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We present SPIRE spectroscopy for 9 early-type galaxies (ETGs) representing the most CO-rich and far-infrared (FIR) bright galaxies of the volume-limited Atlas3D sample. Our data include detections of mid to high J CO transitions (J=4-3 to…

Astrophysics of Galaxies · Physics 2019-04-24 Ryen Carl Lapham , Lisa M. Young

The central star-forming regions in three blue compact dwarf galaxies (He 2-10, NGC 5253, and II Zw 40) were observed in the 340 GHz (880 micron) band at 5 arcsec resolution with the Submillimetre Array (SMA). Continuum emission associated…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-12 Hiroyuki Hirashita

Far-infrared (FIR) and mid-infrared (MIR) fine-structure lines (FSLs) are widely used for studying galaxies nearby and faraway. However, interpreting these lines is complicated by factors including sample and data bias, mismatch between…

Astrophysics of Galaxies · Physics 2025-07-16 Bo Peng , Cody Lamarche , Catie Ball , Amit Vishwas , Gordon Stacey , Christopher Rooney , Thomas Nikola , Carl Ferkinhoff

We investigate the CO excitation of normal star forming disk galaxies at z=1.5 using IRAM PdBI observations of the CO[2-1], CO[3-2] and CO[5-4] transitions for 4 galaxies, including VLA observations of CO[1-0] for 3 of them, with the aim of…

We have studied the radio and far-infrared (FIR) emission from 114 galaxies in the 7 nearest clusters (<100 Mpc) with prominent X-ray emission to investigate the impact of the cluster environment on the star formation and AGN activity in…

Astrophysics · Physics 2009-11-10 Naveen A. Reddy , Min S. Yun

Aims: We present new radio continuum observations of ten BIMA SONG galaxies, taken at 1.4 GHz with the Very Large Array. These observations allow us to extend the study of the relationships between the radio continuum (RC) and CO emission…

Astrophysics · Physics 2009-11-11 R. Paladino , M. Murgia , T. T. Helfer , T. Wong , R. Ekers , L. Blitz , L. Gregorini , L. Moscadelli

We present resolved [CI] line intensities of 18 nearby galaxies observed with the SPIRE FTS spectrometer on the Herschel Space Observatory. We use these data along with resolved CO line intensities from $J_\mathrm{up} = 1$ to 7 to interpret…

The evolution of galaxies is greatly influenced by their interactions. As part of a program to study interacting galaxies, we have measured and modeled the spectral energy distri- butions (SEDs) from the ultraviolet (UV) to the far-infrared…

We present a study of the X-ray properties of a sample of six nearby late-type spiral galaxies based on XMM-Newton observations. Since our primary focus is on the linkage between X-ray emission and star formation in extended, extranuclear…

Astrophysics of Galaxies · Physics 2015-05-13 R. A. Owen , R. S. Warwick

We study the relationship between the [CII] emission and the star formation rate (SFR) in the Galactic plane and separate the relationship of different ISM phases to the SFR. We compare these relationships to those in external galaxies and…

Astrophysics of Galaxies · Physics 2014-11-05 Jorge L. Pineda , William D. Langer , Paul F. Goldsmith

ALMA Cycle 2 observations of the long wavelength dust emission in 145 star-forming galaxies are used to probe the evolution of star-forming ISM. We also develop the physical basis and empirical calibration (with 72 low-z and z ~ 2 galaxies)…

Galaxies obey a number of empirical correlations between their radio, {\gamma}-ray, and infrared emission, but the physical origins of these correlations remain uncertain. Here we use the CONGRuENTS model for broadband non-thermal emission…

High Energy Astrophysical Phenomena · Physics 2024-06-18 Matt A. Roth , Mark R. Krumholz , Roland M. Crocker , Todd A. Thompson

We report interferometric measurements of [NII] 205 um fine-structure line emission from a representative sample of three galaxies at z=5-6 using the Atacama Large (sub)Millimeter Array (ALMA). These galaxies were previously detected in…

We present a multi-wavelength analysis of star-forming galaxies in the massive cluster MS0451.6-0305 at z $\sim$ 0.54 to shed new light on the evolution of the far-infrared-radio relationship in distant rich clusters. We have derived total…

Astrophysics of Galaxies · Physics 2015-06-23 S. M. Randriamampandry , S. M. Crawford , C. M. Cress , K. M. Hess , M. Vaccari , E. M. Wilcots , M. A. Bershady , G. D. Wirth

We used three indicators of massive star formation: $H_{\alpha}$, FIR and non-thermal radio luminosities, to compare estimations of Star Formation Rate (SFR) for the sample of 34 spiral galaxies. To adjust SFR values, obtained from…

Astrophysics · Physics 2009-10-31 D. V. Bizyaev

We present the results of a CO line survey of 30 galaxies at moderate redshift (z \sim 0.2-0.6), with the IRAM 30m telescope, with the goal to follow galaxy evolution and in particular the star formation efficiency (SFE) as defined by the…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-19 F. Combes , S. Garcia-Burillo , J. Braine , E. Schinnerer , F. Walter , L. Colina

We present Herschel observations of six fine-structure lines in 25 Ultraluminous Infrared Galaxies at z<0.27. The lines, [O III]52, [N III]57, [O I]63, [N II]122, [O I]145, and [C II]158, are mostly single gaussians with widths <600 km s-1…

We examine the 10\m\ emission of the central regions of 281 spiral galaxies, after having compiled all ground-based, small-aperture ($\sim$5") broad-band photometric observations at \l$\sim$10\m\ (N magnitudes) published in the literature.…

Astrophysics · Physics 2009-10-22 G. Giuricin , L. Tamburini , F. Mardirossian , M. Mezzetti , P. Monaco

We present S\'IGAME simulations of the [CII]157.7$\mu$ fine structure line emission from cosmological smoothed particle hydrodynamics (SPH) simulations of seven main sequence galaxies at z=2. Using sub-grid physics prescriptions the gas in…

Astrophysics of Galaxies · Physics 2015-11-25 Karen P. Olsen , Thomas R. Greve , Desika Narayanan , Robert Thompson , Sune Toft , Christian Brinch

We present a study of interstellar medium in the host galaxies of 9 QSOs at 0.1<z<0.2 with blackhole masses of $3\times10^7\,M_\odot$ to $3\times10^9\,M_\odot$ based on the far-IR spectroscopy taken with {\it Herschel Space Observatory}. We…

Astrophysics of Galaxies · Physics 2016-07-06 Yinghe Zhao , Lin Yan , Chao-Wei Tsai