k2Lupi
| 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:
| 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. |