- ...(VPC)
- Appendices B, C and E,
which contain the surface photometry, the main catalogue and the summary
catalogue respectively, are only available in electronic form. They can be
obtained from Le Centre de Données astronomiques de Strasbourg (CDS)
via anonymous ftp to cdsarc.u-strasbg.fr (130.79.128.5)
or via http://cdsweb.u-strasbg.fr/Abstract.html
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- ...Appendix A
- These plots
correspond to the first thirty unsaturated galaxies in the VPC, and have
therefore been selected on the basis of their right ascensions alone.
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- ...mean
- The mean values being applicable to Virgo Fields A and B only. Due to
significant de-sensitisation (as described in Sect. 7.1) of Fields C and D on
Plate J4882, only Plate J9229 was used for objects lying in these two latter
fields.
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- ...D
- Note
that strictly speaking, due to the slight displacement between the J9229 and
J4882 (x,y) coordinate systems, those images near to the boundaries of any
field in one system may lie within a neighbouring field in the other system. In
these cases and when a plate flaw rendered one plate unreliable for a
particular object, whether a quoted magnitude was based on one or two plates
depended on other factors. Individual cases can be checked in the VPC which
quotes standard errors on the machine-generated (mean) 59#59 magnitudes
only when two plates were used.
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- ...here)
- As with the mean standard errors on the colours quoted in the
VPC, the lower values obtained for fainter objects may be due to
limitations in the dynamic range of the COSMOS microdensitometer.
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- ...Gaussian
- To be rigorous, the resolution function is not of course a perfect
Gaussian (or identical for different parts of any plate) but a Gaussian is
still a good approximation.
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- ...dwarfs
- These observations were not however amongst those used to calibrate
the Schmidt plates.
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