GSC 3208-1986
| Simbad link | GSC 3208-1986 |
|---|---|
| Source publication | Samec, R. G. (2015) - UBVRI Analysis of the Totally Eclipsing Extreme Mass Ratio W UMa Binary, GSC 3208 1986 |
| ADS link | 2015AJ....149...90S |
| Name in Source publication | GSC 3208-1986 |
| Orbital period in days (P [d]) | 0.404657 |
| Mass ratio (q) | 0.24 |
| Mass ratio determination | Photometric |
| Type | A |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? |
| Solver | WD |
|---|---|
| Orbital period in days (P [d]) | 0.404657 |
| Mass ratio (q) | 0.24 |
| Orbital inclination in degrees (i [o]) | 85.8 |
| Fillout (f) | 0.45 |
| Primary temperature in Kelvins (T1 [K]) | 6875 |
| Secondary temperature in Kelvins (T2 [K]) | 6760 |
| Primary polar radius in units of orbital separation (r1p) | 0.4889 |
| Secondary polar radius in units of orbital separation (r2p) | 0.2626 |
| Surface potential (Ω) | 2.261 |
| 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]) | 6875 |
| Secondary temperature in Kelvins (T2 [K]) | 6760 |
| Primary luminosity in solar units (L1 [L]) | |
| Secondary luminosity in solar units (L2 [L]) | |
| Distance in parsecs (d [pc]) | 250 |
| Age in gigayears (τ [gyr]) |
| Orbital period in days (P [d]) | 0.404657 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | -0.108864 |
| Cyclic period variation in years (Pc [y]) | 23 |
| Designation | Gaia DR2 1957495533442807808 |
|---|---|
| RA | 336:19:00.12576 |
| DEC | 41:27:51.562044 |
| l | 95.61450271 |
| b | -13.52606177 |
| G magnitude | 11.19709 |
| G_bp magnitude | 11.41344 |
| G_rp magnitude | 10.74805 |
| Radial velocity [km/s] | |
| Parallax | 2.690446596 |
| Distance [pc] | 371.685504 |
| Temperature [K] | 6641.5 |
| Radius [R] | 1.3812929 |
| Luminosity [L] | 3.3444982 |
| Simbad link | GSC 3208-1986 |
|---|---|
| J magnitude | 10.527 |
| H magnitude | 10.342 |
| K magnitude | 10.245 |
| Johnson_U magnitude | |
| Johnson_B magnitude | 11.67 |
| Johnson_V magnitude | 11.2 |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 11.1971 |
| Sloan_r magnitude | |
| Sloan_i magnitude | |
| Sloan_z magnitude |