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	Pherkad Minor, 11 UMi, HR 5714, HD 136726, SAO 8207, BD +72 678
constellation	Ursa Minor

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

note (category: star names):

Pherkad Minor. Sometimes called Gamma1 UMi. HR 5735 is Gamma or Gamma2.

position, motion, parallax:

position (J2000)	RA: 15h 17min 5.9sec	DEC: +71° 49' 26''
position (B1900)	RA: 15h 17min 10.2sec	DEC: +72° 11' 12''
proper motion (J2000)	RA: 0.007 arcsec/a	DEC: 0.011 arcsec/a
radial velocity	-16 km/s
rotational velocity	<17 km/s (uncertain) (variable)
trigonometric parallax	0.015 arcsec
galactic coordinates	longitude: 108.72°	latitude: 41.04°

magnitude

visual magnitude

5.02 (V on UBV Johnson system)

spectral / color information

spectral class	K4III
B-V-magnitude	1.37
U-B-magnitude	1.6
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: 15h 17min 5.891sec	DEC: +71° 49' 26.2''	±0.35 arcsec	source: 17
proper motion (J2000)	RA: 0.0014 arcsec/a	DEC: 0.012 arcsec/a		source: 25
radial velocity	-16 km/s			source: 25
trigonometric parallax	0.015 arcsec		±0.002 arcsec	source: 25
galactic coord. (B1950)	longitude: 108.72°	latitude: 41.04°

magnitude:

visual	5.02 (observed)	source: 25
photovisual	5.1	source: 2
photographic	6.1	source: 16

spectral information:

spectral class	K0		source: 96
Morgan-Keenan	K4III		source: 25
B-magnitude	6.39 ±0.05	B-V-magnitude	1.37
U-magnitude	7.99 ±0.05	U-B-magnitude	1.6

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: 15h 17min 7.11sec	DEC: +72° 0' 19.08''	±0.015 arcsec
position (J2000)	RA: 15h 17min 5.941sec	DEC: +71° 49' 25.97''
proper motion B1950 (FK4)	RA: 0.0003 arcsec/a	DEC: 0.009 arcsec/a	±0.003 arcsec/a in RA ±0.002 arcsec/a in DEC
proper motion J2000 (FK5)	RA: 0.0015 arcsec/a	DEC: 0.011 arcsec/a
source of proper motion data	Determined by source catalog

magnitude:

visual	5.1 (accuracy: 2 decimals)
source of visual magnitude data	Taken from Harvard or San Luis photometry.

spectral information:

spectral class	K0
source of spectral data	Taken from the Henry Draper Catalogue or no spectrum in source catalog.

catalogues

source catalogue	GC, catalogue number: 20598
Durchmusterung	BD+72 678
Boss General Catalogue	20598
Henry Draper Catalogue	136726