I/54A LFT Catalogue (Luyten, 1955)
A catalogue of 1849 stars with proper motions exceeding 0"5 annually (LFT)
LUYTEN W.J.: 1955
<The Lund Press, Minneapolis>
=1955LFT...C......0L 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:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
catalog 69 1849 The LFT catalogue
notes 72 224 Notes to LFT Catalogue
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Byte-by-byte Description of file: catalog
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Bytes Format Units Label Explanations
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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)
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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
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Bytes Format Units Label Explanations
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1- 4 I4 --- LFT [1/1849]+ "Luyten Five Tenths" identification
6- 72 A67 --- Text Text of note
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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