KIC 8539720
| Simbad link | KIC 8539720 |
|---|---|
| Source publication | Debski, B. (2022) - The light-curve intrinsic variability in 47 Kepler contact binary stars |
| ADS link | 2022MNRAS.516.5003D |
| Name in Source publication | KIC 8539720 |
| Orbital period in days (P [d]) | 0.744499 |
| Mass ratio (q) | 0.15 |
| Mass ratio determination | Photometric |
| Temperature determination | Unknown |
| Type | Unspecified |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? | |
| Search Kepler catalog of Eclipsing Binaries | KIC 8539720 |
| Search TESS catalog of Eclipsing Binaries | TIC 351804416 |
| Solver | WD |
|---|---|
| Orbital period in days (P [d]) | 0.744499 |
| Mass ratio (q) | 0.15 |
| Orbital inclination in degrees (i [o]) | 82.4 |
| Fillout (f) | 0.9 |
| Primary temperature in Kelvins (T1 [K]) | 6658 |
| Secondary temperature in Kelvins (T2 [K]) | 6402 |
| Primary polar radius in units of orbital separation (r1p) | |
| Secondary polar radius in units of orbital separation (r2p) | |
| Surface potential (Ω) | 2.0114 |
| 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]) | 1.54 |
| Secondary mass in solar units (M2 [M]) | 0.23 |
| Primary temperature in kelvins (T1 [K]) | 6658 |
| Secondary temperature in Kelvins (T2 [K]) | 6402 |
| Primary luminosity in solar units (L1 [L]) | |
| Secondary luminosity in solar units (L2 [L]) | |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) |
| Designation | Gaia DR3 2105421422662054016 |
|---|---|
| RA | 281:59:18.16251 |
| DEC | 44:38:11.183725 |
| l | 74.0181701256529 |
| b | 19.269069571774082 |
| G [mag] | 12.80859 |
| G_bp [mag] | 13.07329 |
| G_rp [mag] | 12.394022 |
| Parallax | 0.6807820955670095 |
| Distance [pc] | 1407.3921 |
| Temperature [K] | 6537.272 |
| Surface gravity log(g) [cm/s2] | 3.8322 |
| Metallicity [Fe/H] | 0.4157 |
| Monochromatic extinction A0 [mag] | 0.1172 |
| Radius [R] | 2.9129748 |
| Luminosity [L] | 12.254533 |
| Temperature [K] | 6542.83 |
|---|---|
| Surface gravity log(g) [cm/s2] | 3.723 |
| Metallicity [Fe/H] | 0.436 |
| Simbad link | KIC 8539720 |
|---|---|
| J magnitude | 12.035 |
| H magnitude | 11.87 |
| K magnitude | 11.8 |
| Johnson_U magnitude | |
| Johnson_B magnitude | 13.47 |
| Johnson_V magnitude | 12.953 |
| Johnson_R magnitude | 13.125 |
| Johnson_I magnitude | 12.317 |
| Sloan_u magnitude | |
| Sloan_g magnitude | 13.115 |
| Sloan_r magnitude | 12.813 |
| Sloan_i magnitude | |
| Sloan_z magnitude |