z Leporis
catalogues and names |
The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version) |
SKY2000 - Master Star Catalog |
Smithsonian Astrophysical Observatory Star Catalog |
catalogues and names
catalogues and names | z Lep, 14 Lep, HR 1998, HD 38678, SAO 150801, BD -14 1232, FK5: 219 |
constellation | Lepus |
data from The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version) (Hoffleit+, 1991)
position, motion, parallax:
position (J2000) | RA: 5h 46min 57.3sec | DEC: -14° 49' 19'' | ||
position (B1900) | RA: 5h 42min 25.4sec | DEC: -14° 51' 33'' | ||
proper motion (J2000) | RA: -0.016 arcsec/a | DEC: -0.001 arcsec/a | ||
radial velocity | 20 km/s note: spectroscopic binaries |
|||
rotational velocity | 202 km/s (uncertain) (variable) | |||
trigonometric parallax | 0.049 arcsec | |||
galactic coordinates | longitude: 219.4° | latitude: -20.83° |
magnitude
visual magnitude | 3.55 (V on UBV Johnson system) |
spectral / color information
spectral class | A3Vn |
B-V-magnitude | 0.1 |
U-B-magnitude | 0.07 |
R-I-magnitude |
data from SKY2000 - Master Star Catalog (Myers+ 1997)
position, motion, parallax:
position (J2000) | RA: 5h 46min 57.332sec | DEC: -14° 49' 19.12'' | ±0.06 arcsec | source: 15 |
proper motion (J2000) | RA: -0.0011 arcsec/a | DEC: -0.001 arcsec/a | source: 25 | |
radial velocity | 20 km/s | source: 25 | ||
trigonometric parallax | 0.049 arcsec | ±0.005 arcsec | source: 25 | |
galactic coord. (B1950) | longitude: 219.4° | latitude: -20.83° |
magnitude:
visual | 3.55 (observed) | source: 25 |
photovisual | 3.7 | source: 2 |
photographic | 3.7 | source: 2 |
spectral information:
spectral class | A2 | source: 96 | |
Morgan-Keenan | A3Vn | source: 25 | |
B-magnitude | 3.65 ±0.05 | B-V-magnitude | 0.1 |
U-magnitude | 3.72 ±0.05 | U-B-magnitude | 0.07 |
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 (B1950) | RA: 5h 44min 41.296sec | DEC: -14° 50' 21.19'' | ±0.006 arcsec |
position (J2000) | RA: 5h 46min 57.325sec | DEC: -14° 49' 19.22'' | |
proper motion B1950 (FK4) | RA: -0.0016 arcsec/a | DEC: -0.003 arcsec/a | ±0.001 arcsec/a in RA ±0.002 arcsec/a in DEC |
proper motion J2000 (FK5) | RA: -0.0011 arcsec/a | DEC: -0.001 arcsec/a | |
source of proper motion data | Determined by source catalog |
magnitude:
visual | 3.7 (accuracy: 2 decimals) |
source of visual magnitude data | Taken from the "Henry Draper Catalogue". |
spectral information:
spectral class | A2 |
source of spectral data | Taken from the Henry Draper Catalogue or no spectrum in source catalog. |
catalogues
source catalogue | FK4, catalogue number: 219 |
Durchmusterung | BD-14 1232 |
Boss General Catalogue | 7247 |
Henry Draper Catalogue | 38678 |