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 16301, 27 Ori, HR 1787, HD 35410, SAO 132070, BD -1 886
constellation	Orion

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

position, motion, parallax:

position (J2000)	RA: 5h 24min 28.9sec	DEC: -0° 53' 29''
position (B1900)	RA: 5h 19min 23.8sec	DEC: -0° 59' 14''
proper motion (J2000)	RA: -0.005 arcsec/a	DEC: 0.132 arcsec/a
radial velocity	20 km/s note: suspected variable radial velocity
rotational velocity	<19 km/s
trigonometric parallax	0.021 arcsec
galactic coordinates	longitude: 203.46°	latitude: -19.68°

magnitude

visual magnitude

5.08 (V on UBV Johnson system)

spectral / color information

spectral class	G9III-IVFe-1
B-V-magnitude	0.96
U-B-magnitude	0.69
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 24min 28.892sec	DEC: -0° 53' 29.11''	±0.2 arcsec	source: 52
proper motion (J2000)	RA: -0.0008 arcsec/a	DEC: 0.135 arcsec/a		source: 25
radial velocity	20 km/s			source: 25
trigonometric parallax	0.021 arcsec		±0.002 arcsec	source: 25
galactic coord. (B1950)	longitude: 203.46°	latitude: -19.68°

magnitude:

visual	5.08 (observed)	source: 25
photovisual	5.2	source: 2
photographic	6.3	source: 16

spectral information:

spectral class	G5		source: 96
Morgan-Keenan	G9III-IVFe-0.5		source: 25
B-magnitude	6.04 ±0.05	B-V-magnitude	0.96
U-magnitude	6.73 ±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
52	PPMN-HP subset
PPMN Star Catalogue (Reference 16) High-Precision Subset (Code H)
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 56.259sec	DEC: -0° 56' 16.14''	±0.021 arcsec
position (J2000)	RA: 5h 24min 28.929sec	DEC: -0° 53' 29.31''
proper motion B1950 (FK4)	RA: -0.0007 arcsec/a	DEC: 0.133 arcsec/a	±0.004 arcsec/a in RA ±0.003 arcsec/a in DEC
proper motion J2000 (FK5)	RA: -0.0004 arcsec/a	DEC: 0.132 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	G5
source of spectral data	Taken from the Henry Draper Catalogue or no spectrum in source catalog.

catalogues

source catalogue	GC, catalogue number: 6654
Durchmusterung	BD-01 886
Boss General Catalogue	6654
Henry Draper Catalogue	35410