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	NSV 16291, 22 Ori, HR 1765, HD 35039, SAO 132028, BD +0 930, FK5: 1147
constellation	Orion

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

position, motion, parallax:

position (J2000)	RA: 5h 21min 45.7sec	DEC: -0° 22' 57''
position (B1900)	RA: 5h 16min 39.4sec	DEC: -0° 28' 52''
proper motion (J2000)	RA: 0 arcsec/a	DEC: -0.001 arcsec/a
radial velocity	29 km/s note: spectroscopic binaries, single lined spectra note: orbital data avaible
rotational velocity	14 km/s (uncertain) (variable)
galactic coordinates	longitude: 202.63°	latitude: -20.03°

magnitude

visual magnitude

4.73 (V on UBV Johnson system)

spectral / color information

spectral class	B2IV-V
B-V-magnitude	-0.17
U-B-magnitude	-0.79
R-I-magnitude

double/multiple star system information

note (category: spectroscopic binaries):

293.0d, K 4.1k/s, V0 +27.9k/s, asini 16.33.

miscellaneous information

note (category: group membership):

Ori OB1a; Orion belt.

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

position, motion, parallax:

position (J2000)	RA: 5h 21min 45.743sec	DEC: -0° 22' 57.07''	±0.06 arcsec	source: 15
proper motion (J2000)	RA: 0 arcsec/a	DEC: -0.001 arcsec/a		source: 25
radial velocity	29 km/s			source: 25
galactic coord. (B1950)	longitude: 202.64°	latitude: -20.03°

magnitude:

visual	4.73 (observed)	source: 25
photovisual	4.7	source: 2

spectral information:

spectral class	B3		source: 96
Morgan-Keenan	B2IV-V		source: 25
B-magnitude	4.56 ±0.05	B-V-magnitude	-0.17
U-magnitude	3.77 ±0.05	U-B-magnitude	-0.79

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
15	FK5, FK5 Extension and FK5 Supplement
Fricke, W., H. Schwan and T. Lederle, "Fifth Fundamental Catalogue (FK5), Part I. The Basic Fundamental Stars," Veroff. Astronomisches Recheninstitut, No. 32, Heidelberg, Germany, 1988, and Fricke, W., H. Schwan, and T.E. Corbin, "Fifth Fundamental Catalogue (FK5), Part II. The FK5 Extension," Veröff. Astronomisches Recheninstitut, No. 33, Heidelberg, Germany, 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: 5h 19min 12.471sec	DEC: -0° 25' 49.03''	±0.006 arcsec
position (J2000)	RA: 5h 21min 45.746sec	DEC: -0° 22' 57.15''
proper motion B1950 (FK4)	RA: -0.0003 arcsec/a	DEC: -0.001 arcsec/a	±0.001 arcsec/a in RA ±0.002 arcsec/a in DEC
proper motion J2000 (FK5)	RA: 0 arcsec/a	DEC: -0.002 arcsec/a
source of proper motion data	Determined by source catalog

magnitude:

visual	4.6 (accuracy: 2 decimals)
source of visual magnitude data	Taken from the "Henry Draper Catalogue".

spectral information:

spectral class	B3
source of spectral data	Taken from the Henry Draper Catalogue or no spectrum in source catalog.

catalogues

source catalogue	FK4, catalogue number: 1147
Durchmusterung	BD-00 930
Boss General Catalogue	6579
Henry Draper Catalogue	35039