Zobrazeno 1 - 10
of 587
pro vyhledávání: '"Williams, Stephen J"'
Autor:
Schneider, Adam C., Cushing, Michael C., Stiller, Robert A., Munn, Jeffrey A., Vrba, Frederick J., Bruursema, Justice, Williams, Stephen J., Liu, Michael C., Bravo, Alexia, Faherty, Jacqueline K., Rothermich, Austin, Calamari, Emily, Caselden, Dan, Kabatnik, Martin, Sainio, Arttu, Bickle, Thomas P., Pendrill, William, Andersen, Nikolaj Stevnbak, Thevenot, Melina
We have used the UKIRT Hemisphere Survey (UHS) combined with the UKIDSS Galactic Cluster Survey (GCS), the UKIDSS Galactic Plane Survey (GPS), and the CatWISE2020 catalog to search for new substellar members of the nearest open cluster to the Sun, th
Externí odkaz:
http://arxiv.org/abs/2408.10112
Autor:
Schneider, Adam C., Munn, Jeffrey A., Vrba, Frederick J., Bruursema, Justice, Dahm, Scott E., Williams, Stephen J., Liu, Michael C., Dorland, Bryan N.
We present positions, proper motions, and near-infrared photometry for 966 known objects with spectral types later than M observed as part of the the UKIRT Hemisphere Survey (UHS). We augment the photometry and astrometry from UHS with information fr
Externí odkaz:
http://arxiv.org/abs/2307.11882
Autor:
Schneider, Adam C., Burgasser, Adam J., Bruursema, Justice, Munn, Jeffrey A., Vrba, Frederick J., Caselden, Dan, Kabatnik, Martin, Rothermich, Austin, Sainio, Arttu, Bickle, Thomas P., Dahm, Scott E., Meisner, Aaron M., Kirkpatrick, J. Davy, Suarez, Genaro, Gagne, Jonathan, Faherty, Jacqueline K., Vos, Johanna M., Kuchner, Marc J., Williams, Stephen J., Gagliuffi, Daniella Bardalez, Aganze, Christian, Hsu, Chih-Chun, Theissen, Christopher, Cushing, Michael C., Marocco, Federico, Casewell, Sarah, Worlds, the Backyard, Collaboration, Planet 9
We present the discovery of CWISE J050626.96$+$073842.4 (CWISE J0506$+$0738), an L/T transition dwarf with extremely red near-infrared colors discovered through the Backyard Worlds: Planet 9 citizen science project. Photometry from UKIRT and CatWISE
Externí odkaz:
http://arxiv.org/abs/2301.02322
Autor:
Schneider, Adam C., Vrba, Frederick J., Munn, Jeffrey A., Dahm, Scott E., Bruursema, Justice, Williams, Stephen J., Dorland, Byran N., Faherty, Jacqueline K., Rothermich, Austin, Calamari, Emily, Cushing, Michael C., Caselden, Dan, Kabatnik, Martin, Pendrill, William, Sainio, Arttu, Andersen, Nikolaj Stevnbak, Tanner, Christopher
We have used data from the UKIRT Hemisphere Survey (UHS) to search for substellar members of the Hyades cluster. Our search recovered several known substellar Hyades members, and two known brown dwarfs that we suggest may be members based on a new ki
Externí odkaz:
http://arxiv.org/abs/2203.11090
Akademický článek
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Autor:
Shahidi, Neal, Vosko, Sergei, Gupta, Sunil, Whitfield, Anthony, Cronin, Oliver, O’Sullivan, Timothy, van Hattem, W. Arnout, Sidhu, Mayenaaz, Tate, David J., Lee, Eric Y.T., Burgess, Nicholas, Williams, Stephen J., Bourke, Michael J.
Publikováno v:
In Clinical Gastroenterology and Hepatology January 2023 21(1):72-80
Akademický článek
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Eclipsing binaries are vital for directly determining stellar parameters without reliance on models or scaling relations. Spectroscopically derived parameters of detached and semi-detached binaries allow us to determine component masses that can info
Externí odkaz:
http://arxiv.org/abs/1710.03840
Autor:
Bar-Yishay, Iddo, Shahidi, Neal, Gupta, Sunil, Vosko, Sergei, van Hattem, W. Arnout, Schoeman, Scott, Sidhu, Mayenaaz, Tate, David J., Hourigan, Luke F., Singh, Rajvinder, Moss, Alan, Raftopoulos, Spiro C., Brown, Gregor, Zanati, Simon, Heitman, Steven J., Lee, Eric Y.T., Burgess, Nicholas, Williams, Stephen J., Byth, Karen, Bourke, Michael J.
Publikováno v:
In Clinical Gastroenterology and Hepatology February 2022 20(2):e139-e147