Kornephoros


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

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

note (category: star names): Kornephoros; Korneforos; Rutilicus.

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

position, motion, parallax:

position (J2000) RA: 16h 30min 13,2sec DEC: +21 29' 23''
position (J1900) 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

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 0,47

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 0,002 arcsec source: 25
galactic coord. (B1950) longitude: 39,01 latitude: 40,21
GCI unit vector (J2000) X: -0,355255 Y: -0,859997 Z: 0,366332

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 (J1950) 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 J1950 (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 (J1950) 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 G8

references

to a study 182615D (designation: BETA HER)

miscanellous

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