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 Superseded by WDS.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 |
by | JEFFERS H.M. , VAN DEN BOS W.H., GREEBY F.M. |
Publ. Lick Obs. 21,part 1,1963, 0-None (1963) | |
Index catalogue of visual double stars, 1961.0. | |
o | part 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 |