mu Andromedae

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

position, motion, parallax:

magnitude

visual magnitude

3.87
(V on UBV Johnson system)

spectral / color information

double/multiple star system information

number of components of multiple star system	4
separation	266.7 arcsec
mag difference (of double or brightest multiple)	6.8
component ID	AD

note (category: double and multiple data):

All components optical.

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

position, motion, parallax:

magnitude:

visual	3.87 (observed)	source: 25
photovisual	3.9	source: 2

spectral information:

double/multiple star system information:

source of data: 19

separation between brightest and second brightest component	42.2 arcsec
magnitude difference between brightest and second brightest component	9
position angle	307 °

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
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: 0h 53min 58.16sec	DEC: +38° 13' 42.99''	±0.004 arcsec
position (J2000)	RA: 0h 56min 45.223sec	DEC: +38° 29' 57.57''
proper motion B1950 (FK4)	RA: 0.0129 arcsec/a	DEC: 0.037 arcsec/a	±0.001 arcsec/a in RA ±0.001 arcsec/a in DEC
proper motion J2000 (FK5)	RA: 0.0131 arcsec/a	DEC: 0.032 arcsec/a
source of proper motion data	Determined by source catalog

magnitude:

visual	3.9 (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

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

position and proper motion:

position (J2000)	RA: 0h 56.8min	DEC: +38° 30'
proper motion (J2000)	RA: 0.152 arcsec/a	DEC: 0.033 arcsec/a

double/multiple star system information:

discoverer information:

discoverer code	discoverer	reference
HJ 1057	Herschel, J.	-

notes:

note

Mu And.

catalogues and names	m And, 37 And, HR 269, HD 5448, SAO 54281, BD +37 175, FK5: 33, WDS 00568+3830A
constellation	Andromeda