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Source Nomenclature

IAU designations


Point Sources

The official IPHAS designation for a stellar object is

IPHAS JHHMMSS.ss+DDMMSS.s

where the coordinates are truncated, not rounded. This format must be used at least once for every object listed in a paper using IPHAS data.


Extended Sources


The official IPHAS designation for a extended object is

IPHASX JHHMMSS.s+DDMMSS

where the coordinates are truncated, not rounded. This format must be used at least once for every object listed in a paper using IPHAS data.

Name Abbreviation

When abbreviating the object name in the text please use the "J" to indicate the equinox of the coordinates. For example

IPHAS J123456.89-012345.6

could be abbreviated as

IPHASJ1234
IPHASJ1234-0123

Please refer to the CDS dictionary on IPHAS for further information.