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	1 Cas, HR 8797, HD 218376, SAO 35147, BD +58 2545
constellation	Cassiopeia

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

position, motion, parallax:

position (J2000)	RA: 23h 6min 36.9sec	DEC: +59° 25' 11''
position (B1900)	RA: 23h 2min 23sec	DEC: +58° 52' 45''
proper motion (J2000)	RA: 0.009 arcsec/a	DEC: 0.001 arcsec/a
radial velocity	-9 km/s note: variable radial velocity
rotational velocity	50 km/s (uncertain) (variable)
galactic coordinates	longitude: 109.95°	latitude: -0.78°

magnitude

visual magnitude

4.85 (V on UBV Johnson system)

spectral / color information

spectral class	B0.5IV
B-V-magnitude	-0.03
U-B-magnitude	-0.87
R-I-magnitude

miscellaneous information

note (category: group membership):

Cep OB3.

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

position, motion, parallax:

position (J2000)	RA: 23h 6min 36.828sec	DEC: +59° 25' 10.97''	±0.35 arcsec	source: 17
proper motion (J2000)	RA: 0.0008 arcsec/a	DEC: -0.005 arcsec/a		source: 25
radial velocity	-9 km/s			source: 25
galactic coord. (B1950)	longitude: 109.95°	latitude: -0.78°

magnitude:

visual	4.85 (observed)	source: 25
photovisual	4.9	source: 2
photographic	4.7	source: 16

spectral information:

spectral class	B1		source: 96
Morgan-Keenan	B0.5IV		source: 25
B-magnitude	4.82 ±0.05	B-V-magnitude	-0.03
U-magnitude	3.95 ±0.05	U-B-magnitude	-0.87

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
17	ACRS
Corbin, T.E., and S.E. Urban, Astrographic Catalog Reference Stars, United States Naval Observatory, 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: 23h 4min 29.489sec	DEC: +59° 8' 57.61''	±0.018 arcsec
position (J2000)	RA: 23h 6min 36.861sec	DEC: +59° 25' 11.46''
proper motion B1950 (FK4)	RA: 0.001 arcsec/a	DEC: 0.006 arcsec/a	±0.003 arcsec/a in RA ±0.002 arcsec/a in DEC
proper motion J2000 (FK5)	RA: 0.0012 arcsec/a	DEC: 0.001 arcsec/a
source of proper motion data	Determined by source catalog

magnitude:

visual	4.9 (accuracy: 2 decimals)
source of visual magnitude data	Taken from Harvard or San Luis photometry.

spectral information:

spectral class	B1
source of spectral data	Taken from the Henry Draper Catalogue or no spectrum in source catalog.

catalogues

source catalogue	GC, catalogue number: 32197
Durchmusterung	BD+58 2545
Boss General Catalogue	32197
Henry Draper Catalogue	218376