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  • ASTRONOMY  (1)
  • Lunar and Planetary Science and Exploration  (1)
  • Optics  (1)
  • 2000-2004  (2)
  • 1980-1984  (1)
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  • 1
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    Detection of binaries with projected separations as large as 0.1 parsec (1984)
    In:  Other Sources
    Details
    Publikationsdatum: 2019-06-28
    Beschreibung: Repeated, accurate radial velocity measurements have been made of the 19 candidate wide binary stellar pairs of Bahcall and Soneira. There are 16 unambiguous cases of which six pairs are physical binaries. Projected separations of the binaries are estimated using the observed angular separations and well-determined spectroscopic parallaxes. The projected separations vary from about 0.002 pc to 0.08 pc. This validation of the statistical techniques used in identifying the candidate wide binaries opens up the possibility of large-scale systematic studies of the characteristics of wide binaries.
    Schlagwort(e): ASTRONOMY
    Materialart: Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X); 281; L41-L45
    Format: text
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    NASA TECHNICAL REPORTS
  • 2
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    Kepler Ground-Based Photometry Proof-of-Concept (2004)
    In:  CASI
    Details
    Publikationsdatum: 2019-07-10
    Beschreibung: We report on our efforts to evaluate the feasibility of using the 4-Shooter CCD camera on the 48-inch reflector at the Whipple Observatory to carry out a multi-band photometric survey of the Kepler target region. We also include recommendations for future work. We were assigned 36 nights with the &hooter during 2003 for this feasibility study. Most of the time during the first two dozen nights was dedicated to the development of procedures, test exposures, and a reconnaissance across the Kepler field. The final 12 nights in September and October 2003 were used for "production" observing in the middle of the Kepler field using the full complement of seven filters (SDSS u, g, r, i, z, plus our special Gred and D51 intermediate-band filters). Nine of these 12 nights were clear and photometric, and production observations were obtained at 109 pointings, corresponding to 14.6 square degrees.
    Schlagwort(e): Optics
    Format: text
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    NASA TECHNICAL REPORTS
  • 3
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    Overview and Status of the Kepler Mission (2003)
    In:  Other Sources
    Details
    Publikationsdatum: 2019-07-18
    Beschreibung: The Kepler Mission is a search for terrestrial planets with the design optimized for detecting Earth-size planets in the habitable zone (HZ) of solar-like stars. In addition, the mission has a broad detection capability for a wide range of planetary sizes, planetary orbits and spectral types of stars. The mission is in the midst of the development phase with good progress leading to the preliminary design review later this year. Long lead procurements are well under way. An overview in all areas is presented including both the flight system (photometer and spacecraft) and the ground system. Launch is on target for 2007 on a Delta II.
    Schlagwort(e): Lunar and Planetary Science and Exploration
    Materialart: SPIE Symposium on Astronomical Telescopes and Instrumentation; Jun 21, 2004 - Jun 25, 2004; Glasgow, Scotland; United Kingdom
    Format: text
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
    NASA TECHNICAL REPORTS
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