Information on Service 'basecom datalink service'

Since 1973, the 18-cm lines of the OH radical have been systematically observed in a number of comets with the Nançay radio telescope. This allowed an evaluation of the cometary water production rates and their evolution with time, as well as a study of several physical processes: the excitation mechanisms of the OH radio lines, the expansion of the cometary atmospheres, their anisotropy in relation with non-gravitational forces, the Zeeman effect in relation with the cometary magnetic field. The Nançay observations of 53 cometary apparitions between 1982 and 2009 are now organized in this database.

For a list of all services and tables belonging to this service's resource, see Information on resource 'The Nançay Cometary Database'

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Input Fields

The following fields are available to provide input to the service (with some renderers, some of these fields may be unavailable):

NameTable Head DescriptionUnitUCD
ID Id The publisher DID of the dataset of interest N/A meta.id;meta.main
maxrec Match limit Maximum number of records returned. Pass 0 to retrieve service parameters. N/A N/A
responseformat Output Format File format requested for output. N/A meta.code.mime
verb Verbosity Exhaustiveness of column selection. VERB=1 only returns the most important columns, VERB=2 selects the columns deemed useful to the average user, VERB=3 returns a table with all available columns. N/A N/A

Crovisier et al 2002, A&A 393, 1053–1064. https://doi.org/10.1051/0004-6361:20020673

VOResource XML (that's something exclusively for VO nerds)