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	20 Ari, HR 656, HD 13871, SAO 75239, BD +25 373
constellation	Aries

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

position, motion, parallax:

position (J2000)	RA: 2h 15min 46sec	DEC: +25° 46' 59''
position (B1900)	RA: 2h 10min 2.3sec	DEC: +25° 19' 8''
proper motion (J2000)	RA: 0.176 arcsec/a	DEC: -0.063 arcsec/a
radial velocity	26 km/s note: suspected variable radial velocity
rotational velocity	12 km/s (uncertain) (variable)
galactic coordinates	longitude: 145.74°	latitude: -33.33°

magnitude

visual magnitude

5.79 (V on UBV Johnson system)

spectral / color information

spectral class	F6IV-V
B-V-magnitude	0.44
U-B-magnitude	0.04
R-I-magnitude

miscellaneous information

note (category: group membership):

Hyades group; Mel 25 #157.

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

position, motion, parallax:

position (J2000)	RA: 2h 15min 46.056sec	DEC: +25° 46' 58.86''	±0.2 arcsec	source: 52
proper motion (J2000)	RA: 0.0131 arcsec/a	DEC: -0.064 arcsec/a		source: 25
radial velocity	26 km/s			source: 25
galactic coord. (B1950)	longitude: 145.74°	latitude: -33.33°

magnitude:

visual	5.79 (observed)	source: 25
photovisual	5.8	source: 2
photographic	6.2	source: 16

spectral information:

spectral class	F2		source: 96
Morgan-Keenan	F6IV-V		source: 25
B-magnitude	6.23 ±0.05	B-V-magnitude	0.44
U-magnitude	6.27 ±0.05	U-B-magnitude	0.04

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
52	PPMN-HP subset
PPMN Star Catalogue (Reference 16) High-Precision Subset (Code H)
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 12min 53.877sec	DEC: +25° 33' 7.22''	±0.019 arcsec
position (J2000)	RA: 2h 15min 46.037sec	DEC: +25° 46' 58.89''
proper motion B1950 (FK4)	RA: 0.013 arcsec/a	DEC: -0.058 arcsec/a	±0.004 arcsec/a in RA ±0.003 arcsec/a in DEC
proper motion J2000 (FK5)	RA: 0.013 arcsec/a	DEC: -0.063 arcsec/a
source of proper motion data	Determined by source catalog

magnitude:

visual	5.8 (accuracy: 2 decimals)
source of visual magnitude data	Taken from Harvard or San Luis photometry.

spectral information:

spectral class	F2
source of spectral data	Taken from the Henry Draper Catalogue or no spectrum in source catalog.

catalogues

source catalogue	GC, catalogue number: 2707
Durchmusterung	BD+25 373
Boss General Catalogue	2707
Henry Draper Catalogue	13871