Publications (33)
Sequence-of-Constraints MPC: Reactive Timing-Optimal Control of Sequential Manipulation
Marc Toussaint, Jason Harris, Jung-Su Ha +2
Task and Motion Planning has made great progress in solving hard sequential manipulation problems. However, a gap between such planning formulations and control methods for reactiv…
Quantifying the Drivers of Star Formation on Galactic Scales. I. The Small Magellanic Cloud
Dennis Zaritsky, Jason Harris
We use the star formation history of the Small Magellanic Cloud (SMC) to place quantitative limits on the effect of tidal interactions and gas infall on the star formation and chem…
On the Distribution of Dust in the Large Magellanic Cloud
Jason Harris, Dennis Zaritsky, Ian Thompson
We present a detailed map of the reddening in a 1.9 x 1.5 degree section of the Large Magellanic Cloud, constructed from UBVI photometry of 2069 O and B main sequence stars. We use…
The Stellar Ancestry of Supernovae in the Magellanic Clouds - I. the Most Recent Supernovae in the Large Magellanic Cloud
Carles Badenes, Jason Harris, Dennis Zaritsky +1
We use the star formation history map of the Large Magellanic Cloud to study the sites of the eight smallest (and presumably youngest) supernova remnants in the Cloud: SN 1987A, N1…
On the Spatial Distribution of Stellar Populations in the Large Magellanic Cloud
Jason Harris, Dennis Zaritsky
We measure the angular correlation function of stars in a region of the Large Magellanic Cloud (LMC) that spans 2 degrees by 1.5 degrees. We find that the correlation functions of…
Star Formation in the Local Universe
Daniela Calzetti, Jason Harris
We present preliminary results of a long-term study aimed at answering a number of open questions on the evolution of starbursts in local galaxies. The project employes mainly HST…
Stellar Clusters in NGC 1313: Evidence for Infant Mortality
Anne Pellerin, Martin Meyer, Jason Harris +1
We present evidence that infant mortality of stellar clusters is likely to be a major and very efficient process for the dissolution of young clusters in the spiral galaxy NGC 1313…
Surveying the Agents of Galaxy Evolution in the Tidally-Stripped, Low Metallicity Small Magellanic Cloud (SAGE-SMC). I. Overview
Karl D. Gordon, Margaret Meixner, Marilyn Meade +57
The Small Magellanic Cloud (SMC) provides a unique laboratory for the study of the lifecycle of dust given its low metallicity (~1/5 solar) and relative proximity (~60 kpc). This m…
The Formation of Constellation III in the Large Magellanic Cloud
Jason Harris, Dennis Zaritsky
We present a detailed reconstruction of the star-formation history of the Constellation III region in the Large Magellanic Cloud, to constrain the formation mechanism of this enigm…
Constraints on Intervening Stellar Populations Toward the Large Magellanic Cloud
Dennis Zaritsky, Stephen A. Shectman, Ian Thompson +2
The suggestion by Zaritsky & Lin that a vertical extension of the red clump feature in color-magnitude diagrams of the Large Magellanic Cloud (LMC) is consistent with a significant…
The Star Formation History of the Large Magellanic Cloud
Jason Harris, Dennis Zaritsky
We present the first-ever global, spatially-resolved reconstruction of the star formation history (SFH) of the Large Magellanic Cloud (LMC), based on the application of our StarFIS…
The Magellanic Bridge: The Nearest Purely Tidal Stellar Population
Jason Harris
We report on observations of the stellar populations in twelve fields spanning the region between the Magellanic Clouds, made with the Mosaic-II camera on the 4-meter telescope at…
Ultraviolet and Optical Observations of OB Associations and Field Stars in the Southwest Region of the Large Magellanic Cloud
Joel Wm. Parker, Dennis Zaritsky, Theodore P. Stecher +2
Using photometry from the Ultraviolet Imaging Telescope (UIT) and photometry and spectroscopy from three ground-based optical datasets we have analyzed the stellar content of OB as…
Catching Dissolving Clusters: a New Approach
Anne Pellerin, Martin Meyer, Jason Harris +1
Traditional studies of stellar clusters in external galaxies use surface photometry and therefore focus on systems that are still bright and compact enough to be separated from the…
First Results from the NOAO Survey of the Outer Limits of the Magellanic Clouds
Abhijit Saha, Edward W. Olszewski, Brian Brondel +11
[abridged] We describe the first results from the NOAO Outer Limits Survey. The survey consists of deep images of 55 0.6x0.6 degree fields at distances up to 20 degrees from the LM…
Spectroscopic Survey of Red Giants in the SMC. I: Kinematics
Jason Harris, Dennis Zaritsky
We present a spectroscopic survey of 2046 red giant stars, distributed over the central 4x2 kpc of the Small Magellanic Cloud (SMC). After fitting and removing a small velocity gra…
A Digital Photometric Survey of the Magellanic Clouds: First Results From One Million Stars
Dennis Zaritsky, Jason Harris, Ian Thompson
We present the first results from, and a complete description of, our ongoing UBVI digital photometric survey of the Magellanic Clouds. In particular, we discuss the photometric qu…
