Dictionary of Nomenclature of Celestial Objects
(Last update: 13-Nov-2017)

Result of query: info cati IDS 18413+3730$



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Details on Acronym:   IDS
   IDS (Index catalog of Double *)= (USNO) Write:<<IDS HHMMm+DDMMAAAA>> N: about 64000 Object:**  (SIMBAD class: ** = Double or multiple star) Note:Format: 1900 coord.
Also found in the literature with the formats HHMM.mNDDMMA and HHMM.mSDDMMA instead of '+' and '-'.
Superseded by WDS. See also PMSC. Ref:=1963IDS...C......0J byJEFFERS H.M. , VAN DEN BOS W.H., GREEBY F.M. Publ. Lick Obs. 21,part 1,1963, 0 (1963) Index catalogue of visual double stars, 1961.0. opart 1 (263pp) + part part 2 (804pp). o<IDS HHMMm+DDMMAAAA> N=about 64000.
Details on Acronym:   USNO
   USNO (US Naval Obs.) Note:format: 1900 coord. ***** Avoid the usage of USNO, prefer IDS

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