Search Results - "MacKenty, John W."

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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All-sky Faint DA White Dwarf Spectrophotometric Standards for Astrophysical Observatories: The Complete Sample by Axelrod, Tim, Saha, Abhijit, Matheson, Thomas, Olszewski, Edward W., Bohlin, Ralph C., Calamida, Annalisa, Claver, Jenna, Deustua, Susana, Holberg, Jay B., Hubeny, Ivan, Mackenty, John W., Malanchev, Konstantin, Narayan, Gautham, Points, Sean, Rest, Armin, Sabbi, Elena, Stubbs, Christopher W.

“…Abstract Hot DA white dwarfs (DAWDs) have fully radiative pure hydrogen atmospheres that are the least complicated to model. Pulsationally stable, they are…”
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The Lyman Continuum Escape Fraction of Galaxies and AGN in the GOODS Fields by Smith, Brent M., Windhorst, Rogier A., Cohen, Seth H., Koekemoer, Anton M., Jansen, Rolf A., White, Cameron, Borthakur, Sanchayeeta, Hathi, Nimish, Jiang, Linhua, Rutkowski, Michael, Ryan, Russell E., Inoue, Akio K., O'Connell, Robert W., MacKenty, John W., Conselice, Christopher J., Silk, Joseph I.

“…We present our analysis of the Lyman continuum (LyC) emission and escape fraction of 111 spectroscopically verified galaxies with and without active galactic…”
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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-3: Testing Crowded Object Catalogs in the Hubble eXtreme Deep Field Mosaics to Study Sample Incompleteness from an Extragalactic Background Light Perspective by Kramer, Darby M., Carleton, Timothy, Cohen, Seth. H., Jansen, Rolf, Windhorst, Rogier A., Grogin, Norman, Koekemoer, Anton, MacKenty, John W., Pirzkal, Nor

“…Abstract Extragalactic background light (EBL) studies have revealed a significant discrepancy between direct measurements—via instruments measuring “bare” sky…”
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Hubble Space Telescope Wide Field Camera 3 Observations of Escaping Lyman Continuum Radiation from Galaxies and Weak AGN at Redshifts z ∼ 2.3-4.1 by Smith, Brent M., Windhorst, Rogier A., Jansen, Rolf A., Cohen, Seth H., Jiang, Linhua, Dijkstra, Mark, Koekemoer, Anton M., Bielby, Richard, Inoue, Akio K., MacKenty, John W., O'Connell, Robert W., Silk, Joseph I.

“…We present observations of escaping Lyman Continuum (LyC) radiation from 34 massive star-forming galaxies (SFGs) and 12 weak AGN with reliably measured…”
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Compact and robust method for full Stokes spectropolarimetry by Sparks, William, Germer, Thomas A, MacKenty, John W, Snik, Frans

“…We present an approach to spectropolarimetry that requires neither moving parts nor time dependent modulation, and that offers the prospect of achieving high…”
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Investigating the Dominant Environmental Quenching Process in UVCANDELS/COSMOS Groups by Zabelle, Bonnabelle, Scarlata, Claudia, Mehta, Vihang, Teplitz, Harry I., Rafelski, Marc, Wang, Xin, Sunnquist, Ben, Prichard, Laura, Grogin, Norman, Koekemoer, Anton, Windhorst, Rogier, Rutkowski, Michael, Alavi, Anahita, Chartab, Nima, Conselice, Christopher J., Dai, Y. Sophia, Gawiser, Eric, Giavalisco, Mauro, Haro, Pablo Arrabal, Hathi, Nimish, Jansen, Rolf A., Ji, Zhiyuan, Lucas, Ray A., Mantha, Kameswara, Mobasher, Bahram, O’Connell, Robert W., Robertson, Brant, Sattari, Zahra, Yung, L. Y. Aaron, Davé, Romeel, DeMello, Duilia, Dickinson, Mark, Ferguson, Henry, Finkelstein, Steven L., Hayes, Matt, Howell, Justin, Kaviraj, Sugata, Mackenty, John W., Siana, Brian

“…Abstract We explore how the fraction of quenched galaxies changes in groups of galaxies with respect to the distance to the center of the group, redshift, and…”
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The Cool Supergiant Population of the Massive Young Star Cluster RSGC1 by Davies, Ben, Figer, Don F, Law, Casey J, Kudritzki, Rolf-Peter, Najarro, Francisco, Herrero, Artemio, MacKenty, John W

“…We present new high-resolution near-IR spectroscopy and OH maser observations to investigate the population of cool luminous stars of the young massive…”
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Discovery of an Extraordinarily Massive Cluster of Red Supergiants by Figer, Donald F, MacKenty, John W, Robberto, Massimo, Smith, Kester, Najarro, Francisco, Kudritzki, Rolf P, Herrero, Artemio

