Evolution of Interstellar Medium, Star Formation, and Accretion at High Redshift. Scoville, N., Lee, N., Vanden Bout, P., Diaz-Santos, T., Sanders, D., Darvish, B., Bongiorno, A., Casey, C. M., Murchikova, L., Koda, J., Capak, P., Vlahakis, C., Ilbert, O., Sheth, K., Morokuma-Matsui, K., Ivison, R. J., Aussel, H., Laigle, C., McCracken, H. J., Armus, L., Pope, A., Toft, S., & Masters, D. The Astrophysical Journal, 837:150, March, 2017. ![Evolution of Interstellar Medium, Star Formation, and Accretion at High Redshift [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper doi abstract bibtex ALMA observations of the long wavelength dust continuum are used to estimate the interstellar medium (ISM) masses in a sample of 708 galaxies at z = 0.3 to 4.5 in the COSMOS field. The galaxy sample has known far-infrared luminosities and, hence, star formation rates (SFRs) and stellar masses (\M\* ) from the optical-infrared spectrum fitting. The galaxies sample SFRs from the main sequence (MS) to 50 times above the MS. The derived ISM masses are used to determine the dependence of gas mass on redshift, \M\* , and specific SFR (sSFR) relative to the MS. The ISM masses increase approximately with the 0.63 power of the rate of increase in SFRs with redshift and the 0.32 power of the sSFR/sSFRMS. The SF efficiencies also increase as the 0.36 power of the SFR redshift evolution and the 0.7 power of the elevation above the MS; thus the increased activities at early epochs are driven by both increased ISM masses and SF efficiency. Using the derived ISM mass function, we estimate the accretion rates of gas required to maintain continuity of the MS evolution (\textgreater 100 \M\⊙ yr-1 at z \textgreater 2.5). Simple power-law dependencies are similarly derived for the gas accretion rates. We argue that the overall evolution of galaxies is driven by the rates of gas accretion. The cosmic evolution of total ISM mass is estimated and linked to the evolution of SF and active galactic nucleus activity at early epochs.
@article{scoville_evolution_2017,
title = {Evolution of {Interstellar} {Medium}, {Star} {Formation}, and {Accretion} at {High} {Redshift}},
volume = {837},
issn = {0004-637X},
url = {http://adsabs.harvard.edu/abs/2017ApJ...837..150S},
doi = {10.3847/1538-4357/aa61a0},
abstract = {ALMA observations of the long wavelength dust continuum are used to
estimate the interstellar medium (ISM) masses in a sample of 708
galaxies at z = 0.3 to 4.5 in the COSMOS field. The galaxy sample has
known far-infrared luminosities and, hence, star formation rates (SFRs)
and stellar masses (\{M\}* ) from the optical-infrared
spectrum fitting. The galaxies sample SFRs from the main sequence (MS)
to 50 times above the MS. The derived ISM masses are used to determine
the dependence of gas mass on redshift, \{M\}* , and specific
SFR (sSFR) relative to the MS. The ISM masses increase approximately
with the 0.63 power of the rate of increase in SFRs with redshift and
the 0.32 power of the sSFR/sSFRMS. The SF efficiencies also
increase as the 0.36 power of the SFR redshift evolution and the 0.7
power of the elevation above the MS; thus the increased activities at
early epochs are driven by both increased ISM masses and SF efficiency.
Using the derived ISM mass function, we estimate the accretion rates of
gas required to maintain continuity of the MS evolution ({\textgreater} 100
\{M\}⊙ yr-1 at z {\textgreater} 2.5). Simple
power-law dependencies are similarly derived for the gas accretion
rates. We argue that the overall evolution of galaxies is driven by the
rates of gas accretion. The cosmic evolution of total ISM mass is
estimated and linked to the evolution of SF and active galactic nucleus
activity at early epochs.},
urldate = {2021-04-08},
journal = {The Astrophysical Journal},
author = {Scoville, N. and Lee, N. and Vanden Bout, P. and Diaz-Santos, T. and Sanders, D. and Darvish, B. and Bongiorno, A. and Casey, C. M. and Murchikova, L. and Koda, J. and Capak, P. and Vlahakis, Catherine and Ilbert, O. and Sheth, K. and Morokuma-Matsui, K. and Ivison, R. J. and Aussel, H. and Laigle, C. and McCracken, H. J. and Armus, L. and Pope, A. and Toft, S. and Masters, D.},
month = mar,
year = {2017},
keywords = {Astrophysics - Astrophysics of Galaxies, accretion, accretion disks, evolution, galaxies: ISM, galaxies: starburst},
pages = {150},
}
