The DOI matches its Crossref record; 149 of the 149 references it cites were found in a registry or an index.
Evolution of density profiles in high-z galaxies: compaction and quenching inside-out
Open accessAbstract
Using cosmological simulations, we address the interplay between structure and star formation in high-redshift galaxies via the evolution of surface density profiles. Our sample consists of 26 galaxies evolving in the redshift range z = 7 − 1, spanning the stellar mass range (0.2–6.4) × 1010 M⊙ at z = 2. We recover the main trends by stacking the profiles in accordance to their evolution phases. Following a wet compaction event that typically occurs when the stellar mass is ∼109.5 M⊙ at z ∼ 2–4, the gas develops a cusp inside the effective radius, associated with a peak in star formation rate (SFR). The SFR peak and the associated feedback, in the absence of further gas inflow to the centre, marks the onset of gas depletion from the central 1 kpc, leading to quenching of the central SFR. An extended, star-forming ring that forms by fresh gas during the central quenching process shows as a rising specific SFR (sSFR) profile, which is interpreted as inside-out quenching. Before quenching, the stellar density profile grows self-similarly, maintaining its log–log shape because the sSFR is similar at all radii. During the quenching process, the stellar density saturates to a constant value, especially in the inner 1 kpc. The stellar mass and SFR profiles deduced from observations show very similar shapes, consistent with the scenario of wet compaction leading to inside-out quenching and the subsequent saturation of a dense stellar core. We predict a cuspy gas profile during the blue nugget phase, and a gas-depleted core, sometimes surrounded by a ring, in the post-blue nugget phase.
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Citations
Cites
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Galactic Stellar and Substellar Initial Mass FunctionPreprint
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The host galaxies of active galactic nuclei
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Cited by
Cool outflows in galaxies and their implications
Veilleux, S., Maiolino, R., Bolatto, A. D., & Aalto, S. (2020) · The Astronomy and Astrophysics Review · doi:10.1007/s00159-019-0121-9 · Cited by 466
Davidzon, I., Ilbert, O., Laigle, C., Coupon, J., McCracken, H. J., Delvecchio, I., Masters, D., Capak, P., Hsieh, B. C., Le Fèvre, O., et al. (2017) · Astronomy & Astrophysics · doi:10.1051/0004-6361/201730419 · Cited by 420
A unified model for galactic discs: star formation, turbulence driving, and mass transport
Krumholz, M. R., Burkhart, B., Forbes, J. C., & Crocker, R. M. (2018) · Monthly Notices of the Royal Astronomical Society · doi:10.1093/mnras/sty852 · Cited by 319
Nelson, E. J., van Dokkum, P. G., Förster Schreiber, N. M., Franx, M., Brammer, G. B., Momcheva, I. G., Wuyts, S., Whitaker, K. E., Skelton, R. E., Fumagalli, M., et al. (2016) · The Astrophysical Journal · doi:10.3847/0004-637x/828/1/27 · Cited by 252
The global star formation law by supernova feedback
Dekel, A., Sarkar, K. C., Jiang, F., Bournaud, F., Krumholz, M. R., Ceverino, D., & Primack, J. R. (2019) · Monthly Notices of the Royal Astronomical Society · doi:10.1093/mnras/stz1919 · Cited by 27
Self-citation
Metadata
- Authors
- Tacchella, S., Dekel, A., Carollo, C. M., Ceverino, D., DeGraf, C., Lapiner, S., Mandelker, N., & Primack, J. R.
- Venue
- Monthly Notices of the Royal Astronomical Society
- Publisher
- Oxford University Press (OUP)
- Published
- 2016-02-09
- Volume
- 458
- Issue
- 1
- Pages
- 242-263
- ISSN
- 0035-8711 (ISSN-L)
- 1365-2966
- OpenAlex
- W1917783267
- Cited by
- 293
- References
- 149
- FWCI
- 15.63
- Type
- journal article
- Language
- en
- Open access
- green
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