PLCK G165.7+67.0: Analysis of a Massive Lensing Cluster in a Hubble Space Telescope Census of Submillimeter Giant Arcs Selected Using Planck/Herschel

Brenda L. Frye, Massimo Pascale, Yujing Qin, Adi Zitrin, José Diego, Greg Walth, Haojing Yan, Christopher J. Conselice, Mehmet Alpaslan, Adam Bauer, Lorenzo Busoni, Dan Coe, Seth H. Cohen, Hervé Dole, Megan Donahue, Iskren Georgiev, Rolf A. Jansen, Marceau Limousin, Rachael Livermore, Dara Norman & 2 others Sebastian Rabien, Rogier Windhorst

    Research output: Contribution to journalArticle

    2 Citations (Scopus)

    Abstract

    We present Hubble Space Telescope WFC3-IR imaging in the fields of six apparently bright dusty star-forming galaxies (DSFGs) at z = 2-4 identified by their rest-frame far-infrared colors using the Planck and Herschel space facilities. We detect near-infrared counterparts for all six submillimeter sources, allowing us to undertake strong-lensing analyses. One field in particular stands out for its prominent giant arcs, PLCK G165.7+67.0 (G165). After combining the color and morphological information, we identify 11 sets of image multiplicities in this one field. We construct a strong-lensing model constrained by this lensing evidence, which uncovers a bimodal spatial mass distribution, and from which we measure a mass of (2.6 ±0.11) ×10 14 M o within ∼250 kpc. The bright (S 350 ≈ 750 mJy) DSFG appears as two images: a giant arc with a spatial extent of that is merging with the critical curve, and a lower-magnification counterimage that is detected in our new longer-wavelength ground- and space-based imaging data. Using our ground-based spectroscopy, we calculate a dynamical mass of M o to the same fixed radius, although this value may be inflated relative to the true value if the velocity distribution is enhanced in the line-of-sight direction. We suggest that the bimodal mass taken in combination with the weak X-ray flux and low SZ decrement may be explained as a pre-merger for which the intracluster gas is diluted along the line of sight, while the integrated surface mass density is supercritical to strong-lensing effects.

    Original languageEnglish (US)
    Article number51
    JournalAstrophysical Journal
    Volume871
    Issue number1
    DOIs
    StatePublished - Jan 20 2019

    Fingerprint

    census
    Hubble Space Telescope
    arcs
    line of sight
    galaxies
    color
    stars
    magnification
    mass distribution
    velocity distribution
    merger
    near infrared
    radii
    spectroscopy
    analysis
    wavelength
    curves
    gases
    wavelengths
    x rays

    Keywords

    • galaxies: clusters: general
    • galaxies: fundamental parameters
    • galaxies: high-redshift
    • gravitational lensing: strong
    • submillimeter: galaxies

    ASJC Scopus subject areas

    • Astronomy and Astrophysics
    • Space and Planetary Science

    Cite this

    PLCK G165.7+67.0 : Analysis of a Massive Lensing Cluster in a Hubble Space Telescope Census of Submillimeter Giant Arcs Selected Using Planck/Herschel. / Frye, Brenda L.; Pascale, Massimo; Qin, Yujing; Zitrin, Adi; Diego, José; Walth, Greg; Yan, Haojing; Conselice, Christopher J.; Alpaslan, Mehmet; Bauer, Adam; Busoni, Lorenzo; Coe, Dan; Cohen, Seth H.; Dole, Hervé; Donahue, Megan; Georgiev, Iskren; Jansen, Rolf A.; Limousin, Marceau; Livermore, Rachael; Norman, Dara; Rabien, Sebastian; Windhorst, Rogier.

    In: Astrophysical Journal, Vol. 871, No. 1, 51, 20.01.2019.