The ACS Nearby Galaxy Survey Treasury
Julianne J. Dalcanton, Benjamin F. Williams, Anil C. Seth +24
The ACS Nearby Galaxy Survey Treasury (ANGST) is a systematic survey to establish a legacy of uniform multi-color photometry of resolved stars for a volume-limited sample of nearby…
The evolution of star clusters: The resolved-star approach
Anne Pellerin, Martin J. Meyer, Jason Harris +1
We present the first results of a new technique to detect, locate, and characterize young dissolving star clusters. Using HST/ACS archival images of the nearby galaxy IC2574, we pe…
The Magellanic Clouds Photometric Survey: The Small Magellanic Cloud Stellar Catalog and Extinction Map
Dennis Zaritsky, Jason Harris, Ian B. Thompson +2
We present our catalog of U, B, V, and I stellar photometry of the central 18 sq. degree area of the Small Magellanic Cloud. We combine our data with the 2MASS and DENIS catalogs t…
The Mass-Loss Return From Evolved Stars to the LMC: Empirical Relations for Excess Emission at 8 and 24 μm
Sundar Srinivasan, Margaret Meixner, Claus Leitherer +18
We present empirical relations describing excess emission from evolved stars in the Large Magellanic Cloud (LMC) using data from the SAGE (Surveying the Agents of a Galaxy's Evolut…
A Method for Determining the Star Formation History of a Mixed Stellar Population
Jason Harris, Dennis Zaritsky
We present a method to determine the star formation history of a mixed stellar population from its photometry. We perform a chi-squared minimization between the observed photometri…
Spitzer Survey of the Large Magellanic Cloud, Surveying the Agents of a Galaxy's Evolution (SAGE) I: Overview and Initial Results
Margaret Meixner, Karl D. Gordon, Remy Indebetouw +46
We are performing a uniform and unbiased, ~7x7 degrees imaging survey of the Large Magellanic Cloud (LMC), using the IRAC and MIPS instruments on board the Spitzer Space Telescope…
Star Formation History and Chemical Evolution of the Sextans Dwarf Spheroidal Galaxy
Myung Gyoon Lee, In-Soo Yuk, Hong Soo Park +2
We present the star formation history and chemical evolution of the Sextans dSph dwarf galaxy as a function of galactocentric distance. We derive these from the photometry of…
The Morphologies of the Small Magellanic Cloud
Dennis Zaritsky, Jason Harris, Eva K. Grebel +1
We compare the distribution of stars of different spectral types, and hence mean age, within the central SMC and find that the asymmetric structures are almost exclusively composed…
The Ionized Gas in Local Starburst Galaxies: Global and Small--Scale Feedback from Star Formation
Daniela Calzetti, Jason Harris, John S. Gallagher +4
Abridged: The small-- and intermediate--scale structure and the fraction of the ISM ionized by non--radiative processes is investigated in a small sample of four local starburst ga…
The Magellanic Clouds Photometric Survey: The Large Magellanic Cloud Stellar Catalog and Extinction Map
Dennis Zaritsky, Jason Harris, Ian B. Thompson +1
We present our catalog of U, B, V, and I stellar photometry of the central 64 sq. deg. area of the Large Magellanic Cloud. Internal and external astrometric and photometric tests u…
FC: Feasibility-Based Control Chain Coordination
Jason Harris, Danny Driess, Marc Toussaint
Hierarchical coordination of controllers often uses symbolic state representations that fully abstract their underlying low-level controllers, treating them as "black boxes" to the…
Variations in Star Formation History and the Red Giant Branch Tip
Michael K. Barker, Ata Sarajedini, Jason Harris
We examine the reliability of the tip of the red giant branch (TRGB) as a distance indicator for stellar populations with different star formation histories (SFHs) when photometric…
The Nature of the Density Clump in the Fornax Dwarf Spheroidal Galaxy
Edward W. Olszewski, Mario Mateo, Jason Harris +3
We have imaged the recently discovered stellar overdensity located approximately one core radius from the center of the Fornax dwarf spheroidal galaxy using the Magellan Clay 6.5m…
RBO Hand 3 -- A Platform for Soft Dexterous Manipulation
Steffen Puhlmann, Jason Harris, Oliver Brock
We present the RBO Hand 3, a highly capable and versatile anthropomorphic soft hand based on pneumatic actuation. The RBO Hand 3 is designed to enable dexterous manipulation, to fa…
Star Formation Around the Youngest Supernova Remnants in the Large Magellanic Cloud: Implications for Type Ia Supernova Progenitors
Carles Badenes, Jason Harris, Dennis Zaritsky +1
We use the star formation history map of the Large Magellanic Cloud recently published by Harris & Zaritsky to study the sites of the youngest Type Ia supernova remnants. We find t…
The ACS Nearby Galaxy Survey Treasury I. The Star Formation History of the M81 Outer Disk
Benjamin F. Williams, Julianne J. Dalcanton, Anil C. Seth +16
The ACS Nearby Galaxy Survey Treasury (ANGST) is a large Hubble Space Telescope (HST) Advanced Camera for Surveys (ACS) treasury program to obtain resolved stellar photometry for a…