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Halfway to the peak: Spatially resolved star formation and kinematics in a z=0.54 dusty galaxy with JWST/MIRI
Jason Young, Alexandra Pope, Anna Sajina +16
We present JWST/MIRI/MRS observations of an infrared luminous disk galaxy, FLS1, at z=0.54. With a lookback time of 5 Gyr, FLS1 is chronologically at the midpoint between the peak…
Tracing the Total Stellar Mass and Star Formation of High-Redshift Protoclusters
Roxana Popescu, Alexandra Pope, Kyoung-Soo Lee +6
As the progenitors of present-day galaxy clusters, protoclusters are excellent laboratories to study galaxy evolution. Since existing observations of protoclusters are limited to t…
The IR Compactness of Dusty Galaxies Set Star-formation and Dust Properties at z~0-2
Jed McKinney, Alexandra Pope, Allison Kirkpatrick +9
Surface densities of gas, dust and stars provide a window into the physics of star-formation that, until the advent of high-resolution far-infrared/sub-millimeter observations, has…
ALMA reveals a stable rotating gas disk in a paradoxical low-mass, ultra-dusty galaxy at z = 4.274
Alexandra Pope, Jed McKinney, Patrick Kamieneski +13
We report ALMA detections of [CII] and dust continuum in Az9, a multiply-imaged galaxy behind the Frontier Field cluster MACSJ0717.5+3745. The bright [CII] emission line provides a…
UV-FIR SED modeling of AGN in IR-luminous galaxies up to z~2.5: Understanding the effects of torus models
Alyssa D. Sokol, M. Yun, A. Pope +2
UV-FIR SED modeling is an effective way to disentangle emission between star formation (SF) and active galactic nuclei (AGN) in galaxies; however, this approach becomes uncertain f…
Broad emission lines in optical spectra of hot dust-obscured galaxies can contribute significantly to JWST/NIRCam photometry
Jed McKinney, Luke Finnerty, Caitlin Casey +13
Selecting the first galaxies at z>7-10 from JWST surveys is complicated by z<6 contaminants with degenerate photometry. For example, strong optical nebular emission lines at z<6 ma…
The Past and Future of Mid-Infrared Studies of AGN
Anna Sajina, Mark Lacy, Alexandra Pope
Observational studies of AGN in the mid-infrared regime are crucial to our understanding of AGN and their role in the evolution of galaxies. Mid-IR-based selection of AGN is comple…
The hidden side of cosmic star formation at z > 3: Bridging optically-dark and Lyman break galaxies with GOODS-ALMA
Mengyuan Xiao, David Elbaz, Carlos Gómez-Guijarro +37
Our current understanding of the cosmic star formation history at z>3 is primarily based on UV-selected galaxies (i.e., LBGs). Recent studies of H-dropouts have revealed that we ma…
Measuring Star Formation and Black Hole Accretion Rates in Tandem using Mid-Infrared Spectra of Local Infrared-Luminous Galaxies
Meredith Stone, Alexandra Pope, Jed McKinney +5
We present the results of a stacking analysis performed on Spitzer/Infrared Spectrograph high-resolution mid-infrared spectra of luminous infrared galaxies (LIRGs) in the Great Obs…
The dust-to-gas mass ratio of luminous galaxies as a function of their metallicity at cosmic noon
Gergö Popping, Irene Shivaei, Ryan L. Sanders +6
We aim to quantify the relation between the dust-to-gas mass ratio (DTG) and gas-phase metallicity of 2.1-2.5 luminous galaxies and contrast this high-redshift relation against…
IR SED and Dust Masses of Sub-solar Metallicity Galaxies at z~2.3
Irene Shivaei, Gergö Popping, George Rieke +12
We present results from ALMA 1.2mm continuum observations of a sample of 27 star-forming galaxies at z=2.1-2.5 from the MOSFIRE Deep Evolution Field (MOSDEF) survey. These galaxies…
Measuring the Total Ultraviolet Light from Galaxy Clusters at z=0.5-1.6: The Balance of Obscured and Unobscured Star-Formation
Jed McKinney, Vandana Ramakrishnan, Kyoung-Soo Lee +4
Combined observations from UV to IR wavelengths are necessary to fully account for the star-formation in galaxy clusters. Low mass (log M/Msun<10) galaxies are typically not indivi…
