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	Muscida, p1UMa, NSV 17937, 3 UMa, HR 3391, HD 72905, SAO 14609, BD +65 643
constellation	Ursa Major

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

note (category: star names):

Muscida, with HR 3403.

position, motion, parallax:

position (J2000)	RA: 8h 39min 11.7sec	DEC: +65° 1' 15''
position (B1900)	RA: 8h 30min 19.1sec	DEC: +65° 22' 0''
proper motion (J2000)	RA: -0.024 arcsec/a	DEC: 0.088 arcsec/a
radial velocity	-12 km/s note: suspected variable radial velocity
rotational velocity	4 km/s (uncertain) (variable)
trigonometric parallax	0.073 arcsec
galactic coordinates	longitude: 150.55°	latitude: 35.7°

magnitude

visual magnitude

5.64 (V on UBV Johnson system)

spectral / color information

spectral class	G1.5Vb
B-V-magnitude	0.62
U-B-magnitude	0.07
R-I-magnitude

miscellaneous information

note (category: group membership):

Sirius group; UMa stream.

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

position, motion, parallax:

position (J2000)	RA: 8h 39min 11.731sec	DEC: +65° 1' 15.17''	±0.2 arcsec	source: 52
proper motion (J2000)	RA: -0.0037 arcsec/a	DEC: 0.087 arcsec/a		source: 25
radial velocity	-12 km/s			source: 25
trigonometric parallax	0.073 arcsec		±0.007 arcsec	source: 25
galactic coord. (B1950)	longitude: 150.56°	latitude: 35.7°

magnitude:

visual	5.64 (observed)	source: 25
photovisual	5.7	source: 2
photographic	6.2	source: 16

spectral information:

spectral class	G0		source: 96
Morgan-Keenan	G1.5Vb		source: 25
B-magnitude	6.26 ±0.05	B-V-magnitude	0.62
U-magnitude	6.33 ±0.05	U-B-magnitude	0.07

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
52	PPMN-HP subset
PPMN Star Catalogue (Reference 16) High-Precision Subset (Code H)
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: 8h 34min 46.703sec	DEC: +65° 11' 44.92''	±0.013 arcsec
position (J2000)	RA: 8h 39min 11.748sec	DEC: +65° 1' 15.38''
proper motion B1950 (FK4)	RA: -0.0039 arcsec/a	DEC: 0.086 arcsec/a	±0.003 arcsec/a in RA ±0.002 arcsec/a in DEC
proper motion J2000 (FK5)	RA: -0.0038 arcsec/a	DEC: 0.088 arcsec/a
source of proper motion data	Determined by source catalog

magnitude:

visual	5.7 (accuracy: 2 decimals)
source of visual magnitude data	Taken from Harvard or San Luis photometry.

spectral information:

spectral class	G0
source of spectral data	Taken from the Henry Draper Catalogue or no spectrum in source catalog.

catalogues

source catalogue	GC, catalogue number: 11817
Durchmusterung	BD+65 643
Boss General Catalogue	11817
Henry Draper Catalogue	72905