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	Tania Borealis, l UMa, 33 UMa, HR 4033, HD 89021, SAO 43268, BD +43 2005, FK5: 383
other names	Al Kafzah al Thaniyah
constellation	Ursa Major

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

note (category: star names):

Tania Borealis. With HR 4069, Al Kafzah al Thaniyah.

position, motion, parallax:

position (J2000)	RA: 10h 17min 5.8sec	DEC: +42° 54' 52''
position (B1900)	RA: 10h 11min 4sec	DEC: +43° 24' 50''
proper motion (J2000)	RA: -0.164 arcsec/a	DEC: -0.038 arcsec/a
radial velocity	18 km/s note: variable radial velocity
rotational velocity	48 km/s (uncertain) (variable)
trigonometric parallax	0.03 arcsec
galactic coordinates	longitude: 175.87°	latitude: 55.09°

magnitude

visual magnitude

3.45 (V on UBV Johnson system)

spectral / color information

spectral class	A2IV
B-V-magnitude	0.03
U-B-magnitude	0.06
R-I-magnitude

miscellaneous information

note (category: group membership):

Hyades group.

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

position, motion, parallax:

position (J2000)	RA: 10h 17min 5.796sec	DEC: +42° 54' 51.81''	±0.43 arcsec	source: 16
proper motion (J2000)	RA: -0.0149 arcsec/a	DEC: -0.038 arcsec/a		source: 25
radial velocity	18 km/s			source: 25
trigonometric parallax	0.03 arcsec		±0.003 arcsec	source: 25
galactic coord. (B1950)	longitude: 175.87°	latitude: 55.09°

magnitude:

visual	3.45 (observed)	source: 25
photovisual	3.5	source: 2

spectral information:

spectral class	A2		source: 96
Morgan-Keenan	A2IV		source: 25
B-magnitude	3.48 ±0.05	B-V-magnitude	0.03
U-magnitude	3.54 ±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: 10h 14min 5.353sec	DEC: +43° 9' 53.54''	±0.004 arcsec
position (J2000)	RA: 10h 17min 5.799sec	DEC: +42° 54' 51.78''
proper motion B1950 (FK4)	RA: -0.0151 arcsec/a	DEC: -0.043 arcsec/a	±0.001 arcsec/a in RA ±0.001 arcsec/a in DEC
proper motion J2000 (FK5)	RA: -0.0149 arcsec/a	DEC: -0.038 arcsec/a
source of proper motion data	Determined by source catalog

magnitude:

visual	3.5 (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: 383
Durchmusterung	BD+43 2005
Boss General Catalogue	14113
Henry Draper Catalogue	89021