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	29 Ori, HR 1784, HD 35369, SAO 132067, BD -7 1064
constellation	Orion

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

position, motion, parallax:

position (J2000)	RA: 5h 23min 56.8sec	DEC: -7° 48' 29''
position (B1900)	RA: 5h 19min 7.7sec	DEC: -7° 53' 59''
proper motion (J2000)	RA: -0.015 arcsec/a	DEC: -0.043 arcsec/a
radial velocity	-18 km/s note: suspected variable radial velocity
rotational velocity	<17 km/s (uncertain) (variable)
trigonometric parallax	0.011 arcsec
galactic coordinates	longitude: 209.98°	latitude: -22.98°

magnitude

visual magnitude

4.14 (V on UBV Johnson system)

spectral / color information

spectral class	G8IIIFe-0.5
B-V-magnitude	0.96
U-B-magnitude	0.69
R-I-magnitude
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: 5h 23min 56.816sec	DEC: -7° 48' 29.16''	±0.19 arcsec	source: 16
proper motion (J2000)	RA: -0.0012 arcsec/a	DEC: -0.043 arcsec/a		source: 25
radial velocity	-18 km/s			source: 25
trigonometric parallax	0.011 arcsec		±0.001 arcsec	source: 25
galactic coord. (B1950)	longitude: 209.98°	latitude: -22.98°

magnitude:

visual	4.14 (observed)	source: 25
photovisual	4.2	source: 2
photographic	5.2	source: 2

spectral information:

spectral class	K0		source: 96
Morgan-Keenan	G8IIIFe-0.5		source: 25
B-magnitude	5.1 ±0.05	B-V-magnitude	0.96
U-magnitude	5.79 ±0.05	U-B-magnitude	0.69

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: 5h 21min 32.197sec	DEC: -7° 51' 9.07''	±0.023 arcsec
position (J2000)	RA: 5h 23min 56.824sec	DEC: -7° 48' 28.96''
proper motion B1950 (FK4)	RA: -0.0014 arcsec/a	DEC: -0.044 arcsec/a	±0.005 arcsec/a in RA ±0.004 arcsec/a in DEC
proper motion J2000 (FK5)	RA: -0.001 arcsec/a	DEC: -0.043 arcsec/a
source of proper motion data	Determined by source catalog

magnitude:

visual	4.2 (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: 6646
Durchmusterung	BD-07 1064
Boss General Catalogue	6646
Henry Draper Catalogue	35369