The PHANGS-MUSE survey. Probing the chemo-dynamical evolution of disc galaxies

doi:10.1051/0004-6361/202141727

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题名:	The PHANGS-MUSE survey. Probing the chemo-dynamical evolution of disc galaxies
作者:	Emsellem, Eric;Schinnerer, Eva;Santoro, Francesco;Belfiore, Francesco;Pessa, Ismael;McElroy, Rebecca;Blanc, Guillermo A.;Congiu, Enrico;Groves, Brent;Ho, I. -Ting;Kreckel, Kathryn;Razza, Alessandro;Patricia, Sanchez-Blazquez;Egorov, Oleg;Faesi, Chris;Klessen, Ralf S.;Leroy, Adam K.;Meidt, Sharon;Querejeta, Miguel;Rosolowsky, Erik;Scheuermann, Fabian;Anand, Gagandeep S.;Barnes, Ashley T.;Bešlić, Ivana;Bigiel, Frank;Boquien, Médéric;Cao, Yixian;Chevance, Mélanie;Dale, Daniel A.;Eibensteiner, Cosima;Glover, Simon C. O.;Grasha, Kathryn;Henshaw, Jonathan D.;Hughes, Annie;Koch, Eric W.;Kruijssen, J. M. Diederik;Lee, Janice;Liu, Daizhong;Pan, Hsi-An;Pety, Jérôme;Saito, Toshiki;Sandstrom, Karin M.;Schruba, Andreas;Sun, Jiayi;Thilker, David A.;Usero, Antonio;Watkins, Elizabeth J.;Williams, and Thomas G.
关键词:	galaxies: spiral;galaxies: star formation;surveys;techniques: imaging spectroscopy;ISM: general;stars: kinematics and dynamics
日期:	2022-03-28
上传时间:	2023-04-28 17:46:17 (UTC+8)
出版者:	Hans Publishers, Inc.,Hansi Chubanshe
摘要:	We present the PHANGS-MUSE survey, a programme that uses the MUSE integral field spectrograph at the ESO VLT to map 19 massive (9.4 < log(M⋆/M⊙)< 11.0) nearby (D ≲ 20 Mpc) star-forming disc galaxies. The survey consists of 168 MUSE pointings (1′ by 1′ each) and a total of nearly 15 × 106 spectra, covering ∼1.5 × 106 independent spectra. PHANGS-MUSE provides the first integral field spectrograph view of star formation across different local environments (including galaxy centres, bars, and spiral arms) in external galaxies at a median resolution of 50 pc, better than the mean inter-cloud distance in the ionised interstellar medium. This ‘cloud-scale’ resolution allows detailed demographics and characterisations of H II regions and other ionised nebulae. PHANGS-MUSE further delivers a unique view on the associated gas and stellar kinematics and provides constraints on the star-formation history. The PHANGS-MUSE survey is complemented by dedicated ALMA CO(2–1) and multi-band HST observations, therefore allowing us to probe the key stages of the star-formation process from molecular clouds to H II regions and star clusters. This paper describes the scientific motivation, sample selection, observational strategy, data reduction, and analysis process of the PHANGS-MUSE survey. We present our bespoke automated data-reduction framework, which is built on the reduction recipes provided by ESO but additionally allows for mosaicking and homogenisation of the point spread function. We further present a detailed quality assessment and a brief illustration of the potential scientific applications of the large set of PHANGS-MUSE data products generated by our data analysis framework. The data cubes and analysis data products described in this paper represent the basis for the first PHANGS-MUSE public data release and are available in the ESO archive and via the Canadian Astronomy Data Centre.
關聯:	Astronomy & Astrophysics 659, p.47
DOI:	10.1051/0004-6361/202141727
显示于类别:	[物理學系暨研究所] 期刊論文

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