Search Results - "Macri, Lucas M"

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    Consistent Calibration of the Tip of the Red Giant Branch in the Large Magellanic Cloud on the Hubble Space Telescope Photometric System and a Redetermination of the Hubble Constant by Yuan, Wenlong, Riess, Adam G., Macri, Lucas M., Casertano, Stefano, Scolnic, Daniel M.

    Published in The Astrophysical journal (20-11-2019)
    “…We present a calibration of the tip of the red giant branch (TRGB) in the Large Magellanic Cloud (LMC) on the Hubble Space Telescope (HST)/ACS F814W system. We…”
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    Journal Article
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    Hubble Space Telescope Observations of Mira Variables in the SN Ia Host NGC 1559: An Alternative Candle to Measure the Hubble Constant by Huang, Caroline D., Riess, Adam G., Yuan, Wenlong, Macri, Lucas M., Zakamska, Nadia L., Casertano, Stefano, Whitelock, Patricia A., Hoffmann, Samantha L., Filippenko, Alexei V., Scolnic, Daniel

    Published in The Astrophysical journal (20-01-2020)
    “…We present year-long, near-infrared Hubble Space Telescope (HST) WFC3 observations used to search for Mira variables in NGC 1559, the host galaxy of the Type…”
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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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    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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    A Near-infrared Period-Luminosity Relation for Miras in NGC 4258, an Anchor for a New Distance Ladder by Huang, Caroline D., Riess, Adam G., Hoffmann, Samantha L., Klein, Christopher, Bloom, Joshua, Yuan, Wenlong, Macri, Lucas M., Jones, David O., Whitelock, Patricia A., Casertano, Stefano, Anderson, Richard I.

    Published in The Astrophysical journal (10-04-2018)
    “…We present year-long, near-infrared (NIR) Hubble Space Telescope (HST) WFC3 observations of Mira variables in the water megamaser host galaxy NGC 4258. Miras…”
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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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  7. 7

    Small Magellanic Cloud Cepheids Observed with the Hubble Space Telescope Provide a New Anchor for the SH0ES Distance Ladder by Breuval, Louise, Riess, Adam G., Casertano, Stefano, Yuan, Wenlong, Macri, Lucas M., Romaniello, Martino, Murakami, Yukei S., Scolnic, Daniel, Anand, Gagandeep S., Soszyński, Igor

    Published in The Astrophysical journal (01-09-2024)
    “…Abstract We present phase-corrected photometric measurements of 88 Cepheid variables in the core of the Small Magellanic Cloud (SMC), the first sample obtained…”
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    A 1.3% Distance to M33 from Hubble Space Telescope Cepheid Photometry by Breuval, Louise, Riess, Adam G., Macri, Lucas M., Li, Siyang, Yuan, Wenlong, Casertano, Stefano, Konchady, Tarini, Trahin, Boris, Durbin, Meredith J., Williams, Benjamin F.

    Published in The Astrophysical journal (01-07-2023)
    “…Abstract We present a low-dispersion period–luminosity relation (PL) based on 154 Cepheids in Messier 33 (M33) with Hubble Space Telescope (HST) photometry…”
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  10. 10

    Significant luminosity differences of two twin Type Ia supernovae by Foley, Ryan J, Hoffmann, Samantha L, Macri, Lucas M, Riess, Adam G, Brown, Peter J, Filippenko, Alexei V, Graham, Melissa L, Milne, Peter A

    “…ABSTRACT The Type Ia supernovae (SNe Ia) 2011by, hosted in NGC 3972, and 2011fe, hosted in M101, are optical ‘twins,’ having almost identical optical…”
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    Groups of Galaxies in the Two Micron All Sky Redshift Survey by Crook, Aidan C, Huchra, John P, Martimbeau, Nathalie, Masters, Karen L, Jarrett, Tom, Macri, Lucas M

    Published in The Astrophysical journal (01-02-2007)
    “…We present the results of applying a percolation algorithm to the initial release of the Two Micron All Sky Survey Extended Source Catalog, using subsequently…”
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  13. 13

    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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  14. 14

    The luminosity of SN 1999by in NGC 2841 and the nature of peculiar type Ia supernovae by GARNAVICH, Peter M, BONANOS, Alceste Z, BOTHUN, Gregory D, FREEDMAN, Wendy L, KRISCIUNAS, Kevin, JHA, Saurabh, KIRSHNER, Robert P, SCHLEGEL, Eric M, CHALLIS, Peter, MACRI, Lucas M, HATANO, Kazuhito, BRANCH, David

    Published in The Astrophysical journal (01-10-2004)
    “…We present UBVRIJHK photometry and optical spectroscopy of the so-called peculiar Type Ia supernova 1999by in NGC 2841. The observations began 1 week before…”
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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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    A First Look at Cepheids in a Type Ia Supernova Host with JWST by Yuan, Wenlong, Riess, Adam G., Casertano, Stefano, Macri, Lucas M.

    Published in Astrophysical journal. Letters (01-11-2022)
    “…Abstract We report the first look at extragalactic Cepheid variables with the James Webb Space Telescope (JWST), obtained from an archival observation of NGC…”
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  17. 17

    A Sub-2% Distance to M31 from Photometrically Homogeneous Near-infrared Cepheid Period–Luminosity Relations Measured with the Hubble Space Telescope by Li, Siyang, Riess, Adam G., Busch, Michael P., Casertano, Stefano, Macri, Lucas M., Yuan, Wenlong

    Published in The Astrophysical journal (01-10-2021)
    “…Abstract We present period–luminosity relations (PLRs) for 55 Cepheids in M31 with periods ranging from 4 to 78 days observed with the Hubble Space Telescope…”
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    On the variation of Fourier parameters for Galactic and LMC Cepheids at optical, near-infrared and mid-infrared wavelengths by Bhardwaj, Anupam, Kanbur, Shashi M, Singh, Harinder P, Macri, Lucas M, Ngeow, Chow-Choong

    “…We present a light-curve analysis of fundamental-mode Galactic and Large Magellanic Cloud (LMC) Cepheids based on the Fourier decomposition technique. We have…”
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