution: baryon particle mass of 7070 M ⊙ with gas kernel/softening that adapts down to 1 pc (with a median of 25 – 60 pc at z = 0 ). Latte was simulated using the GIZMO code with a mesh-free method for accurate hydrodynamics and the FIRE-2 model for star formation and explicit feedback within a multi-phase interstellar medium. For the first time, Latte self-consistently resolves the spatial scales corresponding to half-light radii of dwarf galaxies that form around an MW-mass host down to M star ≳ 10 5 M ⊙ . Latte’s population of dwarf galaxies agrees with the LG across a broad range of properties: (1) distributions of stellar masses and stellar velocity dispersions (dynamical masses), including their joint relation; (2) the mass–metallicity relation; and (3) diverse range of star formation histories, including their mass dependence. Thus, Latte produces a realistic population of dwarf galaxies at M star ≳ 10 5 M ⊙ that does not suffer from the “missing satellites” or “too big to fail” problems of small-scale structure formation. We conclude that baryonic physics can reconcile observed dwarf galaxies with standard ΛCDM cosmology.
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Cites
The cosmological simulation code gadget-2
Springel, V. (2005) · Monthly Notices of the Royal Astronomical Society · doi:10.1111/j.1365-2966.2005.09655.x · Cited by 6,368
Starburst99: Synthesis Models for Galaxies with Active Star Formation
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Where Are the Missing Galactic Satellites?
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THE OBSERVED PROPERTIES OF DWARF GALAXIES IN AND AROUND THE LOCAL GROUP
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Self-citationTHE ROCKSTAR PHASE-SPACE TEMPORAL HALO FINDER AND THE VELOCITY OFFSETS OF CLUSTER CORES
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A new class of accurate, mesh-free hydrodynamic simulation methods
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Self-citationEvidence against dissipation-less dark matter from observations of galaxy haloes
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Simulating galaxy formation with the IllustrisTNG model
Pillepich, A., Springel, V., Nelson, D., Genel, S., Naiman, J., Pakmor, R., Hernquist, L., Torrey, P., Vogelsberger, M., Weinberger, R., et al. (2018) · Monthly Notices of the Royal Astronomical Society · doi:10.1093/mnras/stx2656 · Cited by 2,007
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
Dark matter self-interactions and small scale structure
Tulin, S., & Yu, H.-B. (2018) · Physics Reports · doi:10.1016/j.physrep.2017.11.004 · Cited by 1,111
Astrophysics with the Laser Interferometer Space Antenna
Amaro-Seoane, P., Andrews, J., Arca Sedda, M., Askar, A., Baghi, Q., Balasov, R., Bartos, I., Bavera, S. S., Bellovary, J., Berry, C. P. L., et al. (2023) · Living Reviews in Relativity · doi:10.1007/s41114-022-00041-y · Cited by 609
Velocity-dependent self-interacting dark matter from groups and clusters of galaxies
Sagunski, L., Gad-Nasr, S., Colquhoun, B., Robertson, A., & Tulin, S. (2021) · Journal of Cosmology and Astroparticle Physics · doi:10.1088/1475-7516/2021/01/024 · Cited by 128
Metadata
- Authors
- Wetzel, A. R., Hopkins, P. F., Kim, J.-H., Faucher-Giguère, C.-A., Kereš, D., & Quataert, E.
- Venue
- The Astrophysical Journal Letters
- Publisher
- American Astronomical Society
- Published
- 2016-08-12
- Volume
- 827
- Issue
- 2
- Pages
- L23
- ISSN
- 2041-8205 (ISSN-L)
- 2041-8213
- OpenAlex
- W2281869457
- Cited by
- 623
- References
- 45
- FWCI
- 32.55
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Wetzel, A. R., Hopkins, P. F., Kim, J.-H., Faucher-Giguère, C.-A., Kereš, D., & Quataert, E. (2016). RECONCILING DWARF GALAXIES WITH ΛCDM COSMOLOGY: SIMULATING A REALISTIC POPULATION OF SATELLITES AROUND A MILKY WAY–MASS GALAXY. The Astrophysical Journal Letters. https://doi.org/10.3847/2041-8205/827/2/l23
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