A study of the effect of temperature on differential photoelectric photometry

Details A study of the effect of temperature on differential photoelectric photometry A study of the effect of temperature on differential photoelectric photometry

Jun 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989aj.....97.1807p&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 97, June 1989, p. 1807-1813. Research supported by the Korea Science and Engineering

Astronomy and Astrophysics

Astronomy

Ambient Temperature, Astronomical Photometry, Electrophotometry, Stellar Magnitude, Temperature Effects, Black Body Radiation, Optical Filters, Phototubes

Scientific paper

The effect of a change of ambient temperature on the differential photometry with an unrefrigerated phototube was investigated. Photoelectric observation of an A2 and a G5 star yielded a linear relation between the change in the differential magnitude and the ambient temperature. The values of the coefficients are 0.0014 and 0.0013 mag/C for the instrumental yellow and blue observations, respectively.

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