Search Results - "Bowers, J. Bradley"

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    Constraining churning and blurring in the Milky Way using large spectroscopic surveys – an exploratory study by Feltzing, Sofia, Bowers, J Bradley, Agertz, Oscar

    “…ABSTRACT We have investigated the possibilities to quantify how much stars move in the Milky Way disc due to diffuse processes (blurring) and due to influences…”
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    Journal Article
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    New Parallaxes of Galactic Cepheids from Spatially Scanning the Hubble Space Telescope: Implications for the Hubble Constant by Riess, Adam G., Casertano, Stefano, Yuan, Wenlong, Macri, Lucas, Anderson, Jay, MacKenty, John W., Bowers, J. Bradley, Clubb, Kelsey I., Filippenko, Alexei V., Jones, David O., Tucker, Brad E.

    Published in The Astrophysical journal (10-03-2018)
    “…We present new measurements of the parallax of seven long-period (≥10 days) Milky Way (MW) Cepheid variables (SS CMa, XY Car, VY Car, VX Per, WZ Sgr, X Pup,…”
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    Journal Article
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    Cluster Cepheids with High Precision Gaia Parallaxes, Low Zero-point Uncertainties, and Hubble Space Telescope Photometry by Riess, Adam G., Breuval, Louise, Yuan, Wenlong, Casertano, Stefano, Macri, Lucas M., Bowers, J. Bradley, Scolnic, Dan, Cantat-Gaudin, Tristan, Anderson, Richard I., Reyes, Mauricio Cruz

    Published in The Astrophysical journal (01-10-2022)
    “…Abstract We present Hubble Space Telescope (HST) photometry of 17 Cepheids in open clusters and their cluster mean parallaxes from Gaia EDR3. These parallaxes…”
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    Journal Article
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    Constraining churning and blurring in the Milky Way using large spectroscopic surveys -- an exploratory study by Feltzing, Sofia, Bowers, J. Bradley, Agertz, Oscar

    Published 18-07-2019
    “…We have investigated the possibilities to quantify how much stars move in the Milky Way stellar disk due to diffuse processes (i.e. so called blurring) and due…”
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    Journal Article
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    Cosmic Distances Calibrated to 1% Precision with Gaia EDR3 Parallaxes and Hubble Space Telescope Photometry of 75 Milky Way Cepheids Confirm Tension with LambdaCDM by Riess, Adam G, Casertano, Stefano, Yuan, Wenlong, Bowers, J. Bradley, Macri, Lucas, Zinn, Joel C, Scolnic, Dan

    Published 02-01-2021
    “…We present an expanded sample of 75 Milky Way Cepheids with Hubble Space Telescope (HST) photometry and Gaia EDR3 parallaxes which we use to recalibrate the…”
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    Journal Article
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    Milky Way Cepheid Standards for Measuring Cosmic Distances and Application to Gaia DR2: Implications for the Hubble Constant by Riess, Adam G, Casertano, Stefano, Yuan, Wenlong, Macri, Lucas, Bucciarelli, Beatrice, Lattanzi, Mario G, MacKenty, John W, Bowers, J. Bradley, Zheng, Weikang, Filippenko, Alexei V, Huang, Caroline, Anderson, Richard I

    Published 25-05-2018
    “…We present HST photometry of a selected sample of 50 long-period, low-extinction Milky Way Cepheids measured on the same WFC3 F555W, F814W, and F160W-band…”
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    Journal Article
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    New Parallaxes of Galactic Cepheids from Spatially Scanning the Hubble Space Telescope: Implications for the Hubble Constant by Riess, Adam G, Casertano, Stefano, Yuan, Wenlong, Macri, Lucas, Anderson, Jay, Mackenty, John W, Bowers, J. Bradley, Clubb, Kelsey I, Filippenko, Alexei V, Jones, David O, Tucker, Brad E

    Published 09-02-2018
    “…We present new parallax measurements of 7 long-period (> 10 days) Milky Way Cepheids (SS CMa, XY Car, VY Car, VX Per, WZ Sgr, X Pup and S Vul) using astrometry…”
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    Journal Article
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