Search Results - "Beaton, Rachael L."

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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Structures of Dwarf Satellites of Milky Way-like Galaxies: Morphology, Scaling Relations, and Intrinsic Shapes by Carlsten, Scott G., Greene, Jenny E., Greco, Johnny P., Beaton, Rachael L., Kado-Fong, Erin

“…Abstract The structure of a dwarf galaxy is an important probe of the effects of stellar feedback and environment. Using an unprecedented sample of 223…”
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Kinematics and Metallicity of the Dwarf Spheroidal Galaxy Andromeda XVIII by Kvasova, Kateryna A., Kirby, Evan N., Beaton, Rachael L.

“…Abstract Andromeda XVIII is an isolated dwarf galaxy 579 kpc away from the nearest large galaxy, M31. It is a candidate “backsplash galaxy” that might have…”
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THE M31 VELOCITY VECTOR. II. RADIAL ORBIT TOWARD THE MILKY WAY AND IMPLIED LOCAL GROUP MASS by VAN DER MAREL, Roeland P, FARDAL, Mark, BESLA, Gurtina, BEATON, Rachael L, TONY SOHN, Sangmo, ANDERSON, Jay, BROWN, Tom, GUHATHAKURTA, Puragra

“…We determine the velocity vector of M31 with respect to the Milky Way and use this to constrain the mass of the Local Group, based on Hubble Space Telescope…”
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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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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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Discovery and Early Evolution of ASASSN-19bt, the First TDE Detected by TESS by Holoien, Thomas W.-S., Vallely, Patrick J., Auchettl, Katie, Stanek, K. Z., Kochanek, Christopher S., French, K. Decker, Prieto, Jose L., Shappee, Benjamin J., Brown, Jonathan S., Fausnaugh, Michael M., Dong, Subo, Thompson, Todd A., Bose, Subhash, Neustadt, Jack M. M., Cacella, P., Brimacombe, J., Kendurkar, Malhar R., Beaton, Rachael L., Boutsia, Konstantina, Chomiuk, Laura, Connor, Thomas, Morrell, Nidia, Newman, Andrew B., Rudie, Gwen C., Shishkovksy, Laura, Strader, Jay

“…We present the discovery and early evolution of ASASSN-19bt, a tidal disruption event (TDE) discovered by the All-Sky Automated Survey for Supernovae (ASAS-SN)…”
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TESS Stellar Rotation up to 80 Days in the Southern Continuous Viewing Zone by Claytor, Zachary R., van Saders, Jennifer L., Cao, Lyra, Pinsonneault, Marc H., Teske, Johanna, Beaton, Rachael L.

“…Abstract The Transiting Exoplanet Survey Satellite (TESS) mission delivers time-series photometry for millions of stars across the sky, offering a probe into…”
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Elemental Abundances in M31: Individual and Coadded Spectroscopic [Fe/H] and [α/Fe] throughout the M31 Halo with SPLASH by Wojno, J. Leigh, Gilbert, Karoline M., Kirby, Evan N., Escala, Ivanna, Guhathakurta, Puragra, Beaton, Rachael L., Kalirai, Jason, Chiba, Masashi, Majewski, Steven R.

“…Abstract We present spectroscopic chemical abundances of red giant branch stars in Andromeda (M31), using medium-resolution ( R ∼ 6000) spectra obtained via…”
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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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A comparative study of satellite galaxies in Milky Way-like galaxies from HSC, DECaLS, and SDSS by Wang, Wenting, Takada, Masahiro, Li, Xiangchong, Carlsten, Scott G, Lan, Ting-Wen, Shi, Jingjing, Miyatake, Hironao, More, Surhud, Beaton, Rachael L, Lupton, Robert, Lin, Yen-Ting, Qiu, Tian, Luo, Wentao

