PHANGS–ALMA: Arcsecond CO(2–1) Imaging of Nearby Star-forming Galaxies
學年 110
學期 1
出版（發表）日期 2021-11-24
作品名稱 PHANGS–ALMA: Arcsecond CO(2–1) Imaging of Nearby Star-forming Galaxies
作品名稱（其他語言）
著者 Adam K. Leroy; Eva Schinnerer; Annie Hughes; Erik Rosolowsky; Jérôme Pety; Andreas Schruba; Antonio Usero; Guillermo A. Blanc; Mélanie Chevance; Eric Emsellem; Christopher M. Faesi; Cinthya N. Herrera; Daizhong Liu; Sharon E. Meidt; Miguel Querejeta; Toshiki Saito; Karin M. Sandstrom; Jiayi Sun (孙嘉 懿); Thomas G. Williams; Gagandeep S. Anand; Ashley T. Barnes; Erica A. Behrens; Francesco Belfiore; Samantha M. Benincasa; Ivana Bešlić; Frank Bigiel; Alberto D. Bolatto; Jakob S. den Brok; Yixian Cao; Rupali Chandar; Jérémy Chastenet; I-Da Chiang (江宜 達); Enrico Congiu; Daniel A. Dale; Sinan Deger; Cosima Eibensteiner; Oleg V. Egorov; Axel García-Rodríguez; Simon C. O. Glover; Kathryn Grasha; Jonathan D. Henshaw; I-Ting Ho; Amanda A. Kepley; Jaeyeon Kim; Ralf S. Klessen; Kathryn Kreckel; Eric W. Koch; J. M. Diederik Kruijssen; Kirsten L. Larson; Janice C. Lee; Laura A. Lopez; Josh Machado1; Ness Mayker; Rebecca McElroy; Eric J. Murphy; Eve C. Ostriker; Hsi-An Pan; Ismael Pessa; Johannes Puschnig; Alessandro Razza; Patricia Sánchez-Blázquez; Francesco Santoro; Amy Sardone; Fabian Scheuermann; Kazimierz Sliwa; Mattia C. Sormani; Sophia K. Stuber; David A. Thilker; Jordan A. Turner; Dyas Utomo; Elizabeth J. Watkins; Bradley Whitmore
單位
出版者
著錄名稱、卷期、頁數 The Astrophysical Journal Supplement Series 257(2), 43 (61 pages)
摘要 We present PHANGS–ALMA, the first survey to map CO J = 2 → 1 line emission at ∼1'' ∼100 pc spatial resolution from a representative sample of 90 nearby (d ≲ 20 Mpc) galaxies that lie on or near the z = 0 "main sequence" of star-forming galaxies. CO line emission traces the bulk distribution of molecular gas, which is the cold, star-forming phase of the interstellar medium. At the resolution achieved by PHANGS–ALMA, each beam reaches the size of a typical individual giant molecular cloud, so that these data can be used to measure the demographics, life cycle, and physical state of molecular clouds across the population of galaxies where the majority of stars form at z = 0. This paper describes the scientific motivation and background for the survey, sample selection, global properties of the targets, Atacama Large Millimeter/submillimeter Array (ALMA) observations, and characteristics of the delivered data and derived data products. As the ALMA sample serves as the parent sample for parallel surveys with MUSE on the Very Large Telescope, the Hubble Space Telescope, AstroSat, the Very Large Array, and other facilities, we include a detailed discussion of the sample selection. We detail the estimation of galaxy mass, size, star formation rate, CO luminosity, and other properties, compare estimates using different systems and provide best-estimate integrated measurements for each target. We also report the design and execution of the ALMA observations, which combine a Cycle 5 Large Program, a series of smaller programs, and archival observations. Finally, we present the first 1'' resolution atlas of CO emission from nearby galaxies and describe the properties and contents of the first PHANGS–ALMA public data release.
關鍵字
語言 en_US
ISSN 1538-4365
期刊性質 國外
收錄於 SCI
產學合作
通訊作者
審稿制度 是
國別 USA
公開徵稿
出版型式 ,電子版,紙本
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機構典藏連結 ( http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/122463 )