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	s1UMa, 11 UMa, HR 3609, HD 77800, SAO 14769, BD +67 573
constellation	Ursa Major

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

position, motion, parallax:

position (J2000)	RA: 9h 8min 23.6sec	DEC: +66° 52' 24''
position (B1900)	RA: 8h 59min 37sec	DEC: +67° 16' 30''
proper motion (J2000)	RA: -0.018 arcsec/a	DEC: -0.038 arcsec/a
radial velocity	15 km/s note: spectroscopic binaries
rotational velocity	<19 km/s
trigonometric parallax	0.011 arcsec
galactic coordinates	longitude: 147.27°	latitude: 38.03°

magnitude

visual magnitude

5.14 (V on UBV Johnson system)

spectral / color information

spectral class	K5III
B-V-magnitude	1.51
U-B-magnitude	1.83
R-I-magnitude
IR-note	object is infrared source (NASA merged infrared catalogue, Schmitz et al., 1978)

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

position, motion, parallax:

position (J2000)	RA: 9h 8min 23.543sec	DEC: +66° 52' 23.63''	±0.35 arcsec	source: 17
proper motion (J2000)	RA: -0.0035 arcsec/a	DEC: -0.039 arcsec/a		source: 25
radial velocity	15 km/s			source: 25
trigonometric parallax	0.011 arcsec		±0.001 arcsec	source: 25
galactic coord. (B1950)	longitude: 147.28°	latitude: 38.03°

magnitude:

visual	5.14 (observed)	source: 25
photovisual	5.3	source: 2
photographic	6.5	source: 16

spectral information:

spectral class	K5		source: 96
Morgan-Keenan	K5III		source: 25
B-magnitude	6.65 ±0.05	B-V-magnitude	1.51
U-magnitude	8.48 ±0.05	U-B-magnitude	1.83

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: 9h 4min 1.898sec	DEC: +67° 4' 33.26''	±0.017 arcsec
position (J2000)	RA: 9h 8min 23.583sec	DEC: +66° 52' 23.86''
proper motion B1950 (FK4)	RA: -0.003 arcsec/a	DEC: -0.041 arcsec/a	±0.003 arcsec/a in RA ±0.002 arcsec/a in DEC
proper motion J2000 (FK5)	RA: -0.003 arcsec/a	DEC: -0.038 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	K5
source of spectral data	Taken from the Henry Draper Catalogue or no spectrum in source catalog.

catalogues

source catalogue	GC, catalogue number: 12576
Durchmusterung	BD+67 573
Boss General Catalogue	12576
Henry Draper Catalogue	77800