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Low-resolution ultraviolet spectroscopy of several hot stars observed from Apollo 17 (1975)

Weinstein, A. ; Fastie, W. G. ; Henry, R. C. ; [et al.]

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Publication Date: 2019-06-27

Description: Low-resolution ultraviolet spectra were obtained for six early-type stars in 1972 December, using an Ebert spectrometer mounted in the service module of the Apollo 17 spacecraft. The spectrometer scanned from 1180 A to 1680 A, with a speed that varied with wavelength according to a program chosen for lunar studies. Spectral resolution was 11 A. The ultraviolet absolute calibration of the instrument was determined by comparison with National Bureau of Standards calibrated photodiodes, and is believed known to plus or minus 10 percent. The absolute intensities are in good general agreement with the observations of other stars and with the predictions of stellar model-atmosphere calculations.

Keywords: ASTROPHYSICS

Type: Astrophysical Journal; 201; Nov. 1

Format: text

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