Datatype: CMTCCD
The datatype cmt refers to the realisation of the Washington photometric system for CCD observations. Photoelectric observations are
stored under the datatype cmt.
The data included in this database concern primarily red giants
for which the Washington calibrations are mainly designed. This
system has been designed to determine the metallicity of red stars.
Record structure
| No | : | Star number |
|---|
| Ref | : | Data source |
|---|
| T1 | : | T1 filter magnitude |
|---|
| C-M | : | C-M colour index |
|---|
| M-T1 | : | M-T1 colour index |
|---|
| T1-T2 | : | T1-T2 colour index |
|---|
| C-T1 | : | C-T1 colour index |
|---|
| M51 | : | M51 magnitude |
|---|
Database access
List of clusters
Query the references
Jean-Claude.Mermilliod@obs.unige.ch
Last Update: 18 February 2005