output
19912026
Showing 2020 · astro-ph.GAShow all

53 papers · 2 filters

astro-ph.GA2020★ 20 cited

Far-Infrared Line Diagnostics: Improving N/O Abundance Estimates for Dusty Galaxies

Bo Peng, Cody Lamarche, Gordon Stacey +8

The Nitrogen-to-Oxygen (N/O) abundance ratio is an important diagnostic of galaxy evolution since the ratio is closely tied to the growth of metallicity and the star formation hist…

astro-ph.GA2020★ 15 cited

COLDz: Deep 34 GHz Continuum Observations and Free-free Emission in High-redshift Star-forming Galaxies

H. S. B. Algera, J. A. Hodge, D. Riechers +9

The high-frequency radio sky has historically remained largely unexplored due to the typical faintness of sources in this regime, and the modest survey speed compared to observatio…

astro-ph.GA2020★ 20 cited

Rise of the Titans: Gas Excitation and Feedback in a Binary Hyper-Luminous Dusty Starburst Galaxy at z~6

Dominik A. Riechers, Hooshang Nayyeri, Denis Burgarella +8

We report new observations toward the hyper-luminous dusty starbursting major merger ADFS-27 (z=5.655), using ATCA and ALMA. We detect CO 2-1, 8-7, 9-8, 10-9 and H2O(321-221) emiss…

astro-ph.GA2020★ 70 cited

The ALFALFA-SDSS Galaxy Catalog

Adriana Durbala, Rose A. Finn, Mary Crone Odekon +3

We present an HI-optical catalog of ~ 30,000 galaxies based on the 100% complete Arecibo Legacy Fast Arecibo L-band Feed Array (ALFALFA) survey combined with data from the Sloan Di…

astro-ph.GA2020★ 99 cited

Turbulent Gas in Lensed Planck-selected Starbursts at redshifts 1-3.5

Kevin C. Harrington, Axel Weiss, Min S. Yun +26

Dusty star-forming galaxies at high redshift (1 < z < 3) represent the most intense star-forming regions in the Universe. Key aspects to these processes are the gas heating and coo…

astro-ph.GA2020★ 21 cited

Strong Mg II and Fe II Absorbers at 2.2 < z < 6.0

Siwei Zou, Linhua Jiang, Yue Shen +13

We present a study of strong intervening absorption systems in the near-IR spectra of 31 luminous quasars at . The quasar spectra were obtained with {\it Gemini} GNIRS that…

astro-ph.GA2020★ 155 cited

The ALMA Spectroscopic Survey Large Program: The Infrared Excess of z=1.5-10 UV-selected Galaxies and the Implied High-Redshift Star Formation History

Rychard Bouwens, Jorge Gonzalez-Lopez, Manuel Aravena +22

We make use of sensitive (9.3 microJy/beam RMS) 1.2mm-continuum observations from the ASPECS ALMA large program of the Hubble Ultra Deep Field (HUDF) to probe dust-enshrouded star…

astro-ph.GA2020★ 79 cited

All the PAHs: an AKARI-Spitzer Cross Archival Spectroscopic Survey of Aromatic Emission in Galaxies

Thomas S. -Y. Lai, J. D. T. Smith, Shunsuke Baba +2

We present a large sample of 2.5-38 galaxy spectra drawn from a cross-archival comparison in the AKARI-Spitzer Extragalactic Spectral Survey (ASESS), and investigate a subset…

astro-ph.GA2020★ 46 cited

A Multi-wavelength Analysis of the Faint Radio Sky (COSMOS-XS): the Nature of the Ultra-faint Radio Population

H. S. B. Algera, D. Van der Vlugt, J. A. Hodge +7

Ultra-deep radio surveys are an invaluable probe of dust-obscured star formation, but require a clear understanding of the relative contribution from radio AGN to be used to their…

astro-ph.GA2020★ 43 cited

An Ultra-deep Multi-band VLA Survey of the Faint Radio Sky (COSMOS-XS): Source Catalog and Number Counts

D. Van der Vlugt, H. S. B. Algera, J. A. Hodge +6

We present ultra-deep, matched-resolution Karl G. Jansky Very Large Array (VLA) observations at 10 and GHz in the COSMOS field: the COSMOS-XS survey. The final 10 and GHz i…

astro-ph.GA2020★ 144 cited

The Evolution of the Baryons Associated with Galaxies Averaged over Cosmic Time and Space

Fabian Walter, Chris Carilli, Marcel Neeleman +30

We combine the recent determination of the evolution of the cosmic density of molecular gas (H_2) using deep, volumetric surveys, with previous estimates of the cosmic density of s…

astro-ph.GA2020★ 121 cited

The ALMA Spectroscopic Survey in the HUDF: CO Excitation and Atomic Carbon in Star-Forming Galaxies at

