k Leporis


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 k Lep, NSV 16265, 4 Lep, HR 1705, HD 33949, SAO 150239, WDS 05132-1256
constellation Lepus

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


position, motion, parallax:

position (J2000) RA: 5h 13min 13,9sec DEC: -12 56' 29''
position (J1900) RA: 5h 8min 36,8sec DEC: -13 3' 35''
proper motion (J2000) RA: -0,014 arcsec/a DEC: -0,009 arcsec/a
radial velocity 18 km/s
note: variable radial velocity
rotational velocity 124 km/s (uncertain) (variable)
trigonometric parallax 0,034 arcsec

magnitude

visual magnitude 4,36
(V on UBV Johnson system)

spectral / color information

spectral class B9V
B-V-magnitude -0,1
U-B-magnitude -0,37
R-I-magnitude -0,09

double/multiple star system information

separation 2,6 arcsec
mag difference (of double or brightest multiple) 2,7
note (category: double and multiple data): CPM. Combined mag., colors. Companion B9V, optical?

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

position, motion, parallax:

position (J2000) RA: 5h 13min 13,865sec DEC: -12 56' 28,44'' 0,19 arcsec source: 16
proper motion (J2000) RA: -0,0011 arcsec/a DEC: 0,007 arcsec/a source: 25
radial velocity 18 km/s source: 25
trigonometric parallax 0,034 0,003 arcsec source: 25
galactic coord. (B1950) longitude: 213,88 latitude: -27,55
GCI unit vector (J2000) X: 0,197507 Y: 0,954378 Z: -0,223952

magnitude:

visual 4,36 (observed) source: 25
photovisual 3,9 source: 16
photographic 4,4 source: 2

spectral information:

spectral class B8 source: 96
Morgan-Keenan B9V source: 25
B-magnitude 4,26 0,05 B-V-magnitude -0,1
U-magnitude 3,89 0,05 U-B-magnitude -0,37

double/multiple star system information:

source of data: 19
separation between brightest and second brightest component 2,3 arcsec
magnitude difference between brightest and second brightest component 2,9
position angle 357

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
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: 5h 10min 55,232sec DEC: -12 59' 57,16'' 0,032 arcsec
position (J2000) RA: 5h 13min 13,876sec DEC: -12 56' 29,47''
proper motion J1950 (FK4) RA: -0,0014 arcsec/a DEC: -0,01 arcsec/a 0,005 arcsec/a in RA
0,004 arcsec/a in DEC
proper motion J2000 (FK5) RA: -0,0009 arcsec/a DEC: -0,009 arcsec/a
source of proper motion data Determined by source catalog

magnitude:

visual 4,5 (accuracy: 2 decimals)
source of visual magnitude data Taken from Harvard or San Luis photometry.

spectral information:

spectral class B8
source of spectral data Taken from the Henry Draper Catalogue or no spectrum in source catalog.

remarks for duplicity and variability

Double star in Aitken's Double Star Catalogue (Aitken 1932)

catalogues

source catalogue GC, catalogue number: 6387
Durchmusterung BD-13 1092
Boss General Catalogue 6387
Henry Draper Catalogue 33949

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

position and proper motion:

position (J2000) RA: 5h 13,2min DEC: -12 56'
proper motion (J2000) RA: -0,011 arcsec/a DEC: 0,001 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
- 1832 33 359 3'' 4,5 7,4 B9V STF 661
1959 357 2,3''

discoverer information:

discoverer code discoverer reference
STF 661 Struve, F.G.W. -