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I am interested in the physical processes involved in the incipient stages of star and planet formation, the interstellar medium, astrochemistry, and astrobiology. My research focuses on infrared through radio imaging and spectroscopy with single-dish telescopes and interferometers. I have worked on a variety of projects studying the nascent stages of both low-mass and high-mass star formation and the chemical evolution of those regions within our Galaxy and nearby galaxies. Show Less
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Courses
- AAAstronomy and Astrophysics
- TIMSFThe Interstellar Medium and Star Formation
- LULife in the Universe
- FAFundamentals of Astronomy
Grants
- An Undergraduate Group Research Project: Large Scale Mapping of the Structure and Kinematics of Filaments and Cores in Nearby Molecular Clouds
Principal Investigator (PI)
2022
$410.3K
Active - Far-IR Dust and Magnetic Field Alignment Study of the Collapse Candidate Starless Core L63
Co-Investigator (COI)
2021
$40.0K
Active - 06_234: A Systematic Survey of Magnetic Field Orientation in Massive Quiescent Clumps
Co-Investigator (COI)
2018
$60.0K
- Starless Cores and Clumps: The Physical and Kinematic Structure of the Incipient Phase of Star Formation
Principal Investigator (PI)
2014
$252.1K
- NRAO Student Observing Support Award to Youngmin Seo
Principal Investigator (PI)
2014
$23.4K
- A Study of the Physics and Evolution of the L1495/B213 Molecular Filament in Taurus
Principal Investigator (PI)
2013
$30.7K
- The Arizona Radio Observatory: Surveying the ISM through Millimeter and Sub-millimeter Spectroscopy
Co-Investigator (COI)
2012
$1.6M
- Visiting Astronomer - Dr. Yancy Shirley
Principal Investigator (PI)
2011
$12.6K
- Astrophysics with Bolocam Galactic Plane Survey
Principal Investigator (PI)
2010
$623.1K
- The California-Arizona Minority Partnership for Astronomy Research and Education (CAMPARE)
Co-Investigator (COI)
2009
$315.5K
News
- Ingredients for Life Appear in Stellar Nurseries Long Before Stars are Born
2020
- UA Students Find Foundations for Galaxy's Most Massive Stars
2018
- UA-Led Research Maps Where Stars Are Born
2013
Publications (120)
Recent
- A survey of CH$_{2$DOH towards starless and pre-stellar cores in the Taurus molecular cloud}
2021
- FAUST. II. Discovery of a Secondary Outflow in IRAS 15398-3359: Variability in Outflow Direction during the Earliest Stage of Star Formation?
2021
- Transition from coherent cores to surrounding cloud in L1688
2021
- Evidence of Core Growth in the Dragon Infrared Dark Cloud: A Path for Massive Star Formation
2021
- Are Massive Dense Clumps Truly Subvirial? A New Analysis Using Gould Belt Ammonia Data
2021
- An ALMA study of hub-filament systems - I. On the clump mass concentration within the most massive cores
2021
- Detection of complex organic molecules in young starless core L1521E
2021
- Prevalence of Complex Organic Molecules in Starless and Prestellar Cores within the Taurus Molecular Cloud
2020
- The MUSTANG Galactic Plane Survey (MGPS90) Pilot
2020
- Relative alignment between dense molecular cores and ambient magnetic field: the synergy of numerical models and observations
2020
- Velocity-coherent Filaments in NGC 1333: Evidence for Accretion Flow?
2020
- The Virial State of Starless Cores
2020
- Efficient Methanol Production on the Dark Side of a Prestellar Core
2020
- FAUST I. The hot corino at the heart of the prototypical Class I protostar L1551 IRS5
2020
- Ubiquitous NH$_{3$ supersonic component in L1688 coherent cores}
2020
- Droplets. I. Pressure-dominated Coherent Structures in L1688 and B18
2019
- The Green Bank Ammonia Survey: A Virial Analysis of Gould Belt Clouds in Data Release 1
2019
- ALMA Observations of Fragmentation, Substructure, and Protostars in High-mass Starless Clump Candidates
2019
- Probing gas inflow with GBT/ALMA mapping towards starless clump candidates
2019
- An Ammonia Spectral Map of the L1495-B218 Filaments in the Taurus Molecular Cloud. II. CCS and HC$_7$N Chemistry and Three Modes of Star Formation in the Filaments
2019
- Droplets. II. Internal Velocity Structures and Potential Rotational Motions in Pressure-dominated Coherent Structures
2019
- Thermal balance and comparison of gas and dust properties of dense clumps in the Hi-GAL survey
2019
- Why Post-starburst Galaxies Are Now Quiescent
2018
- Searching for Inflow toward Massive Starless Clump Candidates Identified in the Bolocam Galactic Plane Survey
2018
- An Ammonia Spectral Map of the L1495-B218 Filaments in the Taurus Molecular Cloud: II CCS amp HC$_7$N Chemistry and Three Modes of Star Formation in the Filaments
2018
