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GOALS-JWST: Reveali...
GOALS-JWST: Revealing the Buried Star Clusters in the Luminous Infrared Galaxy VV 114
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- Linden, S. T. (author)
- University of Massachusetts
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- Evans, Aaron S. (author)
- National Radio Astronomy Observatory,University of Virginia
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- Armus, Lee (author)
- California Institute of Technology (Caltech)
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- Rich, Jeffrey A. (author)
- Carnegie Observatories
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- Larson, K. (author)
- Space Telescope Science Institute (STScI)
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- Lai, Thomas (author)
- California Institute of Technology (Caltech)
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- Privon, G. (author)
- University of Florida,National Radio Astronomy Observatory
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- Vivian, U. (author)
- University of California at Irvine (UCI)
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- Inami, H. (author)
- Hiroshima University
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- Bohn, Thomas (author)
- Hiroshima University
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- Song, Y. (author)
- University of Virginia,National Radio Astronomy Observatory
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- Barcos-Munoz, Loreto (author)
- University of Virginia,National Radio Astronomy Observatory
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- Charmandaris, V. (author)
- Idryma Technologias kai Erevnas (FORTH),Foundation for Research and Technology Hellas (FORTH),Panepistimio Kritis,University of Crete,European University Cyprus
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- Medling, Anne M. (author)
- University of Toledo
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- Stierwalt, S. (author)
- Occidental College
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- Diaz-Santos, T. (author)
- European University Cyprus,Idryma Technologias kai Erevnas (FORTH),Foundation for Research and Technology Hellas (FORTH)
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- Boker, T. (author)
- European Space Agency (ESA)
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- van der Werf, Paul P. (author)
- Universiteit Leiden (UL),Leiden University (UL)
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- Aalto, Susanne, 1964 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Appleton, P. (author)
- California Institute of Technology (Caltech)
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- Brown, Michael J.I. (author)
- Monash University
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- Hayward, Christopher C. (author)
- Flatiron Institute
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- Howell, Justin (author)
- California Institute of Technology (Caltech)
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- Iwasawa, K. (author)
- Universitat de Barcelona,University of Barcelona,Institucio Catalana de Recerca i Estudis Avancats (ICREA),Catalan Institution for Research and Advanced Studies (ICREA)
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- Kemper, F. (author)
- Institut d'Estudis Espacials de Catalunya (IEEC),Institute of Space Studies of Catalonia (IEEC),Institucio Catalana de Recerca i Estudis Avancats (ICREA),Catalan Institution for Research and Advanced Studies (ICREA),Institut de Ciències de l'Espai (ICE) - CSIC,Institute of Space Sciences (ICE) - CSIC
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- Frayer, D. (author)
- Green Bank Observatory
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- Law, David R. (author)
- Space Telescope Science Institute (STScI)
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- Malkan, M. A. (author)
- University of California at Los Angeles (UCLA)
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Marshall, Jason (author)
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- Mazzarella, J. (author)
- California Institute of Technology (Caltech)
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- Murphy, Eric J. (author)
- National Radio Astronomy Observatory
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- Sanders, David (author)
- University of Hawaii
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- Surace, J. A. (author)
- California Institute of Technology (Caltech)
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(creator_code:org_t)
- 2023-02-22
- 2023
- English.
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In: Astrophysical Journal Letters. - : American Astronomical Society. - 2041-8213 .- 2041-8205. ; 944:2
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https://research.cha... (primary) (free)
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https://doi.org/10.3...
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Abstract
Subject headings
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- We present the results of a James Webb Space Telescope NIRCam investigation into the young massive star cluster (YMC) population in the luminous infrared galaxy VV 114. We identify 374 compact YMC candidates with signal-to-noise ratios ≥ 3, 5, and 5 at F150W, F200W, and F356W, respectively. A direct comparison with our HST cluster catalog reveals that ∼20% of these sources are undetected at optical wavelengths. Based on yggdrasil stellar population models, we identify 17 YMC candidates in our JWST imaging alone with F150W - F200W and F200W - F356W colors suggesting they are all very young, dusty (A V = 5-15), and massive (105.8 < M ⊙ < 106.1). The discovery of these “hidden” sources, many of which are found in the “overlap” region between the two nuclei, quadruples the number of t < 3 Myr clusters and nearly doubles the number of t < 6 Myr clusters detected in VV 114. Now extending the cluster age distribution ( dN / d τ ∝ τ γ ) to the youngest ages, we find a slope of γ = −1.30 ± 0.39 for 106 < τ(yr) < 107, which is consistent with the previously determined value from 107 < τ(yr) < 108.5, and confirms that VV 114 has a steep age distribution slope for all massive star clusters across the entire range of cluster ages observed. Finally, the consistency between our JWST- and HST-derived age distribution slopes indicates that the balance between cluster formation and destruction has not been significantly altered in VV 114 over the last 0.5 Gyr.
Subject headings
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Geologi (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Geology (hsv//eng)
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Multidisciplinär geovetenskap (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Geosciences, Multidisciplinary (hsv//eng)
Publication and Content Type
- art (subject category)
- ref (subject category)
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To the university's database
- By the author/editor
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Linden, S. T.
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Evans, Aaron S.
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Armus, Lee
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Rich, Jeffrey A.
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Larson, K.
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Lai, Thomas
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show more...
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Privon, G.
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Vivian, U.
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Inami, H.
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Bohn, Thomas
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Song, Y.
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Barcos-Munoz, Lo ...
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Charmandaris, V.
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Medling, Anne M.
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Stierwalt, S.
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Diaz-Santos, T.
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Boker, T.
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van der Werf, Pa ...
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Aalto, Susanne, ...
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Appleton, P.
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Brown, Michael J ...
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Hayward, Christo ...
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Howell, Justin
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Iwasawa, K.
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Kemper, F.
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Frayer, D.
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Law, David R.
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Malkan, M. A.
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Marshall, Jason
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Mazzarella, J.
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Murphy, Eric J.
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Sanders, David
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Surace, J. A.
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show less...
- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Astronomy Astrop ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Earth and Relate ...
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and Geology
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Earth and Relate ...
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and Geosciences Mult ...
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Astrophysical Jo ...
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Chalmers University of Technology