Datatype: betam

This datatype collects the average values computed at our Institute of Astronomy for the Crawford-Mander ß system. These data are only a selection of stars in open clusters from the complete catalogue produced by B. Hauck and M. Mermilliod (CDS II/158A).

The associated uvby data are collected separately in the database. The corresponding datatype is uvby mean.

Record structure

No:Star number
Ref:Number of data sources
beta:ß mean parameter

Database access

List of clusters

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Last Update: 17 February 1998