The object was found in the following catalogues:
  1. The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version)

  2. SKY2000 - Master Star Catalog

  3. Smithsonian Astrophysical Observatory Star Catalog

catalogues and names Wezn, b Col, HR 2040, HD 39425, SAO 196240, FK5: 223
other names Wazn
constellation Columba

data from The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version) (Hoffleit+, 1991)

note (category: star names): Wezn; Wazn.

object is infrared source (uncertain identification)

position, motion, parallax:

position (J2000) RA: 5h 50min 57,6sec DEC: -35 46' 6''
position (J1900) RA: 5h 47min 26sec DEC: -35 48' 21''
proper motion (J2000) RA: 0,059 arcsec/a DEC: 0,401 arcsec/a
radial velocity 89 km/s
note: variable radial velocity
trigonometric parallax 0,023 arcsec


visual magnitude 3,12
(V on UBV Johnson system)

spectral / color information

spectral class K2III
B-V-magnitude 1,16
U-B-magnitude 1,21
R-I-magnitude 0,58

miscellaneous information

note (category: group membership): 61 Cyg group.

data from SKY2000 - Master Star Catalog (Myers+ 1997)

position, motion, parallax:

position (J2000) RA: 5h 50min 57,594sec DEC: -35 46' 6,19'' 0,06 arcsec source: 15
proper motion (J2000) RA: 0,0048 arcsec/a DEC: 0,401 arcsec/a source: 25
radial velocity 89 km/s source: 25
trigonometric parallax 0,023 0,002 arcsec source: 25
galactic coord. (B1950) longitude: 241,35 latitude: -27,06
GCI unit vector (J2000) X: 0,031997 Y: 0,810755 Z: -0,58451


visual 3,12 (observed) source: 25
photovisual 3,2 source: 2
photographic 4,2 source: 2

spectral information:

spectral class K0 source: 96
Morgan-Keenan K2III source: 25
B-magnitude 4,28 0,05 B-V-magnitude 1,16
U-magnitude 5,49 0,05 U-B-magnitude 1,21


2 HD and HDE Catalogs
Cannon, A.J., and E.C. Pickering, Harvard Annals, Vols 91-99, 1918-24, Cambridge, Massachusetts: Harvard University; Cannon, A.J., Harvard Annals, Vol. 100, 1925-36, Cambridge, Massachusetts: Harvard University; and Cannon, A.J., and M. Walton Mayall, Harvard Annals, Vol. 112, 1949, Cambridge, Massachusetts: Harvard University
15 FK5, FK5 Extension and FK5 Supplement
Fricke, W., H. Schwan and T. Lederle, "Fifth Fundamental Catalogue (FK5), Part I. The Basic Fundamental Stars," Veroff. Astronomisches Recheninstitut, No. 32, Heidelberg, Germany, 1988, and Fricke, W., H. Schwan, and T.E. Corbin, "Fifth Fundamental Catalogue (FK5), Part II. The FK5 Extension," Veröff. Astronomisches Recheninstitut, No. 33, Heidelberg, Germany, 1991
25 Bright Star Catalogue, 5th edition
Hoffleit, D. and Warren, W.H. Jr., The Bright Star Catalogue, 5th Revised Edition, Version 2, 1994
96 SAO or HD/HDE Catalog
Reference from Value 1 or Reference from Value 2

data from Smithsonian Astrophysical Observatory Star Catalog (SAO Staff 1966; USNO, ADC 1990)

position and proper motion:

position (J1950) RA: 5h 49min 11,727sec DEC: -35 47' 9,73'' 0,008 arcsec
position (J2000) RA: 5h 50min 57,596sec DEC: -35 46' 6,11''
proper motion J1950 (FK4) RA: 0,0041 arcsec/a DEC: 0,402 arcsec/a 0,002 arcsec/a in RA
0,002 arcsec/a in DEC
proper motion J2000 (FK5) RA: 0,0049 arcsec/a DEC: 0,402 arcsec/a
source of proper motion data Determined by source catalog


visual 3,2 (accuracy: 2 decimals)
source of visual magnitude data Taken from the "Henry Draper Catalogue".

spectral information:

spectral class K0
source of spectral data Taken from the Henry Draper Catalogue or no spectrum in source catalog.


source catalogue FK4, catalogue number: 223
Durchmusterung CD-35 2546
Boss General Catalogue 7364
Henry Draper Catalogue 39425