Search Results - "Scolnic, Dan"

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    A 2.4% DETERMINATION OF THE LOCAL VALUE OF THE HUBBLE CONSTANT by Riess, Adam G, Macri, Lucas M, Hoffmann, Samantha L, Scolnic, Dan, Casertano, Stefano, Filippenko, Alexei V, Tucker, Brad E, Reid, Mark J, Jones, David O, Silverman, Jeffrey M, Chornock, Ryan, Challis, Peter, Yuan, Wenlong, Brown, Peter J, Foley, Ryan J

    Published in The Astrophysical journal (20-07-2016)
    “…ABSTRACT We use the Wide Field Camera 3 (WFC3) on the Hubble Space Telescope (HST) to reduce the uncertainty in the local value of the Hubble constant from…”
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    Journal Article
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    The Pantheon+ Analysis: SuperCal-fragilistic Cross Calibration, Retrained SALT2 Light-curve Model, and Calibration Systematic Uncertainty by Brout, Dillon, Taylor, Georgie, Scolnic, Dan, Wood, Charlotte M., Rose, Benjamin M., Vincenzi, Maria, Dwomoh, Arianna, Lidman, Christopher, Riess, Adam, Ali, Noor, Qu, Helen, Dai, Mi

    Published in The Astrophysical journal (01-10-2022)
    “…Abstract We present a recalibration of the photometric systems in the Pantheon+ sample of Type Ia supernovae (SNe Ia) including those in the SH0ES…”
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    JWST Observations Reject Unrecognized Crowding of Cepheid Photometry as an Explanation for the Hubble Tension at 8σ Confidence by Riess, Adam G., Anand, Gagandeep S., Yuan, Wenlong, Casertano, Stefano, Dolphin, Andrew, Macri, Lucas M., Breuval, Louise, Scolnic, Dan, Perrin, Marshall, Anderson, Richard I.

    Published in Astrophysical journal. Letters (01-02-2024)
    “…Abstract We present high-definition observations with the James Webb Space Telescope (JWST) of >1000 Cepheids in a geometric anchor of the distance ladder, NGC…”
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    Crowded No More: The Accuracy of the Hubble Constant Tested with High-resolution Observations of Cepheids by JWST by Riess, Adam G., Anand, Gagandeep S., Yuan, Wenlong, Casertano, Stefano, Dolphin, Andrew, Macri, Lucas M., Breuval, Louise, Scolnic, Dan, Perrin, Marshall, Anderson, Richard I.

    Published in Astrophysical journal. Letters (01-10-2023)
    “…Abstract High-resolution James Webb Space Telescope (JWST) observations can test confusion-limited Hubble Space Telescope (HST) observations for a photometric…”
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    Designing an Optimal LSST Deep Drilling Program for Cosmology with Type Ia Supernovae by Gris, Philippe, Regnault, Nicolas, Awan, Humna, Hook, Isobel, Jha, Saurabh W., Lochner, Michelle, Sanchez, Bruno, Scolnic, Dan, Sullivan, Mark, Yoachim, Peter

    “…Abstract The Vera C. Rubin Observatory’s Legacy Survey of Space and Time (LSST) is forecast to collect a large sample of Type Ia supernovae (SNe Ia) expected…”
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    Large Magellanic Cloud Cepheid Standards Provide a 1% Foundation for the Determination of the Hubble Constant and Stronger Evidence for Physics beyond ΛCDM by Riess, Adam G., Casertano, Stefano, Yuan, Wenlong, Macri, Lucas M., Scolnic, Dan

    Published in The Astrophysical journal (01-05-2019)
    “…We present an improved determination of the Hubble constant from Hubble Space Telescope (HST) observations of 70 long-period Cepheids in the Large Magellanic…”
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    The Local Perspective on the Hubble Tension: Local Structure Does Not Impact Measurement of the Hubble Constant by Kenworthy, W. D'Arcy, Scolnic, Dan, Riess, Adam

    Published in The Astrophysical journal (20-04-2019)
    “…We use the largest sample to date of spectroscopic supernova (SN) Ia distances and redshifts to look for evidence in the Hubble diagram of large-scale outflows…”
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    Assessment of Systematic Uncertainties in the Cosmological Analysis of the SDSS Supernovae Photometric Sample by Popovic, Brodie, Scolnic, Dan, Kessler, Richard

    Published in The Astrophysical journal (20-02-2020)
    “…Improvements to the precision of measurements of cosmological parameters with Type Ia supernovae (SNe Ia) are expected to come from large photometrically…”
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    Improved Treatment of Host-galaxy Correlations in Cosmological Analyses with Type Ia Supernovae by Popovic, Brodie, Brout, Dillon, Kessler, Richard, Scolnic, Dan, Lu, Lisa

    Published in The Astrophysical journal (01-05-2021)
    “…Abstract Improving the use of Type Ia supernovae (SNe Ia) as standard candles requires a better approach to incorporate the relationship between SNe Ia and the…”
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    Prospects for Resolving the Hubble Constant Tension with Standard Sirens by Feeney, Stephen M, Peiris, Hiranya V, Williamson, Andrew R, Nissanke, Samaya M, Mortlock, Daniel J, Alsing, Justin, Scolnic, Dan

    Published in Physical review letters (15-02-2019)
    “…The Hubble constant (H_{0}) estimated from the local Cepheid-supernova distance ladder is in 3-σ tension with the value extrapolated from cosmic microwave…”
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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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    Absolute Calibration of Cepheid Period–Luminosity Relations in NGC 4258 by Yuan, Wenlong, Macri, Lucas M., Riess, Adam G., Brink, Thomas G., Casertano, Stefano, Filippenko, Alexei V., Hoffmann, Samantha L., Huang, Caroline D., Scolnic, Dan

    Published in The Astrophysical journal (01-11-2022)
    “…Abstract Owing to its accurate distance measured from water-maser motions, NGC 4258 is one of the most important anchors for calibrating the Cepheid…”
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