Zobrazeno 91 - 100
of 112
pro vyhledávání: '"Howard Isaacson"'
Autor:
Jay Anderson, Debra A. Fischer, Gregory W. Henry, Jeff A. Valenti, Geoffrey W. Marcy, Jason T. Wright, Howard Isaacson, Andrew W. Howard, Nikolai Piskunov, John Asher Johnson
We report the discovery of planets orbiting two bright, nearby early K dwarf stars, HD 97658 and Gl 785. These planets were detected by Keplerian modelling of radial velocities measured with Keck-HIRES for the NASA-UC Eta-Earth Survey. HD 97658 b is
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::feca6c28478d759c758f16da06fd1202
https://resolver.caltech.edu/CaltechAUTHORS:20110414-085412339
https://resolver.caltech.edu/CaltechAUTHORS:20110414-085412339
Autor:
Howard Isaacson, Simon Albrecht, Andrew W. Howard, Gáspár Á. Bakos, Geoffrey W. Marcy, Joshua N. Winn, John Asher Johnson, Timothy D. Morton, Joel D. Hartman, Justin R. Crepp, Matthew J. Holman, Avi Shporer
Publikováno v:
Prof. Canizares via Mat Willmott
We present observations of the Rossiter-McLaughlin effect for two exoplanetary systems, revealing the orientations of their orbits relative to the rotation axes of their parent stars. HAT-P-4b is prograde, with a sky-projected spin-orbit angle of λ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c8a1c239b8a4cae59104d5e2a856a7a5
https://resolver.caltech.edu/CaltechAUTHORS:20110228-105841915
https://resolver.caltech.edu/CaltechAUTHORS:20110228-105841915
Autor:
Christopher E. Henze, Stephen T. Bryson, Sean McCauliff, Elliott P. Horch, David M. Kipping, Guillermo Torres, Philip S. Muirhead, Andrew W. Howard, Natalie M. Batalha, Rea Kolbl, Steve B. Howell, Geoffrey W. Marcy, Douglas A. Caldwell, Jon M. Jenkins, Francois Fressin, William J. Borucki, Joseph D. Twicken, Thomas Barclay, Sarah Ballard, Erik A. Petigura, Justin R. Crepp, Elisabeth R. Newton, Howard Isaacson, David R. Ciardi, Elisa V. Quintana, Mark E. Everett
Publikováno v:
The Astrophysical Journal. 800:99
We present an investigation of twelve candidate transiting planets from Kepler with orbital periods ranging from 34 to 207 days, selected from initial indications that they are small and potentially in the habitable zone (HZ) of their parent stars. F
Publikováno v:
The Astronomical Journal. 149:89
Autor:
Fabienne A. Bastien, Rea Kolbl, Stephen T. Bryson, Howard Isaacson, Christopher E. Henze, Lars A. Buchhave, Guillermo Torres, Geoffrey W. Marcy, David M. Kipping, Scott J. Kenyon, Keivan G. Stassun
Publikováno v:
The Astrophysical Journal. 795:25
In most theories of planet formation, the snow-line represents a boundary between the emergence of the interior rocky planets and the exterior ice giants. The wide separation of the snow-line makes the discovery of transiting worlds challenging, yet
Autor:
Geoffrey W. Marcy, John Asher Johnson, Kaspar von Braun, Tabetha S. Boyajian, Debra A. Fischer, Philip S. Muirhead, Andrew W. Howard, Howard Isaacson, Gregory W. Henry, Jason T. Wright, Juliette C. Becker
Publikováno v:
The Astrophysical Journal. 794:51
We report the discovery of a low-mass planet orbiting Gl 15 A based on radial velocities from the Eta-Earth Survey using HIRES at Keck Observatory. Gl 15 Ab is a planet with minimum mass Msini = 5.35 $\pm$ 0.75 M$_\oplus$, orbital period P = 11.4433
Autor:
Kimberly M. Star, Andrew W. Howard, Loic Albert, John DeVore, Saul Rappaport, Jonathan J. Fortney, Howard Isaacson, Jon M. Jenkins, Ronald L. Gilliland, Justin R. Crepp, Bryce Croll, Eugene Chiang, Alan M. Levine, Aldo S. Bonomo
Publikováno v:
Croll, B; Rappaport, S; Devore, J; Gilliland, RL; Crepp, JR; Howard, AW; et al.(2014). Multiwavelength observations of the candidate disintegrating sub-mercury KIC 12557548B. Astrophysical Journal, 786(2). doi: 10.1088/0004-637X/786/2/100. UC Santa Cruz: Retrieved from: http://www.escholarship.org/uc/item/0pd1352c
Astrophysical Journal, vol 786, iss 2
Astrophysical Journal, vol 786, iss 2
We present multiwavelength photometry, high angular resolution imaging, and radial velocities, of the unique and confounding disintegrating low-mass planet candidate KIC 12557548b. Our high angular resolution imaging, which includes spacebased HST/WF
Autor:
John Asher Johnson, Geoffrey W. Marcy, John M. Brewer, Howard Isaacson, Debra A. Fischer, Jason T. Wright, Justin R. Crepp, Andrew W. Howard
Publikováno v:
ResearcherID
The nearby Sun-like star HD 19467 shows a subtle radial velocity (RV) acceleration of -1.37+/-0.09 m/s/yr over an 16.9 year time baseline (an RV trend), hinting at the existence of a distant orbiting companion. We have obtained high-contrast adaptive
Autor:
Steve B. Howell, Joshua A. Carter, Lars A. Buchhave, Elliott P. Horch, Mikkel N. Lund, Mark E. Everett, William J. Chaplin, Roberto Sanchis-Ojeda, Howard Isaacson, David W. Latham, Rebekah I. Dawson, Geoffrey W. Marcy, Ronald L. Gilliland, Andrew W. Howard, Guy R. Davies, Tiago L. Campante, Debra A. Fischer, John C. Geary, Joshua N. Winn, Simon Albrecht, Guillermo Torres, John Asher Johnson
Publikováno v:
Sanchis-Ojeda, R, Winn, J N, Marcy, G W, Howard, A W, Isaacson, H, Johnson, J A, Torres, G, Albrecht, S, Campante, T L, Chaplin, W J, Davies, G R, Lund, M N, Carter, J A, Dawson, R I, Buchhave, L A, Everett, M E, Fischer, D A, Geary, J C, Gilliland, R L, Horch, E P, Howell, S B & Latham, D W 2013, ' KEPLER-63b : A giant planet in a polar orbit around a young sun-like star ', Astrophysical Journal, vol. 775, no. 1 . https://doi.org/10.1088/0004-637X/775/1/54
arXiv
arXiv
We present the discovery and characterization of a giant planet orbiting the young Sun-like star Kepler-63 (KOI-63, m [subscript Kp] = 11.6, T [subscript eff] = 5576 K, M [star] = 0.98 M [subscript ☉]). The planet transits every 9.43 days, with app
Autor:
John Asher Johnson, Simon Albrecht, Geoffrey W. Marcy, Joshua N. Winn, Howard Isaacson, Andrew W. Howard
Publikováno v:
arXiv
We measure the sky-projected stellar obliquities (λ) in the multiple-transiting planetary systems KOI-94 and Kepler-25, using the Rossiter-McLaughlin effect. In both cases, the host stars are well aligned with the orbital planes of the planets. For