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	z1Mus, HR 4704, HD 107567, SAO 251868, CP -67 1939
constellation	Musca

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

position, motion, parallax:

position (J2000)	RA: 12h 22min 11.9sec	DEC: -68° 18' 27''
position (B1900)	RA: 12h 16min 36.7sec	DEC: -67° 45' 4''
proper motion (J2000)	RA: -0.016 arcsec/a	DEC: -0.057 arcsec/a
radial velocity	20 km/s note: variable radial velocity
galactic coordinates	longitude: 300.22°	latitude: -5.59°

magnitude

visual magnitude

5.74 (V on UBV Johnson system)

spectral / color information

spectral class	K0III
B-V-magnitude	1.04
U-B-magnitude	0.82

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

position, motion, parallax:

position (J2000)	RA: 12h 22min 12.037sec	DEC: -68° 18' 26.27''	±0.19 arcsec	source: 16
proper motion (J2000)	RA: 0.0004 arcsec/a	DEC: -0.052 arcsec/a		source: 25
radial velocity	20 km/s			source: 25
galactic coord. (B1950)	longitude: 300.23°	latitude: -5.59°

magnitude:

visual	5.74 (observed)	source: 25
photovisual	5.9	source: 16

spectral information:

spectral class	K0		source: 96
Morgan-Keenan	K0III		source: 25
B-magnitude	6.78 ±0.05	B-V-magnitude	1.04
U-magnitude	7.6 ±0.05	U-B-magnitude	0.82

sources:

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: 12h 19min 23.197sec	DEC: -68° 1' 45.87''	±0.032 arcsec
position (J2000)	RA: 12h 22min 11.875sec	DEC: -68° 18' 27.11''
proper motion B1950 (FK4)	RA: -0.0017 arcsec/a	DEC: -0.064 arcsec/a	±0.009 arcsec/a in RA ±0.006 arcsec/a in DEC
proper motion J2000 (FK5)	RA: -0.003 arcsec/a	DEC: -0.057 arcsec/a
source of proper motion data	Determined by source catalog

magnitude:

visual	5.8 (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: 16860
Durchmusterung	CP-67 1939
Boss General Catalogue	16860
Henry Draper Catalogue	107567