activity
20122026
most citedThe Panchromatic Hubble Andromeda Treasury

374 citations · 426 across the 26 of their papers we have counts for

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22 papers · 1 filter

astro-ph.GA2026

JWST Whirlpool Galaxy Treasury: Mid-Infrared Emission in M51 and its Relation to Gas Column and Star Formation

Mansi Padave, Karin M. Sandstrom, Daniel A. Dale +25

Using JWST/MIRI imaging of M51 in eight broadband filters, we investigate correlations of mid-infrared emission from polycyclic aromatic hydrocarbons (PAHs) and dust continuum with…

astro-ph.GA2026

The HII Regions' Molecular Law of Star Formation

Daniela Calzetti, Drew Lapeer, Robert C. Kennicutt +28

We combine imaging data from the HST, JWST, and ground-based millimeter facilities to investigate the correlation between star formation rate (SFR) and molecular gas at the ~100 pc…

astro-ph.GA2026

JWST NIRCam and MIRI Reveal the Dust-Producing AGB Population of NGC 6822

Conor Nally, Olivia C. Jones, Laura Lenkić +9

We present a photometric catalogue of the Local Group dwarf galaxy NGC 6822 based on deep JWST observations obtained with the Near-Infrared Camera (NIRCam) and Mid-Infrared Instrum…

astro-ph.GA2026★ 1 cited

JWST Observations of Starbursts: Dust Processing in the M82 Superwind

Serena A. Cronin, Alberto D. Bolatto, Helena M. Richie +39

We present JWST MIRI and NIRCam imaging of the inner ~5 kpc of the M82 superwind at 0.05-0.375'' (~0.9-6.5 pc) resolution. Targeted filters probe emission from polycyclic aromatic…

astro-ph.GA2025★ 5 cited

JWST Observations of Starbursts: PAHs Closely Trace the Cool Phase of M82's Galactic Wind

Sebastian Lopez, Colton Ring, Adam K. Leroy +30

Stellar feedback drives multiphase gas outflows from starburst galaxies, but the interpretation of dust emission in these winds remains uncertain. To investigate this, we analyze n…

astro-ph.GA2025

The Metallicity Dependence of PAH Emission in Galaxies II: Insights from JWST/NIRCam Imaging of the Smallest Dust Grains in M101

Cory M. Whitcomb, J. -D. T. Smith, Elizabeth Tarantino +11

We explore the physical origins of the observed deficit of polycyclic aromatic hydrocarbons (PAHs) at sub-solar metallicity using JWST/NIRCam imaging of the nearby galaxy M101, cov…

astro-ph.GA2025

Quantification of The Age Dependence of Mid-Infrared Star Formation Rate Indicators

Daniela Calzetti, Robert C. Kennicutt, Angela Adamo +33

We combine James Webb Space Telescope images of the nearby galaxy NGC 5194 in the hydrogen recombination line Pa-alpha (lambda=1.8756 micron) from the Cycle 1 program JWST-FEAST wi…

astro-ph.GA2025★ 7 cited

Detection of Deuterated Hydrocarbon Nanoparticles in the Whirlpool Galaxy, M51

B. T. Draine, Karin Sandstrom, Daniel A. Dale +29

Deuteration of hydrocarbon material, including polycyclic aromatic hydrocarbons (PAHs), has been proposed to account for the low gas-phase abundances of D in the interstellar mediu…

astro-ph.GA2025

An Investigation of Disk Thickness in M51 from H-alpha, Pa-alpha, and Mid-Infrared Power Spectra

Bruce G. Elmegreen, Daniela Calzetti, Angela Adamo +27

Power spectra (PS) of high-resolution images of M51 (NGC 5194) taken with the Hubble Space Telescope and the James Webb Space Telescope have been examined for evidence of disk thic…

astro-ph.GA2025

The JWST Resolved Stellar Populations Early Release Science Program. VIII. The Spatially Resolved Star Formation History of WLM

Roger E. Cohen, Kristen B. W. McQuinn, Alessandro Savino +17

We measure radial stellar age gradients in the relatively isolated gas-rich dwarf irregular WLM, combining JWST NIRCam and NIRISS imaging with six archival Hubble fields over semi-…

astro-ph.GA2024

Scylla II. The Spatially Resolved Star Formation History of the Large Magellanic Cloud Reveals an Inverted Radial Age Gradient

