Datatype: JHK

The datatype jhk is in fact a mixture of JHK magnitudes and colours obtained from near-infrared imaging in several photometric system. No distinction is presently made.

Most observations were obtained with arrays, however, some of the data for the stars in nearby clusters were measured star by star.

Record structure

No:Star number
Ref:Data source
J:J magnitude
H:H magnitude
K:K magnitude
J-H:J-H colour index
H-K:H-K colour index
J-K:J-K colour index

Database access

List of clusters

Query the references

Last Update: 17 February 1998