Výsledky vyhledávání - "S. L. Hoffmann"

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Significant luminosity differences of two twin Type Ia supernovae

Autor: S. L. Hoffmann, Lucas M. Macri, Ryan J. Foley, Adam G. Riess, Alexei V. Filippenko, Peter Milne, Peter J. Brown, Melissa L. Graham

Publikováno v: Monthly Notices of the Royal Astronomical Society. 491:5991-5999

The Type Ia supernovae (SNe Ia) 2011by, hosted in NGC 3972, and 2011fe, hosted in M101, are optical "twins," having almost identical optical light-curve shapes, colours, and near-maximum-brightness spectra. However, SN 2011fe had significantly more u

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e0cdf235c27a12acbb170e182d518b48
https://doi.org/10.1093/mnras/stz3324

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The Cepheid distance to the narrow-line Seyfert 1 galaxy NGC 4051

Autor: R. W. Pogge, C. J. Grier, Gagandeep S. Anand, Wenlong Yuan, G. De Rosa, Bradley M. Peterson, E. Dalla Bontà, Misty C. Bentz, Marianne Vestergaard, Laura Ferrarese, Lucas M. Macri, Ric Davies, E. K. S. Hicks, Thaisa Storchi-Bergmann, Adam G. Riess, Michael Fausnaugh, Christopher A. Onken, S. L. Hoffmann

We derive a distance of $D = 16.6 \pm 0.3$~Mpc ($\mu=31.10\pm0.04$~mag) to the archetypal narrow-line Seyfert 1 galaxy NGC 4051 based on Cepheid Period--Luminosity relations and new Hubble Space Telescope multiband imaging. We identify 419 Cepheid ca

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c6141a0a6e82c23891a0859aa7f278cb
https://doi.org/10.3847/1538-4357/abf24a

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Body and Pectoral Fin Kinematics During Routine Yaw Turning in Bonnethead Sharks (

Autor: S L, Hoffmann, M E, Porter

Publikováno v: Integrative Organismal Biology

Maneuvering is a crucial locomotor strategy among aquatic vertebrates, common in routine swimming, feeding, and escape responses. Combinations of whole body and fin movements generate an imbalance of forces resulting in deviation from an initial path

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::3115b0c0960728a9dd893b2eadcd1546
https://pubmed.ncbi.nlm.nih.gov/33791529

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The Cepheid Distance to the Seyfert 1 Galaxy NGC 4151

Autor: Bradley M. Peterson, E. Dalla Bontà, Laura Ferrarese, Christopher A. Onken, S. L. Hoffmann, Wenlong Yuan, J. S. Brown, Lucas M. Macri, Ric Davies, E. K. S. Hicks, G. De Rosa, C. J. Grier, Marianne Vestergaard, Thaisa Storchi-Bergmann, Richard W. Pogge, Misty C. Bentz, Adam G. Riess, Michael Fausnaugh

Publikováno v: Yuan, W, Fausnaugh, M M, Hoffmann, S L, Macri, L M, Peterson, B M, Riess, A G, Bentz, M C, Brown, J S, Dalla Bonta, E, Davies, R, De Rosa, G, Ferrarese, L, Grier, C J, Hicks, E K S, Onken, C A, Pogge, R W, Storchi-Bergmann, T & Vestergaard, M 2020, ' The Cepheid Distance to the Seyfert 1 Galaxy NGC 4151 ', Astrophysical Journal, vol. 902, no. 1, 26 . https://doi.org/10.3847/1538-4357/abb377

We derive a distance of $15.8\pm0.4$ Mpc to the archetypical Seyfert 1 galaxy NGC 4151 based on the near-infrared Cepheid Period-Luminosity relation and new Hubble Space Telescope multiband imaging. This distance determination, based on measurements

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::280fbb62a5eec7b9e9ab4dc7c0261edd
https://doi.org/10.3847/1538-4357/abb377

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Hubble Space Telescope Observations of Mira Variables in the SN Ia Host NGC 1559: An Alternative Candle to Measure the Hubble Constant

Autor: Lucas M. Macri, S. L. Hoffmann, Alexei V. Filippenko, Daniel Scolnic, Patricia A. Whitelock, Nadia L. Zakamska, Adam G. Riess, Stefano Casertano, Wenlong Yuan, Caroline Huang

Publikováno v: The Astrophysical Journal. 889:5

We present year-long, near-infrared Hubble Space Telescope WFC3 observations used to search for Mira variables in NGC 1559, the host galaxy of the Type Ia supernova (SN Ia) 2005df. This is the first dedicated search for Miras, highly-evolved low-mass

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b7d91728e404b577abfb2741e6fd73f0
https://doi.org/10.3847/1538-4357/ab5dbd

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Induction of tolerance to heart allografts in rats using posttransplant total lymphoid irradiation and anti-T cell antibodies

Autor: S L, Woodley, K E, Gurley, S L, Hoffmann, M R, Nicolls, R, Hagberg, C, Clayberger, B, Holm, X, Wang, B M, Hall, S, Strober

Publikováno v: Transplantation. 56(6)

This study examined whether posttransplant anti-T cell monoclonal or polyclonal antibody therapy could provide a window of treatment to allow posttransplant total lymphoid irradiation (TLI) to induce tolerance. These experiments were conducted in a h

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::0d78720e9c084e02410d525b3eb21899
https://pubmed.ncbi.nlm.nih.gov/8279017

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Akademický článek

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Akademický článek

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