IRMA - A PROTOTYPE INFRARED MICHELSON STELLAR INTERFEROMETER

Authors
DYCK HM BENSON JA RIDGWAY ST
Citation
Hm. Dyck et al., IRMA - A PROTOTYPE INFRARED MICHELSON STELLAR INTERFEROMETER, Publications of the Astronomical Society of the Pacific, 105(688), 1993, pp. 610-615
Citations number
20
Categorie Soggetti
Astronomy & Astrophysics
Journal title
Publications of the Astronomical Society of the Pacific
ISSN journal
00046280 → ACNP
Volume
105
Issue
688
Year of publication
1993
Pages
610 - 615
Database
ISI
SICI code
0004-6280(1993)105:688<610:I-APIM>2.0.ZU;2-N
Abstract
We describe a prototype near-infrared Michelson stellar interferometer used to estimate stellar diameters by measuring visibility amplitudes . In particular, details are given for the performance of the device, including the stability, limiting sensitivity, and sources of errors i n the visibility amplitudes. We compare the results for stars measured in common with the French interferometer at CERGA. An improved diamet er for the red supergiant Alpha Herculis is also presented.