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	n Ari, 32 Ari, HR 773, HD 16432, SAO 75495, BD +21 362, FK5: 89
constellation	Aries

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

position, motion, parallax:

position (J2000)	RA: 2h 38min 49sec	DEC: +21° 57' 41''
position (B1900)	RA: 2h 33min 8.1sec	DEC: +21° 31' 45''
proper motion (J2000)	RA: -0.008 arcsec/a	DEC: -0.017 arcsec/a
radial velocity	8 km/s note: spectroscopic binaries
rotational velocity	110 km/s (uncertain) (variable)
trigonometric parallax	0.013 arcsec
galactic coordinates	longitude: 153.46°	latitude: -34.47°

magnitude

visual magnitude

5.43 (V on UBV Johnson system)

spectral / color information

spectral class	A7V
B-V-magnitude	0.16
U-B-magnitude	0.13

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

position, motion, parallax:

position (J2000)	RA: 2h 38min 48.986sec	DEC: +21° 57' 40.99''	±0.06 arcsec	source: 15
proper motion (J2000)	RA: -0.0005 arcsec/a	DEC: -0.017 arcsec/a		source: 25
radial velocity	8 km/s			source: 25
trigonometric parallax	0.013 arcsec		±0.001 arcsec	source: 25
galactic coord. (B1950)	longitude: 153.47°	latitude: -34.47°

magnitude:

visual	5.43 (observed)	source: 25
photovisual	5.4	source: 2

spectral information:

spectral class	A2		source: 96
Morgan-Keenan	A7V		source: 25
B-magnitude	5.59 ±0.05	B-V-magnitude	0.16
U-magnitude	5.72 ±0.05	U-B-magnitude	0.13

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: 2h 35min 58.27sec	DEC: +21° 44' 46.88''	±0.004 arcsec
position (J2000)	RA: 2h 38min 48.978sec	DEC: +21° 57' 40.95''
proper motion B1950 (FK4)	RA: -0.0006 arcsec/a	DEC: -0.014 arcsec/a	±0.001 arcsec/a in RA ±0.001 arcsec/a in DEC
proper motion J2000 (FK5)	RA: -0.0006 arcsec/a	DEC: -0.017 arcsec/a
source of proper motion data	Determined by source catalog

magnitude:

visual	5.4 (accuracy: 2 decimals)
source of visual magnitude data	Taken from the "Henry Draper Catalogue".

spectral information:

spectral class	A2
source of spectral data	Taken from the Henry Draper Catalogue or no spectrum in source catalog.

catalogues

source catalogue	FK4, catalogue number: 89
Durchmusterung	BD+21 362
Boss General Catalogue	3167
Henry Draper Catalogue	16432