V566 Oph
| Simbad link | V566 Oph |
|---|---|
| Source publication | Selam, S. O. (2018) - A simultaneous spectroscopic and photometric study of two eclipsing binaries: V566 Oph and V972 Her |
| ADS link | 2018Ap&SS.363...34S |
| Name in Source publication | V566 Oph |
| Orbital period in days (P [d]) | 0.409642 |
| Mass ratio (q) | 0.25 |
| Mass ratio determination | Spectroscopic |
| Type | A |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? |
| Solver | PHOEBE |
|---|---|
| Orbital period in days (P [d]) | 0.409642 |
| Mass ratio (q) | 0.25 |
| Orbital inclination in degrees (i [o]) | 80.4 |
| Fillout (f) | 0.34 |
| Primary temperature in Kelvins (T1 [K]) | 6456 |
| Secondary temperature in Kelvins (T2 [K]) | 6433 |
| Primary polar radius in units of orbital separation (r1p) | 0.4821 |
| Secondary polar radius in units of orbital separation (r2p) | 0.2611 |
| Surface potential (Ω) | 2.299 |
| Orbital separation in solar radii (a [R]) | 2.86 |
|---|---|
| Primary radius in solar units (R1 [R]) | 1.49 |
| Secondary radius in solar units (R2 [R]) | 0.81 |
| Primary mass in solar units (M1 [M]) | 1.5 |
| Secondary mass in solar units (M2 [M]) | 0.38 |
| Primary temperature in kelvins (T1 [K]) | 6456 |
| Secondary temperature in Kelvins (T2 [K]) | 6433 |
| Primary luminosity in solar units (L1 [L]) | 3.43 |
| Secondary luminosity in solar units (L2 [L]) | 1.01 |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) | 4.15 |
| Orbital period in days (P [d]) | 0.409642 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | 3.2E-05 |
| Cyclic period variation in years (Pc [y]) | 43.4 |
| Designation | Gaia DR2 4472890168828541952 |
|---|---|
| RA | 269:13:06.9852 |
| DEC | 4:59:16.475705 |
| l | 31.17181648 |
| b | 14.40306044 |
| G magnitude | 7.5389876 |
| G_bp magnitude | 7.838132 |
| G_rp magnitude | 7.2394404 |
| Radial velocity [km/s] | |
| Parallax | 13.43670908 |
| Distance [pc] | 74.422985 |
| Temperature [K] | 6468.3335 |
| Radius [R] | 1.5720112 |
| Luminosity [L] | 3.8974059 |
| Simbad link | V566 Oph |
|---|---|
| J magnitude | 6.563 |
| H magnitude | 6.399 |
| K magnitude | 6.353 |
| Johnson_U magnitude | |
| Johnson_B magnitude | 8.03 |
| Johnson_V magnitude | 7.58 |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 7.539 |
| Sloan_r magnitude | |
| Sloan_i magnitude | |
| Sloan_z magnitude |