prikaz prve stranice dokumenta Evolution of the specific star formation rate function at z < 1.4 Dissecting the mass-SFR plane in COSMOS and GOODS
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Evolution of the specific star formation rate function at z < 1.4 Dissecting the mass-SFR plane in COSMOS and GOODS
Astronomy and Astrophysics, 579 (2015); A2. https://doi.org/10.1051/0004-6361/201425176
Ilbert, O.; Arnouts, S.; Le Floc’h, E.; Aussel, H.; Bethermin, M.; Capak, P.; Hsieh, B.-C.; Kajisawa, M.; Karim, A.; Le Fèvre, O.; Lee, N.; Lilly, S.; McCracken, H. J.; Michel-Dansac, L.; Moutard, T.; Renzini, M. A.; Salvato, M.; Sanders, D. B.; Scoville, N.; Sheth, K.; Silverman, J. D.; Smolčić, Vernesa; Taniguchi, Y.; Tresse, L. Više autora...

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Ilbert, O., Arnouts, S., Le Floc’h, E., Aussel, H., Bethermin, M., Capak, P. ... Tresse, L. (2015). Evolution of the specific star formation rate function at z < 1.4 Dissecting the mass-SFR plane in COSMOS and GOODS. Astronomy and Astrophysics, 579.. doi: 10.1051/0004-6361/201425176

Ilbert, O., et al. "Evolution of the specific star formation rate function at z < 1.4 Dissecting the mass-SFR plane in COSMOS and GOODS." Astronomy and Astrophysics, vol. 579, 2015. https://doi.org/10.1051/0004-6361/201425176

Ilbert, O., S. Arnouts, E. Le Floc’h, H. Aussel, M. Bethermin, P. Capak, B. C. Hsieh, et al. "Evolution of the specific star formation rate function at z < 1.4 Dissecting the mass-SFR plane in COSMOS and GOODS." Astronomy and Astrophysics 579 (2015). https://doi.org/10.1051/0004-6361/201425176

Ilbert, O., et al. (2015) 'Evolution of the specific star formation rate function at z < 1.4 Dissecting the mass-SFR plane in COSMOS and GOODS', Astronomy and Astrophysics, 579. doi: 10.1051/0004-6361/201425176

Ilbert O, Arnouts S, Le Floc’h E, Aussel H, Bethermin M, Capak P, i sur.. Evolution of the specific star formation rate function at z < 1.4 Dissecting the mass-SFR plane in COSMOS and GOODS. Astronomy and Astrophysics [Internet]. 2015. [pristupljeno 09.01.2025.];579. doi: 10.1051/0004-6361/201425176

O. Ilbert, et al., "Evolution of the specific star formation rate function at z < 1.4 Dissecting the mass-SFR plane in COSMOS and GOODS", Astronomy and Astrophysics, vol. 579, 2015. [Online]. Dostupno na: https://urn.nsk.hr/urn:nbn:hr:217:909482. [Citirano: 09.01.2025.]

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Naslov (engleski)Evolution of the specific star formation rate function at z < 1.4 Dissecting the mass-SFR plane in COSMOS and GOODS
AutorO. Ilbert
AutorS. Arnouts
AutorE. Le Floc’h
AutorH. Aussel
AutorM. Bethermin
AutorP. Capak
AutorB.-C. Hsieh
AutorM. Kajisawa
AutorA. Karim
AutorO. Le Fèvre
AutorN. Lee
AutorS. Lilly
AutorH. J. McCracken
AutorL. Michel-Dansac
AutorT. Moutard
AutorM. A. Renzini
AutorM. Salvato
AutorD. B. Sanders
AutorN. Scoville
AutorK. Sheth
AutorJ. D. Silverman
AutorVernesa Smolčić
AutorY. Taniguchi
AutorL. Tresse
Autorova ustanovaSveučilište u Zagrebu
Prirodoslovno-matematički fakultet
(Fizički odsjek)
Znanstveno / umjetničko
područje, polje i grana		PRIRODNE ZNANOSTI
Fizika
Astronomija i astrofizika
Sažetak (engleski)
The relation between the stellar mass (M⋆) and the star formation rate (SFR) characterizes how the instantaneous star formation is determined by the galaxy past star formation history and by the growth of the dark matter structures. We deconstruct the M⋆-SFR plane by measuring the specific SFR functions in several stellar mass bins from z = 0.2 out to z = 1.4 (specific SFR = SFR/M⋆, noted sSFR). Our analysis is primary based on a 24 μm selected catalogue combining the COSMOS and GOODS surveys. We estimate the SFR by combining mid- and far-infrared data for 20500 galaxies. The sSFR functions are derived in four stellar mass bins within the range 9.5 < log (M⋆ /M⊙) < 11.5. First, we demonstrate the importance of taking into account selection effects when studying the M⋆-SFR relation. Secondly, we find a mass-dependent evolution of the median sSFR with redshift varying as sSFR ∝ (1 + z)^b, with b increasing from b = 2.88^(±0.12) to b = 3.78^(± 0.60) between M⋆ = 10^(9.75) M⊙ and M⋆ = 10^(11.1) M⊙, respectively. At low masses, this evolution is consistent with the cosmological accretion rate and predictions from semi-analytical models (SAM). This agreement breaks down for more massive galaxies showing the need for a more comprehensive description of the star formation history in massive galaxies. Third, we obtain that the shape of the sSFR function is invariant with time at z< 1.4 but depends on the mass. We observe a broadening of the sSFR function ranging from 0.28 dex at M⋆ = 10^(9.75) M⊙ to 0.46 dex at M⋆ = 10^(11.1) M⊙. Such increase in the intrinsic scatter of the M⋆-SFR relation suggests an increasing diversity ofstar formation histories (SFHs) as the stellar mass increases. Finally, we find a gradual decline of the sSFR with stellar mass as log _(10)(sSFR) ∝ −0.17M⋆. We discuss the numerous physical processes, as gas exhaustion in hot gas halos or secular evolution, which can gradually reduce the sSFR and increase the SFH diversity.
Ključne riječi (engleski)
Jezikengleski
Vrsta publikacijeZnanstveni rad - Izvorni znanstveni rad
Status objaveObjavljen
Vrsta recenzijeRecenziran - međunarodna recenzija
Verzija publikacijeObjavljena verzija rada (izdavačev PDF)
Naslov časopisaAstronomy and Astrophysics
Brojčani podacivol. 579, A2
p-ISSN0004-6361
DOIhttps://doi.org/10.1051/0004-6361/201425176
URN:NBNurn:nbn:hr:217:909482
Datum objave publikacije2015
URL dokumentahttps://www.aanda.org/articles/aa/abs/2015/07/aa25176-14/aa25176-14.html
Vrsta resursaTekst
Prava pristupaOtvoreni pristup
Uvjeti korištenjaIkona licence Zaštićeno autorskim pravom.
Javna napomena© 2015 ESO. Article published by EDP Sciences. Received 17 October 2014. Accepted 2 March 2015. Published online 19 June 2015.
Datum i vrijeme pohrane2020-01-18 16:32:30