k1Lupi


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 k1Lup, HR 5646, HD 134481, SAO 225525, FK5: 1398, WDS 15119-4844A
constellation Lupus

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


position, motion, parallax:

position (J2000) RA: 15h 11min 56,1sec DEC: -48 44' 16''
position (J1900) RA: 15h 4min 58,8sec DEC: -48 21' 27''
proper motion (J2000) RA: -0,095 arcsec/a DEC: -0,049 arcsec/a
radial velocity -6 km/s
note: variable radial velocity
rotational velocity 202 km/s (uncertain) (variable)

magnitude

visual magnitude 3,87
(V on UBV Johnson system)

spectral / color information

spectral class B9.5Vne
B-V-magnitude -0,05
U-B-magnitude -0,13
R-I-magnitude -0,01

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): CPM with HR 5647.

miscellaneous information

note (category: group membership): Possible Pleiades group.

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

position, motion, parallax:

position (J2000) RA: 15h 11min 56,081sec DEC: -48 44' 16,29'' 0,06 arcsec source: 15
proper motion (J2000) RA: -0,0096 arcsec/a DEC: -0,049 arcsec/a source: 25
radial velocity -6 km/s source: 25
galactic coord. (B1950) longitude: 325,46 latitude: 7,89
GCI unit vector (J2000) X: -0,441435 Y: -0,489982 Z: -0,7517

magnitude:

visual 3,87 (observed) source: 25
photovisual 4,1 source: 2
photographic 4,1 source: 2

spectral information:

spectral class B9 source: 96
Morgan-Keenan B9.5Vne source: 25
B-magnitude 3,82 0,05 B-V-magnitude -0,05
U-magnitude 3,69 0,05 U-B-magnitude -0,13

double/multiple star system information:

source of data: 19
separation between brightest and second brightest component 26,6 arcsec
magnitude difference between brightest and second brightest component 1,83
position angle 144

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
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
19 WDS Catalog
Worley, C.E., and G.G. Douglass, Washington Catalog of Visual Double Stars 1996.0, United States Naval Observatory, 1996
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 26,767sec DEC: -48 32' 57,12'' 0,013 arcsec
position (J2000) RA: 15h 11min 56,062sec DEC: -48 44' 16,14''
proper motion J1950 (FK4) RA: -0,0097 arcsec/a DEC: -0,049 arcsec/a 0,003 arcsec/a in RA
0,003 arcsec/a in DEC
proper motion J2000 (FK5) RA: -0,0098 arcsec/a DEC: -0,047 arcsec/a
source of proper motion data Determined by source catalog

magnitude:

visual 4,1 (accuracy: 2 decimals)
source of visual magnitude data Taken from the "Henry Draper Catalogue".

spectral information:

spectral class B9
source of spectral data Taken from the Henry Draper Catalogue or no spectrum in source catalog.

catalogues

source catalogue FK4, catalogue number: 1398
Durchmusterung CD-48 9704
Boss General Catalogue 20409
Henry Draper Catalogue 134481

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.