Search Results - "Owens, Kayla"

Quantifying Uncertainties on the Tip of the Red Giant Branch Method by Madore, Barry F., Freedman, Wendy L., Owens, Kayla A., Jang, In Sung

“…Abstract We present an extensive grid of numerical simulations quantifying the uncertainties in measurements of the tip of the red giant branch (TRGB). These…”
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The Cepheid Distance Scale: A Novel Method for Obtaining Mean Magnitudes from Single-epoch Observations by Madore, Barry F., Freedman, Wendy L., Owens, Kayla

“…Abstract We present a novel technique for mapping single-phase observations of Cepheids in any given band into their time-averaged values, using strong priors…”
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Astrophysical Distance Scale. VII. A Self-consistent, Multiwavelength Calibration of the Slopes and Relative Zero Points for the Run of Luminosity with the Color of Stars Defining the Tip of the Red Giant Branch by Madore, Barry F., Freedman, Wendy L., Owens, Kayla

“…Abstract Given the recent successful launch of the James Webb Space Telescope, determining robust calibrations of the slopes and absolute magnitudes of the…”
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Coordinated JWST Imaging of Three Distance Indicators in a Supernova Host Galaxy and an Estimate of the Tip of the Red Giant Branch Color Dependence by Hoyt, Taylor J., Jang, In Sung, Freedman, Wendy L., Madore, Barry F., Lee, Abigail J., Owens, Kayla A.

“…Abstract Boasting a 6.5 m mirror in space, JWST can increase by several times the number of supernovae (SNe) to which a redshift-independent distance has been…”
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First JWST Observations of JAGB Stars in the SN Ia Host Galaxies: NGC 7250, NGC 4536, NGC 3972 by Lee, Abigail J., Freedman, Wendy L., Jang, In Sung, Madore, Barry F., Owens, Kayla A.

“…Abstract The J-region Asymptotic Giant Branch (JAGB) method is a standard candle that leverages the constant luminosities of color-selected, carbon-rich AGB…”
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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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The Astrophysical Distance Scale. III. Distance to the Local Group Galaxy WLM Using Multiwavelength Observations of the Tip of the Red Giant Branch, Cepheids, and JAGB Stars by Lee, Abigail J., Freedman, Wendy L., Madore, Barry F., Owens, Kayla A., Monson, Andrew J., Hoyt, Taylor J.

“…The local determination of the Hubble constant sits at a crossroad. Current estimates of the local expansion rate of the universe differ by about 1.7 , derived…”
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Chemical Modification of Silk Proteins via Palladium‐Mediated Suzuki−Miyaura Reactions by Santen, Racine M., Owens, Kayla M., Echague, Keith C., Murphy, Amanda R.

“…Suzuki−Miyaura cross‐coupling reactions are used to modify the tyrosine residues on Bombyx mori silkworm silk proteins using a water‐soluble palladium…”
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A Preliminary Calibration of the JAGB Method Using Gaia EDR3 by Lee, Abigail J., Freedman, Wendy L., Madore, Barry F., Owens, Kayla A., Sung Jang, In

“…Abstract The recently developed J-region asymptotic giant branch (JAGB) method has extraordinary potential as an extragalactic standard candle, capable of…”
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The Astrophysical Distance Scale. V. A 2% Distance to the Local Group Spiral M33 via the JAGB Method, Tip of the Red Giant Branch, and Leavitt Law by Lee, Abigail J., Rousseau-Nepton, Laurie, Freedman, Wendy L., Madore, Barry F., Cioni, Maria-Rosa L., Hoyt, Taylor J., Jang, In Sung, Javadi, Atefeh, Owens, Kayla A.

“…Abstract The J-region asymptotic giant branch (JAGB) method is a new standard candle that is based on the stable intrinsic J -band magnitude of color-selected…”
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Current Challenges in Cepheid Distance Calibrations Using Gaia Early Data Release 3 by Owens, Kayla A., Freedman, Wendy L., Madore, Barry F., Lee, Abigail J.

