k2Lupi


The object was found in the following catalogues:
  1. The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version)

  2. SKY2000 - Master Star Catalog

  3. Smithsonian Astrophysical Observatory Star Catalog

  4. The Washington Visual Double Star Catalog, 1996.0


catalogues and names k2Lup, HR 5647, HD 134482, SAO 225526, WDS 15119-4844B
constellation Lupus

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


position, motion, parallax:

position (J2000) RA: 15h 11min 57,6sec DEC: -48 44' 37''
position (J1900) RA: 15h 5min 0,4sec DEC: -48 21' 49''
proper motion (J2000) RA: -0,103 arcsec/a DEC: -0,04 arcsec/a
radial velocity 0 km/s
rotational velocity 186 km/s (uncertain) (variable)

magnitude

visual magnitude 5,69
(V on UBV Johnson system)

spectral / color information

spectral class A3IV
B-V-magnitude 0,14
U-B-magnitude 0,09

double/multiple star system information

separation 26,6 arcsec
mag difference (of double or brightest multiple) 1,9
note Worley (1978) update of the IDS
note (category: double and multiple data): See HR 5646.

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

position, motion, parallax:

position (J2000) RA: 15h 11min 57,555sec DEC: -48 44' 36,81'' 0,19 arcsec source: 16
proper motion (J2000) RA: -0,0132 arcsec/a DEC: -0,037 arcsec/a source: 25
radial velocity 0 km/s source: 25
galactic coord. (B1950) longitude: 325,46 latitude: 7,88
GCI unit vector (J2000) X: -0,441332 Y: -0,489974 Z: -0,751766

magnitude:

visual 5,69 (observed) source: 25
photovisual 6 source: 16
photographic 6 source: 2

spectral information:

spectral class A0 source: 96
Morgan-Keenan A3IV source: 25
B-magnitude 5,83 0,05 B-V-magnitude 0,14
U-magnitude 5,92 0,05 U-B-magnitude 0,09

double/multiple star system information:

source of data: 25
separation between brightest and second brightest component 26,6 arcsec
magnitude difference between brightest and second brightest component 1,9

component magnitude spectral class catalogue(s)/name(s)
A 3,87 B9 k1Lupi, HR 5646, HD 134481, SAO 225525
B 5,69 A0 k2Lupi, HR 5647, HD 134482, SAO 225526

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 (J1950) RA: 15h 8min 28,35sec DEC: -48 33' 18,67'' 0,052 arcsec
position (J2000) RA: 15h 11min 57,633sec DEC: -48 44' 37,26''
proper motion J1950 (FK4) RA: -0,0103 arcsec/a DEC: -0,042 arcsec/a 0,011 arcsec/a in RA
0,008 arcsec/a in DEC
proper motion J2000 (FK5) RA: -0,0104 arcsec/a DEC: -0,04 arcsec/a
source of proper motion data Determined by source catalog

magnitude:

visual 6 (accuracy: 2 decimals)
source of visual magnitude data Taken from Harvard or San Luis photometry.

spectral information:

spectral class A0
source of spectral data Taken from the Henry Draper Catalogue or no spectrum in source catalog.

catalogues

source catalogue GC, catalogue number: 20411
Durchmusterung CD-48 9705
Boss General Catalogue 20411
Henry Draper Catalogue 134482

data from The Washington Visual Double Star Catalog, 1996.0 (Worley+, 1996)

position and proper motion:

position (J2000) RA: 15h 11,9min DEC: -48 44'
proper motion (J2000) RA: -0,095 arcsec/a DEC: -0,049 arcsec/a

double/multiple star system information:

component year number of measures position angle angular separation magnitude of 1st component magnitude of 2nd component spectral class(es) discoverer code
- 1826 15 144 27,2'' 3,87 5,7 B9.5V+A5V DUN 177
1982 - 26,6''

discoverer information:

discoverer code discoverer reference
DUN 177 Dunlop, J. -

notes:

note Kappa (1) Lup. B is CD-48@9705, Kappa (2) Lup. Proper motion of B -097 -042.