Search Results - "Townes, C. H"
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First Surface-resolved Results with the Infrared Optical Telescope Array Imaging Interferometer: Detection of Asymmetries in Asymptotic Giant Branch Stars
Published in The Astrophysical journal (20-11-2006)“…We have measured nonzero closure phases for about 29% of our sample of 56 nearby asymptotic giant branch (AGB) stars, using the three-telescope Infrared…”
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2
A Systematic Change with Time in the Size of Betelgeuse
Published in The Astrophysical journal (01-06-2009)Get full text
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3
High-Resolution Imaging of Dust Shells by Using Keck Aperture Masking and the IOTA Interferometer
Published in The Astrophysical journal (10-04-2004)“…We present first results of an experiment to combine data from Keck aperture masking and the Infrared-Optical Telescope Array to image the circumstellar…”
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4
Characterization of Dust Shell Dynamics and Asymmetry for Six Mira-Type Stars
Published in The Astrophysical journal (20-11-2006)“…Interferometric observations of six Mira-type stars: R Aqr, CIT 3, j Cyg, W Aql, R Leo, and U Ori are reported. All measurements were made by UC Berkeley's…”
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[C II] 158 Micron Observations of IC 10: Evidence for Hidden Molecular Hydrogen in Irregular Galaxies
Published in The Astrophysical journal (01-07-1997)Get full text
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6
The Nonspherical Shape of Betelgeuse in the Mid-Infrared
Published in The Astrophysical journal (20-11-2007)“…Three-telescope Interferometric observations from the Infrared Spatial Interferometer (ISI) are reported at spatial frequencies that resolve the size and shape…”
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Asymmetries and Outflows in the Circumstellar Dust of Mira A
Published in The Astrophysical journal (01-12-2007)“…Asymmetries and motions in the dust shell surrounding Mira A (o Ceti) are reported. Measurements were taken with the UC Berkeley Infrared Spatial…”
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8
Changes in Apparent Size of Giant Stars with Wavelength due to Electron-Hydrogen Collisions
Published in The Astrophysical journal (20-06-2006)“…Interferometric measurements of stellar sizes in frequency bands ranging from the near-infrared to longer wavelengths give different results. Various…”
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The Evolving Shapes of o Ceti and R Leonis
Published in The Astrophysical journal (20-12-2008)“…The sizes and shapes of the stars o Ceti and R Leonis have been measured in the mid-infrared. The observations were made using the UC Berkeley Infrared Spatial…”
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10
The Dust Distribution Immediately Surrounding V Hydrae
Published in Publications of the Astronomical Society of the Pacific (01-12-2011)“…Dust surrounding the star V Hydrae has been measured at a 11.15 μm wavelength using the three-telescope Infrared Spatial Interferometer (ISI). The narrowband…”
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11
Asymptotic Giant Branch and Supergiant Stellar Diameters in the Mid-Infrared
Published in The Astrophysical journal (01-06-2003)Get full text
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12
The Berkeley Infrared Spatial Interferometer: A Heterodyne Stellar Interferometer for the Mid-Infrared
Published in The Astrophysical journal (10-07-2000)Get full text
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13
Interferometry on Mira in the Mid-Infrared: Cyclic Variability of the Continuum Diameter and the Effect of Spectral Lines on Apparent Size
Published in The Astrophysical journal (10-05-2003)Get full text
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14
Imaging the Disk around the Luminous Young Star LkHα 101 with Infrared Interferometry
Published in The Astrophysical journal (01-10-2002)Get full text
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15
Mid-Infrared Interferometry on Spectral Lines. III. Ammonia and Silane around IRC +10216 and VY Canis Majoris
Published in The Astrophysical journal (10-11-2000)Get full text
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16
The Potential for Atmospheric Path Length Compensation in Stellar Interferometry
Published in The Astrophysical journal (01-02-2002)Get full text
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17
Physical Conditions, Dynamics, and Mass Distribution in the Center of the Galaxy
Published in Annual review of astronomy and astrophysics (01-09-1987)Get full text
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18
The Asymmetric Dust Environment of IK Tauri
Published in The Astrophysical journal (10-01-2006)Get full text
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The Non-uniform, Dynamic Atmosphere of Betelgeuse Observed at Mid-infrared Wavelengths
Published in The Astrophysical journal (10-10-2011)“…We present an interferometric study of the continuum surface of the red supergiant star Betelgeuse at 11.15 Delta *mm wavelength, using data obtained with the…”
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The Keck Aperture Masking Experiment: Spectro-Interferometry of Three Mira Variables from 1.1 to 3.8 μm
Published in The Astrophysical journal (01-02-2009)Get full text
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