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	q Cap, 23 Cap, HR 8075, HD 200761, SAO 164132, BD -17 6174, FK5: 1552
constellation	Capricornus

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

position, motion, parallax:

position (J2000)	RA: 21h 5min 56.8sec	DEC: -17° 13' 58''
position (B1900)	RA: 21h 0min 19.6sec	DEC: -17° 37' 49''
proper motion (J2000)	RA: 0.083 arcsec/a	DEC: -0.06 arcsec/a
radial velocity	-11 km/s note: spectroscopic binaries
rotational velocity	123 km/s (uncertain) (variable)
trigonometric parallax	0.017 arcsec
galactic coordinates	longitude: 31.31°	latitude: -37.29°

magnitude

visual magnitude

4.07 (V on UBV Johnson system)

spectral / color information

spectral class	A1V
B-V-magnitude	-0.01
U-B-magnitude	0.01
R-I-magnitude

double/multiple star system information

note (category: spectroscopic binaries):

840.6d, asini 160.

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

position, motion, parallax:

position (J2000)	RA: 21h 5min 56.834sec	DEC: -17° 13' 58.22''	±0.06 arcsec	source: 15
proper motion (J2000)	RA: 0.0058 arcsec/a	DEC: -0.06 arcsec/a		source: 25
radial velocity	-11 km/s			source: 25
trigonometric parallax	0.017 arcsec		±0.002 arcsec	source: 25
galactic coord. (B1950)	longitude: 31.32°	latitude: -37.29°

magnitude:

visual	4.07 (observed)	source: 25
photovisual	4.2	source: 2
photographic	4.2	source: 2

spectral information:

spectral class	A0		source: 96
Morgan-Keenan	A1V		source: 25
B-magnitude	4.06 ±0.05	B-V-magnitude	-0.01
U-magnitude	4.07 ±0.05	U-B-magnitude	0.01

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: 21h 3min 8.318sec	DEC: -17° 25' 57.78''	±0.004 arcsec
position (J2000)	RA: 21h 5min 56.849sec	DEC: -17° 13' 57.99''
proper motion B1950 (FK4)	RA: 0.0058 arcsec/a	DEC: -0.056 arcsec/a	±0.001 arcsec/a in RA ±0.001 arcsec/a in DEC
proper motion J2000 (FK5)	RA: 0.0059 arcsec/a	DEC: -0.058 arcsec/a
source of proper motion data	Determined by source catalog

magnitude:

visual	4.2 (accuracy: 2 decimals)
source of visual magnitude data	Taken from the "Henry Draper Catalogue".

spectral information:

spectral class	A0
source of spectral data	Taken from the Henry Draper Catalogue or no spectrum in source catalog.

catalogues

source catalogue	FK4, catalogue number: 1552
Durchmusterung	BD-17 6174
Boss General Catalogue	29460
Henry Draper Catalogue	200761