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A New Calibration Of Galactic Cepheid Period-Luminosity Relations From B To K Bands, And A Comparison To LMC Relations
- P. Fouqué, P. Arriagada, +8 authors B. Mcarthur
- Physics
- 20 September 2007
Context. The universality of the Cepheid Period-Luminosity relations has been under discussion since metallicity effects have been assumed to play a role in the value of the intercept and, more… Expand
COLDER AND HOTTER: INTERFEROMETRIC IMAGING OF β CASSIOPEIAE AND α LEONIS
- X. Che, J. Monnier, +9 authors L. Sturmann
- Physics
- 4 May 2011
Near-infrared interferometers have recently imaged a number of rapidly rotating A-type stars, finding levels of gravity darkening inconsistent with theoretical expectations. Here, we present new… Expand
First Results from the CHARA Array. VII. Long-Baseline Interferometric Measurements of Vega Consistent with a Pole-On, Rapidly Rotating Star
- J. Aufdenberg, A. Mérand, +10 authors N. Turner
- Physics
- 13 March 2006
We have obtained high-precision interferometric measurements of Vega with the CHARA Array and FLUOR beam combiner in the K’ band at projected baselines between 103m and 273m. The measured visibility… Expand
Circumstellar material in the Vega inner system revealed by CHARA/FLUOR
- O. Absil, E. Folco, +11 authors H. Mcalister
- Physics
- 12 April 2006
Context. Only a handful of debris disks have been imaged up to now. Due to the need for high dynamic range and high angular resolution, very little is known about the inner planetary region, where… Expand
A catalog of bright calibrator stars for 200-m baseline near-infrared stellar interferometry
- A. Mérand, P. Bordé, V. C. Foresto
- Physics
- 10 December 2004
We present in this paper a catalog of reference stars suitable for calibrating infrared interferometric observations. In the K band, visibilities can be calibrated with a precision of 1% on baselines… Expand
IMAGING AND MODELING RAPIDLY ROTATING STARS: α CEPHEI AND α OPHIUCHI
- Ming Zhao, J. Monnier, +18 authors Noao
- Physics
- 12 June 2009
We present submilliarcsecond resolution imaging and modeling of two nearby rapid rotators α Cephei and α Ophiuchi, obtained with the CHARA array—the largest optical/IR interferometer in the world.… Expand
Extended envelopes around Galactic Cepheids. II. Polaris and delta Cephei from near-infrared interfe
- A. Mérand, P. Kervella, +9 authors D. Berger
- Physics
- 1 July 2006
We present the results of long-baseline interferometric observations of the classical Cepheids Polaris and δ Cep in the near infrared K' band (1.9-2.3 μ m), using the FLUOR instrument of the CHARA… Expand
EVIDENCE FOR VERY EXTENDED GASEOUS LAYERS AROUND O-RICH MIRA VARIABLES AND M GIANTS
- B. Mennesson, G. Perrin, +10 authors M. Lacasse
- Physics
- 1 November 2002
Nine bright O-rich Mira stars and five semiregular variable cool M giants have been observed with the Infrared and Optical Telescope Array (IOTA) interferometer in both K 0 (� 2.15 lm) and L 0 (� 3.8… Expand
CHARA Array K'-Band Measurements of the Angular Dimensions of Be Star Disks
- D. Gies, W. Bagnuolo, +23 authors P. Koubský
- Physics
- 18 September 2006
We present the firstK 0 -band,long-baseline interferometric observations of the northern Be starsCas,� Per,� Tau, andDra. The measurements were made with multiple telescope pairs of the CHARA Array… Expand
First Results from the CHARA Array. IV. The Interferometric Radii of Low-Mass Stars
We have measured the angular diameters of six M dwarfs with the CHARA Array, a long-baseline optical interferometer located at Mount Wilson Observatory. Spectral types range from M1.0 V to M3.0 Vand… Expand
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