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Related papers: [CII] Emission in a Self-Regulated Interstellar Me…

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Context. The [CII] 158 {\mu}m far-infrared (FIR) fine-structure line is one of the most important cooling lines of the star-forming interstellar medium (ISM). High spectral resolution observations have shown complex structures in the line…

Astrophysics of Galaxies · Physics 2020-04-08 C. Guevara , J. Stutzki , V. Ossenkopf-Okada , R. Simon , J. P. Pérez-Beaupuits , H. Beuther , S. Bihr , R. Higgins , U. Graf , R. Güsten

Cosmic metal enrichment is one of the key physical processes regulating galaxy formation and the evolution of the intergalactic medium (IGM). However, determining the metal content of the most distant galaxies has proven so far almost…

Cosmology and Nongalactic Astrophysics · Physics 2015-09-09 A. Pallottini , S. Gallerani , A. Ferrara , B. Yue , L. Vallini , R. Maiolino , C. Feruglio

As a major cooling line of interstellar gas, the far-infrared 158 {\mu}m line from singly ionised carbon [CII] is an important tracer of various components of the interstellar medium in galaxies across all spatial and morphological scales.…

We present a statistical algorithm for predicting the [CII] emission from Herschel and Spitzer continuum images using probability density functions between the [CII] emission and continuum emission. The [CII] emission at 158 $\mu$m is a…

Astrophysics of Galaxies · Physics 2023-08-23 Young Min Seo , Karen Willacy , Umaa Rebbapragada

(Abridged) We present fine structure and recombination lines observations of the ionized gas toward a sample of 18 sources located within 300 pc of the center of the Galaxy (GC). The fine structure lines from [NII] and [SIII] have been…

Astrophysics · Physics 2009-11-10 N. J. Rodriguez-Fernandez , J. Martin-Pintado

We report the detection of the [CII]157.74um fine-structure line in the lensed galaxy BRI 0952-0115 at z=4.43, using the APEX telescope. This is the first detection of the [CII] line in a source with L_FIR < 10^13 L_sun at high redshift.…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-13 R. Maiolino , P. Caselli , T. Nagao , M. Walmsley , C. De Breuck , M. Meneghetti

We study the properties of the interstellar medium in the interacting system BR1202-0725 at z=4.7 via its [NII] and [CII] fine-structure line emission. This system consists of a QSO, a sub-mm galaxy (SMG), and two Ly-alpha emitters (LAEs).…

Astrophysics of Galaxies · Physics 2015-06-18 R. Decarli , F. Walter , C. Carilli , F. Bertoldi , P. Cox , C. Ferkinhoff , B. Groves , R. Maiolino , R. Neri , D. Riechers , A. Weiss

We present new results from near-infrared spectroscopy with Keck/MOSFIRE of [OIII]-selected galaxies at $z\sim3.2$. With our $H$ and $K$-band spectra, we investigate the interstellar medium (ISM) conditions, such as ionization states and…

We use a suite of hydrodynamics simulations of the interstellar medium (ISM) within a galactic disk, which include radiative transfer, a non-equilibrium model of molecular hydrogen, and a realistic model for star formation and feedback, to…

Astrophysics of Galaxies · Physics 2024-05-07 Ava Polzin , Andrey V. Kravtsov , Vadim A. Semenov , Nickolay Y. Gnedin

We present a comprehensive survey of CII* absorption detections toward stars within 100 pc in order to measure the distribution of electron densities present in the local interstellar medium (LISM). Using high spectral resolution…

Astrophysics · Physics 2009-11-13 Seth Redfield , Ross E. Falcon

We have recently detected the [CII] 157.7 micron line in eight star forming galaxies at redshifts 1 to 2 using the redshift(z) Early Universe Spectrometer (ZEUS). Our sample targets star formation dominant sources detected in PAH emission.…

This work presents high spectral resolution observations of the \CII\ line at 158 \micron, one of the major cooling lines of the interstellar medium, taken with the HIFI heterodyne spectrometer on the Herschel satellite. In BCLMP 691, an…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-05 J. Braine , P. Gratier , C. Kramer , F. P. Israel , F. van der Tak , B. Mookerjea , M. Boquien , F. Tabatabaei , P. van der Werf , C. Henkel

In the final paper of this series, we discuss new perspectives and challenges in the study of interstellar medium (ISM), leveraging comprehensive catalogs and physical insights presented in our previous papers. We focus on key questions of…

Astrophysics of Galaxies · Physics 2025-07-18 Bo Peng , Gordon Stacey , Amit Vishwas , Catie Ball , Cody Lamarche , Christopher Rooney , Thomas Nikola , Carl Ferkinhoff

We present three-dimensional astrochemical simulations and synthetic observations of magnetised, turbulent, self-gravitating molecular clouds. We explore various galactic interstellar medium environments, including cosmic-ray ionization…

Astrophysics of Galaxies · Physics 2021-01-20 Thomas G. Bisbas , Jonathan C. Tan , Kei E. I. Tanaka

We present the first 7.5'x11.5' velocity-resolved map of the [CII]158um line toward the Orion molecular cloud-1 (OMC-1) taken with the Herschel/HIFI instrument. In combination with far-infrared (FIR) photometric images and velocity-resolved…

C$_2$H is a representative hydrocarbon that is abundant and ubiquitous in the interstellar medium (ISM). To study its chemical properties, we present Submillimeter Array (SMA) observations of the C$_2$H $N=3-2$ and HC$_3$N $J=30-29$…

Solar and Stellar Astrophysics · Physics 2015-08-06 Xue-Jian Jiang , Hauyu Baobab Liu , Qizhou Zhang , Junzhi Wang , Zhi-Yu Zhang , Juan Li , Yu Gao , Qiusheng Gu

The [NII] 122 and 205 \mu m transitions are powerful tracers of the ionized gas in the interstellar medium. By combining data from 21 galaxies selected from the Herschel KINGFISH and Beyond the Peak surveys, we have compiled 141 spatially…

Recent multi-wavelength observations by JWST and ALMA are unveiling both ionized and neutral ISM components in high-redshift ($z>6$) galaxies. In this work, we investigate the origin of rest-frame far-infrared [OIII]88 $\mu$m and [CII]158…

Astrophysics of Galaxies · Physics 2025-12-19 Yurina Nakazato , Kazuyuki Sugimura , Akio K. Inoue , Massimo Ricotti

We present [CII] synthetic observations of smoothed particle hydrodynamics (SPH) simulations of a dwarf galaxy merger. The merging process varies the star-formation rate by more than three orders of magnitude. Several star clusters are…

Gaseous flows inside and outside galaxies are key to understanding galaxy evolution, as they regulate their star formation activity across cosmic time. We study the ISM kinematics of 330 CIII or HeII emitters, using far-UV ISM absorption…