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Photometric sequences

The following table contains useful sequences for CCD observations. The first column is the name as known to the control system. The coordinates refer to the frame centre, and ``No" is the number of stars in each sequence falling within the 6 x 4 arcmin CCD frame of the INT prime focus. V and V specify the range of magnitudes in broad-band V, and the last column gives the bands for which photometry is available.

Note that the Stobie et al I-band is based on the Gunn definition, while the I-band of Christian et al is referred to the Cousins system via the Landolt standards. The La Palma I filter matches the Cousins definition more than the Gunn definition.

References

1. Christian, C. A., Adams, M., Barnes, J. V., Butcher, H., Hayes, D. S., Mould, J. R. and Siegel, M.,
1985. Publ. astron. Soc. Pacif., 97, 363.
2. Schild, R. E., 1983. Publ. astron Soc. Pacif., 95, 1021.
3. Stobie, R. S., Sagar, R. and Gilmore, G., 1985. Astron. Astrophys. Suppl. Ser., 60, 503.