“…Abstract Using parallaxes from Gaia Early Data Release 3 (EDR3), we determine multi-wavelength BVI c , JHK s , and [3.6] and [4.5] micron absolute magnitudes…”
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Milky Way Zero-point Calibration of the JAGB Method: Using Thermally Pulsing AGB Stars in Galactic Open Clusters by Madore, Barry F., Freedman, Wendy L., Lee, Abigail J., Owens, Kayla

“…Abstract We present a new calibration of the J -band absolute magnitude of the JAGB method based on thermally pulsing AGB stars that are members of Milky Way…”
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The Successes and Failures of the United States to Grant Reparations to Greenwood, Oklahoma following the 1921 Destruction of Black Wall Street by Owens, Kayla Deigh

“…Why is it so difficult to get reparations for Greenwood? The United States has struggled with giving reparations for certain groups although they are an…”
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Tribological Performance of ZnO-Oil Nanofluids at Elevated Temperatures by Harta, Ionut C., Owens, Kayla, De Jesús Santiago, Steven, Schall, David, Thrush, Steven, Barber, Gary, Zou, Qian

“…The tribological performance of nanofluids consisting of ZnO nanoparticles dispersed with a stabilizer in an API Group III oil was investigated. Recent…”
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Astrophysical Distance Scale VII: A Self-Consistent, Multi-Wavelength Calibration of the Slopes and Relative Zero Points for the Run of Luminosity with Color of Stars Defining the Tip of the Red Giant Branch by Madore, Barry F, Freedman, Wendy L, Owens, Kayla

“…Given the recent successful launch of the James Webb Space Telescope, determining robust calibrations of the slopes and absolute magnitudes of the near- to…”
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First JWST Observations of JAGB Stars in the SN Ia Host Galaxies: NGC 7250, NGC 4536, NGC 3972 by Lee, Abigail J, Freedman, Wendy L, Jang, In Sung, Madore, Barry F, Owens, Kayla A

“…The J-region Asymptotic Giant Branch (JAGB) method is a standard candle that leverages the constant luminosities of color-selected, carbon-rich AGB stars,…”
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Status Report on the Chicago-Carnegie Hubble Program (CCHP): Three Independent Astrophysical Determinations of the Hubble Constant Using the James Webb Space Telescope by Freedman, Wendy L, Madore, Barry F, Jang, In Sung, Hoyt, Taylor J, Lee, Abigail J, Owens, Kayla A

“…We present the latest results from the Chicago Carnegie Hubble Program (CCHP) to measure the Hubble constant using data from the James Webb Space Telescope…”
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The Chicago-Carnegie Hubble Program: The JWST J-region Asymptotic Giant Branch (JAGB) Extragalactic Distance Scale by Lee, Abigail J, Freedman, Wendy L, Madore, Barry F, Jang, In Sung, Owens, Kayla A, Hoyt, Taylor J

“…The J-region asymptotic giant branch (JAGB) method is a new standard candle based on the constant luminosities of carbon-rich asymptotic giant branch stars in…”
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Quantifying Uncertainties on the Tip of the Red Giant Branch Method by Madore, Barry F, Owens, Wendy L. Freedman Kayla A, Jang, In Sung

“…We present an extensive grid of numerical simulations quantifying the uncertainties in measurements of the Tip of the Red Giant Branch (TRGB). These…”
Get full text

Coordinated JWST Imaging of Three Distance Indicators in a SN Host Galaxy and an Estimate of the TRGB Color Dependence by Hoyt, Taylor J, Jang, In Sung, Freedman, Wendy L, Madore, Barry F, Lee, Abigail J, Owens, Kayla A

“…Boasting a 6.5m mirror in space, JWST can increase by several times the number of supernovae (SNe) to which a redshift-independent distance has been measured…”
Get full text