“…ABSTRACT We conduct a comprehensive and statistical study of the luminosity functions (LFs) for satellite galaxies, by counting photometric galaxies from HSC,…”
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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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On the Hunt for the Origins of the Orphan–Chenab Stream: Detailed Element Abundances with APOGEE and Gaia by Hawkins, Keith, Price-Whelan, Adrian M., Sheffield, Allyson A., Subrahimovic, Aidan Z., Beaton, Rachael L., Belokurov, Vasily, Erkal, Denis, Koposov, Sergey E., Lane, Richard R., Laporte, Chervin F. P., Nitschelm, Christian

“…Abstract Stellar streams in the Galactic halo are useful probes of the assembly of galaxies like the Milky Way. Many tidal stellar streams that have been found…”
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Two-process Model and Residual Abundance Analysis of the Milky Way Massive Satellites by Hasselquist, Sten, Hayes, Christian R., Griffith, Emily J., Weinberg, David, Sit, Tawny, Beaton, Rachael L., Horta, Danny

“…Abstract The “two-process model” is a promising technique for interpreting stellar chemical abundance data from large-scale surveys (e.g., the Sloan Digital…”
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Resolved Near-infrared Stellar Photometry from the Magellan Telescope for 13 Nearby Galaxies: J-region Asymptotic Giant Branch Method Distances by Lee, Abigail J., Monson, Andrew J., Freedman, Wendy L., Madore, Barry F., Owens, Kayla A., Beaton, Rachael L., Espinoza, Coral, Ren, Tongtian, Ren, Yi

“…Abstract We present near-infrared JHK photometry for the resolved stellar populations in 13 nearby galaxies: NGC 6822, IC 1613, NGC 3109, Sextans B, Sextans A,…”
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Global Properties of M31’s Stellar Halo from the SPLASH Survey. III. Measuring the Stellar Velocity Dispersion Profile by Gilbert, Karoline M., Tollerud, Erik, Beaton, Rachael L., Guhathakurta, Puragra, Bullock, James S., Chiba, Masashi, Kalirai, Jason S., Kirby, Evan N., Majewski, Steven R., Tanaka, Mikito

“…Abstract We present the velocity dispersion of red giant branch stars in M31’s halo, derived by modeling the line-of-sight velocity distribution of over 5000…”
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The APO-K2 Catalog. I. ∼7500 Red Giants with Fundamental Stellar Parameters from APOGEE DR17 Spectroscopy and K2-GAP Asteroseismology by Schonhut-Stasik, Jessica, Zinn, Joel C., Stassun, Keivan G., Pinsonneault, Marc, Johnson, Jennifer A., Warfield, Jack T., Stello, Dennis, Elsworth, Yvonne, García, Rafael A., Mathur, Savita, Mosser, Benoit, Hon, Marc, Tayar, Jamie, Stringfellow, Guy S., Beaton, Rachael L., Jönsson, Henrik, Minniti, Dante

“…Abstract We present a catalog of fundamental stellar properties for ∼7500 evolved stars, including stellar radii and masses, determined from the combination of…”
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The Carnegie Chicago Hubble Program. VI. Tip of the Red Giant Branch Distances to M66 and M96 of the Leo I Group by Hoyt, Taylor J., Freedman, Wendy L., Madore, Barry F., Hatt, Dylan, Beaton, Rachael L., Jang, In Sung, Lee, Myung Gyoon, Monson, Andrew J., Neeley, Jillian R., Rich, Jeffrey A., Mager, Violet A.

“…We determine the distances to the Type Ia supernova host galaxies M66 (NGC 3627) and M96 (NGC 3368) of the Leo I Group using the Tip of the Red Giant Branch…”
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Statistics of the Chemical Composition of Solar Analog Stars and Links to Planet Formation by Nibauer, Jacob, Baxter, Eric J., Jain, Bhuvnesh, Van Saders, Jennifer L., Beaton, Rachael L., Teske, Johanna K.

“…The Sun has been found to be depleted in refractory (rock-forming) elements relative to nearby solar analogs, suggesting a potential indicator of planet…”
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