The alpine-alma [cii] survey: Multiwavelength ancillary data and basic physical measurements

A. L. Faisst*, D. Schaerer, D. Schaerer, B. C. Lemaux, P. A. Oesch, Y. Fudamoto, P. Cassata, P. Cassata, M. Béthermin, P. L. Capak, P. L. Capak, P. L. Capak, O. Le Fèvre, J. D. Silverman, J. D. Silverman, L. Yan, M. Ginolfi, A. M. Koekemoer, L. Morselli, L. MorselliR. Amorín, R. Amorín, S. Bardelli, M. Boquien, G. Brammer, A. Cimatti, M. Dessauges-Zavadsky, S. Fujimoto, S. Fujimoto, C. Gruppioni, N. P. Hathi, S. Hemmati, E. Ibar, G. C. Jones, G. C. Jones, Y. Khusanova, Y. Khusanova, F. Loiacono, F. Loiacono, F. Pozzi, M. Talia, M. Talia, L. A.M. Tasca, D. A. Riechers, D. A. Riechers, D. A. Riechers, G. Rodighiero, G. Rodighiero, M. Romano, M. Romano, N. Scoville, N. Scoville, S. Toft, S. Toft, L. Vallini, L. Vallini, D. Vergani, G. Zamorani, E. Zucca

*この研究の対応する著者

研究成果: Article査読

87 被引用数 (Scopus)

抄録

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 multiwavelength survey that aims at characterizing the gas and dust properties of 118 main-sequence galaxies at redshifts 4.4?<?z?<?5.9 via the measurement of [C II]?emission at 158 mm (64% at?>3.5σ) and the surrounding far-infrared 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- A nd 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 (β), and absorption line redshifts, as well as Hα?emission derived from Spitzer colors. We find that the ALPINE sample is representative of the 4?<?z?<?6 galaxy population selected by photometric methods and only slightly biased toward bluer colors (Δβ?∼?0.2). Using [C II]?as tracer of the systemic redshift (confirmed for one galaxy at z = 4.5 out of 118 for which we obtained optical [O III]λ3727Å emission), we confirm redshifted Lyα?emission and blueshifted absorption lines similar to findings at lower redshifts. By stacking the rest-frame UV spectra in the [C II]?rest frame, we find that the absorption lines in galaxies with high specific SFR are more blueshifted, which could be indicative of stronger winds and outflows.

本文言語English
論文番号61
ジャーナルAstrophysical Journal
247
2
DOI
出版ステータスPublished - 2020 4月 1
外部発表はい

ASJC Scopus subject areas

  • 天文学と天体物理学
  • 宇宙惑星科学

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