Investigation of characteristic curves in the ESO-/B/-survey

Details Investigation of characteristic curves in the ESO-/B/-survey Investigation of characteristic curves in the ESO-/B/-survey

Jun 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979a%26as...36..423i&link_type=abstract

Astronomy and Astrophysics Supplement Series, vol. 36, June 1979, p. 423-428. In German.

Astronomy and Astrophysics

Astrophysics

4

Astronomical Photography, Light Curve, Stellar Magnitude, Astronomical Maps, Photographic Film, Ubv Spectra

Scientific paper

For identification of faint southern objects with the ESO-(B)-survey it is often useful to know the relation between the image diameters, d, of stars and their magnitudes, B. For this purpose a sample of 20 characteristic curves d d(B) was studied in on-film copies of the survey. It is found that for B greater than 10m the characteristic curves are always sufficiently represented by the simple expression d a2B-squared + a1B + a0. The surprising similarity of the shapes of characteristic curves on different films allows the construction of a mean curve.

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