Wezen


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

  4. The Washington Visual Double Star Catalog, 1996.0

  5. Combined General Catalogue of Variable Stars (suspected variables)


catalogues and names Wezen, d CMa, NSV 03424, 25 CMa, HR 2693, HD 54605, SAO 173047, FK5: 273, WDS 07084-2624
other names Alwazn, Wesen, Al Wazor
constellation Canis Major

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

note (category: star names): Wezen; Alwazn; Wesen; Al Wazor.

object is infrared source (NASA merged infrared catalogue, Schmitz et al., 1978)

position, motion, parallax:

position (J2000) RA: 7h 8min 23,5sec DEC: -26 23' 36''
position (J1900) RA: 7h 4min 19,5sec DEC: -26 14' 4''
proper motion (J2000) RA: -0,003 arcsec/a DEC: 0,004 arcsec/a
radial velocity 34 km/s
note: spectroscopic binaries
rotational velocity 28 km/s (uncertain) (variable)
trigonometric parallax -0,011 arcsec

magnitude

visual magnitude 1,84
(V on UBV Johnson system)

spectral / color information

spectral class F8Ia
B-V-magnitude 0,68
U-B-magnitude 0,54
R-I-magnitude 0,33

variability information

variable star identification 3424

miscellaneous information

note (category: group membership): Member OB group near Omicron CMa; Collinder 121 (#31).
note (category: stellar radii or diameters): Diam. = 0.00329 - 0.00360".

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

position, motion, parallax:

position (J2000) RA: 7h 8min 23,48sec DEC: -26 23' 35,55'' 0,06 arcsec source: 15
proper motion (J2000) RA: -0,0002 arcsec/a DEC: 0,004 arcsec/a source: 25
radial velocity 34 km/s source: 25
galactic coord. (B1950) longitude: 238,42 latitude: -8,27
GCI unit vector (J2000) X: -0,263358 Y: 0,856175 Z: -0,444529

magnitude:

visual 1,84 (observed) source: 25
photovisual 2 source: 2
photographic 2,5 source: 2

spectral information:

spectral class F8 source: 96
Morgan-Keenan F8Ia source: 25
B-magnitude 2,52 0,05 B-V-magnitude 0,68
U-magnitude 3,06 0,05 U-B-magnitude 0,54

variability information:

source of data: 28
variability type 9
var. amplitude 0,08

double/multiple star system information:

source of data: 19
separation between brightest and second brightest component 266,4 arcsec
magnitude difference between brightest and second brightest component 5,7
position angle 224

sources:

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
19 WDS Catalog
Worley, C.E., and G.G. Douglass, Washington Catalog of Visual Double Stars 1996.0, United States Naval Observatory, 1996
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: 7h 6min 21,436sec DEC: -26 18' 45,36'' 0,005 arcsec
position (J2000) RA: 7h 8min 23,476sec DEC: -26 23' 35,48''
proper motion J1950 (FK4) RA: -0,0006 arcsec/a DEC: 0,003 arcsec/a 0,001 arcsec/a in RA
0,001 arcsec/a in DEC
proper motion J2000 (FK5) RA: -0,0003 arcsec/a DEC: 0,005 arcsec/a
source of proper motion data Determined by source catalog

magnitude:

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

spectral information:

spectral class F8p
source of spectral data Taken from the Henry Draper Catalogue or no spectrum in source catalog.

catalogues

source catalogue FK4, catalogue number: 273
Durchmusterung CD-26 3916
Boss General Catalogue 9443
Henry Draper Catalogue 54605

data from The Washington Visual Double Star Catalog, 1996.0 (Worley+, 1996)

position and proper motion:

position (J2000) RA: 7h 8,4min DEC: -26 24'
proper motion (J2000) RA: -0,003 arcsec/a DEC: 0,004 arcsec/a

double/multiple star system information:

component year number of measures position angle angular separation magnitude of 1st component magnitude of 2nd component spectral class(es) discoverer code
- 1832 2 224 266,4'' 1,8 7,5 F8Iab: BU 1412

discoverer information:

discoverer code discoverer reference
BU 1412 Burnham, S.W. -

notes:

note Delta CMa.

data from Combined General Catalogue of Variable Stars (suspected variables) (Kholopov+ 1998)

position:

position (J1950) RA: 7h 6min 21,4sec DEC: -26 18' 45''

variability informations:

magnitute at max. brightness 1,8
magnitute at min. brightness 1,88
photometric system visual, photovisual or Johnson's V

spectral information

spectral class F8

references

to a study 660820D (designation: DELTA CMA)

miscanellous

There are notes in the published catalog (Kukarkin et al.(1982)).