Dictionary of Nomenclature of Celestial Objects
(Last update: 11-Mar-2024)

Result of query: info cati LTT$

Details on Acronym:   LTT
  
LTT (Luyten, Two Tenths)
Write:<<LTT NNNNN>>
N: 18635
Object:*  (SIMBAD class: HighPM* = High Proper Motion Star)
Note:(Nos 1-18635)
The stars of the 3 LTT catalogues and their supplement are all included in the new LTT NLTT catalogue, see L and LP, but without cross-identification with the LTT designation. In ref. 1988ApJS...66..391O: Identifications of 103 bright Luyten common motion stellar systems.
Ref:=1957LTT...C......0L
byLUYTEN W.J.
 Luyten's Two Tenths., 0-None (1957)
  Luyten's Two Tenths. A catalogue of 9867 stars in the Southern Hemisphere with proper motions exceeding 0".2 annually.
o<LTT NNNNN> N=9867.
Ref:=1961POMin...3h...1L
byLUYTEN W.J. , ANDERSON J.H.
 Publ. Astron. Obs. Univ. Minnesota, 3, part no 8, 1-None (1961)
  Faint stars with large proper motions.
o<LTT NNNNN>
Ref:=1961LTT...C......0L
byLUYTEN W.J.
 Luyten's Two Tenths., 0-None (1961)
  A catalogue of 7127 stars in the Northern Hemisphere.
o<LTT NNNNN> N=7127.
Ref:=1962LTTS1.C......0L
byLUYTEN W.J.
 The Observatory, Univ. Minnesota, Minneapolis,1962, 0-None (1962)
  First supplement to the LTT catalogues.
o<LTT NNNNN>