Abstract

view Abstract Citations (1) References (14) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Atmospheric and Temperature Effects on Differential Photoelectric Photometry Kim, Hee-Soo ; Park, Hong-Suh Abstract The largest systematic errors in differential photoelectric photometry are the atmospheric effect and the temperature effect arising from the color difference between program star and comparison star. In the case of AR Lac, the maximum difference in magnitude found by using individual extinction coefficients of comparison star and check star proved to be about 0.05 mag. These results strongly suggest that the correction of secondary extinction effects in differential photoelectric photometry is very important. The temperature coefficient of the whole photometer is larger than 0.0012 mag/C. This means that the temperature effect must be considered to avoid systematic errors when the temperature variation is above 10 C. Publication: The Astronomical Journal Pub Date: October 1993 DOI: 10.1086/116757 Bibcode: 1993AJ....106.1679K Keywords: Astronomical Photometry; Atmospheric Attenuation; Interstellar Extinction; Light Curve; Temperature Effects; Atmospheric Correction; Instrument Errors; Optical Filters; Stellar Color; Astronomy; ATMOSPHERIC EFFECTS; TECHNIQUES: PHOTOMETRIC; Clusters: open; Photometry: CCD (Las Campanas data) full text sources ADS | data products SIMBAD (3)

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