Kornephoros

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

note (category: star names):

Kornephoros; Korneforos; Rutilicus.

position, motion, parallax:

position (J2000)	RA: 16h 30min 13.2sec	DEC: +21° 29' 23''
position (B1900)	RA: 16h 25min 55.2sec	DEC: +21° 42' 27''
proper motion (J2000)	RA: -0.098 arcsec/a	DEC: -0.015 arcsec/a
radial velocity	-26 km/s note: spectroscopic binaries, single lined spectra note: orbital data avaible
rotational velocity	<19 km/s
trigonometric parallax	0.024 arcsec
galactic coordinates	longitude: 39.01°	latitude: 40.21°

magnitude

visual magnitude

2.77
(V on UBV Johnson system)

spectral / color information

spectral class	G7IIIa
B-V-magnitude	0.94
U-B-magnitude	0.69
R-I-magnitude
IR-note	object is infrared source (NASA merged infrared catalogue, Schmitz et al., 1978)

variability information

variable star identification

7778

double/multiple star system information

separation	256.2 arcsec
mag difference (of double or brightest multiple)	7.3
note	Worley (1978) update of the IDS

note (category: double and multiple data):

Visual companion probably optical.

note (category: spectroscopic binaries):

410.575d, K 12.8k/s, V0 -25.5k/s, asini 60.4. Unresolved by speckle interferometry.

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

position, motion, parallax:

position (J2000)	RA: 16h 30min 13.201sec	DEC: +21° 29' 22.56''	±0.06 arcsec	source: 15
proper motion (J2000)	RA: -0.007 arcsec/a	DEC: -0.015 arcsec/a		source: 25
radial velocity	-26 km/s			source: 25
trigonometric parallax	0.024 arcsec		±0.002 arcsec	source: 25
galactic coord. (B1950)	longitude: 39.01°	latitude: 40.21°

magnitude:

visual	2.77 (observed)	source: 25
photovisual	2.8	source: 2

spectral information:

spectral class	K0		source: 96
Morgan-Keenan	G7IIIaFe-0.5		source: 25
B-magnitude	3.71 ±0.05	B-V-magnitude	0.94
U-magnitude	4.4 ±0.05	U-B-magnitude	0.69

double/multiple star system information:

source of data: 19

separation between brightest and second brightest component

0 arcsec

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: 16h 28min 4.105sec	DEC: +21° 35' 50.16''	±0.004 arcsec
position (J2000)	RA: 16h 30min 13.2sec	DEC: +21° 29' 22.49''
proper motion B1950 (FK4)	RA: -0.0071 arcsec/a	DEC: -0.017 arcsec/a	±0.001 arcsec/a in RA ±0.001 arcsec/a in DEC
proper motion J2000 (FK5)	RA: -0.007 arcsec/a	DEC: -0.015 arcsec/a
source of proper motion data	Determined by source catalog

magnitude:

visual	2.8 (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.

catalogues

source catalogue	FK4, catalogue number: 618
Durchmusterung	BD+21 2934
Boss General Catalogue	22193
Henry Draper Catalogue	148856

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

position and proper motion:

position (J2000)	RA: 16h 30.2min	DEC: +21° 29'
proper motion (J2000)	RA: -0.098 arcsec/a	DEC: -0.015 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
Aa	1975	4	°	0''	2.77	-	G7IIIa	BLA
Aa-B	1879	3	274°	256.2''	2.77	10.1	-	BUP 170

discoverer information:

discoverer code	discoverer	reference
BLA	Blazit, A. et al
BUP 170	-	-

notes:

note	Beta Her. A is a long-period spectroscopic binary, resolved by speckle interferometry.

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

position:

position (equinox 1950.0)

RA: 16h 28min 4.1sec

DEC: +21° 35' 50''

variability informations:

magnitute at max. brightness	2.76
magnitute at min. brightness	2.81
photometric system	visual, photovisual or Johnson's V

spectral information

spectral class

references

to a study

182615D (designation: BETA HER)

miscanellous

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

catalogues and names	Kornephoros, b Her, NSV 07778, 27 Her, HR 6148, HD 148856, SAO 84411, BD +21 2934, FK5: 618, WDS 16302+2129A
other names	Korneforos, Rutilicus
constellation	Hercules