kappa Geminorum

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

position, motion, parallax:

note (category: dynamical parallaxes):

0.018".

magnitude

visual magnitude

3.57
(V on UBV Johnson system)

spectral / color information

spectral class	G8IIIa
B-V-magnitude	0.93
U-B-magnitude	0.69
R-I-magnitude
IR-note	object is infrared source (NASA merged infrared catalogue, Schmitz et al., 1978)

double/multiple star system information

separation	7.1 arcsec
mag difference (of double or brightest multiple)	5.8

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

position, motion, parallax:

magnitude:

visual	3.57 (observed)	source: 25
photovisual	3.7	source: 2

spectral information:

double/multiple star system information:

source of data: 19

separation between brightest and second brightest component	7.2 arcsec
magnitude difference between brightest and second brightest component	4.5
position angle	240 °

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 (B1950)	RA: 7h 41min 25.857sec	DEC: +24° 31' 10.48''	±0.004 arcsec
position (J2000)	RA: 7h 44min 26.855sec	DEC: +24° 23' 52.7''
proper motion B1950 (FK4)	RA: -0.0022 arcsec/a	DEC: -0.055 arcsec/a	±0.001 arcsec/a in RA ±0.001 arcsec/a in DEC
proper motion J2000 (FK5)	RA: -0.0023 arcsec/a	DEC: -0.052 arcsec/a
source of proper motion data	Determined by source catalog

magnitude:

visual	3.7 (accuracy: 2 decimals)
source of visual magnitude data	Taken from the "Henry Draper Catalogue".

spectral information:

spectral class	G5
source of spectral data	Taken from the Henry Draper Catalogue or no spectrum in source catalog.

catalogues

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

position and proper motion:

position (J2000)	RA: 7h 44.4min	DEC: +24° 24'
proper motion (J2000)	RA: -0.033 arcsec/a	DEC: -0.052 arcsec/a

double/multiple star system information:

discoverer information:

discoverer code	discoverer	reference
STT 179	Struve, O.	-

notes:

note	Kappa Gem.

catalogues and names	k Gem, 77 Gem, HR 2985, HD 62345, SAO 79653, BD +24 1759, FK5: 294, WDS 07444+2424
constellation	Gemini