g 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 g Lep, 13 Lep, HR 1983, HD 38393, SAO 170759, FK5: 217, WDS 05445-2227A
constellation Lepus

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


object is infrared source (NASA merged infrared catalogue, Schmitz et al., 1978)

position, motion, parallax:

position (J2000) RA: 5h 44min 27,8sec DEC: -22 26' 54''
position (J1900) RA: 5h 40min 17,6sec DEC: -22 28' 51''
proper motion (J2000) RA: -0,293 arcsec/a DEC: -0,37 arcsec/a
radial velocity -10 km/s
rotational velocity 11 km/s (uncertain) (variable)
trigonometric parallax 0,128 arcsec

magnitude

visual magnitude 3,6
(V on UBV Johnson system)

spectral / color information

spectral class F6V
B-V-magnitude 0,47
U-B-magnitude 0
R-I-magnitude 0,26

double/multiple star system information

number of components of multiple star system 3
separation 96,5 arcsec
mag difference (of double or brightest multiple) 2,5
component ID AB
note (category: double and multiple data): CPM with HR 1982.

miscellaneous information

note (category: group membership): Sirius group; UMa stream.

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

position, motion, parallax:

position (J2000) RA: 5h 44min 27,784sec DEC: -22 26' 54,31'' 0,06 arcsec source: 15
proper motion (J2000) RA: -0,0211 arcsec/a DEC: -0,37 arcsec/a source: 25
radial velocity -10 km/s source: 25
trigonometric parallax 0,128 0,013 arcsec source: 25
galactic coord. (B1950) longitude: 226,79 latitude: -24,27
GCI unit vector (J2000) X: 0,062608 Y: 0,922101 Z: -0,381852

magnitude:

visual 3,6 (observed) source: 25
photovisual 3,8 source: 2
photographic 4,3 source: 2

spectral information:

spectral class F8 source: 96
Morgan-Keenan F6V source: 25
B-magnitude 4,07 0,05 B-V-magnitude 0,47
U-magnitude 4,07 0,05 U-B-magnitude 0

double/multiple star system information:

source of data: 19
separation between brightest and second brightest component 96,8 arcsec
magnitude difference between brightest and second brightest component 2,55
position angle 350

component magnitude spectral class catalogue(s)/name(s)
A 3,6 F8 g Leporis, 13 Lep, HR 1983, HD 38393, SAO 170759
B 6,15 G5 HR 1982, HD 38392, SAO 170757

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: 5h 42min 22,653sec DEC: -22 27' 48,3'' 0,007 arcsec
position (J2000) RA: 5h 44min 27,801sec DEC: -22 26' 54,36''
proper motion J1950 (FK4) RA: -0,0212 arcsec/a DEC: -0,373 arcsec/a 0,001 arcsec/a in RA
0,002 arcsec/a in DEC
proper motion J2000 (FK5) RA: -0,021 arcsec/a DEC: -0,371 arcsec/a
source of proper motion data Determined by source catalog

magnitude:

visual 3,8 (accuracy: 2 decimals)
source of visual magnitude data Taken from the "Henry Draper Catalogue".

spectral information:

spectral class F8
source of spectral data Taken from the Henry Draper Catalogue or no spectrum in source catalog.

catalogues

source catalogue FK4, catalogue number: 217
Durchmusterung BD-22 1211
Boss General Catalogue 7197
Henry Draper Catalogue 38393

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

position and proper motion:

position (J2000) RA: 5h 44,5min DEC: -22 27'
proper motion (J2000) RA: -0,293 arcsec/a DEC: -0,37 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
AB 1825 18 350 94'' 3,6 6,15 F6V K2V H 40
1980 - 96,8''
BC 1832 1 345 45'' 6,15 11 - H 50

discoverer information:

discoverer code discoverer reference
H 40 Herschel, W. -
H 50 Herschel, W. -

notes:

note AB: H VI 40. Gamma Lep. Proper motion of B -304 -358. BC: H V 50. C is CPD-22@883.