HR 287

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

position, motion, parallax:

magnitude

visual magnitude

6.47
(V on UBV Johnson system)

spectral / color information

spectral class

A3V

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

position, motion, parallax:

magnitude:

spectral information:

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: 0h 59min 23.138sec	DEC: +50° 45' 59.51''	ą0.036 arcsec
position (J2000)	RA: 1h 2min 18.446sec	DEC: +51° 2' 5.75''
proper motion B1950 (FK4)	RA: -0.0005 arcsec/a	DEC: -0.008 arcsec/a	ą0.007 arcsec/a in RA ą0.006 arcsec/a in DEC
proper motion J2000 (FK5)	RA: -0.0004 arcsec/a	DEC: -0.013 arcsec/a
source of proper motion data	Determined by source catalog

magnitude:

visual	6.6 (accuracy: 2 decimals)
source of visual magnitude data	Taken from Harvard or San Luis photometry.

spectral information:

spectral class	A3
source of spectral data	Taken from the Henry Draper Catalogue or no spectrum in source catalog.

catalogues