MUSE-ALMA Haloes - VIII. Statistical study of circumgalactic medium gas

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MUSE-ALMA Haloes - VIII. Statistical study of circumgalactic medium gas. / Weng, S.; Peroux, C.; Karki, A.; Augustin, R.; Kulkarni, V. P.; Szakacs, R.; Zwaan, M. A.; Klitsch, A.; Hamanowicz, A.; Sadler, E. M.; Biggs, A.; Fresco, A. Y.; Hayes, M.; Howk, J. C.; Kacprzak, G. G.; Kuntschner, H.; Nelson, D.; Pettini, M.

I: Monthly Notices of the Royal Astronomical Society, Bind 519, Nr. 1, 01.02.2023, s. 931-947.

Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt

Harvard

Weng, S, Peroux, C, Karki, A, Augustin, R, Kulkarni, VP, Szakacs, R, Zwaan, MA, Klitsch, A, Hamanowicz, A, Sadler, EM, Biggs, A, Fresco, AY, Hayes, M, Howk, JC, Kacprzak, GG, Kuntschner, H, Nelson, D & Pettini, M 2023, 'MUSE-ALMA Haloes - VIII. Statistical study of circumgalactic medium gas', Monthly Notices of the Royal Astronomical Society, bind 519, nr. 1, s. 931-947. https://doi.org/10.1093/mnras/stac3497

APA

Weng, S., Peroux, C., Karki, A., Augustin, R., Kulkarni, V. P., Szakacs, R., Zwaan, M. A., Klitsch, A., Hamanowicz, A., Sadler, E. M., Biggs, A., Fresco, A. Y., Hayes, M., Howk, J. C., Kacprzak, G. G., Kuntschner, H., Nelson, D., & Pettini, M. (2023). MUSE-ALMA Haloes - VIII. Statistical study of circumgalactic medium gas. Monthly Notices of the Royal Astronomical Society, 519(1), 931-947. https://doi.org/10.1093/mnras/stac3497

Vancouver

Weng S, Peroux C, Karki A, Augustin R, Kulkarni VP, Szakacs R o.a. MUSE-ALMA Haloes - VIII. Statistical study of circumgalactic medium gas. Monthly Notices of the Royal Astronomical Society. 2023 feb. 1;519(1):931-947. https://doi.org/10.1093/mnras/stac3497

Author

Weng, S. ; Peroux, C. ; Karki, A. ; Augustin, R. ; Kulkarni, V. P. ; Szakacs, R. ; Zwaan, M. A. ; Klitsch, A. ; Hamanowicz, A. ; Sadler, E. M. ; Biggs, A. ; Fresco, A. Y. ; Hayes, M. ; Howk, J. C. ; Kacprzak, G. G. ; Kuntschner, H. ; Nelson, D. ; Pettini, M. / MUSE-ALMA Haloes - VIII. Statistical study of circumgalactic medium gas. I: Monthly Notices of the Royal Astronomical Society. 2023 ; Bind 519, Nr. 1. s. 931-947.

Bibtex

@article{2effdd08196440889c6b6f21b7754942,
title = "MUSE-ALMA Haloes - VIII. Statistical study of circumgalactic medium gas",
abstract = "The distribution of gas and metals in the circumgalactic medium (CGM) plays a critical role in how galaxies evolve. The MUSE-ALMA Haloes survey combines MUSE, ALMA, and HST observations to constrain the properties of the multiphase gas in the CGM and the galaxies associated with the gas probed in absorption. In this paper, we analyse the properties of galaxies associated with 32 strong H I Ly- alpha absorbers at redshift 0.2 (SIC) z (SIC) 1.4. We detect 79 galaxies within +/- 500 kms(-1) of the absorbers in our 19 MUSE fields. These associated galaxies are found at physical distances from 5.7 kpc and reach star formation rates as low as 0.1 M-? yr (-1). The significant number of associated galaxies allows us to map their physical distribution on the Av and b plane. Building on previous studies, we examine the physical and nebular properties of these associated galaxies and find the following: (i) 27/32 absorbers have galaxy counterparts and more than 50 per cent of the absorbers have two or more associated galaxies, (ii) the H I column density of absorbers is anticorrelated with the impact parameter (scaled by virial radius) of the nearest galaxy as expected from simulations, (iii) the metallicity of associated galaxies is typically larger than the absorber metallicity, which decreases at larger impact parameters. It becomes clear that while strong H I absorbers are typically associated with more than a single galaxy, we can use them to statistically map the gas and metal distribution in the CGM.",
keywords = "galaxies: abundance, galaxies: evolution, galaxies: formation, galaxies: haloes, quasars: absorption lines, LYMAN-ALPHA SYSTEMS, FIELD SPECTROSCOPY SURVEY, BARYON SURVEY CUBS, HUBBLE-SPACE-TELESCOPE, WALLABY EARLY SCIENCE, STAR-FORMING GALAXY, DAMPED LYMAN, MG-II, PHYSICAL-PROPERTIES, H I",
author = "S. Weng and C. Peroux and A. Karki and R. Augustin and Kulkarni, {V. P.} and R. Szakacs and Zwaan, {M. A.} and A. Klitsch and A. Hamanowicz and Sadler, {E. M.} and A. Biggs and Fresco, {A. Y.} and M. Hayes and Howk, {J. C.} and Kacprzak, {G. G.} and H. Kuntschner and D. Nelson and M. Pettini",
year = "2023",
month = feb,
day = "1",
doi = "10.1093/mnras/stac3497",
language = "English",
volume = "519",
pages = "931--947",
journal = "Royal Astronomical Society. Monthly Notices",
issn = "0035-8711",
publisher = "Oxford University Press",
number = "1",

