BINARY STARS OBSERVED WITH ADAPTIVE OPTICS AT THE STARFIRE OPTICAL RANGE

In reviewing observations taken of binary stars used as calibration objects for non-astronomical purposes with adaptive optics on the 3.5 m Starfire Optical Range telescope over the past 2 years, one-fifth of them were found to be off-orbit. In order to understand such a high number of discrepant po...

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Published in:The Astronomical journal 2014-03, Vol.147 (3), p.1-10
Main Author: Drummond, Jack D
Format: Article
Language:English
Subjects:
Adaptive optics
Astronomical bodies
Astronomical instruments
ASTROPHYSICS, COSMOLOGY AND ASTRONOMY
BINARY STARS
CALIBRATION
COMPUTER-AIDED MANUFACTURING
Double stars
Naval
ORBITS
TELESCOPES
VISIBLE RADIATION
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creator Drummond, Jack D
description In reviewing observations taken of binary stars used as calibration objects for non-astronomical purposes with adaptive optics on the 3.5 m Starfire Optical Range telescope over the past 2 years, one-fifth of them were found to be off-orbit. In order to understand such a high number of discrepant position angles and separations, all previous observations in the Washington Double Star Catalog for these rogue binaries were obtained from the Naval Observatory. Adding our observations to these yields new orbits for all, resolving the discrepancies. We have detected both components of gamma Gem for the first time, and we have shown that 7 Cam is an optical pair, not physically bound.
doi_str_mv 10.1088/0004-6256/147/3/65
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source DOAJ Directory of Open Access Journals
subjects Adaptive optics
Astronomical bodies
Astronomical instruments
ASTROPHYSICS, COSMOLOGY AND ASTRONOMY
BINARY STARS
CALIBRATION
COMPUTER-AIDED MANUFACTURING
Double stars
Naval
ORBITS
TELESCOPES
VISIBLE RADIATION
title BINARY STARS OBSERVED WITH ADAPTIVE OPTICS AT THE STARFIRE OPTICAL RANGE
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