Search Results - "Owens, Kayla A."

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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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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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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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

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…”
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

Resolved Near-infrared Stellar Photometry from the Magellan Telescope for 13 Nearby Galaxies: JAGB 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

“…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, NGC 300,…”
Get full text

Current Challenges in Cepheid Distance Calibrations Using Gaia EDR3 by Owens, Kayla A, Freedman, Wendy L, Madore, Barry F, Lee, Abigail J

“…Using parallaxes from Gaia Early Data Release 3 (EDR3), we determine multi-wavelength BVI, JHK, and [3.6] & [4.5] micron absolute magnitudes for 37 nearby…”
Get full text

A Preliminary Calibration of the JAGB Method Using Gaia EDR3 by Lee, Abigail J, Freedman, Wendy L, Madore, Barry F, Owens, Kayla A, Jang, In Sung

“…The recently-developed J-region Asymptotic Giant Branch (JAGB) method has extraordinary potential as an extragalactic standard candle, capable of calibrating…”
Get full text

The Astrophysical Distance Scale III: Distance to the Local Group Galaxy WLM using Multi-Wavelength 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-sigma,…”
Get full text

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

“…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 carbon…”
Get full text