Search Results - Debosmita Pathak

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  1. 1
    Timescales of Polycyclic Aromatic Hydrocarbon and Dust Continuum Emission from Gas Clouds Compared to Molecular Gas Cloud Lifetimes in PHANGS-JWST Galaxies

    Timescales of Polycyclic Aromatic Hydrocarbon and Dust Continuum Emission from Gas Clouds Compared to Molecular Gas Cloud Lifetimes in PHANGS-JWST Galaxies by Jaeyeon Kim, Mélanie Chevance, Lise Ramambason, Kathryn Kreckel, Ralf S. Klessen, Daniel A. Dale, Adam K. Leroy, Karin Sandstrom, Ryan Chown, Thomas G. Williams, Sumit K. Sarbadhicary, Francesco Belfiore, Frank Bigiel, Enrico Congiu, Oleg V. Egorov, Eric Emsellem, Simon C. O. Glover, Kathryn Grasha, Annie Hughes, J. M. Diederik Kruijssen, Janice C. Lee, Debosmita Pathak, Ismael Pessa, Erik Rosolowsky, Jiayi Sun, Jessica Sutter, David A. Thilker

    Published 2025-01-01

    Recent JWST mid-infrared (mid-IR) images, tracing polycyclic aromatic hydrocarbons (PAHs) and dust continuum emission, provide detailed views of the interstellar medium (ISM) in nearby galaxies. Leveraging PHANGS-JWST Cycle 1 and PHANGS-MUSE data, we measure the PAH and dust continuum emission lifet...

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  2. 2
    Relationships between Polycyclic Aromatic Hydrocarbons, Small Dust Grains, H2, and H i in Local Group Dwarf Galaxies NGC 6822 and WLM Using JWST, ALMA, and the VLA

    Relationships between Polycyclic Aromatic Hydrocarbons, Small Dust Grains, H2, and H i in Local Group Dwarf Galaxies NGC 6822 and WLM Using JWST, ALMA, and the VLA by Ryan Chown, Adam K. Leroy, Alberto D. Bolatto, Jérémy Chastenet, Simon C. O. Glover, Rémy Indebetouw, Eric W. Koch, Jennifer Donovan Meyer, Nickolas M. Pingel, Erik Rosolowsky, Karin Sandstrom, Jessica Sutter, Elizabeth Tarantino, Frank Bigiel, Médéric Boquien, I-Da Chiang, Daniel A. Dale, Julianne J. Dalcanton, Oleg V. Egorov, Cosima Eibensteiner, Kathryn Grasha, Hamid Hassani, Hao He, Jaeyeon Kim, Sharon Meidt, Debosmita Pathak, Sumit K. Sarbadhicary, Snezana Stanimirovic, Vicente Villanueva, Thomas G. Williams

    Published 2025-01-01

    We present 0.6–3.2 pc resolution mid-infrared (MIR) JWST images at 7.7 μ m (F770W) and 21 μ m (F2100W) covering the main star-forming regions of two of the closest star-forming low-metallicity dwarf galaxies, NGC 6822 and Wolf–Lundmark–Melotte (WLM). The images of NGC 6822 reveal filaments, edge-bri...

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