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	38 Cas, HR 427, HD 9021, SAO 4422, BD +69 102, FK5: 1042
constellation	Cassiopeia

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

position, motion, parallax:

position (J2000)	RA: 1h 31min 13.8sec	DEC: +70° 15' 53''
position (B1900)	RA: 1h 23min 46.8sec	DEC: +69° 45' 0''
proper motion (J2000)	RA: 0.137 arcsec/a	DEC: -0.077 arcsec/a
radial velocity	5 km/s note: spectroscopic binaries note: orbital data avaible
trigonometric parallax	0.039 arcsec
galactic coordinates	longitude: 126.3°	latitude: 7.65°

magnitude

visual magnitude

5.81 (V on UBV Johnson system)

spectral / color information

spectral class	F6V
B-V-magnitude	0.47
U-B-magnitude	-0.11

double/multiple star system information

note (category: spectroscopic binaries):

134.078d, K 19.9k/s, V0 +1.1k/s, asini 34.9. Unresolved by speckle interferometry.

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

position, motion, parallax:

position (J2000)	RA: 1h 31min 13.756sec	DEC: +70° 15' 52.56''	±0.06 arcsec	source: 15
proper motion (J2000)	RA: 0.027 arcsec/a	DEC: -0.077 arcsec/a		source: 25
radial velocity	5 km/s			source: 25
trigonometric parallax	0.039 arcsec		±0.004 arcsec	source: 25
galactic coord. (B1950)	longitude: 126.31°	latitude: 7.65°

magnitude:

visual	5.81 (observed)	source: 25
photovisual	6	source: 2

spectral information:

spectral class	F5		source: 96
Morgan-Keenan	F6V		source: 25
B-magnitude	6.28 ±0.05	B-V-magnitude	0.47
U-magnitude	6.17 ±0.05	U-B-magnitude	-0.11

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: 1h 27min 28.374sec	DEC: +70° 0' 29.69''	±0.005 arcsec
position (J2000)	RA: 1h 31min 13.763sec	DEC: +70° 15' 52.52''
proper motion B1950 (FK4)	RA: 0.0271 arcsec/a	DEC: -0.07 arcsec/a	±0.001 arcsec/a in RA ±0.001 arcsec/a in DEC
proper motion J2000 (FK5)	RA: 0.0271 arcsec/a	DEC: -0.077 arcsec/a
source of proper motion data	Determined by source catalog

magnitude:

visual	6 (accuracy: 2 decimals)
source of visual magnitude data	Taken from the "Henry Draper Catalogue".

spectral information:

spectral class	F5
source of spectral data	Taken from the Henry Draper Catalogue or no spectrum in source catalog.

catalogues

source catalogue	FK4, catalogue number: 1042
Durchmusterung	BD+69 102
Boss General Catalogue	1817
Henry Draper Catalogue	9021