g Columbae


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


catalogues and names g Col, NSV 16739, HR 2106, HD 40494, SAO 196352, FK5: 1160, WDS 05575-3517
constellation Columba

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


position, motion, parallax:

position (J2000) RA: 5h 57min 32,2sec DEC: -35 17' 0''
position (J1900) RA: 5h 53min 59,4sec DEC: -35 17' 38''
proper motion (J2000) RA: 0 arcsec/a DEC: 0,009 arcsec/a
radial velocity 24 km/s
rotational velocity 96 km/s (uncertain) (variable)

magnitude

visual magnitude 4,36
(V on UBV Johnson system)

spectral / color information

spectral class B2.5IV
B-V-magnitude -0,18
U-B-magnitude -0,66
R-I-magnitude -0,17

double/multiple star system information

separation 33,8 arcsec
mag difference (of double or brightest multiple) 8,3
note Worley (1978) update of the IDS

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

position, motion, parallax:

position (J2000) RA: 5h 57min 32,211sec DEC: -35 16' 59,91'' 0,06 arcsec source: 15
proper motion (J2000) RA: 0 arcsec/a DEC: 0,009 arcsec/a source: 25
radial velocity 24 km/s source: 25
galactic coord. (B1950) longitude: 241,23 latitude: -25,64
GCI unit vector (J2000) X: 0,008773 Y: 0,816259 Z: -0,57762

magnitude:

visual 4,36 (observed) source: 25
photovisual 4,4 source: 2
photographic 4,2 source: 2

spectral information:

spectral class B3 source: 96
Morgan-Keenan B2.5IV source: 25
B-magnitude 4,18 0,05 B-V-magnitude -0,18
U-magnitude 3,52 0,05 U-B-magnitude -0,66

double/multiple star system information:

source of data: 19
separation between brightest and second brightest component 33,8 arcsec
magnitude difference between brightest and second brightest component 8,3
position angle 110

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: 5h 55min 45,769sec DEC: -35 17' 15,18'' 0,01 arcsec
position (J2000) RA: 5h 57min 32,237sec DEC: -35 16' 59,98''
proper motion J1950 (FK4) RA: -0,0003 arcsec/a DEC: 0,008 arcsec/a 0,002 arcsec/a in RA
0,002 arcsec/a in DEC
proper motion J2000 (FK5) RA: 0,0002 arcsec/a DEC: 0,009 arcsec/a
source of proper motion data Determined by source catalog

magnitude:

visual 4,4 (accuracy: 2 decimals)
source of visual magnitude data Taken from the "Henry Draper Catalogue".

spectral information:

spectral class B3
source of spectral data Taken from the Henry Draper Catalogue or no spectrum in source catalog.

catalogues

source catalogue FK4, catalogue number: 1160
Durchmusterung CD-35 2612
Boss General Catalogue 7536
Henry Draper Catalogue 40494

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

position and proper motion:

position (J2000) RA: 5h 57,5min DEC: -35 17'
proper motion (J2000) RA: 0 arcsec/a DEC: 0,009 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
- 1919 1 110 33,8'' 4,36 12,66 B2.5IV HJ 3819

discoverer information:

discoverer code discoverer reference
HJ 3819 Herschel, J. -

notes:

note Gamma Col.