HR 526

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

position, motion, parallax:

position (J2000)	RA: 1h 49min 15.7sec	DEC: +47° 53' 49''
position (B1900)	RA: 1h 43min 2.9sec	DEC: +47° 23' 56''
proper motion (J2000)	RA: -0.01 arcsec/a	DEC: -0.002 arcsec/a
radial velocity	-2 km/s note: spectroscopic binaries, double lined spectra
dynamical parallax	0.008 arcsec
galactic coordinates	longitude: 132.86°	latitude: -13.86°

magnitude

visual magnitude

5.82
(V on UBV Johnson system)

spectral / color information

double/multiple star system information

number of components of multiple star system	4
separation	1.9 arcsec
mag difference (of double or brightest multiple)	0.7
component ID	AB

note (category: double and multiple data):

Component C 8.4v at 21", D 10.2v at 137".

note (category: spectroscopic binaries):

ADS 1438B.

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

position, motion, parallax:

magnitude:

spectral information:

double/multiple star system information:

source of data: 19

separation between brightest and second brightest component	19.2 arcsec
magnitude difference between brightest and second brightest component	1.9
position angle	176 °

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
17	ACRS
Corbin, T.E., and S.E. Urban, Astrographic Catalog Reference Stars, United States Naval Observatory, 1991
19	WDS Catalog
Worley, C.E., and G.G. Douglass, Washington Catalog of Visual Double Stars 1996.0, United States Naval Observatory, 1996
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 46min 8.618sec	DEC: +47° 38' 56.11''	ą0.037 arcsec
position (J2000)	RA: 1h 49min 15.656sec	DEC: +47° 53' 49.35''
proper motion B1950 (FK4)	RA: -0.001 arcsec/a	DEC: 0.002 arcsec/a	ą0.007 arcsec/a in RA ą0.005 arcsec/a in DEC
proper motion J2000 (FK5)	RA: -0.0009 arcsec/a	DEC: -0.002 arcsec/a
source of proper motion data	Determined by source catalog

magnitude:

visual	6 (accuracy: 2 decimals)
source of visual magnitude data	Taken from Harvard or San Luis photometry.

spectral information:

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

remarks for duplicity and variability

Double star in Aitken's Double Star Catalogue (Aitken 1932)

catalogues

data from The Washington Visual Double Star Catalog, 1996.0 (Worley+, 1996)

position and proper motion:

position (J2000)	RA: 1h 49.3min	DEC: +47° 54'
proper motion (J2000)	RA: -0.015 arcsec/a	DEC: -0.002 arcsec/a

double/multiple star system information:

discoverer information:

notes:

note	B is a spectroscopic binary. The system appears to be quintuple.