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	42 Cap, HR 8283, HD 206301, SAO 164580, BD -14 6102
constellation	Capricornus

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

position, motion, parallax:

position (J2000)	RA: 21h 41min 32.9sec	DEC: -14° 2' 51''
position (B1900)	RA: 21h 36min 6.6sec	DEC: -14° 29' 37''
proper motion (J2000)	RA: -0.118 arcsec/a	DEC: -0.307 arcsec/a
radial velocity	-1 km/s note: spectroscopic binaries, single lined spectra note: orbital data avaible
rotational velocity	17 km/s (uncertain) (variable)
trigonometric parallax	0.034 arcsec
galactic coordinates	longitude: 39.56°	latitude: -43.97°

magnitude

visual magnitude

5.18 (V on UBV Johnson system)

spectral / color information

spectral class	G1V+G0V
B-V-magnitude	0.65
U-B-magnitude	0.2
R-I-magnitude
IR-note	object is infrared source (Engels et al., 1982)

double/multiple star system information

separation	0 arcsec
mag difference (of double or brightest multiple)	2

note (category: spectroscopic binaries):

5.5, 7.5v, sep. 0.0008", 13.17399d, K 23.2k/s, V0 -1.3k/s, asini 4.1314. RV also varies in a longer period. Unresolved by speckle interferometry.

miscellaneous information

note (category: group membership):

Wolf 630 group.

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

position, motion, parallax:

position (J2000)	RA: 21h 41min 32.864sec	DEC: -14° 2' 51.32''	±0.19 arcsec	source: 16
proper motion (J2000)	RA: -0.0082 arcsec/a	DEC: -0.304 arcsec/a		source: 25
radial velocity	-1 km/s			source: 25
trigonometric parallax	0.034 arcsec		±0.003 arcsec	source: 25
galactic coord. (B1950)	longitude: 39.57°	latitude: -43.97°

magnitude:

visual	5.18 (observed)	source: 25
photovisual	5.1	source: 16
photographic	6.1	source: 2

spectral information:

spectral class	G5		source: 96
Morgan-Keenan	G2IV		source: 25
B-magnitude	5.83 ±0.05	B-V-magnitude	0.65
U-magnitude	6.03 ±0.05	U-B-magnitude	0.2

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
16	PPM North and PPM South Catalogs and PPM Supplement
Roser, S., and U. Bastian, "Catalogue of Positions and Proper Motions," A&AS, Vol. 74, p. 449, 1988, and Bastian, U., et al., "Catalogue of Positions and Proper Motions - South," 1993
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: 21h 38min 49.849sec	DEC: -14° 16' 17.42''	±0.016 arcsec
position (J2000)	RA: 21h 41min 32.879sec	DEC: -14° 2' 51.19''
proper motion B1950 (FK4)	RA: -0.0084 arcsec/a	DEC: -0.304 arcsec/a	±0.003 arcsec/a in RA ±0.003 arcsec/a in DEC
proper motion J2000 (FK5)	RA: -0.0081 arcsec/a	DEC: -0.307 arcsec/a
source of proper motion data	Determined by source catalog

magnitude:

visual	5.3 (accuracy: 2 decimals)
source of visual magnitude data	Taken from Harvard or San Luis photometry.

spectral information:

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

catalogues

source catalogue	GC, catalogue number: 30354
Durchmusterung	BD-14 6102
Boss General Catalogue	30354
Henry Draper Catalogue	206301