- 4.1 Do I need to register to use this service ?
- 4.2 Can I cross-match my own list of positions with a VizieR catalogue ?
- 4.3 Which format do I retrieve the result in ?
- 4.4 Where do data from large catalogues come from ?
- 4.5 Which position columns are used for the cross-match?
- 4.6 Why VizieR columns are missing in the xmatch output?
- 4.7 Do I need to let the Web page open during a cross-match computation ?
- 4.8 How long are the results of cross-match jobs kept ?
- 4.9 How can I acknowledge usage of the CDS cross-match service ?
- 4.10 My favourite catalogue/table is not available for cross-matching. What should I do ?
- 4.11 Who is the team behind the service ?