Further access options are discussed below
For a list of all services and tables belonging to this service's resource, see Information on resource 'The USNO-B 1.0 Catalog'
You can access this service using:
This service is not published. This can mean that it was deemed too unimportant, for internal use only, or is just a helper for a published service. Equally likely, however, it is under development, abandoned in development or otherwise unfinished. Exercise caution.
Other services provided on the underlying data include:
The following fields are available to provide input to the service (with some renderers, some of these fields may be unavailable):
Name | Table Head | Description | Unit | UCD |
---|---|---|---|---|
field | Field# | Field number in survey | N/A | meta.id;obs.field |
nTotal | N | Number of objects in estimate | N/A | meta.number |
survey | Survey ID | Survey identifier, see long docs | N/A | meta.id |
The following fields are contained in the output by default. More fields may be available for selection; these would be given below in the VOTable output fields.
Name | Table Head | Description | Unit | UCD |
---|---|---|---|---|
da | d(alpha) | Mean offset in alpha | deg | pos.eq.ra;arith.diff |
dd | d(delta) | Mean offset in delta | deg | pos.eq.dec;arith.diff |
field | Field# | Field number in survey | N/A | meta.id;obs.field |
nTotal | N | Number of objects in estimate | N/A | meta.number |
survey | Survey ID | Survey identifier, see long docs | N/A | meta.id |
The following fields are available in VOTable output. The verbosity level is a number intended to represent the relative importance of the field on a scale of 1 to 30. The services take a VERB argument. A field is included in the output if their verbosity level is less or equal VERB*10.
Name | Table Head | Description | Unit | UCD | Verb. Level |
---|---|---|---|---|---|
survey | Survey ID | Survey identifier, see long docs | N/A | meta.id | 20 |
field | Field# | Field number in survey | N/A | meta.id;obs.field | 20 |
da | d(alpha) | Mean offset in alpha | deg | pos.eq.ra;arith.diff | 20 |
dd | d(delta) | Mean offset in delta | deg | pos.eq.dec;arith.diff | 20 |
nTotal | N | Number of objects in estimate | N/A | meta.number | 20 |
VOResource XML (that's something exclusively for VO nerds)