GOODS-ALMA 2.0: Starbursts in the main sequence reveal compact star formation regulating galaxy evolution prequenching
C. Gómez-Guijarro, D. Elbaz, M. Xiao +38
Compact star formation appears to be generally common in dusty star-forming galaxies (SFGs). However, its role in the framework set by the scaling relations in galaxy evolution rem…
Significant Molecular Gas Deficiencies in Star-forming Cluster Galaxies at
Stacey Alberts, Jéa Adams, Benjamin Gregg +3
We present the average gas properties derived from ALMA Band 6 dust continuum imaging of 126 massive (log ), star-forming cluster galaxies acros…
High Molecular-Gas to Dust Mass Ratios Predicted in Most Quiescent Galaxies
Katherine E. Whitaker, Desika Narayanan, Christina C. Williams +15
Observations of cold molecular gas reservoirs are critical for understanding the shutdown of star formation in massive galaxies. While dust continuum is an efficient and affordable…
Quenching of star formation from a lack of inflowing gas to galaxies
Katherine E. Whitaker, Christina C. Williams, Lamiya Mowla +16
Star formation in half of massive galaxies was quenched by the time the Universe was three billion years old. Very low amounts of molecular gas appear responsible for this, at leas…
Early Science with the Large Millimeter Telescope: a 1.1 mm AzTEC Survey of Red- dusty star-forming galaxies
A. Montaña, J. A. Zavala, I. Aretxaga +32
We present LMT/AzTEC 1.1mm observations of luminous high-redshift dusty star-forming galaxy candidates from the sq.deg -ATLAS survey, selected on the…
GOODS-ALMA 2.0: Source catalog, number counts, and prevailing compact sizes in 1.1 mm galaxies
C. Gómez-Guijarro, D. Elbaz, M. Xiao +36
Submillimeter/millimeter observations of dusty star-forming galaxies with the Atacama Large Millimeter/submillimeter Array (ALMA) have shown that dust continuum emission generally…
Early Science with the Large Millimeter Telescope: Constraining the Gas Fraction of a Compact Quiescent Galaxy at z=1.883
Joyce N. Caliendo, Katherine E. Whitaker, Mohammad Akhshik +14
We present constraints on the dust continuum flux and inferred gas content of a gravitationally lensed massive quiescent galaxy at =1.8830.001 using AzTEC 1.1mm imaging wit…
Dust-Enshrouded AGN can Dominate Host-Galaxy-Scale Cold-Dust Emission
Jed McKinney, Christopher C. Hayward, Lee J. Rosenthal +4
It is widely assumed that long-wavelength infrared (IR) emission from cold dust (T~20-40K) is a reliable tracer of star formation even in the presence of a bright active galactic n…
Measuring the total infrared light from galaxy clusters at z=0.5-1.6: connecting stellar populations to dusty star formation
Stacey Alberts, Kyoung-Soo Lee, Alexandra Pope +13
Massive galaxy clusters undergo strong evolution from z~1.6 to z~0.5, with overdense environments at high-z characterized by abundant dust-obscured star formation and stellar mass…
Measuring the Heating and Cooling of the Interstellar Medium at High redshift: PAH and [C II] Observations of the Same Star Forming Galaxies at z~2
Jed McKinney, Alexandra Pope, Lee Armus +4
Star formation depends critically on cooling mechanisms in the interstellar medium (ISM); however, thermal properties of gas in galaxies at the peak epoch of star formation (z ~ 2)…
An ALMA survey of the SCUBA-2 Cosmology Legacy Survey UKIDSS/UDS field: Dust attenuation in high-redshift Lyman break Galaxies
M. P. Koprowski, K. E. K. Coppin, J. E. Geach +26
We analyse 870um Atacama Large Millimetre Array (ALMA) dust continuum detections of 41 canonically-selected z~3 Lyman-break galaxies (LBGs), as well as 209 ALMA-undetected LBGs, in…
The Massive and Distant Clusters of WISE Survey VII: The Environments and Properties of Radio Galaxies in Clusters at z~1
Emily Moravec, Anthony H. Gonzalez, Daniel Stern +8
We present the results from a study with NSF's Karl G. Jansky Very Large Array (VLA) to determine the radio morphologies of extended radio sources and the properties of their host…