ALMA twenty-six arcmin(2) survey of GOODS-S at one millimeter (ASAGAO): Millimeter properties of stellar mass selected galaxies
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ALMA twenty-six arcmin(2) survey of GOODS-S at one millimeter (ASAGAO) : Millimeter properties of stellar mass selected galaxies. / Yamaguchi, Yuki; Kohno, Kotaro; Hatsukade, Bunyo; Wang, Tao; Yoshimura, Yuki; Ao, Yiping; Dunlop, James S.; Egami, Eiichi; Espada, Daniel; Fujimoto, Seiji; Hayatsu, Natsuki H.; Ivison, Rob J.; Kodama, Tadayuki; Kusakabe, Haruka; Nagao, Tohru; Ouchi, Masami; Rujopakarn, Wiphu; Tadaki, Ken-ichi; Tamura, Yoichi; Ueda, Yoshihiro; Umehata, Hideki; Wang, Wei-Hao.
In: Publications of the Astronomical Society of Japan, Vol. 72, No. 4, 69, 08.08.2020.Research output: Contribution to journal › Journal article › Research › peer-review
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TY - JOUR
T1 - ALMA twenty-six arcmin(2) survey of GOODS-S at one millimeter (ASAGAO)
T2 - Millimeter properties of stellar mass selected galaxies
AU - Yamaguchi, Yuki
AU - Kohno, Kotaro
AU - Hatsukade, Bunyo
AU - Wang, Tao
AU - Yoshimura, Yuki
AU - Ao, Yiping
AU - Dunlop, James S.
AU - Egami, Eiichi
AU - Espada, Daniel
AU - Fujimoto, Seiji
AU - Hayatsu, Natsuki H.
AU - Ivison, Rob J.
AU - Kodama, Tadayuki
AU - Kusakabe, Haruka
AU - Nagao, Tohru
AU - Ouchi, Masami
AU - Rujopakarn, Wiphu
AU - Tadaki, Ken-ichi
AU - Tamura, Yoichi
AU - Ueda, Yoshihiro
AU - Umehata, Hideki
AU - Wang, Wei-Hao
PY - 2020/8/8
Y1 - 2020/8/8
N2 - We make use of the ALMA twenty-Six Arcmin(2) survey of GOODS-S At One-millimeter (ASAGAO), deep 1.2 mm continuum observations of a 26-arcmin(2) region in the Great Observatories Origins Deep Survey-South (GOODS-S) obtained with Atacama Large Millimeter/sub-millimeter Array (ALMA), to probe dust-enshrouded star formation in K-band selected (i.e., stellar mass selected) galaxies, which are drawn from the FourStar Galaxy Evolution Survey (ZFOURGE) catalog. Based on the ASAGAO combined map, which was created by combining ASAGAO and ALMA archival data in the GOODS-South field, we find that 24 ZFOURGE sources have 1.2 mm counterparts with a signal-to-noise ratio >4.5 (1 sigma similar or equal to 30-70 mu Jy beam(-1) at 1.2 mm). Their median redshift is estimated to be Z(median) = 2.38 +/- 0.14. They generally follow the tight relationship of the stellar mass versus star formation rate (i.e., the main sequence of star-forming galaxies). ALMA-detected ZFOURGE sources exhibit systematically larger infrared (IR) excess (IRX L-IR/L-UV) compared to ZFOURGE galaxies without ALMA detections even though they have similar redshifts, stellar masses, and star formation rates. This implies the consensus stellar-mass versus IRX relation, which is known to be tight among rest-frame-ultraviolet-selected galaxies, cannot fully predict the ALMA detectability of stellar-mass-selected galaxies. We find that ALMA-detected ZFOURGE sources are the main contributors to the cosmic IR star formation rate density at z = 2-3.
AB - We make use of the ALMA twenty-Six Arcmin(2) survey of GOODS-S At One-millimeter (ASAGAO), deep 1.2 mm continuum observations of a 26-arcmin(2) region in the Great Observatories Origins Deep Survey-South (GOODS-S) obtained with Atacama Large Millimeter/sub-millimeter Array (ALMA), to probe dust-enshrouded star formation in K-band selected (i.e., stellar mass selected) galaxies, which are drawn from the FourStar Galaxy Evolution Survey (ZFOURGE) catalog. Based on the ASAGAO combined map, which was created by combining ASAGAO and ALMA archival data in the GOODS-South field, we find that 24 ZFOURGE sources have 1.2 mm counterparts with a signal-to-noise ratio >4.5 (1 sigma similar or equal to 30-70 mu Jy beam(-1) at 1.2 mm). Their median redshift is estimated to be Z(median) = 2.38 +/- 0.14. They generally follow the tight relationship of the stellar mass versus star formation rate (i.e., the main sequence of star-forming galaxies). ALMA-detected ZFOURGE sources exhibit systematically larger infrared (IR) excess (IRX L-IR/L-UV) compared to ZFOURGE galaxies without ALMA detections even though they have similar redshifts, stellar masses, and star formation rates. This implies the consensus stellar-mass versus IRX relation, which is known to be tight among rest-frame-ultraviolet-selected galaxies, cannot fully predict the ALMA detectability of stellar-mass-selected galaxies. We find that ALMA-detected ZFOURGE sources are the main contributors to the cosmic IR star formation rate density at z = 2-3.
KW - galaxies: evolution
KW - galaxies: high-redshift
KW - galaxies: star formation
KW - submillimeter: galaxies
KW - DEEP-FIELD-SOUTH
KW - COSMIC STAR-FORMATION
KW - PHOTOMETRIC REDSHIFT SURVEY
KW - AZTEC/ASTE 1.1-MM SURVEY
KW - FORMATION RATE DENSITY
KW - LYMAN-BREAK GALAXIES
KW - IRX-BETA RELATION
KW - DUST ATTENUATION
KW - BOLOMETER CAMERA
KW - SOURCE CATALOG
U2 - 10.1093/pasj/psaa057
DO - 10.1093/pasj/psaa057
M3 - Journal article
VL - 72
JO - Publication of the Astronomical Society of Japan
JF - Publication of the Astronomical Society of Japan
SN - 0004-6264
IS - 4
M1 - 69
ER -
ID: 253649401