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- U.S. Naval Observatory Flagstaff StationUS242 papers
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5 papers · 2 filters
The Fourth US Naval Observatory CCD Astrograph Catalog (UCAC4)
Norbert Zacharias, Charlie Finch, Terry Girard +4
The fourth United States Naval Observatory (USNO) CCD Astrograph Catalog, UCAC4 was released in August 2012 (double-sided DVD and CDS data center Vizier catalog I/322). It is the f…
The Ninth Data Release of the Sloan Digital Sky Survey: First Spectroscopic Data from the SDSS-III Baryon Oscillation Spectroscopic Survey
III Collaboration, Christopher P. Ahn, Rachael Alexandroff +224
The Sloan Digital Sky Survey III (SDSS-III) presents the first spectroscopic data from the Baryon Oscillation Spectroscopic Survey (BOSS). This ninth data release (DR9) of the SDSS…
Correlated and zonal errors of global astrometric missions: a spherical harmonic solution
V. V. Makarov, B. N. Dorland, R. A. Gaume +4
We propose a computer-efficient and accurate method of estimation of spatially correlated errors in astrometric positions, parallaxes and proper motions obtained by space and groun…
The search for habitable worlds: 1. The viability of a starshade mission
Margaret C. Turnbull, Tiffany Glassman, Aki Roberge +6
As part of NASA's mission to explore habitable planets orbiting nearby stars, this paper explores the detection and characterization capabilities of a 4-m space telescope plus 50-m…
Inter-Pixel Crosstalk in Teledyne Imaging Sensors (TIS) H4RG-10 Detectors
R. P. Dudik, M. Jordan, B. N. Dorland +7
CMOS-hybrid arrays have recently surfaced as competitive optical detectors for use in ground- and space-based astronomy. One source of error in these detectors that does not appear…