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	n And, NSV 15178, 35 And, HR 226, HD 4727, SAO 36699, BD +40 171, FK5: 1021
constellation	Andromeda

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

position, motion, parallax:

position (J2000)	RA: 0h 49min 48.8sec	DEC: +41° 4' 44''
position (B1900)	RA: 0h 44min 17.7sec	DEC: +40° 32' 4''
proper motion (J2000)	RA: 0.023 arcsec/a	DEC: -0.019 arcsec/a
radial velocity	-24 km/s note: spectroscopic binaries, double lined spectra note: orbital data avaible
rotational velocity	80 km/s (uncertain) (variable)
galactic coordinates	longitude: 122.6°	latitude: -21.79°

magnitude

visual magnitude

4.53 (V on UBV Johnson system)

spectral / color information

spectral class	B5V+F8V
B-V-magnitude	-0.15
U-B-magnitude	-0.58
R-I-magnitude

double/multiple star system information

note (category: spectroscopic binaries):

4.2828d, K 75.6k/s, V0 -23.9k/s, msin3i 1.49, asini 4.45; vsini of secondary 11k/s.

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

position, motion, parallax:

position (J2000)	RA: 0h 49min 48.849sec	DEC: +41° 4' 44.07''	±0.06 arcsec	source: 15
proper motion (J2000)	RA: 0.002 arcsec/a	DEC: -0.019 arcsec/a		source: 25
radial velocity	-24 km/s			source: 25
galactic coord. (B1950)	longitude: 122.61°	latitude: -21.79°

magnitude:

visual	4.53 (observed)	source: 25
photovisual	4.4	source: 2

spectral information:

spectral class	B3		source: 96
Morgan-Keenan	B5V		source: 25
B-magnitude	4.38 ±0.05	B-V-magnitude	-0.15
U-magnitude	3.8 ±0.05	U-B-magnitude	-0.58

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
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 47min 2.83sec	DEC: +40° 48' 25.23''	±0.005 arcsec
position (J2000)	RA: 0h 49min 48.844sec	DEC: +41° 4' 43.94''
proper motion B1950 (FK4)	RA: 0.0018 arcsec/a	DEC: -0.016 arcsec/a	±0.001 arcsec/a in RA ±0.001 arcsec/a in DEC
proper motion J2000 (FK5)	RA: 0.0019 arcsec/a	DEC: -0.021 arcsec/a
source of proper motion data	Determined by source catalog

magnitude:

visual	4.4 (accuracy: 2 decimals)
source of visual magnitude data	Taken from the "Henry Draper Catalogue".

spectral information:

spectral class	B3
source of spectral data	Taken from the Henry Draper Catalogue or no spectrum in source catalog.

catalogues

source catalogue	FK4, catalogue number: 1021
Durchmusterung	BD+40 171
Boss General Catalogue	989
Henry Draper Catalogue	4727