The ALPINE-ALMA [C II] Survey: kinematic diversity and rotation in massive star-forming galaxies at z similar to 4.4-5.9
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The ALPINE-ALMA [C II] Survey : kinematic diversity and rotation in massive star-forming galaxies at z similar to 4.4-5.9. / Jones, G. C.; Vergani, D.; Romano, M.; Ginolfi, M.; Fudamoto, Y.; Bethermin, M.; Fujimoto, S.; Lemaux, B. C.; Morselli, L.; Capak, P.; Cassata, P.; Faisst, A.; Le Fevre, O.; Schaerer, D.; Silverman, J. D.; Yan, Lin; Boquien, M.; Cimatti, A.; Dessauges-Zavadsky, M.; Ibar, E.; Maiolino, R.; Rizzo, F.; Talia, M.; Zamorani, G.
I: Monthly Notices of the Royal Astronomical Society, Bind 507, Nr. 3, 09.09.2021, s. 3540-3563.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
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TY - JOUR
T1 - The ALPINE-ALMA [C II] Survey
T2 - kinematic diversity and rotation in massive star-forming galaxies at z similar to 4.4-5.9
AU - Jones, G. C.
AU - Vergani, D.
AU - Romano, M.
AU - Ginolfi, M.
AU - Fudamoto, Y.
AU - Bethermin, M.
AU - Fujimoto, S.
AU - Lemaux, B. C.
AU - Morselli, L.
AU - Capak, P.
AU - Cassata, P.
AU - Faisst, A.
AU - Le Fevre, O.
AU - Schaerer, D.
AU - Silverman, J. D.
AU - Yan, Lin
AU - Boquien, M.
AU - Cimatti, A.
AU - Dessauges-Zavadsky, M.
AU - Ibar, E.
AU - Maiolino, R.
AU - Rizzo, F.
AU - Talia, M.
AU - Zamorani, G.
PY - 2021/9/9
Y1 - 2021/9/9
N2 - While the kinematics of galaxies up to z similar to 3 have been characterized in detail, only a handful of galaxies at high redshift (z > 4) have been examined in such a way. The Atacama Large Millimeter/submillimeter Array (ALMA) Large Program to INvestigate [C II] at Early times (ALPINE) survey observed a statistically significant sample of 118 star-forming main-sequence galaxies at z = 4.4-5.9 in [C. II]158 mu m emission, increasing the number of such observations by nearly 10 x . A preliminary qualitative classification of these sources revealed a diversity of kinematic types (i.e. rotators, mergers, and dispersion-dominated systems). In this work, we supplement the initial classification by applying quantitative analyses to the ALPINE data: a tilted ring model (TRM) fitting code ((3D)BAROLO), a morphological classification (Gini-M-20), and a set of disc identification criteria. Of the 75 [CM-detected ALPINE galaxies, 29 are detected at sufficient significance and spatial resolution to allow for TRM fitting and the derivation of morphological and kinematic parameters. These 29 sources constitute a high-mass subset of the ALPINE sample (M-* > 10(9.5) M-circle dot). We robustly classify 14 of these sources (six rotators, five mergers, and three dispersion-dominated systems); the remaining sources showing complex behaviour. By exploring the G-M-20 of z > 4 rest-frame far-infrared and [CII] data for the first time, we find that our 1 arcsec similar to 6 kpc resolution data alone are insufficient to separate galaxy types. We compare the rotation curves and dynamical mass profiles of the six ALPINE rotators to the two previously detected z similar to 4-6 unlensed main-sequence rotators, finding high rotational velocities (similar to 50-250 km s(-1)) and a diversity of rotation curve shapes.
AB - While the kinematics of galaxies up to z similar to 3 have been characterized in detail, only a handful of galaxies at high redshift (z > 4) have been examined in such a way. The Atacama Large Millimeter/submillimeter Array (ALMA) Large Program to INvestigate [C II] at Early times (ALPINE) survey observed a statistically significant sample of 118 star-forming main-sequence galaxies at z = 4.4-5.9 in [C. II]158 mu m emission, increasing the number of such observations by nearly 10 x . A preliminary qualitative classification of these sources revealed a diversity of kinematic types (i.e. rotators, mergers, and dispersion-dominated systems). In this work, we supplement the initial classification by applying quantitative analyses to the ALPINE data: a tilted ring model (TRM) fitting code ((3D)BAROLO), a morphological classification (Gini-M-20), and a set of disc identification criteria. Of the 75 [CM-detected ALPINE galaxies, 29 are detected at sufficient significance and spatial resolution to allow for TRM fitting and the derivation of morphological and kinematic parameters. These 29 sources constitute a high-mass subset of the ALPINE sample (M-* > 10(9.5) M-circle dot). We robustly classify 14 of these sources (six rotators, five mergers, and three dispersion-dominated systems); the remaining sources showing complex behaviour. By exploring the G-M-20 of z > 4 rest-frame far-infrared and [CII] data for the first time, we find that our 1 arcsec similar to 6 kpc resolution data alone are insufficient to separate galaxy types. We compare the rotation curves and dynamical mass profiles of the six ALPINE rotators to the two previously detected z similar to 4-6 unlensed main-sequence rotators, finding high rotational velocities (similar to 50-250 km s(-1)) and a diversity of rotation curve shapes.
KW - galaxies: evolution
KW - galaxies: high-redshift
KW - galaxies: kinematics and dynamics
KW - MOLECULAR GAS
KW - ANGULAR-MOMENTUM
KW - DISK GALAXIES
KW - BILLION YEARS
KW - SPECTROSCOPIC SURVEY
KW - IRREGULAR GALAXIES
KW - EXTREME STARBURST
KW - COSMOS FIELD
KW - CURVES
KW - EVOLUTION
U2 - 10.1093/mnras/stab2226
DO - 10.1093/mnras/stab2226
M3 - Journal article
VL - 507
SP - 3540
EP - 3563
JO - Royal Astronomical Society. Monthly Notices
JF - Royal Astronomical Society. Monthly Notices
SN - 0035-8711
IS - 3
ER -
ID: 284089364