Roger E. Cohen, Kristen B. W. McQuinn, Claire E. Murray +11

The proximity of the Magellanic Clouds provides the opportunity to study interacting dwarf galaxies near a massive host, and spatial trends in their stellar population properties i…

astro-ph.GA2024

Scylla I: A pure-parallel, multi-wavelength imaging survey of the ULLYSES fields in the LMC and SMC

Claire E. Murray, Christina W. Lindberg, Petia Yanchulova Merica-Jones +17

Scylla is a deep Hubble Space Telescope survey of the stellar populations, interstellar medium and star formation in the LMC and SMC. As a pure-parallel complement to the Ultraviol…

astro-ph.GA2024★ 1 cited

The Ancient Star Formation History of the Extremely Low-Mass Galaxy Leo P: An Emerging Trend of a Post-Reionization Pause in Star Formation

Kristen B. W. McQuinn, Max J. B. Newman, Evan D. Skillman +12

Isolated, low-mass galaxies provide the opportunity to assess the impact of reionization on their star formation histories (SFHs) without the ambiguity of environmental processes a…

astro-ph.GA2024★ 15 cited

JWST MIRI and NIRCam observations of NGC 891 and its circumgalactic medium

Jérémy Chastenet, Ilse De Looze, Monica Relaño +37

We present new JWST observations of the nearby, prototypical edge-on, spiral galaxy NGC 891. The northern half of the disk was observed with NIRCam in its F150W and F277W filters.…

astro-ph.GA2024

JWST Observations of Starbursts: Massive Star Clusters in the Central Starburst of M82

Rebecca C. Levy, Alberto D. Bolatto, Divakara Mayya +25

We present a near infrared (NIR) candidate star cluster catalog for the central kiloparsec of M82 based on new JWST NIRCam images. We identify star cluster candidates using the F25…

astro-ph.GA2024

Imaging of I Zw 18 by JWST: II. Spatially resolved star formation history

Giacomo Bortolini, Göran Östlin, Nolan Habel +14

The blue compact dwarf galaxy I Zw 18 is one of the most metal-poor () star-forming galaxies in the local Universe. Its evolutionary status has sparked debate w…

astro-ph.GA2024

The JWST Resolved Stellar Populations Early Release Science Program VII. Stress Testing the NIRCam Exposure Time Calculator

A. Savino, M. Gennaro, A. E. Dolphin +19

We empirically assess estimates from v3.0 of the JWST NIRCam Exposure Time Calculator (ETC) using observations of resolved stars in Local Group targets taken as part of the Resolve…

astro-ph.GA2024★ 1 cited

JWST Observations of Starbursts: Cold Clouds and Plumes Launching in the M82 Outflow

Deanne B. Fisher, Alberto D. Bolatto, John Chisholm +28

In this paper we study the filamentary substructure of 3.3 m PAH emission from JWST/NIRCam observations in the base of the M82 star-burst driven wind. We identify plume-like sub…

astro-ph.GA2024

Imaging of I Zw 18 by JWST. I. Strategy and First Results of Dusty Stellar Populations

Alec S. Hirschauer, Nicolas Crouzet, Nolan Habel +16

We present a JWST imaging survey of I Zw 18, the archetypal extremely metal-poor, star-forming (SF), blue compact dwarf galaxy. With an oxygen abundance of only 3% $Z_{\odot}…

astro-ph.GA2024★ 18 cited

An Empirical Calibration of the Tip of the Red Giant Branch Distance Method in the Near Infrared. I. HST WFC3/IR F110W and F160W Filters

Max J. B. Newman, Kristen B. W. McQuinn, Evan D. Skillman +4

The Tip of the Red Giant Branch (TRGB)-based distance method in the I band is one of the most efficient and precise techniques for measuring distances to nearby galaxies (D <= 15 M…

astro-ph.GA2024

The JWST Resolved Stellar Populations Early Release Science Program V. DOLPHOT Stellar Photometry for NIRCam and NIRISS

Daniel R. Weisz, Andrew E. Dolphin, Alessandro Savino +38

We present NIRCam and NIRISS modules for DOLPHOT, a widely-used crowded field stellar photometry package. We describe details of the modules including pixel masking, astrometric al…

astro-ph.GA2024

JWST Observations of Starbursts: Polycyclic Aromatic Hydrocarbon Emission at the Base of the M 82 Galactic Wind

Alberto D. Bolatto, Rebecca C. Levy, Elizabeth Tarantino +37

We present new observations of the central 1 kpc of the M 82 starburst obtained with the James Webb Space Telescope (JWST) near-infrared camera (NIRCam) instrument at a resolution…