Search Results - "Seibert, Mark"

The Carnegie-Chicago Hubble Program. VIII. An Independent Determination of the Hubble Constant Based on the Tip of the Red Giant Branch by Freedman, Wendy L., Madore, Barry F., Hatt, Dylan, Hoyt, Taylor J., Jang, In Sung, Beaton, Rachael L., Burns, Christopher R., Lee, Myung Gyoon, Monson, Andrew J., Neeley, Jillian R., Phillips, M. M., Rich, Jeffrey A., Seibert, Mark

“…Abstract We present a new and independent determination of the local value of the Hubble constant based on a calibration of the tip of the red giant branch…”
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Cosmicflows-4: The Calibration of Optical and Infrared Tully-Fisher Relations by Kourkchi, Ehsan, Tully, R. Brent, Anand, Gagandeep S., Courtois, Hélène M., Dupuy, Alexandra, Neill, James D., Rizzi, Luca, Seibert, Mark

“…This study is a part of the Cosmicflows-4 project with the aim of measuring the distances of more than ∼10,000 spiral galaxies in the local universe up to…”
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CARNEGIE HUBBLE PROGRAM: A MID-INFRARED CALIBRATION OF THE HUBBLE CONSTANT by FREEDMAN, Wendy L, MADORE, Barry F, SCOWCROFT, Victoria, BURNS, Chris, MONSON, Andy, PERSSON, S. Eric, SEIBERT, Mark, RIGBY, Jane

“…Using a mid-infrared calibration of the Cepheid distance scale based on recent observations at 3.6 mu m with the Spitzer Space Telescope, we have obtained a…”
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THE CARNEGIE HUBBLE PROGRAM: THE DISTANCE AND STRUCTURE OF THE SMC AS REVEALED BY MID-INFRARED OBSERVATIONS OF CEPHEIDS by Scowcroft, Victoria, Freedman, Wendy L., Madore, Barry F., Monson, Andy, Persson, S. E., Rich, Jeff, Seibert, Mark, Rigby, Jane R.

“…ABSTRACT Using Spitzer observations of classical Cepheids we have measured the true average distance modulus of the Small Magellanic Cloud (SMC) to be mag…”
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The effects of diffuse ionized gas and spatial resolution on metallicity gradients: TYPHOON two-dimensional spectrophotometry of M83 by Poetrodjojo, Henry, D’Agostino, Joshua J, Groves, Brent, Kewley, Lisa, Ho, I-Ting, Rich, Jeff, Madore, Barry F, Seibert, Mark

“…Abstract We present a systematic study of the diffuse ionized gas (DIG) in M83 and its effects on the measurement of metallicity gradients at varying…”
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Cosmicflows-4: The Catalog of ∼10,000 Tully-Fisher Distances by Kourkchi, Ehsan, Tully, R. Brent, Eftekharzadeh, Sarah, Llop, Jordan, Courtois, Hélène M., Guinet, Daniel, Dupuy, Alexandra, Neill, James D., Seibert, Mark, Andrews, Michael, Chuang, Juana, Danesh, Arash, Gonzalez, Randy, Holthaus, Alexandria, Mokelke, Amber, Schoen, Devin, Urasaki, Chase

“…We present the distances of 9792 spiral galaxies lying within 15,000 km s−1 using the relation between luminosity and rotation rate of spiral galaxies. The…”
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Standard Galactic field RR Lyrae II: a Gaia DR2 calibration of the period–Wesenheit–metallicity relation by Neeley, Jillian R, Marengo, Massimo, Freedman, Wendy L, Madore, Barry F, Beaton, Rachael L, Hatt, Dylan, Hoyt, Taylor, Monson, Andrew J, Rich, Jeffrey A, Sarajedini, Ata, Seibert, Mark, Scowcroft, Victoria

“…ABSTRACT RR Lyrae stars have long been popular standard candles, but significant advances in methodology and technology have been made in recent years to…”
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Extreme Feedback and the Epoch of Reionization: Clues in the Local Universe by Heckman, Timothy M, Borthakur, Sanchayeeta, Overzier, Roderik, Kauffmann, Guinevere, Basu-Zych, Antara, Leitherer, Claus, Sembach, Ken, Martin, D. Chris, Rich, R. Michael, Schiminovich, David, Seibert, Mark

“…The source responsible for reionizing the universe at z>6 remains uncertain. While an energetically adequate population of star-forming galaxies may be in…”
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gPhoton: THE GALEX PHOTON DATA ARCHIVE by Million, Chase, Fleming, Scott W., Shiao, Bernie, Seibert, Mark, Loyd, Parke, Tucker, Michael, Smith, Myron, Thompson, Randy, White, Richard L.

“…ABSTRACT gPhoton is a new database product and software package that enables analysis of GALEX ultraviolet data at the photon level. The project's stand-alone,…”
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THE CARNEGIE-CHICAGO HUBBLE PROGRAM. I. AN INDEPENDENT APPROACH TO THE EXTRAGALACTIC DISTANCE SCALE USING ONLY POPULATION II DISTANCE INDICATORS by Beaton, Rachael L., Freedman, Wendy L., Madore, Barry F., Bono, Giuseppe, Carlson, Erika K., Clementini, Gisella, Durbin, Meredith J., Garofalo, Alessia, Hatt, Dylan, Jang, In Sung, Kollmeier, Juna A., Lee, Myung Gyoon, Monson, Andrew J., Rich, Jeffrey A., Scowcroft, Victoria, Seibert, Mark, Sturch, Laura, Yang, Soung-Chul

