Datatype: beta

This datatype collects the observations in the Crawford-Mander ß system. The ß index is a measure of the Hydrogen Balmer ß line and is a key parameter for the analysis of stars in the uvbyß system.

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

Record structure

No:Star number
Ref:References
beta:ß parameter

Database access

List of clusters

Query the references


Jean-Claude.Mermilliod@obs.unige.ch
Last Update: 17 February 1998