KIC 8145477
| Simbad link | KIC 8145477 |
|---|---|
| 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 8145477 |
| Orbital period in days (P [d]) | 0.565783 |
| Mass ratio (q) | 0.1 |
| 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 8145477 |
| Search TESS catalog of Eclipsing Binaries | TIC 123490639 |
| Solver | WD |
|---|---|
| Orbital period in days (P [d]) | 0.565783 |
| Mass ratio (q) | 0.1 |
| Orbital inclination in degrees (i [o]) | 84.3 |
| Fillout (f) | 0.75 |
| Primary temperature in Kelvins (T1 [K]) | 6538 |
| Secondary temperature in Kelvins (T2 [K]) | 6284 |
| Primary polar radius in units of orbital separation (r1p) | |
| Secondary polar radius in units of orbital separation (r2p) | |
| Surface potential (Ω) | 1.9068 |
| 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]) | 2.2 |
| Secondary mass in solar units (M2 [M]) | 0.22 |
| Primary temperature in kelvins (T1 [K]) | 6538 |
| Secondary temperature in Kelvins (T2 [K]) | 6284 |
| 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]) | 0.565783 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | 0.00645 |
| Cyclic period variation in years (Pc [y]) | 392.2 |
| Period study | Borkovits, T. (2025) - Then and now: A new look at the eclipse timing variations of hierarchical triple star candidates in the primordial Kepler field, revisited by TESS |
| ADS link | 2025A&A...695A.209B |
| Designation | Gaia DR3 2105324730059420800 |
|---|---|
| RA | 282:33:59.630996 |
| DEC | 44:03:16.661085 |
| l | 73.58701293482045 |
| b | 18.683212827284663 |
| G [mag] | 14.728605 |
| G_bp [mag] | 14.950746 |
| G_rp [mag] | 14.359358 |
| Parallax | 0.321503100683186 |
| Distance [pc] | 2507.832 |
| Temperature [K] | 6768.3525 |
| Surface gravity log(g) [cm/s2] | 3.984 |
| Metallicity [Fe/H] | -0.4138 |
| Monochromatic extinction A0 [mag] | 0.2083 |
| Radius [R] | 2.0815704 |
| Luminosity [L] | 8.680507 |
| Simbad link | KIC 8145477 |
|---|---|
| J magnitude | 13.881 |
| H magnitude | 13.715 |
| K magnitude | 13.59 |
| Johnson_U magnitude | |
| Johnson_B magnitude | |
| Johnson_V magnitude | |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 14.955 |
| Sloan_r magnitude | 14.734 |
| Sloan_i magnitude | |
| Sloan_z magnitude |