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Title:
Spectrophotometry with a self-scanned silicon photodiode array. II - Secondary standard stars
Authors:
Cochran, A. L.
Affiliation:
AA(McDonald Observatory; Texas, University, Austin, Tex.)
Publication:
Astrophysical Journal Supplement Series, vol. 45, Jan. 1981, p. 83-96. (ApJS Homepage)
Publication Date:
01/1981
Category:
Astronomy
Origin:
STI
NASA/STI Keywords:
Early Stars, Photodiodes, Radiant Flux Density, Reference Stars, Stellar Spectrophotometry, Silicon Radiation Detectors, Tables (Data)
DOI:
10.1086/190708
Bibliographic Code:
1981ApJS...45...83C

Abstract

Spectrophotometric observations of 16 early-type stars are reported; a Reticon photodioide array was used to obtain flux distributions at 40-A resolution from 4650 to 10,000 A. Extinction corrections were determined nightly from multiple observations of appropriate stars. The observations were reduced to Hayes' and Latham's (1975) flux scale for Alpha Lyrae by means of nightly observation of that star. The observations are shown to be sufficiently accurate for use as secondary spectrophotometric standards.

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