“…ABSTRACT We present an overview of the Carnegie-Chicago Hubble Program, an ongoing program to obtain a 3% measurement of the Hubble constant ( H 0 ) using…”
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The Carnegie–Chicago Hubble Program. III. The Distance to NGC 1365 via the Tip of the Red Giant Branch by Jang, In Sung, Hatt, Dylan, Beaton, Rachael L., Lee, Myung Gyoon, Freedman, Wendy L., Madore, Barry F., Hoyt, Taylor J., Monson, Andrew J., Rich, Jeffrey A., Scowcroft, Victoria, Seibert, Mark

“…Abstract The Carnegie–Chicago Hubble Program (CCHP) seeks to anchor the distance scale of Type Ia supernovae via the Tip of the Red Giant Branch (TRGB) method…”
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The Carnegie–Chicago Hubble Program. V. The Distances to NGC 1448 and NGC 1316 via the Tip of the Red Giant Branch by Hatt, Dylan, Freedman, Wendy L., Madore, Barry F., Jang, In Sung, Beaton, Rachael L., Hoyt, Taylor J., Lee, Myung Gyoon, Monson, Andrew J., Rich, Jeffrey A., Scowcroft, Victoria, Seibert, Mark

“…Abstract The Carnegie–Chicago Hubble Program (CCHP) is recalibrating the extragalactic SN Ia distance scale using exclusively Population II stars. This effort…”
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On a New Theoretical Framework for RR Lyrae Stars. II. Mid-infrared Period-Luminosity-Metallicity Relations by Neeley, Jillian R., Marengo, Massimo, Bono, Giuseppe, Braga, Vittorio F., Dall'Ora, Massimo, Magurno, Davide, Marconi, Marcella, Trueba, Nicolas, Tognelli, Emanuele, Moroni, Pier G. Prada, Beaton, Rachael L., Freedman, Wendy L., Madore, Barry F., Monson, Andrew J., Scowcroft, Victoria, Seibert, Mark, Stetson, Peter B.

“…We present new theoretical period-luminosity-metallicity (PLZ) relations for RR Lyræ stars (RRLs) at Spitzer and WISE wavelengths. The PLZ relations were…”
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The Largest M Dwarf Flares from ASAS-SN by Schmidt, Sarah J., Shappee, Benjamin J., van Saders, Jennifer L., Stanek, K. Z., Brown, Jonathan S., Kochanek, C. S., Dong, Subo, Drout, Maria R., Frank, Stephan, Holoien, T. W.-S., Johnson, Sean, Madore, Barry F., Prieto, J. L., Seibert, Mark, Seidel, Marja K., Simonian, Gregory V. A.

“…The All-sky Automated Survey for Supernovae (ASAS-SN) is the only project in existence to scan the entire sky in optical light approximately every day,…”
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Starburst–AGN mixing: TYPHOON observations of NGC 1365, NGC 1068, and the effect of spatial resolution on the AGN fraction by D’Agostino, Joshua J, Poetrodjojo, Henry, Ho, I-Ting, Groves, Brent, Kewley, Lisa, Madore, Barry F, Rich, Jeff, Seibert, Mark

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The TYPHOON Stellar Population Synthesis Survey. I. The Young Stellar Population of the Great Barred Spiral NGC 1365 by Sextl, Eva, Kudritzki, Rolf-Peter, Burkert, Andreas, Ho, I-Ting, Zahid, H. Jabran, Seibert, Mark, Battisti, Andrew J., Madore, Barry F., Rich, Jeffrey A.

“…Abstract We analyze TYPHOON long-slit-absorption line spectra of the starburst barred spiral galaxy NGC 1365 obtained with the Progressive Integral Step Method…”
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Galaxy Structure in the Ultraviolet: The Dependence of Morphological Parameters on Rest-frame Wavelength by Mager, Violet A., Conselice, Christopher J., Seibert, Mark, Gusbar, Courtney, Katona, Anthony P., Villari, Joseph M., Madore, Barry F., Windhorst, Rogier A.

“…Evolutionary studies that compare galaxy structure as a function of redshift are complicated by the fact that any particular galaxy's appearance depends in…”
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Intrinsic reactivity of [OUCH]+: Apparent synthesis of [OUS]+ by reaction with CS2 by Metzler, Luke J., Farmen, Christopher T., Fry, Allison N., Seibert, Mark P., Massari, Kayla A., Corcovilos, Theodore A., Stipdonk, Michael J.

“…Rationale Building on our report that collision‐induced dissociation (CID) can be used to create the highly reactive U‐alkylidyne species [O=U≡CH]+, our goal…”
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The Origin of the Mass-Metallicity Relation: Insights from 53,000 Star-forming Galaxies in the Sloan Digital Sky Survey by Tremonti, Christy A, Heckman, Timothy M, Kauffmann, Guinevere, Brinchmann, Jarle, Charlot, Stéphane, White, Simon D. M, Seibert, Mark, Peng, Eric W, Schlegel, David J, Uomoto, Alan, Fukugita, Masataka, Brinkmann, Jon

“…We utilize Sloan Digital Sky Survey imaging and spectroscopy of 653,000 star-forming galaxies at z60.1 to study the relation between stellar mass and gas-phase…”
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Intrinsic reactivity of [OUCH] + : Apparent synthesis of [OUS] + by reaction with CS 2 by Metzler, Luke J, Farmen, Christopher T, Fry, Allison N, Seibert, Mark P, Massari, Kayla A, Corcovilos, Theodore A, van Stipdonk, Michael J

“…Building on our report that collision-induced dissociation (CID) can be used to create the highly reactive U-alkylidyne species [O=U≡CH] , our goal was to…”
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