Abstract
view Abstract Citations References Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS A stellar photometer for the infrared. Miczaika, G. R. ; Lovell, D. J. Abstract In a stellar photometer for the infrared recently developed at the Harvard College Observatory a lead sulfide cell generates an ac signal corresponding to the stellar intensity alone by nutating the image on a specially designed cell. The amplifier outputs are synchronously converted by phase-sensitive detectors and fed through RC filters in push-pull fashion into a vacuum tube voltmeter with a chart recorder following. The system also develops a guiding-error signal used to refer corrections to the telescope guiding. Harvard College Observatory, Cambridge, Mass., Allied Research Associates, Inc., Boston, Mass. Publication: The Astronomical Journal Pub Date: 1957 DOI: 10.1086/107651 Bibcode: 1957AJ.....62S..27M full text sources ADS |
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