}

RIS

TY - JOUR

T1 - MUSE-ALMA Haloes - VIII. Statistical study of circumgalactic medium gas

AU - Weng, S.

AU - Peroux, C.

AU - Karki, A.

AU - Augustin, R.

AU - Kulkarni, V. P.

AU - Szakacs, R.

AU - Zwaan, M. A.

AU - Klitsch, A.

AU - Hamanowicz, A.

AU - Sadler, E. M.

AU - Biggs, A.

AU - Fresco, A. Y.

AU - Hayes, M.

AU - Howk, J. C.

AU - Kacprzak, G. G.

AU - Kuntschner, H.

AU - Nelson, D.

AU - Pettini, M.

PY - 2023/2/1

Y1 - 2023/2/1

N2 - The distribution of gas and metals in the circumgalactic medium (CGM) plays a critical role in how galaxies evolve. The MUSE-ALMA Haloes survey combines MUSE, ALMA, and HST observations to constrain the properties of the multiphase gas in the CGM and the galaxies associated with the gas probed in absorption. In this paper, we analyse the properties of galaxies associated with 32 strong H I Ly- alpha absorbers at redshift 0.2 (SIC) z (SIC) 1.4. We detect 79 galaxies within +/- 500 kms(-1) of the absorbers in our 19 MUSE fields. These associated galaxies are found at physical distances from 5.7 kpc and reach star formation rates as low as 0.1 M-? yr (-1). The significant number of associated galaxies allows us to map their physical distribution on the Av and b plane. Building on previous studies, we examine the physical and nebular properties of these associated galaxies and find the following: (i) 27/32 absorbers have galaxy counterparts and more than 50 per cent of the absorbers have two or more associated galaxies, (ii) the H I column density of absorbers is anticorrelated with the impact parameter (scaled by virial radius) of the nearest galaxy as expected from simulations, (iii) the metallicity of associated galaxies is typically larger than the absorber metallicity, which decreases at larger impact parameters. It becomes clear that while strong H I absorbers are typically associated with more than a single galaxy, we can use them to statistically map the gas and metal distribution in the CGM.

AB - The distribution of gas and metals in the circumgalactic medium (CGM) plays a critical role in how galaxies evolve. The MUSE-ALMA Haloes survey combines MUSE, ALMA, and HST observations to constrain the properties of the multiphase gas in the CGM and the galaxies associated with the gas probed in absorption. In this paper, we analyse the properties of galaxies associated with 32 strong H I Ly- alpha absorbers at redshift 0.2 (SIC) z (SIC) 1.4. We detect 79 galaxies within +/- 500 kms(-1) of the absorbers in our 19 MUSE fields. These associated galaxies are found at physical distances from 5.7 kpc and reach star formation rates as low as 0.1 M-? yr (-1). The significant number of associated galaxies allows us to map their physical distribution on the Av and b plane. Building on previous studies, we examine the physical and nebular properties of these associated galaxies and find the following: (i) 27/32 absorbers have galaxy counterparts and more than 50 per cent of the absorbers have two or more associated galaxies, (ii) the H I column density of absorbers is anticorrelated with the impact parameter (scaled by virial radius) of the nearest galaxy as expected from simulations, (iii) the metallicity of associated galaxies is typically larger than the absorber metallicity, which decreases at larger impact parameters. It becomes clear that while strong H I absorbers are typically associated with more than a single galaxy, we can use them to statistically map the gas and metal distribution in the CGM.

KW - galaxies: abundance

KW - galaxies: evolution

KW - galaxies: formation

KW - galaxies: haloes

KW - quasars: absorption lines

KW - LYMAN-ALPHA SYSTEMS

KW - FIELD SPECTROSCOPY SURVEY

KW - BARYON SURVEY CUBS

KW - HUBBLE-SPACE-TELESCOPE

KW - WALLABY EARLY SCIENCE

KW - STAR-FORMING GALAXY

KW - DAMPED LYMAN

KW - MG-II

KW - PHYSICAL-PROPERTIES

KW - H I

U2 - 10.1093/mnras/stac3497

DO - 10.1093/mnras/stac3497

M3 - Journal article

VL - 519

SP - 931

EP - 947

JO - Royal Astronomical Society. Monthly Notices

JF - Royal Astronomical Society. Monthly Notices

SN - 0035-8711

IS - 1

ER -

ID: 334850102