V565 Dra
| Simbad link | V565 Dra |
|---|---|
| Source publication | Wadhwa, Surjit S. (2023) - A Study of Six Extreme Low Mass Ratio Contact Binary Systems |
| ADS link | 2023PASP..135i4201W |
| Name in Source publication | V565 Dra |
| Orbital period in days (P [d]) | 0.390319 |
| Mass ratio (q) | 0.11 |
| Mass ratio determination | Photometric |
| Temperature determination | Spectral energy distribution |
| Type | Unspecified |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? | |
| Search TESS catalog of Eclipsing Binaries | TIC 320506144 |
| Solver | WD |
|---|---|
| Orbital period in days (P [d]) | 0.390319 |
| Mass ratio (q) | 0.11 |
| Orbital inclination in degrees (i [o]) | 90 |
| Fillout (f) | 0.71 |
| Primary temperature in Kelvins (T1 [K]) | 6280 |
| Secondary temperature in Kelvins (T2 [K]) | 6259 |
| Primary polar radius in units of orbital separation (r1p) | |
| Secondary polar radius in units of orbital separation (r2p) | |
| Surface potential (Ω) |
| Orbital separation in solar radii (a [R]) | 2.44 |
|---|---|
| Primary radius in solar units (R1 [R]) | 1.45 |
| Secondary radius in solar units (R2 [R]) | 0.58 |
| Primary mass in solar units (M1 [M]) | 1.15 |
| Secondary mass in solar units (M2 [M]) | 0.12 |
| Primary temperature in kelvins (T1 [K]) | 6280 |
| Secondary temperature in Kelvins (T2 [K]) | 6259 |
| 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 1422182315882257664 |
|---|---|
| RA | 264:42:27.360301 |
| DEC | 57:12:23.299933 |
| l | 85.45222110699778 |
| b | 32.241063231708715 |
| G [mag] | 11.367145 |
| G_bp [mag] | 11.6254635 |
| G_rp [mag] | 10.8955555 |
| Parallax | 2.621861281138336 |
| Distance [pc] | 375.1422 |
| Temperature [K] | 5921.9697 |
| Surface gravity log(g) [cm/s2] | 4.1213 |
| Metallicity [Fe/H] | -0.3307 |
| Monochromatic extinction A0 [mag] | 0.0051 |
| Radius [R] | |
| Luminosity [L] |
| Temperature [K] | 6153.99 |
|---|---|
| Surface gravity log(g) [cm/s2] | 4.054 |
| Metallicity [Fe/H] | 0.022 |
| Simbad link | V565 Dra |
|---|---|
| J magnitude | 10.579 |
| H magnitude | 10.323 |
| K magnitude | 10.293 |
| Johnson_U magnitude | |
| Johnson_B magnitude | 11.83 |
| Johnson_V magnitude | 10.99 |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | 14.572 |
| Sloan_g magnitude | 12.01 |
| Sloan_r magnitude | 14.283 |
| Sloan_i magnitude | 11.437 |
| Sloan_z magnitude | 13.391 |