I/54A LFT Catalogue (Luyten, 1955) ================================================================================ A catalogue of 1849 stars with proper motions exceeding 0"5 annually (LFT) LUYTEN W.J.: 1955 =1955LFT...C......0L ================================================================================ ADC_Keywords: Positional data ; Proper motions Description: This catalogue, published in 1955, provides data about stars known to have proper motions exceeding 0.5" annually. Note that a more recent version, known as the "LHS" catalogue and containing 4471 stars, was published later in 1987 (catalogue I/87) File Summary: -------------------------------------------------------------------------------- FileName Lrecl Records Explanations -------------------------------------------------------------------------------- ReadMe 80 . This file catalog 69 1849 The LFT catalogue notes 72 224 Notes to LFT Catalogue -------------------------------------------------------------------------------- Byte-by-byte Description of file: catalog -------------------------------------------------------------------------------- Bytes Format Units Label Explanations -------------------------------------------------------------------------------- 1- 4 I4 --- LFT [1/1849]+ "Luyten Five Tenths" identification 5 A1 --- n_LFT [*] A '*' indicates a note (see file "notes") 6- 20 A15 --- Ident Designation of the star (1) 21- 22 I2 h RAh Right Ascension 1950 (hours) 24- 27 F4.1 min RAm Right Ascension 1950 (minutes) 28 A1 --- DE- Declination 1950 (sign) 29- 30 I2 deg DEd Declination 1950 (degrees) 32- 33 I2 arcmin DEm Declination 1950 (minutes) 35- 38 F4.1 mag Pmag Photographic magnitude 40- 44 A5 --- Sp Spectral type 45- 49 F5.2 arcsec/yr pm Proper motion 51- 53 I3 deg pmPA Position angle in equatorial frame 55- 57 I3 deg pmGalPA Position angle in galactic frame 58- 70 A13 --- Autho Authority of proper motion (2) -------------------------------------------------------------------------------- Note (1): The designation is: * the Bayer letters for the few very bright stars * BD numbers north of -23deg, CD numbers south of that limit * Wolf, Ross and Luyten numbers for fainter stars * for some other stars, Greenwich Astrographic Catalogue or Selected Area numbers Note (2): A few references are given in full; the following abbreviations have been used: C = Cape H = Hertzsprung R = Ross F = Furuhjelm I = Innes VM = van Maanen G = Greenwich L = Luyten W = Wolf Byte-by-byte Description of file: notes -------------------------------------------------------------------------------- Bytes Format Units Label Explanations -------------------------------------------------------------------------------- 1- 4 I4 --- LFT [1/1849]+ "Luyten Five Tenths" identification 6- 72 A67 --- Text Text of note -------------------------------------------------------------------------------- Historical Notes: * 22-Feb-1995: reformatted the catalogue, and added the notes. The misidentification "BD+4 3561" for Barnard's star (LFT 1385) was removed. ================================================================================ (End) Joseph Florsch [CDS] 22-Feb-1995