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	i Ari, 8 Ari, HR 563, HD 11909, SAO 92721, BD +17 289, FK5: 2132
constellation	Aries

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

position, motion, parallax:

position (J2000)	RA: 1h 57min 21.1sec	DEC: +17° 49' 3''
position (B1900)	RA: 1h 51min 53.1sec	DEC: +17° 19' 46''
proper motion (J2000)	RA: 0.037 arcsec/a	DEC: -0.018 arcsec/a
radial velocity	-5 km/s note: spectroscopic binaries note: orbital data avaible
rotational velocity	<17 km/s
galactic coordinates	longitude: 144.34°	latitude: -42.3°

magnitude

visual magnitude

5.1 (V on UBV Johnson system)

spectral / color information

spectral class	K1p
B-V-magnitude	0.92
U-B-magnitude	0.7
IR-note	object is infrared source (NASA merged infrared catalogue, Schmitz et al., 1978)

note (category: spectra):

Also classified G2Ib-II.

double/multiple star system information

separation	0 arcsec
mag difference (of double or brightest multiple)	1

note (category: spectroscopic binaries):

1567.66d, K 10.8k/s, V0 -4.9k/s, asini 217, 5.4, 6.4v, sep. 0.01", unresolved by speckle interferometry.

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

position, motion, parallax:

position (J2000)	RA: 1h 57min 21.005sec	DEC: +17° 49' 2.48''	±0.43 arcsec	source: 16
proper motion (J2000)	RA: 0.002 arcsec/a	DEC: -0.031 arcsec/a		source: 25
radial velocity	-5 km/s			source: 25
galactic coord. (B1950)	longitude: 144.35°	latitude: -42.3°

magnitude:

visual	5.1 (observed)	source: 25
photovisual	5.2	source: 2
photographic	5.9	source: 16

spectral information:

spectral class	G5		source: 96
Morgan-Keenan	G8III		source: 25
B-magnitude	6.02 ±0.05	B-V-magnitude	0.92
U-magnitude	6.72 ±0.05	U-B-magnitude	0.7

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: 1h 54min 36.827sec	DEC: +17° 34' 27.51''	±0.013 arcsec
position (J2000)	RA: 1h 57min 21.039sec	DEC: +17° 49' 3.08''
proper motion B1950 (FK4)	RA: 0.0025 arcsec/a	DEC: -0.016 arcsec/a	±0.002 arcsec/a in RA ±0.002 arcsec/a in DEC
proper motion J2000 (FK5)	RA: 0.0025 arcsec/a	DEC: -0.02 arcsec/a
source of proper motion data	Determined by source catalog

magnitude:

visual	5.2 (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: 2347
Durchmusterung	BD+17 289
Boss General Catalogue	2347
Henry Draper Catalogue	11909