Some Remarks regarding Photoelectric Photometry

Details Some Remarks regarding Photoelectric Photometry Some Remarks regarding Photoelectric Photometry

May 1970

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1970bott....5..209m&link_type=abstract

Boletín de los Observatorios de Tonantzintla y Tacubaya Vol. 5, pp. 209-212 (1970) (http://www.astroscu.unam.mx/~bott/)

Astronomy and Astrophysics

Astronomy

1

Photometry

Scientific paper

Photoelectric photometry of faint stars in the Orion Nebula present serious difficulties due to the brightness of the nebula and its surface variation. In the present work we describe in detail the techniques followed during flare star observations. The main conclusions are: i) the observational errors are not large, ii) internal consistency in our photometry is satisfactory, iii) they show infrared excesses that cannot be explained only due to interstellar extinction, iv) the large differences in (U-B) are mainly due to the large brightness of the nebula, v) long wavelength observations are less affected by the nebula than short wavelength ones, and vi) during our observations, the flare stars, probably behaved as "normal" irregular variables

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