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The galaxy sample has known far-infrared luminosities and, hence, star formation rates (SFRs) and stellar masses (\\M\\* ) from the optical-infrared spectrum fitting. The galaxies sample SFRs from the main sequence (MS) to 50 times above the MS. The derived ISM masses are used to determine the dependence of gas mass on redshift, \\M\\* , and specific SFR (sSFR) relative to the MS. The ISM masses increase approximately with the 0.63 power of the rate of increase in SFRs with redshift and the 0.32 power of the sSFR/sSFRMS. The SF efficiencies also increase as the 0.36 power of the SFR redshift evolution and the 0.7 power of the elevation above the MS; thus the increased activities at early epochs are driven by both increased ISM masses and SF efficiency. Using the derived ISM mass function, we estimate the accretion rates of gas required to maintain continuity of the MS evolution (\\textgreater 100 \\M\\⊙ yr-1 at z \\textgreater 2.5). Simple power-law dependencies are similarly derived for the gas accretion rates. We argue that the overall evolution of galaxies is driven by the rates of gas accretion. The cosmic evolution of total ISM mass is estimated and linked to the evolution of SF and active galactic nucleus activity at early epochs.","urldate":"2021-04-08","journal":"The Astrophysical Journal","author":[{"propositions":[],"lastnames":["Scoville"],"firstnames":["N."],"suffixes":[]},{"propositions":[],"lastnames":["Lee"],"firstnames":["N."],"suffixes":[]},{"propositions":[],"lastnames":["Vanden","Bout"],"firstnames":["P."],"suffixes":[]},{"propositions":[],"lastnames":["Diaz-Santos"],"firstnames":["T."],"suffixes":[]},{"propositions":[],"lastnames":["Sanders"],"firstnames":["D."],"suffixes":[]},{"propositions":[],"lastnames":["Darvish"],"firstnames":["B."],"suffixes":[]},{"propositions":[],"lastnames":["Bongiorno"],"firstnames":["A."],"suffixes":[]},{"propositions":[],"lastnames":["Casey"],"firstnames":["C.","M."],"suffixes":[]},{"propositions":[],"lastnames":["Murchikova"],"firstnames":["L."],"suffixes":[]},{"propositions":[],"lastnames":["Koda"],"firstnames":["J."],"suffixes":[]},{"propositions":[],"lastnames":["Capak"],"firstnames":["P."],"suffixes":[]},{"propositions":[],"lastnames":["Vlahakis"],"firstnames":["Catherine"],"suffixes":[]},{"propositions":[],"lastnames":["Ilbert"],"firstnames":["O."],"suffixes":[]},{"propositions":[],"lastnames":["Sheth"],"firstnames":["K."],"suffixes":[]},{"propositions":[],"lastnames":["Morokuma-Matsui"],"firstnames":["K."],"suffixes":[]},{"propositions":[],"lastnames":["Ivison"],"firstnames":["R.","J."],"suffixes":[]},{"propositions":[],"lastnames":["Aussel"],"firstnames":["H."],"suffixes":[]},{"propositions":[],"lastnames":["Laigle"],"firstnames":["C."],"suffixes":[]},{"propositions":[],"lastnames":["McCracken"],"firstnames":["H.","J."],"suffixes":[]},{"propositions":[],"lastnames":["Armus"],"firstnames":["L."],"suffixes":[]},{"propositions":[],"lastnames":["Pope"],"firstnames":["A."],"suffixes":[]},{"propositions":[],"lastnames":["Toft"],"firstnames":["S."],"suffixes":[]},{"propositions":[],"lastnames":["Masters"],"firstnames":["D."],"suffixes":[]}],"month":"March","year":"2017","keywords":"Astrophysics - Astrophysics of Galaxies, accretion, accretion disks, evolution, galaxies: ISM, galaxies: starburst","pages":"150","bibtex":"@article{scoville_evolution_2017,\n\ttitle = {Evolution of {Interstellar} {Medium}, {Star} {Formation}, and {Accretion} at {High} {Redshift}},\n\tvolume = {837},\n\tissn = {0004-637X},\n\turl = {http://adsabs.harvard.edu/abs/2017ApJ...837..150S},\n\tdoi = {10.3847/1538-4357/aa61a0},\n\tabstract = {ALMA observations of the long wavelength dust continuum are used to \nestimate the interstellar medium (ISM) masses in a sample of 708\ngalaxies at z = 0.3 to 4.5 in the COSMOS field. The galaxy sample has\nknown far-infrared luminosities and, hence, star formation rates (SFRs)\nand stellar masses (\\{M\\}* ) from the optical-infrared\nspectrum fitting. The galaxies sample SFRs from the main sequence (MS)\nto 50 times above the MS. The derived ISM masses are used to determine\nthe dependence of gas mass on redshift, \\{M\\}* , and specific\nSFR (sSFR) relative to the MS. The ISM masses increase approximately\nwith the 0.63 power of the rate of increase in SFRs with redshift and\nthe 0.32 power of the sSFR/sSFRMS. The SF efficiencies also\nincrease as the 0.36 power of the SFR redshift evolution and the 0.7\npower of the elevation above the MS; thus the increased activities at\nearly epochs are driven by both increased ISM masses and SF efficiency.\nUsing the derived ISM mass function, we estimate the accretion rates of\ngas required to maintain continuity of the MS evolution ({\\textgreater} 100\n\\{M\\}⊙ yr-1 at z {\\textgreater} 2.5). Simple\npower-law dependencies are similarly derived for the gas accretion\nrates. We argue that the overall evolution of galaxies is driven by the\nrates of gas accretion. The cosmic evolution of total ISM mass is\nestimated and linked to the evolution of SF and active galactic nucleus\nactivity at early epochs.},\n\turldate = {2021-04-08},\n\tjournal = {The Astrophysical Journal},\n\tauthor = {Scoville, N. and Lee, N. and Vanden Bout, P. and Diaz-Santos, T. and Sanders, D. and Darvish, B. and Bongiorno, A. and Casey, C. M. and Murchikova, L. and Koda, J. and Capak, P. and Vlahakis, Catherine and Ilbert, O. and Sheth, K. and Morokuma-Matsui, K. and Ivison, R. J. and Aussel, H. and Laigle, C. and McCracken, H. 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