catalogues and names

The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version)

SKY2000 - Master Star Catalog

Smithsonian Astrophysical Observatory Star Catalog

catalogues and names

catalogues and names	105 Her, HR 6860, HD 168532, SAO 85921, BD +24 3381, FK5: 3457
constellation	Hercules

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

position, motion, parallax:

position (J2000)	RA: 18h 19min 10.7sec	DEC: +24° 26' 46''
position (B1900)	RA: 18h 15min 3.7sec	DEC: +24° 24' 16''
proper motion (J2000)	RA: 0.009 arcsec/a	DEC: 0.006 arcsec/a
radial velocity	-14 km/s note: spectroscopic binaries note: orbital data avaible
trigonometric parallax	-0.002 arcsec
galactic coordinates	longitude: 51.92°	latitude: 17.6°

magnitude

visual magnitude

5.27 (V on UBV Johnson system)

spectral / color information

spectral class	K3III:Ba0.4
B-V-magnitude	1.53
U-B-magnitude	1.74
R-I-magnitude
IR-note	object is infrared source (NASA merged infrared catalogue, Schmitz et al., 1978)

double/multiple star system information

note (category: spectroscopic binaries):

478d, K 16.1k/s, V0 -14.4k/s, asini 97.0.

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

position, motion, parallax:

position (J2000)	RA: 18h 19min 10.678sec	DEC: +24° 26' 45.82''	±0.22 arcsec	source: 15
proper motion (J2000)	RA: 0.0007 arcsec/a	DEC: 0.006 arcsec/a		source: 25
radial velocity	-14 km/s			source: 25
galactic coord. (B1950)	longitude: 51.92°	latitude: 17.6°

magnitude:

visual	5.27 (observed)	source: 25
photovisual	5.5	source: 2

spectral information:

spectral class	K5		source: 96
Morgan-Keenan	K3III:Ba0.5		source: 25
B-magnitude	6.8 ±0.05	B-V-magnitude	1.53
U-magnitude	8.54 ±0.05	U-B-magnitude	1.74

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
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: 18h 17min 7.136sec	DEC: +24° 25' 25.98''	±0.014 arcsec
position (J2000)	RA: 18h 19min 10.703sec	DEC: +24° 26' 45.31''
proper motion B1950 (FK4)	RA: 0.0008 arcsec/a	DEC: 0.001 arcsec/a	±0.003 arcsec/a in RA ±0.002 arcsec/a in DEC
proper motion J2000 (FK5)	RA: 0.0009 arcsec/a	DEC: 0.001 arcsec/a
source of proper motion data	Determined by source catalog

magnitude:

visual	5.5 (accuracy: 2 decimals)
source of visual magnitude data	Taken from Harvard or San Luis photometry.

spectral information:

spectral class	K5
source of spectral data	Taken from the Henry Draper Catalogue or no spectrum in source catalog.

catalogues

source catalogue	GC, catalogue number: 25003
Durchmusterung	BD+24 3381
Boss General Catalogue	25003
Henry Draper Catalogue	168532