Collected photometric and polarimetric observations of HD 199178

Details Collected photometric and polarimetric observations of HD 199178 Collected photometric and polarimetric observations of HD 199178

Oct 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990a%26as...85..813j&link_type=abstract

Astronomy and Astrophysics Supplement Series (ISSN 0365-0138), vol. 85, no. 2, Oct. 1990, p. 813-837. Research supported by the

Astronomy and Astrophysics

Astrophysics

5

G Stars, Giant Stars, K Stars, Polarimetry, Stellar Spectrophotometry, Variable Stars, Light Curve, Stellar Color, Stellar Magnitude, Stellar Rotation, Ubv Spectra

Scientific paper

The collected photometric observations of the FK Comae-type star HD 199178 extending from 1975 to 1989 are presented. All observations are transformed to the standard Johnson UBVRI-system. An improved ephemeris is determined from the photometry, and the light curve and color index curve fits are derived. The collected polarimetric observations from 1981 to 1988 and the second-order Fourier fits of these observations are also given. A detailed description of the methods used in combining the new and previously published photometry and polarimetry is given with the aim of establishing a firm basis for long-term studies of this object.

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