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	e Lib, 31 Lib, HR 5723, HD 137052, SAO 159234, BD -9 4138
constellation	Libra

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

position, motion, parallax:

position (J2000)	RA: 15h 24min 11.9sec	DEC: -10° 19' 20''
position (B1900)	RA: 15h 18min 46.5sec	DEC: -9° 57' 46''
proper motion (J2000)	RA: -0.067 arcsec/a	DEC: -0.154 arcsec/a
radial velocity	-10 km/s note: spectroscopic binaries, single lined spectra note: orbital data avaible
rotational velocity	0 km/s (uncertain) (variable)
trigonometric parallax	0.035 arcsec
galactic coordinates	longitude: 352.84°	latitude: 37.34°

magnitude

visual magnitude

4.94 (V on UBV Johnson system)

spectral / color information

spectral class	F5IV
B-V-magnitude	0.44
U-B-magnitude	0.02

double/multiple star system information

note (category: spectroscopic binaries):

226.95d, K 14.0k/s, V0 -9.7k/s, asini 32.0. Unresolved by speckle interferometry.

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

position, motion, parallax:

position (J2000)	RA: 15h 24min 11.882sec	DEC: -10° 19' 20.14''	±0.19 arcsec	source: 16
proper motion (J2000)	RA: -0.005 arcsec/a	DEC: -0.152 arcsec/a		source: 25
radial velocity	-10 km/s			source: 25
trigonometric parallax	0.035 arcsec		±0.003 arcsec	source: 25
galactic coord. (B1950)	longitude: 352.85°	latitude: 37.34°

magnitude:

visual	4.94 (observed)	source: 25
photovisual	4.8	source: 16
photographic	5.4	source: 2

spectral information:

spectral class	F0		source: 96
Morgan-Keenan	F5IV		source: 25
B-magnitude	5.38 ±0.05	B-V-magnitude	0.44
U-magnitude	5.4 ±0.05	U-B-magnitude	0.02

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: 15h 21min 29.016sec	DEC: -10° 8' 37.9''	±0.019 arcsec
position (J2000)	RA: 15h 24min 11.903sec	DEC: -10° 19' 20.26''
proper motion B1950 (FK4)	RA: -0.0048 arcsec/a	DEC: -0.158 arcsec/a	±0.003 arcsec/a in RA ±0.003 arcsec/a in DEC
proper motion J2000 (FK5)	RA: -0.0045 arcsec/a	DEC: -0.154 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	F0
source of spectral data	Taken from the Henry Draper Catalogue or no spectrum in source catalog.

catalogues

source catalogue	GC, catalogue number: 20699
Durchmusterung	BD-09 4138
Boss General Catalogue	20699
Henry Draper Catalogue	137052