Leindert A. Boogaard, Paul van der Werf, Axel Weiß +15

We investigate the CO excitation and interstellar medium (ISM) conditions in a cold gas mass-selected sample of 22 star-forming galaxies at , observed as part of the A…

astro-ph.GA2020★ 12 cited

The ALMA Spectroscopic Survey in the HUDF: Constraining the Molecular Content at with CO stacking of MUSE detected Galaxies

Hanae Inami, Roberto Decarli, Fabian Walter +19

We report molecular gas mass estimates obtained from a stacking analysis of CO line emission in the ALMA Spectroscopic Survey (ASPECS) using the spectroscopic redshifts from the op…

astro-ph.GA2020★ 108 cited

The ALMA Spectroscopic Survey in the HUDF: Multi-band constraints on line luminosity functions and the cosmic density of molecular gas

Roberto Decarli, Manuel Aravena, Leindert Boogaard +20

We present a CO and atomic fine-structure line luminosity function analysis using the ALMA Spectroscopic Survey in the Hubble Ultra Deep Field (ASPECS). ASPECS consists of two spat…

astro-ph.GA2020★ 8 cited

Observations of [OI]63micron line emission in main-sequence galaxies at z~1.5

J. Wagg, M. Aravena, D. Brisbin +9

We present Herschel-PACS spectroscopy of four main-sequence star-forming galaxies at z~1.5. We detect [OI]63micron line emission in BzK-21000 at z=1.5213, and measure a line lumino…

astro-ph.GA2020★ 8 cited

Dying of the Light: An X-ray Fading Cold Quasar at z ~ 0.405

Kevin C. Cooke, Allison Kirkpatrick, Michael Estrada +11

Cold quasars are a rare subpopulation observed to host unobscured, X-ray luminous active galactic nuclei (AGN) while also retaining a cold gas supply fueling high star formation ra…

astro-ph.GA2020★ 24 cited

Extinction in the 11.2 micron PAH band and the low L_11.2/L_IR in ULIRGs

Antonio Hernan-Caballero, Henrik W. W. Spoon, Almudena Alonso-Herrero +9

We present a method for recovering the intrinsic (extinction-corrected) luminosity of the 11.2 micron PAH band in galaxy spectra. Using 105 high S/N Spitzer/IRS spectra of star-for…

astro-ph.GA2020★ 10 cited

Extraplanar gas in Edge-on Galaxies traced by SOFIA observations of [C II]

William T. Reach, Dario Fadda, Richard J. Rand +1

Bursts of localized star formation in galaxies can levitate material from their midplanes. Spiral galaxies that are edge-on allow clear distinction of material that is levitated of…

astro-ph.GA2020★ 47 cited

Probing galaxy evolution in massive clusters using ACT and DES: splashback as a cosmic clock

Susmita Adhikari, Tae-hyeon Shin, Bhuvnesh Jain +113

We measure the projected number density profiles of galaxies and the splashback feature in clusters selected by the Sunyaev--Zeldovich (SZ) effect from the Advanced Atacama Cosmolo…

astro-ph.GA2020★ 1 cited

Ionized and atomic interstellar medium in the z = 6.003 quasar SDSS J2310+1855

Jianan Li, Ran Wang, Pierre Cox +13

Observing the interstellar medium (ISM) in quasars host galaxies is essential for understanding the co-evolution between the supermassive black holes and their hosts.…

astro-ph.GA2020★ 17 cited

HAWC+ Far-Infrared Observations of the Magnetic Field Geometry in M51 and NGC 891

Terry Jay Jones, Jin-Ah Kim, C. Darren Dowell +29

SOFIA HAWC+ polarimetry at $154~\micron$ is reported for the face-on galaxy M51 and the edge-on galaxy NGC 891. For M51, the polarization vectors generally follow the spiral patter…

astro-ph.GA2020★ 21 cited

The Ionised- and Cool-Gas Content of The BR1202-0725 System as seen by MUSE and ALMA

A. B. Drake, F. Walter, M. Novak +7

We present MUSE observations of the gas-rich major-merger BR1202-0725 at z~4.7, which constitutes one of the most overdense fields known in the early Universe. We utilise these dat…

astro-ph.GA2020★ 101 cited

The ALPINE-ALMA [CII] Survey: Obscured Star Formation Rate Density and Main Sequence of star-forming galaxies at z>4

Y. Khusanova, M. Béthermin, O. Le Fèvre +30

Star formation rate (SFR) measurements at z>4 have relied mostly on rest-frame far-ultraviolet (FUV) observations. The corrections for dust attenuation based on IRX- relation ar…

astro-ph.GA2020★ 14 cited

Observations by GMRT at 323 MHz of radio-loud quasars at

Yali Shao, Jeff Wagg, Ran Wang +5

We present Giant Metrewave Radio Telescope (GMRT) 323 MHz radio continuum observations toward 13 radio-loud quasars at , sampling the low-frequency synchrotron emission from t…