UBV(RI)C photometry of equatorial standard stars. A direct comparison between the northern and southern systems
Open Access
- 15 February 1991
- journal article
- Published by Oxford University Press (OUP) in Monthly Notices of the Royal Astronomical Society
- Vol. 248 (4) , 642-652
- https://doi.org/10.1093/mnras/248.4.642
Abstract
We present UBV( RI )C photometry of 212 stars from Landolts list of equatorial standards is presented. The observations are tied to the system defined by Cousin’s E-region standards. A comparison of the present results with Landolt’s reveals reasonably good agreement for ( V–R )C and ( V – I)C, but marked systematic differences for ( B – V ) and ( U – B). and The UBV systems of Cousins and Landolt are evidently not the same and both probably differ from Johnson’s original system.Keywords
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