Wide field around SS Leporis. The field of view is approximately 2.7 degrees. Credit: ESO/Digitized Sky Survey 2. Acknowledgment: Davide De Martin. |
|
Observation data Epoch J2000.0 Equinox J2000.0 (ICRS) |
|
---|---|
Constellation | Lepus |
Right ascension | 06h 04m 59.1292s[1] |
Declination | −16° 29′ 03.965″[1] |
Apparent magnitude (V) | 4.82 to 5.06 (combined)[2] |
Characteristics | |
Spectral type | A1 / M3–4.5 (spectroscopic binary)[3] |
U−B color index | +0.12 (combined)[4] |
B−V color index | +0.24 (combined)[4] |
R−I color index | +0.52 (combined)[4] |
Variable type | ZAND[2] |
Astrometry | |
Radial velocity (Rv) | 18.74 ± 0.10 (center of mass)[5] km/s |
Proper motion (μ) | RA: −5.57[1] mas/yr Dec.: −3.17[1] mas/yr |
Parallax (π) | 3.05 ± 0.67[1] mas |
Distance | approx. 1100 ly (approx. 330 pc) |
Absolute magnitude (MV) | −2.6 (combined)[6] |
Orbit[5] | |
Period (P) | 260.34 ± 1.80 days |
Eccentricity (e) | 0.024 ± 0.005 |
Periastron epoch (T) | 2448528.78 ± 0.37 HJD |
Argument of periastron (ω) (secondary) |
203.7 ± 0.4° |
Semi-amplitude (K1) (primary) |
6.1 ± 1.0 km/s |
Semi-amplitude (K2) (secondary) |
21.32 ± 0.21 km/s |
Other designations | |
Database references | |
SIMBAD | data |
17 Leporis (17 Lep) is a spectroscopic binary star in the constellation of Lepus.[7] It has an overall apparent visual magnitude which varies between 4.82 and 5.06.[2]
|