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	31 Cas, HR 336, HD 6829, SAO 11612, BD +68 77, FK5: 2074
constellation	Cassiopeia

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

position, motion, parallax:

position (J2000)	RA: 1h 10min 39.3sec	DEC: +68° 46' 43''
position (B1900)	RA: 1h 3min 53.1sec	DEC: +68° 14' 47''
proper motion (J2000)	RA: 0.036 arcsec/a	DEC: -0.031 arcsec/a
radial velocity	1 km/s note: variable radial velocity
rotational velocity	215 km/s (uncertain) (variable)
trigonometric parallax	0.017 arcsec
galactic coordinates	longitude: 124.68°	latitude: 5.97°

magnitude

visual magnitude

5.29 (V on UBV Johnson system)

spectral / color information

spectral class	A0Vnn
B-V-magnitude	-0.02
U-B-magnitude	-0.06

double/multiple star system information

note (category: double and multiple data):

Suspected visual double is probably single.

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

position, motion, parallax:

position (J2000)	RA: 1h 10min 39.212sec	DEC: +68° 46' 42.79''	±0.43 arcsec	source: 16
proper motion (J2000)	RA: 0.005 arcsec/a	DEC: -0.034 arcsec/a		source: 25
radial velocity	1 km/s			source: 25
trigonometric parallax	0.017 arcsec		±0.002 arcsec	source: 25
galactic coord. (B1950)	longitude: 124.68°	latitude: 5.97°

magnitude:

visual	5.29 (observed)	source: 25
photovisual	5.3	source: 2
photographic	5.3	source: 16

spectral information:

spectral class	A0		source: 96
Morgan-Keenan	A0Vnn		source: 25
B-magnitude	5.27 ±0.05	B-V-magnitude	-0.02
U-magnitude	5.21 ±0.05	U-B-magnitude	-0.06

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
16	PPM North and PPM South Catalogs and PPM Supplement
Roser, S., and U. Bastian, "Catalogue of Positions and Proper Motions," A&AS, Vol. 74, p. 449, 1988, and Bastian, U., et al., "Catalogue of Positions and Proper Motions - South," 1993
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 7min 14.623sec	DEC: +68° 30' 47.88''	±0.025 arcsec
position (J2000)	RA: 1h 10min 39.356sec	DEC: +68° 46' 43.58''
proper motion B1950 (FK4)	RA: 0.0068 arcsec/a	DEC: -0.017 arcsec/a	±0.004 arcsec/a in RA ±0.003 arcsec/a in DEC
proper motion J2000 (FK5)	RA: 0.0067 arcsec/a	DEC: -0.024 arcsec/a
source of proper motion data	Determined by source catalog

magnitude:

visual	5.3 (accuracy: 2 decimals)
source of visual magnitude data	Taken from Harvard or San Luis photometry.

spectral information:

spectral class	A0
source of spectral data	Taken from the Henry Draper Catalogue or no spectrum in source catalog.

catalogues

source catalogue	GC, catalogue number: 1406
Durchmusterung	BD+68 77
Boss General Catalogue	1406
Henry Draper Catalogue	6829