Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Keith A. Havey"'
Autor:
Kelly A. Henderson-Nelson, Michael S. Woronowicz, Joseph O. Ward, Eve M. Wooldridge, Carl Reis, Jesse A. Huguet, Keith A. Havey
Publikováno v:
Space Systems Contamination: Prediction, Control, and Performance 2022.
Publikováno v:
Astronomical Optics: Design, Manufacture, and Test of Space and Ground Systems II.
The Chandra X-ray Observatory has been operating successfully on orbit for 20 years, providing outstanding astrophysics data to the science community. The telescope’s mission life has been extended well past its required five years due to the robus
Autor:
Douglas A. Swartz, Jonathan W. Arenberg, Mark L. Schattenburg, Jessica A. Gaskin, Harvey Tananbaum, Eric D. Schwartz, William R. Purcell, A. Falcone, Randall L. McEntaffer, Kiranmayee Kilaru, Daniel A. Schwartz, William W. Zhang, Paul B. Reid, Mark D. Freeman, M. Civitani, Kevin S. McCarley, Megan E. Eckart, Simon R. Bandler, Giovanni Pareschi, Alexey Vikhlinin, Hans Moritz Günther, Mark W. Bautz, Ralph P. Kraft, Grant R. Tremblay, Feryal Özel, A. Domínguez, John ZuHone, Enectali Figueroa-Feliciano, Keith A. Havey, Karen Gelmis, Ralf K. Heilmann
Publikováno v:
Journal of Astronomical Telescopes, Instruments, and Systems. 5:1
Lynx, one of the four strategic mission concepts under study for the 2020 Astrophysics Decadal Survey, provides leaps in capability over previous and planned x-ray missions and provides synergistic observations in the 2030s to a multitude of space- a
Autor:
Thomas R. Scorse, Sharon Lunt, John A. Spina, James B. Hadaway, Juli A. Lander, Lee Feinberg, Mark F. Voyton, Ritva A. M. Keski-Kuha, Jesse A. Huguet, Chanda Walker, Tony Whitman, Conrad Wells, Keith A. Havey, Darin M. Noel, Gary W. Matthews, James M. Marsh
Publikováno v:
SPIE Proceedings.
In 2014, the Optical Ground Support Equipment was integrated into the large cryo vacuum chamber at Johnson Space Center (JSC) and an initial Chamber Commissioning Test was completed. This insured that the support equipment was ready for the three Pat
Autor:
Keith A. Havey, Tony L. Whitman, Stephen C. Hope, Randolph Hammond, Joe D. Orndorff, Stephen A. Smee, Thomas Scorse
Publikováno v:
Space Telescopes and Instrumentation 2012: Optical, Infrared, and Millimeter Wave.
The James Webb Space Telescope will undergo a full system test in the cryogenic vacuum chamber A at the Johnson Spaceflight Center in order to verify the overall performance of the combined telescope and instrument suite. This will be the largest and
Autor:
Keith A. Havey
Publikováno v:
Transactions of the American Fisheries Society. 103:1-9
Mean standing crop of 5 brood years of age 0+ salmon prior to regulation of stream flows was estimated for each kg of female spawners/ha. Estimate was 20.1 fish/ha weighing 0.035 kg. Mean standing crop of 5 brood years of age 0+ salmon for each kg of
Autor:
Keith A. Havey, Philip S. Andrews
Publikováno v:
Transactions of the American Fisheries Society. 102:728-738
Landlocked salmon, Salmo salar, were introduced into Schoodic Lake, Washington County, Maine in 1960. From 1963–70 we studied nine groups of stocked salmon to obtain information on survival, standing crops, the salmon sport fishery, and population
Autor:
Keith A. Havey
Publikováno v:
Transactions of the American Fisheries Society. 109:502-510
Four groups of age-I+ fall yearling Atlantic salmon (Salmo salar) were planted at Long Pond, Mount Desert Island, Maine between 1952 and 1969 to evaluate relationships between stocking rate, growth, and yield, the latter determined from randomly stra
Autor:
Keith A. Havey, David O. Locke
Publikováno v:
Transactions of the American Fisheries Society. 109:282-286
An intensive ice-fishing creel census was operated at Eagle Lake, Bar Harbor, Maine, during February and March 1977 to evaluate angler catch from 5,400 age-I+ brook trout (Salvelinus fontinalis) stocked on 1 November 1976. A Leslie population estimat
Autor:
Keith A. Havey
Publikováno v:
Journal of Spacecraft and Rockets. 19:506-512