    Research output: Contribution to journalArticle

    Frye, BL, Pascale, M, Qin, Y, Zitrin, A, Diego, J, Walth, G, Yan, H, Conselice, CJ, Alpaslan, M, Bauer, A, Busoni, L, Coe, D, Cohen, SH, Dole, H, Donahue, M, Georgiev, I, Jansen, RA, Limousin, M, Livermore, R, Norman, D, Rabien, S & Windhorst, R 2019, 'PLCK G165.7+67.0: Analysis of a Massive Lensing Cluster in a Hubble Space Telescope Census of Submillimeter Giant Arcs Selected Using Planck/Herschel' Astrophysical Journal, vol. 871, no. 1, 51. https://doi.org/10.3847/1538-4357/aaeff7
    Frye, Brenda L. ; Pascale, Massimo ; Qin, Yujing ; Zitrin, Adi ; Diego, José ; Walth, Greg ; Yan, Haojing ; Conselice, Christopher J. ; Alpaslan, Mehmet ; Bauer, Adam ; Busoni, Lorenzo ; Coe, Dan ; Cohen, Seth H. ; Dole, Hervé ; Donahue, Megan ; Georgiev, Iskren ; Jansen, Rolf A. ; Limousin, Marceau ; Livermore, Rachael ; Norman, Dara ; Rabien, Sebastian ; Windhorst, Rogier. / PLCK G165.7+67.0 : Analysis of a Massive Lensing Cluster in a Hubble Space Telescope Census of Submillimeter Giant Arcs Selected Using Planck/Herschel. In: Astrophysical Journal. 2019 ; Vol. 871, No. 1.
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    abstract = "We present Hubble Space Telescope WFC3-IR imaging in the fields of six apparently bright dusty star-forming galaxies (DSFGs) at z = 2-4 identified by their rest-frame far-infrared colors using the Planck and Herschel space facilities. We detect near-infrared counterparts for all six submillimeter sources, allowing us to undertake strong-lensing analyses. One field in particular stands out for its prominent giant arcs, PLCK G165.7+67.0 (G165). After combining the color and morphological information, we identify 11 sets of image multiplicities in this one field. We construct a strong-lensing model constrained by this lensing evidence, which uncovers a bimodal spatial mass distribution, and from which we measure a mass of (2.6 ±0.11) ×10 14 M o within ∼250 kpc. The bright (S 350 ≈ 750 mJy) DSFG appears as two images: a giant arc with a spatial extent of that is merging with the critical curve, and a lower-magnification counterimage that is detected in our new longer-wavelength ground- and space-based imaging data. Using our ground-based spectroscopy, we calculate a dynamical mass of M o to the same fixed radius, although this value may be inflated relative to the true value if the velocity distribution is enhanced in the line-of-sight direction. We suggest that the bimodal mass taken in combination with the weak X-ray flux and low SZ decrement may be explained as a pre-merger for which the intracluster gas is diluted along the line of sight, while the integrated surface mass density is supercritical to strong-lensing effects.",
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    T2 - Analysis of a Massive Lensing Cluster in a Hubble Space Telescope Census of Submillimeter Giant Arcs Selected Using Planck/Herschel

    AU - Frye, Brenda L.

    AU - Pascale, Massimo

    AU - Qin, Yujing

    AU - Zitrin, Adi

    AU - Diego, José

    AU - Walth, Greg

    AU - Yan, Haojing

    AU - Conselice, Christopher J.

    AU - Alpaslan, Mehmet

    AU - Bauer, Adam

    AU - Busoni, Lorenzo

    AU - Coe, Dan

    AU - Cohen, Seth H.

    AU - Dole, Hervé

    AU - Donahue, Megan

    AU - Georgiev, Iskren

    AU - Jansen, Rolf A.

    AU - Limousin, Marceau

    AU - Livermore, Rachael

    AU - Norman, Dara

    AU - Rabien, Sebastian

    AU - Windhorst, Rogier

    PY - 2019/1/20

    Y1 - 2019/1/20

    N2 - We present Hubble Space Telescope WFC3-IR imaging in the fields of six apparently bright dusty star-forming galaxies (DSFGs) at z = 2-4 identified by their rest-frame far-infrared colors using the Planck and Herschel space facilities. We detect near-infrared counterparts for all six submillimeter sources, allowing us to undertake strong-lensing analyses. One field in particular stands out for its prominent giant arcs, PLCK G165.7+67.0 (G165). After combining the color and morphological information, we identify 11 sets of image multiplicities in this one field. We construct a strong-lensing model constrained by this lensing evidence, which uncovers a bimodal spatial mass distribution, and from which we measure a mass of (2.6 ±0.11) ×10 14 M o within ∼250 kpc. The bright (S 350 ≈ 750 mJy) DSFG appears as two images: a giant arc with a spatial extent of that is merging with the critical curve, and a lower-magnification counterimage that is detected in our new longer-wavelength ground- and space-based imaging data. Using our ground-based spectroscopy, we calculate a dynamical mass of M o to the same fixed radius, although this value may be inflated relative to the true value if the velocity distribution is enhanced in the line-of-sight direction. We suggest that the bimodal mass taken in combination with the weak X-ray flux and low SZ decrement may be explained as a pre-merger for which the intracluster gas is diluted along the line of sight, while the integrated surface mass density is supercritical to strong-lensing effects.

    AB - We present Hubble Space Telescope WFC3-IR imaging in the fields of six apparently bright dusty star-forming galaxies (DSFGs) at z = 2-4 identified by their rest-frame far-infrared colors using the Planck and Herschel space facilities. We detect near-infrared counterparts for all six submillimeter sources, allowing us to undertake strong-lensing analyses. One field in particular stands out for its prominent giant arcs, PLCK G165.7+67.0 (G165). After combining the color and morphological information, we identify 11 sets of image multiplicities in this one field. We construct a strong-lensing model constrained by this lensing evidence, which uncovers a bimodal spatial mass distribution, and from which we measure a mass of (2.6 ±0.11) ×10 14 M o within ∼250 kpc. The bright (S 350 ≈ 750 mJy) DSFG appears as two images: a giant arc with a spatial extent of that is merging with the critical curve, and a lower-magnification counterimage that is detected in our new longer-wavelength ground- and space-based imaging data. Using our ground-based spectroscopy, we calculate a dynamical mass of M o to the same fixed radius, although this value may be inflated relative to the true value if the velocity distribution is enhanced in the line-of-sight direction. We suggest that the bimodal mass taken in combination with the weak X-ray flux and low SZ decrement may be explained as a pre-merger for which the intracluster gas is diluted along the line of sight, while the integrated surface mass density is supercritical to strong-lensing effects.

    KW - galaxies: clusters: general

    KW - galaxies: fundamental parameters

    KW - galaxies: high-redshift

    KW - gravitational lensing: strong

    KW - submillimeter: galaxies

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