GV Leo
| Simbad link | GV Leo |
|---|---|
| Source publication | Kriwattanawong, Wichean (2013) - A photometric study of an EW-type binary system: GV Leo |
| ADS link | 2013RAA....13.1330K |
| Name in Source publication | GV Leo |
| Orbital period in days (P [d]) | 0.266732 |
| Mass ratio (q) | 0.19 |
| Mass ratio determination | Photometric |
| Type | W |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? |
| Solver | WD |
|---|---|
| Orbital period in days (P [d]) | 0.266732 |
| Mass ratio (q) | 0.19 |
| Orbital inclination in degrees (i [o]) | 76.1 |
| Fillout (f) | 0.18 |
| Primary temperature in Kelvins (T1 [K]) | 4850 |
| Secondary temperature in Kelvins (T2 [K]) | 5344 |
| Primary polar radius in units of orbital separation (r1p) | 0.4968 |
| Secondary polar radius in units of orbital separation (r2p) | 0.2345 |
| Surface potential (Ω) | 2.181 |
| Orbital separation in solar radii (a [R]) | |
|---|---|
| Primary radius in solar units (R1 [R]) | |
| Secondary radius in solar units (R2 [R]) | |
| Primary mass in solar units (M1 [M]) | |
| Secondary mass in solar units (M2 [M]) | |
| Primary temperature in kelvins (T1 [K]) | 4850 |
| Secondary temperature in Kelvins (T2 [K]) | 5344 |
| Primary luminosity in solar units (L1 [L]) | |
| Secondary luminosity in solar units (L2 [L]) | |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) |
| Orbital period in days (P [d]) | 0.266732 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | -0.042768 |
| Cyclic period variation in years (Pc [y]) |
| Designation | Gaia DR2 622383646439544320 |
|---|---|
| RA | 152:59:46.70844 |
| DEC | 16:52:30.629028 |
| l | 220.0486052 |
| b | 51.82113273 |
| G magnitude | 11.444433 |
| G_bp magnitude | 11.871794 |
| G_rp magnitude | 10.88308 |
| Radial velocity [km/s] | 44.73651927 |
| Parallax | 5.025724963 |
| Distance [pc] | 198.976269 |
| Temperature [K] | 5235.2666 |
| Radius [R] | 1.1034337 |
| Luminosity [L] | 0.82402897 |
| Orbital period [d] | 0.266727 |
|---|---|
| Temperature [K] | 5310.69 |
| Surface gravity (log(g)) | 4.148 |
| Metallicity ([Fe/H]) | -0.372 |
| Simbad link | GV Leo |
|---|---|
| J magnitude | 10.056 |
| H magnitude | 9.659 |
| K magnitude | 9.552 |
| Johnson_U magnitude | |
| Johnson_B magnitude | 12.22 |
| Johnson_V magnitude | 11.73 |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 11.4444 |
| Sloan_r magnitude | |
| Sloan_i magnitude | |
| Sloan_z magnitude |