e Leporis
catalogues and names | e Lep, NSV 01826, 2 Lep, HR 1654, HD 32887, SAO 170051, FK5: 186 |
constellation | Lepus |
data from The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version) (Hoffleit+, 1991)
position, motion, parallax:
position (J2000) | RA: 5h 5min 27,7sec | DEC: -22° 22' 16'' |
position (J1900) | RA: 5h 1min 13,6sec | DEC: -22° 30' 19'' |
proper motion (J2000) | RA: 0,025 arcsec/a | DEC: -0,074 arcsec/a |
radial velocity | 1 km/s | |
trigonometric parallax | 0,011 arcsec |
magnitude
visual magnitude | 3,19 (V on UBV Johnson system) |
spectral / color information
spectral class | K5III |
B-V-magnitude | 1,46 |
U-B-magnitude | 1,78 |
R-I-magnitude | 0,81 |
variability information
variable star identification | 1826 |
data from SKY2000 - Master Star Catalog (Myers+ 1997)
position, motion, parallax:
position (J2000) | RA: 5h 5min 27,662sec | DEC: -22° 22' 15,8'' | ±0,06 arcsec | source: 15 |
proper motion (J2000) | RA: 0,0018 arcsec/a | DEC: -0,074 arcsec/a | source: 25 | |
radial velocity | 1 km/s | source: 25 | ||
trigonometric parallax | 0,011 | ±0,001 arcsec | source: 25 | |
galactic coord. (B1950) | longitude: 223,25° | latitude: -32,73° | ||
GCI unit vector (J2000) | X: 0,21799 | Y: 0,898678 | Z: -0,380603 |
magnitude:
visual | 3,19 (observed) | source: 25 |
photovisual | 3,3 | source: 2 |
photographic | 4,5 | source: 2 |
spectral information:
spectral class | K5 | source: 96 | |
Morgan-Keenan | K5III | source: 25 | |
B-magnitude | 4,65 ±0,05 | B-V-magnitude | 1,46 |
U-magnitude | 6,43 ±0,05 | U-B-magnitude | 1,78 |
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 | |
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 3min 20,563sec | DEC: -22° 26' 12,86'' | ±0,005 arcsec |
position (J2000) | RA: 5h 5min 27,645sec | DEC: -22° 22' 15,56'' | |
proper motion J1950 (FK4) | RA: 0,0013 arcsec/a | DEC: -0,071 arcsec/a | ±0,001 arcsec/a in RA ±0,001 arcsec/a in DEC |
proper motion J2000 (FK5) | RA: 0,0017 arcsec/a | DEC: -0,071 arcsec/a | |
source of proper motion data | Determined by source catalog |
magnitude:
visual | 3,3 (accuracy: 2 decimals) |
source of visual magnitude data | Taken from the "Henry Draper Catalogue". |
spectral information:
spectral class | K5 |
source of spectral data | Taken from the Henry Draper Catalogue or no spectrum in source catalog. |
catalogues
source catalogue | FK4, catalogue number: 186 |
Durchmusterung | BD-22 1000 |
Boss General Catalogue | 6231 |
Henry Draper Catalogue | 32887 |
data from Combined General Catalogue of Variable Stars (suspected variables) (Kholopov+ 1998)
position:
position (J1950) | RA: 5h 3min 20,6sec | DEC: -22° 26' 13'' |
variability informations:
magnitute at max. brightness | 3,12 |
magnitute at min. brightness | 3,2 |
photometric system | visual, photovisual or Johnson's V |
spectral information
spectral class | K5 |
references
to a study | 0807D (designation: 12G LEP) |
miscanellous
There are notes in the published catalog (Kukarkin et al.(1982)). |