“…We report the discovery of an extraordinarily massive young cluster of stars in the Galaxy, having an inferred total initial cluster mass comparable to the…”
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Diagnosing DASH: A Catalog of Structural Properties for the COSMOS-DASH Survey by Cutler, Sam E., Whitaker, Katherine E., Mowla, Lamiya A., Brammer, Gabriel B., van der Wel, Arjen, Marchesini, Danilo, van Dokkum, Pieter G., Momcheva, Ivelina G., Song, Mimi, Akhshik, Mohammad, Nelson, Erica J., Bezanson, Rachel, Franx, Marijn, Kriek, Mariska, Lange-Vagle, Daniel, Leja, Joel, MacKenty, John W., Muzzin, Adam, Shipley, Heath

“…Abstract We present the H 160 morphological catalogs for the COSMOS-DASH survey, the largest area near-IR survey using HST-WFC3 to date. Utilizing the “Drift…”
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The Extended Emission-Line Region of 4C 37.43 by Stockton, Alan, MacKenty, John W, Hu, Esther M, Kim, Tae-Sun

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ASCA Observations of Starbursting Dwarf Galaxies: The Case of NGC 1569 by della Ceca, Roberto, Griffiths, Richard E., Heckman, Timothy M., MacKenty, John W.

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3CR249.1 and Ton202-luminous QSOs in interacting systems by Stockton, Alan, MacKenty, John W

“…The morphologies of the extended emission-line regions around the QSOs 3CR249.1 and Ton202 indicate that they have, in both cases, resulted from interactions…”
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Erratum: “Discovery of an Extraordinarily Massive Cluster of Red Supergiants” (ApJ, 643, 1166 [2006]) by Figer, Donald F., MacKenty, John W., Robberto, Massimo, Smith, Kester, Najarro, Francisco, Kudritzki, Rolf P., Herrero, Artemio

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SKYSURF-3: Testing Crowded Object Catalogs in the Hubble eXtreme Deep Field Mosaics to Study Sample Incompleteness from an Extragalactic Background Light Perspective by Kramer, Darby, Carleton, Timothy, Cohen, Seth H, Grogin, Norman A, Jansen, Rolf A, Koekemoer, Anton M, Mackenty, John W, Pirzkal, Norbert, Windhorst, Rogier A

“…Extragalactic Background Light (EBL) studies have revealed a significant discrepancy between direct measurements -- via instruments measuring "bare" sky from…”
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All-Sky Faint DA White Dwarf Spectrophotometric Standards for Astrophysical Observatories: The Complete Sample by Axelrod, Tim, Saha, Abhijit, Matheson, Thomas, Olszewski, Edward W, Bohlin, Ralph C, Calamida, Annalisa, Claver, Jenna, Deustua, Susana, Holberg, Jay B, Hubeny, Ivan, Mackenty, John W, Malanchev, Konstantin, Narayan, Gautham, Points, Sean, Rest, Armin, Sabbi, Elena, Stubbs, Christopher W

“…Hot DA white dwarfs have fully radiative pure hydrogen atmospheres that are the least complicated to model. Pulsationally stable, they are fully characterized…”
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Investigating the Dominant Environmental Quenching Process in UVCANDELS/COSMOS Groups by Kuschel, Maxwell, Scarlata, Claudia, Mehta, Vihang, Teplitz, Harry I, Rafelski, Marc, Wang, Xin, Sunnquist, Ben, Prichard, Laura, Grogin, Norman, Windhorst, Rogier, Rutkowski, Michael, Alavi, Anahita, Chartab, Nima, Conselice, Christopher J, Dai, Y. Sophia, Gawiser, Eric, Giavalisco, Mauro, Haro, Pablo Arrabal, Hathi, Nimish, Jansen, Rolf, Ji, Zhiyuan, Koekemoer, Anton, Lucas, Ray A, Mantha, Kameswara, Mobasher, Bahram, O'Connell, Robert W, Robertson, Brant, Sattari, Zahra, Yung, L. Y. Aaron, Dave, Romeel, DeMello, Duilia, Dickinson, Mark, Ferguson, Henry, Finkelstein, Steven L, Hayes, Matt, Howell, Justin, Kaviraj, Sugata, Mackenty, John W, Siana, Brian

“…ApJ 947 17 (2023) We explore how the fraction of quenched galaxies changes in groups of galaxies with respect to the distance to the center of the group,…”
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Diagnosing DASH: A Catalog of Structural Properties for the COSMOS-DASH Survey by Cutler, Sam E, Whitaker, Katherine E, Mowla, Lamiya A, Brammer, Gabriel B, van der Wel, Arjen, Marchesini, Danilo, van Dokkum, Pieter, Momcheva, Ivelina, Song, Mimi, Akhshik, Mohammad, Nelson, Erica J, Bezanson, Rachel, Franx, Marijn, Kriek, Mariska, Leja, Joel, MacKenty, John W, Muzzin, Adam, Shipley, Heath, Lange-Vagle, Daniel

“…We present the $H_{160}$ morphological catalogs for the COSMOS-DASH survey, the largest area near-IR survey using HST-WFC3 to date. Utilizing the "Drift And…”
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