- Deuteration of ammonia in the starless core Ophiuchus/H-MM1
2017
- Constraining the Dust Opacity Law in Three Small and Isolated Molecular Clouds
2017
- The Green Bank Ammonia Survey: Dense Cores under Pressure in Orion A
2017
- The Green Bank Ammonia Survey: First Results of NH$_{3$ Mapping ofnbspthe Gould Belt}
2017
- ALMA Observations of Starless Core Substructure in Ophiuchus
2017
- The Green Bank Ammonia Survey: Observations of Hierarchical Dense Gas Structures in Cepheus-L1251
2017
- The Bolocam Galactic Plane Survey. XIV. Physical Properties of Massive Starless and Star-forming Clumps
2016
- The Case for a Publicly Available, Well-Instrumented GBT Operating at 20-115 GHz
2016
- CARMA Large Area Star Formation Survey: Dense Gas in the Young L1451 Region of Perseus
2016
- {Chemical evolution in the early phases of massive star formation. II. Deuteration}
2015
- The Bolocam Galactic Plane Survey. XII. Distance Catalog Expansion Using Kinematic Isolation of Dense Molecular Cloud Structures with $^13$CO(1-0)
2015
- Discovery of Large Molecular Gas Reservoirs in Post-starburst Galaxies
2015
- {The Bolocam Galactic Plane Survey. XIV. Physical Properties of Massive Starless and Star Forming Clumps}
2015
- {The Bolocam Galactic Plane Survey. XI. Temperatures and Substructure of Galactic Clumps Based On 350 {$mu$}M Observations}
2015
- {The Bolocam Galactic Plane Survey. XIII. Physical Properties and Mass Functions of Dense Molecular Cloud Structures}
2015
- {The Kinematic and Chemical Properties of a Potential Core-forming Clump: Perseus B1-E}
2015
- The Critical Density and the Effective Excitation Density of Commonly Observed Molecular Dense Gas Tracers
2015
- {An Ammonia Spectral Map of the L1495-B218 Filaments in the Taurus Molecular Cloud. I. Physical Properties of Filaments and Dense Cores}
2015
- How to Calculate Molecular Column Density
2015
- The Structure of Dense Gas in Perseus and Serpens: CLASSy Results
2014
- Outflows, Dusty Cores, and a Burst of Star Formation in the North America and Pelican Nebulae
2014
- CARMA Large Area Star Formation Survey: Structure and Kinematics of Dense Gas in Serpens Main
2014
- Analysis of the Serpens South Filamentary Cloud: CLASSy Results
2014
- Dendrogram Analysis of Large-Area CARMA Images in Perseus: the Dense Gas in NGC 1333, Barnard 1, and L1451
2014
- Kinematic Results From a Systematic Search for Infall Signatures Towards the Starless Core Population in the Perseus Molecular Cloud
2014
- CARMA Large Area Star Formation Survey: Observational Analysis of Filaments in the Serpens South Molecular Cloud
2014
- Kinematics and Temperature Structures of Filaments in Serpens Main and Serpens South
2014
- CARMA Large Area Star Formation Survey: Project Overview with Analysis of Dense Gas Structure and Kinematics in Barnard 1
2014
- Chemical evolution in the early phases of massive star formation. i
2014
- The bolocam galactic plane survey. X. A complete spectroscopic catalog of dense molecular gas observed toward 1.1 mm dust continuum sources with 7.°5 ≤ l ≤ 194°
2013
- CARMA Large Area Star-formation Survey: First Look at Barnard 1
2013
- The thermal structure of low-mass cloud cores
2013
- CARMA Large Area Star-formation Survey: First Look at Serpens Main
2013
- The bolocam galactic plane survey. VIII. A mid-infrared kinematic distance discrimination method
2013
- On the internal dynamics of starless cores: Stability of starless cores with internal motions and collapse dynamics
2013
- The Earliest Phases of Star Formation (EPoS): A Herschel key project: The thermal structure of low-mass molecular cloud cores
2013
- Enhancing Astronomy Major Learning Through Group Research Projects
2013
- A Systematic Search for Infall Signatures Towards the Starless Core Population in the Perseus Molecular Cloud
2013
- Physical properties of high-mass star-forming clumps in different evolutionary stages from the Bolocam Galactic Plane Survey
2013
- The Bolocam Galactic Plane Survey. IX. Data release 2 and outer galaxy extension
2013
- An analysis of the deuterium fractionation of star-forming cores in the perseus molecular cloud
2013
- Using Group Research to Stimulate Undergraduate Astronomy Major Learning
2013
- The Dynamic Role of Large-Scale Gas Flows in High-Mass Star-Forming Filaments
2013
- CARMA Large-Area Star-formation Survey: First Look at NGC 1333 SVS-13 Region
2013
- Dense Core Properties in the Serpens North Molecular Cloud
2012
- A systematic search for molecular outflows toward candidate low-luminosity protostars and very low luminosity objects
2012
- A Systematic Study of Deuteration of Dense Cores in Perseus
2012
- A Systematic Search for Molecule Outflows Toward Candiate Low-Luminosity Protostars
2012
