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	d Col, HR 2296, HD 44762, SAO 196735, CD -33 2927
constellation	Columba

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

position, motion, parallax:

position (J2000)	RA: 6h 22min 6.8sec	DEC: -33° 26' 11''
position (B1900)	RA: 6h 18min 27.5sec	DEC: -33° 23' 9''
proper motion (J2000)	RA: -0.024 arcsec/a	DEC: -0.055 arcsec/a
radial velocity	-3 km/s note: spectroscopic binaries note: orbital data avaible
trigonometric parallax	0.019 arcsec
galactic coordinates	longitude: 241.03°	latitude: -20.24°

magnitude

visual magnitude

3.85 (V on UBV Johnson system)

spectral / color information

spectral class	G7II
B-V-magnitude	0.88
U-B-magnitude	0.52
R-I-magnitude

note (category: colors):

IR source.

double/multiple star system information

note (category: spectroscopic binaries):

868.78d, K 10.6k/s, V0 -2.6k/s, asini 90.4.

miscellaneous information

note (category: group membership):

In Ursa cluster? Sirius group.

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

position, motion, parallax:

position (J2000)	RA: 6h 22min 6.81sec	DEC: -33° 26' 11.18''	±0.19 arcsec	source: 16
proper motion (J2000)	RA: -0.0018 arcsec/a	DEC: -0.054 arcsec/a		source: 25
radial velocity	-3 km/s			source: 25
trigonometric parallax	0.019 arcsec		±0.002 arcsec	source: 25
galactic coord. (B1950)	longitude: 241.03°	latitude: -20.24°

magnitude:

visual	3.85 (observed)	source: 25
photovisual	4	source: 2
photographic	4.8	source: 2

spectral information:

spectral class	G5		source: 96
Morgan-Keenan	G7II		source: 25
B-magnitude	4.73 ±0.05	B-V-magnitude	0.88
U-magnitude	5.25 ±0.05	U-B-magnitude	0.52

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: 6h 20min 17.078sec	DEC: -33° 24' 36.07''	±0.018 arcsec
position (J2000)	RA: 6h 22min 6.805sec	DEC: -33° 26' 11.29''
proper motion B1950 (FK4)	RA: -0.0024 arcsec/a	DEC: -0.056 arcsec/a	±0.004 arcsec/a in RA ±0.003 arcsec/a in DEC
proper motion J2000 (FK5)	RA: -0.002 arcsec/a	DEC: -0.055 arcsec/a
source of proper motion data	Determined by source catalog

magnitude:

visual	4 (accuracy: 2 decimals)
source of visual magnitude data	Taken from Harvard or San Luis photometry.

spectral information:

spectral class	G5
source of spectral data	Taken from the Henry Draper Catalogue or no spectrum in source catalog.

catalogues

source catalogue	GC, catalogue number: 8214
Durchmusterung	CD-33 2927
Boss General Catalogue	8214
Henry Draper Catalogue	44762