DK Cyg
| Simbad link | DK Cyg |
|---|---|
| Source publication | Lee, Jae Woo (2015) - The Physical Nature and Orbital Behavior of the Eclipsing System DK Cygni |
| ADS link | 2015AJ....149..194L |
| Name in Source publication | DK Cyg |
| Orbital period in days (P [d]) | 0.470691 |
| Mass ratio (q) | 0.31 |
| Mass ratio determination | Spectroscopic |
| Type | A |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? |
| Solver | WD |
|---|---|
| Orbital period in days (P [d]) | 0.470691 |
| Mass ratio (q) | 0.31 |
| Orbital inclination in degrees (i [o]) | 82.8 |
| Fillout (f) | 0.45 |
| Primary temperature in Kelvins (T1 [K]) | 7500 |
| Secondary temperature in Kelvins (T2 [K]) | 7011 |
| Primary polar radius in units of orbital separation (r1p) | 0.4721 |
| Secondary polar radius in units of orbital separation (r2p) | 0.2824 |
| Surface potential (Ω) | 2.396 |
| Orbital separation in solar radii (a [R]) | 3.4 |
|---|---|
| Primary radius in solar units (R1 [R]) | 1.74 |
| Secondary radius in solar units (R2 [R]) | 1.05 |
| Primary mass in solar units (M1 [M]) | 1.82 |
| Secondary mass in solar units (M2 [M]) | 0.56 |
| Primary temperature in kelvins (T1 [K]) | 7500 |
| Secondary temperature in Kelvins (T2 [K]) | 7011 |
| Primary luminosity in solar units (L1 [L]) | 8.5 |
| Secondary luminosity in solar units (L2 [L]) | 2.4 |
| Distance in parsecs (d [pc]) | 366 |
| Age in gigayears (τ [gyr]) | 2.68 |
| Orbital period in days (P [d]) | 0.470691 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | 0.008631 |
| Cyclic period variation in years (Pc [y]) | 78.1 |
| Designation | Gaia DR2 1950492606448789120 |
|---|---|
| RA | 323:45:39.50316 |
| DEC | 34:35:45.080556 |
| l | 83.29423872 |
| b | -12.75538047 |
| G magnitude | 10.555344 |
| G_bp magnitude | 10.734226 |
| G_rp magnitude | 10.216441 |
| Radial velocity [km/s] | |
| Parallax | 2.437581783 |
| Distance [pc] | 410.242646 |
| Temperature [K] | 7129.107 |
| Radius [R] | 1.7838484 |
| Luminosity [L] | 7.4054446 |
| Simbad link | DK Cyg |
|---|---|
| J magnitude | 9.649 |
| H magnitude | 9.5 |
| K magnitude | 9.448 |
| Johnson_U magnitude | |
| Johnson_B magnitude | 10.98 |
| Johnson_V magnitude | 10.56 |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 10.5553 |
| Sloan_r magnitude | |
| Sloan_i magnitude | |
| Sloan_z magnitude |