- AZTECAN C3PO: Arizona Three-millimeter Educational C18O And N2H+ Cold Core Census of Planck Objects
2012
- Evaluating Early-time vs. Late-time Chemical Evolutionary Tracers in Starless Cores
2012
- A Complete Spectroscopic Survey of Dense Molecular Gas in Clumps in the Bolocam Galactic Plane Survey with $l $ backslash$geq 7.5 $ deg
2012
- Constraining the Physical Structure and Dust Opacities Toward the Class 0 Protostar B335
2012
- KFPA Mapping of NH3 in the G111 Infrared Dark Cloud Filament
2012
- Using Group Research Projects to Stimulate Undergraduate Astronomy Major Learning
2012
- Star Formation Studies with ALMA in Cycle 0 and Cycle 1
2012
- Tentative detection of deuterated methane toward the low-mass protostar iras 04368+2557 in L1527
2012
- Analysis Of The California Molecular Cloud Through CS J(2-1), HCN J(1-0), And C18O J(2- 1)molecular Tracers
2012
- Mustang 3.3 mm continuum observations of class 0 protostars
2011
- C sup 18 /sup O depletion in starless cores in Taurus
2011
- Testing the global star formation relation: An HCO sup + /sup (3-2) mapping study of RED MSX Sources in the Bolocam Galactic Plane Survey
2011
- The Bolocam Galactic Plane Survey. V. HCO sup + /sup and N sub 2 /sub H sup + /sup spectroscopy of 1.1mm dust continuum sources
2011
- Evidence for inflow in high-mass star-forming clumps
2011
- Very large array observations of the infrared dark cloud G19.30+0.07
2011
- The physical properties of high-mass star-forming clumps: A systematic comparison of molecular tracers
2011
- The Spitzer C2D survey of nearby dense cores. XI. Infrared and submillimeter observations of CB130
2011
- The bolocam galactic plane survey. III. Characterizing physical properties of massive star-forming regions in the Gemini OB1 molecular cloud
2010
- The Bolocam Galactic Plane Survey: λ = 1.1 and 0.35 mm dust continuum emission in the Galactic center region
2010
- Unbiased fitting of B335 dust continuum observations: Approach and evidence for variation of grain properties with position
2010
- An infrared through radio study of the properties and evolution of IRDC clumps
2010
- The initial conditions of clustered star formation. III. the deuterium fractionation of the ophiuchus B2 core
2010
- Herschel observations of the W43 mini-starburst
2010
- The properties of massive, dense clumps: Mapping surveys of HCN and CS
2010
- Enhanced dense gas fraction in ultraluminous infrared galaxies
2009
- The initial conditions of clustered star formation. i. nh sub 3 /sub observations of dense cores in ophiuchus
2009
- The spitzer c2d survey of nearby dense cores. VI. the protostars of lynds dark nebula 1221
2009
- Current star formation in the ophiuchus and perseus molecular clouds: Constraints and comparisons from unbiased submillimeter and mid-infrared surveys. II
2008
- High resolution submillimeter observations of massive protostars
2008
- The detection and characterization of centimeter radio continuum emission from the low-mass protostar L1014-IRS
2007
- Arcsecond-scale kinematic and chemical complexity in Cepheus A East
2007
- The spitzer c2d survey of nearby dense cores. II. Discovery of a low-luminosity object in the evolved starless core L1521F
2006
- Submillimeter common-user bolometer array mapping of Spitzer c2d small clouds and cores
2006
- Modeling the physical structure of the low-density pre-protostellar core Lynds 1498
2005
- Constraining the structure of the non-spherical pre-protostellar core L1544
2005
- IRAS 16293-2422: Proper motions, jet precession, the hot core, and the unambiguous detection of infall
2005
- Connecting dense gas tracers of star formation in our galaxy to high-z star formation
2005
- Dynamical and chemical properties of the starless core L1014
2005
- The circumstellar environment of the early B protostar G192.16-3.84 and the discovery of a low-mass, protostellar core
2004
- A starless core that isn't: Detection of a source in the L1014 dense core with the Spitzer Space Telescope
2004
- Tracing the mass during low-mass star formation. IV. Observations and modeling of the submillimeter continuum emission from Class I protostars
2003
- A CS J = 5 → 4 mapping survey toward high-mass star-forming cores associated with water masers
2003
- Chemistry and dynamics in pre-protostellar cores
2003
- The physical conditions for massive star formation: Dust continuum maps and modeling
2002
- Tracing the mass during low-mass star formation. III. Models of the submillimeter dust continuum emission from class 0 protostars
2002
- Tracing the mass during low-mass star formation. II. Modeling the submillimeter emission from preprotostellar cores
2001
- Tracing the mass during low-mass star formation. I. Submillimeter continuum observations
2000