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IV/25               HD identifications for Tycho-2 stars      (Fabricius+, 2002)

Henry Draper Catalogue identifications for Tycho-2 stars. Fabricius C, Makarov V V, Knude J., Wycoff G.L. <Astron. Astrophys. 386, 709 (2002)> =2002A&A...386..709F
ADC_Keywords: Cross identifications Keywords: stars: fundamental parameters - catalogs Abstract: We present identifications in the Tycho-2 Catalogue (I/259), for 99.8 per cent of the stars in the Henry Draper Catalogue (III/135) and for 96 per cent of the Henry Draper Extensions (III/135, III/182) File Summary:
FileName Lrecl Records Explanations
ReadMe 80 . This file tyc2_hd.dat 34 353527 Catalog notes.dat 123 123 Individual notes
See also: I/259 : The Tycho-2 Catalogue (Hog+ 2000) I/276 : Tycho Double Star Catalogue (TDSC) (Fabricius+ 2002) III/135 : Henry Draper Catalogue and Extension (Cannon+ 1918-1924; ADC 1989) III/182 : HDE Charts: positions, proper motions (Nesterov+ 1995) Byte-by-byte Description of file: tyc2_hd.dat
Bytes Format Units Label Explanations
1- 4 I4 --- TYC1 [1,9537]+= TYC1 from Tycho-2 6- 10 I5 --- TYC2 [1,12121] TYC2 from Tycho-2 12 I1 --- TYC3 [1,4] TYC3 from Tycho-2 13 A1 --- f_TYC [S] Set for stars in Tycho-2 Supplement#1 15- 20 I6 --- HD HD (Cat. III/135) identifier 22- 24 A3 --- SpType Spectral type from HD catalogue 26 I1 --- n_HD [1,2] number of HD stars for this Tyc2 star 28 I1 --- n_TYC [1,2] number of Tyc2 stars for this HD star 30 A1 --- TDSC [D] star in Tycho Double Star Catalogue 32 A1 --- Rem *[DEGMR*] Remarks flag from HD file 34 A1 --- Note [N] note exists in the notes.dat file
Note on Rem: the flag has the following meaning: D = Entry deleted (compared to the printed catalog) E = Image at edge of plate G = Position and BD number taken directly from AGK1 and precessed to 1900 M = Multiple images used R = Remark in the published catalog * = Spectral type refers a cluster, nebula or nebulous star
Byte-by-byte Description of file: notes.dat
Bytes Format Units Label Explanations
1- 6 I6 --- HD HD number 8-123 A116 --- Text Text of the note
Acknowledgements: Claus Fabricius Errata: The file "errata.htx" contains the various errata which have been communicated to the CDS.
(End) Patricia Bauer [CDS] 01-Mar-2002
The document above follows the rules of the Standard Description for Astronomical Catalogues.From this documentation it is possible to generate f77 program to load files into arrays or line by line

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