delta Andromedae

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

position, motion, parallax:

position (J2000)	RA: 0h 39min 19.7sec	DEC: +30° 51' 39''
position (B1900)	RA: 0h 33min 58.7sec	DEC: +30° 18' 50''
proper motion (J2000)	RA: 0.136 arcsec/a	DEC: -0.091 arcsec/a
radial velocity	-7 km/s note: spectroscopic binaries, single lined spectra note: orbital data avaible
rotational velocity	<17 km/s (uncertain) (variable)
trigonometric parallax	0.028 arcsec
galactic coordinates	longitude: 119.87°	latitude: -31.94°

magnitude

visual magnitude

3.27
(V on UBV Johnson system)

spectral / color information

spectral class	K3III
B-V-magnitude	1.28
U-B-magnitude	1.48
R-I-magnitude
IR-note	object is infrared source (uncertain identification)

double/multiple star system information

number of components of multiple star system	3
separation	28.7 arcsec
mag difference (of double or brightest multiple)	8.2
component ID	AB

note (category: double and multiple data):

AB CPM. Component C, 15.2v at 48" optical.

note (category: spectroscopic binaries):

ADS 548A, 15,000d, K 4.0k/s, V0 -8.5k/s, asini 785. Unresolved by speckle interferometry 1983.93.

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

position, motion, parallax:

magnitude:

visual	3.27 (observed)	source: 25
photovisual	3.5	source: 2

spectral information:

double/multiple star system information:

source of data: 19

separation between brightest and second brightest component	28.7 arcsec
magnitude difference between brightest and second brightest component	9.19
position angle	298 °

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 36min 38.858sec	DEC: +30° 35' 15.79''	±0.005 arcsec
position (J2000)	RA: 0h 39min 19.704sec	DEC: +30° 51' 39.69''
proper motion B1950 (FK4)	RA: 0.0106 arcsec/a	DEC: -0.084 arcsec/a	±0.001 arcsec/a in RA ±0.001 arcsec/a in DEC
proper motion J2000 (FK5)	RA: 0.0107 arcsec/a	DEC: -0.089 arcsec/a
source of proper motion data	Determined by source catalog

magnitude:

visual	3.5 (accuracy: 2 decimals)
source of visual magnitude data	Taken from the "Henry Draper Catalogue".

spectral information:

spectral class	K2
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 39.3min	DEC: +30° 52'
proper motion (J2000)	RA: 0.136 arcsec/a	DEC: -0.092 arcsec/a

double/multiple star system information:

discoverer information:

discoverer code	discoverer	reference
BU 491	Burnham, S.W.	-

notes:

note	Delta And. A is a long-period spectroscopic binary, P = 15000d (?).

catalogues and names	d And, NSV 15142, 31 And, HR 165, HD 3627, SAO 54058, BD +30 91, FK5: 20, WDS 00393+3052A
constellation	Andromeda