Search Results - "Casertano, Stefano"

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.

“…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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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.

“…We present Hubble Space Telescope (HST) photometry of a selected sample of 50 long-period, low-extinction Milky Way Cepheids measured on the same WFC3 F555W-,…”
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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.

“…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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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

“…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

“…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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A Gaia Data Release 3 View on the Tip of the Red Giant Branch Luminosity by Li, Siyang, Casertano, Stefano, Riess, Adam G.

“…Abstract The tip of the red giant branch (TRGB) is a standard candle that can be used to help refine the determination of the Hubble constant. Gaia Data…”
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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.

“…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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Type Ia Supernova Distances at Redshift >1.5 from the Hubble Space Telescope Multi-cycle Treasury Programs: The Early Expansion Rate by Riess, Adam G., Rodney, Steven A., Scolnic, Daniel M., Shafer, Daniel L., Strolger, Louis-Gregory, Ferguson, Henry C., Postman, Marc, Graur, Or, Maoz, Dan, Jha, Saurabh W., Mobasher, Bahram, Casertano, Stefano, Hayden, Brian, Molino, Alberto, Hjorth, Jens, Garnavich, Peter M., Jones, David O., Kirshner, Robert P., Koekemoer, Anton M., Grogin, Norman A., Brammer, Gabriel, Hemmati, Shoubaneh, Dickinson, Mark, Challis, Peter M., Wolff, Schuyler, Clubb, Kelsey I., Filippenko, Alexei V., Nayyeri, Hooshang, Vivian, U, Koo, David C., Faber, Sandra M., Kocevski, Dale, Bradley, Larry, Coe, Dan

“…We present an analysis of 15 Type Ia supernovae (SNe Ia) at redshift (9 at ) recently discovered in the CANDELS and CLASH Multi-Cycle Treasury programs using…”
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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.

“…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.

“…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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Relativistic deflection of background starlight measures the mass of a nearby white dwarf star by Sahu, Kailash C., Anderson, Jay, Casertano, Stefano, Bond, Howard E., Bergeron, Pierre, Nelan, Edmund P., Pueyo, Laurent, Brown, Thomas M., Bellini, Andrea, Levay, Zoltan G., Sokol, Joshua, Dominik, Martin, Calamida, Annalisa, Kains, Noé, Livio, Mario

“…Gravitational deflection of starlight around the Sun during the 1919 total solar eclipse provided measurements that confirmed Einstein’s general theory of…”
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Reconnaissance with JWST of the J-region Asymptotic Giant Branch in Distance Ladder Galaxies: From Irregular Luminosity Functions to Approximation of the Hubble Constant by Li, Siyang, Riess, Adam G., Casertano, Stefano, Anand, Gagandeep S., Scolnic, Daniel M., Yuan, Wenlong, Breuval, Louise, Huang, Caroline D.

“…Abstract We study stars in the J-regions of the asymptotic giant branch (JAGB) of near-infrared color–magnitude diagrams in the maser host NGC 4258 and four…”
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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

“…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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Tip of the Red Giant Branch Distances with JWST: An Absolute Calibration in NGC 4258 and First Applications to Type Ia Supernova Hosts by Anand, Gagandeep S., Riess, Adam G., Yuan, Wenlong, Beaton, Rachael, Casertano, Stefano, Li, Siyang, Makarov, Dmitry I., Makarova, Lidia N., Tully, R. Brent, Anderson, Richard I., Breuval, Louise, Dolphin, Andrew, Karachentsev, Igor D., Macri, Lucas M., Scolnic, Daniel

“…Abstract The tip of the red giant branch (TRGB) allows for the measurement of precise and accurate distances to nearby galaxies based on the brightest ascent…”
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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.

“…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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Standardized Luminosity of the Tip of the Red Giant Branch Utilizing Multiple Fields in NGC 4258 and the CATs Algorithm by Li, Siyang, Riess, Adam G., Scolnic, Daniel, Anand, Gagandeep S., Wu, Jiaxi, Casertano, Stefano, Yuan, Wenlong, Beaton, Rachael, Anderson, Richard I.

“…Abstract The tip of the red giant branch provides a luminous standard candle for calibrating distance ladders that reach Type Ia supernova (SN Ia) hosts…”
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The Mira Distance to M101 and a 4% Measurement of H 0 by Huang, Caroline D., Yuan, Wenlong, Riess, Adam G., Hack, Warren, Whitelock, Patricia A., Zakamska, Nadia L., Casertano, Stefano, Macri, Lucas M., Marengo, Massimo, Menzies, John W., Smith, Randall K.

“…Abstract The giant spiral galaxy M101 is host to the nearest recent Type Ia supernova (SN 2011fe) and thus has been extensively monitored in the near-infrared…”
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PARALLAX OF GALACTIC CEPHEIDS FROM SPATIALLY SCANNING THE WIDE FIELD CAMERA 3 ON THE HUBBLE SPACE TELESCOPE: THE CASE OF SS CANIS MAJORIS by Casertano, Stefano, Riess, Adam G., Anderson, Jay, Anderson, Richard I., Bowers, J. Bradley, Clubb, Kelsey I., Cukierman, Aviv R., Filippenko, Alexei V., Graham, Melissa L., MacKenty, John W., Melis, Carl, Tucker, Brad E., Upadhya, Gautam

“…ABSTRACT We present a high-precision measurement of the parallax for the 12-day Cepheid SS Canis Majoris, obtained via spatial scanning with the Wide Field…”
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SKYSURF-4: Panchromatic Hubble Space Telescope All-Sky Surface-brightness Measurement Methods and Results by O’Brien, Rosalia, Carleton, Timothy, Windhorst, Rogier A., Jansen, Rolf A., Carter, Delondrae, Tompkins, Scott, Caddy, Sarah, Cohen, Seth H., Abate, Haley, Arendt, Richard G., Berkheimer, Jessica, Calamida, Annalisa, Casertano, Stefano, Driver, Simon P., Gelb, Connor, Goisman, Zak, Grogin, Norman, Henningsen, Daniel, Huckabee, Isabela, Kenyon, Scott J., Koekemoer, Anton M., Kramer, Darby, Mackenty, John, Robotham, Aaron, Sherman, Steven

“…Abstract The diffuse, unresolved sky provides most of the photons that the Hubble Space Telescope (HST) receives, yet remains poorly understood. The HST…”
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THE DISCOVERY OF THE MOST DISTANT KNOWN TYPE Ia SUPERNOVA AT REDSHIFT 1.914 by Jones, David O, Rodney, Steven A, Riess, Adam G, Mobasher, Bahram, Dahlen, Tomas, McCully, Curtis, Frederiksen, Teddy F, Casertano, Stefano, Hjorth, Jens, Keeton, Charles R

“…We present the discovery of a Type Ia supernova (SN) at redshift z = 1.914 from the CANDELS multi-cycle treasury program on the Hubble Space Telescope (HST)…”
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