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The ALPINE-ALMA [CII] Survey: Multi-Wavelength Ancillary Data and Basic Physical Measurements | | A. L. Faisst
; D. Schaerer
; B. C. Lemaux
; P. A. Oesch
; Y. Fudamoto
; P. Cassata
; M. Bethermin
; P. L. Capak
; O. Le Fevre
; J. D. Silverman
; L. Yan
; M. Ginolfi
; A. M. Koekemoer
; L. Morselli
; R. Amorin
; S. Bardelli
; M. Boquien
; G. Brammer
; A. Cimatti
; M. Dessauges-Zavadsky
; S. Fujimoto
; C. Gruppioni
; N. P. Hathi
; S. Hemmati
; G. C. Jones
; Y. Khusanova
; F. Loiacono
; F. Pozzi
; M. Talia
; L. A. M. Tasca
; D. A. Riechers
; G. Rodighiero
; M. Romano
; N. Scoville
; S. Toft
; L. Vallini
; D. Vergani
; G. Zamorani
; E. Zucca
; | | Date: |
3 Dec 2019 | | Abstract: | We present the ancillary data and basic physical measurements for the
galaxies in the ALMA Large Program to Investigate C+ at Early Times (ALPINE)
survey - the first large multi-wavelength survey which aims at characterizing
the gas and dust properties of 118 main-sequence galaxies at redshifts 4.4 < z
< 5.9 via the measurement of [CII] emission at 158 micro-meter and the
surrounding far-infrared (FIR) continuum in conjunction with a wealth of
optical and near-infrared data. We outline in detail the spectroscopic data and
selection of the galaxies as well as the ground- and space-based imaging
products. In addition, we provide several basic measurements including stellar
masses, star formation rates (SFR), rest-frame ultra-violet (UV) luminosities,
UV continuum slopes ($eta$), and absorption line redshifts, as well as
H-alpha emission derived from Spitzer colors. Overall, we find that the ALPINE
sample is representative of the 4 < z < 6 galaxy population and only slightly
biased towards bluer colors ($Deltaeta$ ~ 0.2). Using [CII] as tracer of the
systemic redshift (confirmed for one galaxy at z=4.5 for which we obtained
optical [OII]3727um emission), we confirm red shifted Ly-alpha emission and
blue shifted absorption lines similar to findings at lower redshifts. By
stacking the rest-frame UV spectra in the [CII] rest-frame we find that the
absorption lines in galaxies with high specific SFR are more blue shifted,
which could be indicative of stronger winds and outflows. | | Source: | arXiv, 1912.1621 | | Services: | Forum | Review | PDF | Favorites | |
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