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	Al Kalb al Rai, r2Cep, 29 Cep, HR 8591, HD 213798, SAO 10402, BD +78 801, FK5: 1593
constellation	Cepheus

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

note (category: star names):

Al Kalb al Rai.

position, motion, parallax:

position (J2000)	RA: 22h 29min 52.9sec	DEC: +78° 49' 27''
position (B1900)	RA: 22h 28min 59.8sec	DEC: +78° 18' 40''
proper motion (J2000)	RA: 0.001 arcsec/a	DEC: -0.022 arcsec/a
radial velocity	1 km/s note: spectroscopic binaries
rotational velocity	115 km/s (uncertain) (variable)
trigonometric parallax	0.008 arcsec
galactic coordinates	longitude: 116.16°	latitude: 17.86°

magnitude

visual magnitude

5.5 (V on UBV Johnson system)

spectral / color information

spectral class	A3V
B-V-magnitude	0.06
U-B-magnitude	0.07

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

position, motion, parallax:

position (J2000)	RA: 22h 29min 52.939sec	DEC: +78° 49' 27.36''	±0.06 arcsec	source: 15
proper motion (J2000)	RA: 0.0004 arcsec/a	DEC: -0.022 arcsec/a		source: 25
radial velocity	1 km/s			source: 25
trigonometric parallax	0.008 arcsec		±0.001 arcsec	source: 25
galactic coord. (B1950)	longitude: 116.16°	latitude: 17.86°

magnitude:

visual	5.48 (observed)	source: 25
photovisual	5.5	source: 2

spectral information:

spectral class	A2		source: 96
Morgan-Keenan	A3V		source: 25
B-magnitude	5.55 ±0.05	B-V-magnitude	0.07
U-magnitude	5.63 ±0.05	U-B-magnitude	0.08

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: 22h 29min 27.436sec	DEC: +78° 34' 3.36''	±0.005 arcsec
position (J2000)	RA: 22h 29min 52.917sec	DEC: +78° 49' 27.33''
proper motion B1950 (FK4)	RA: 0 arcsec/a	DEC: -0.016 arcsec/a	±0.001 arcsec/a in RA ±0.001 arcsec/a in DEC
proper motion J2000 (FK5)	RA: 0.0002 arcsec/a	DEC: -0.022 arcsec/a
source of proper motion data	Determined by source catalog

magnitude:

visual	5.5 (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

source catalogue	FK4, catalogue number: 1593
Durchmusterung	BD+78 801
Boss General Catalogue	31474
Henry Draper Catalogue	213798