DK And
| Simbad link | DK And |
|---|---|
| Source publication | Samec, Ronald G. (2013) - BVRI Photometric Analysis and 73 year Period Study of the Totally Eclipsing Binary, DK Andromedae |
| ADS link | 2013PASP..125.1200S |
| Name in Source publication | DK And |
| Orbital period in days (P [d]) | 0.489223 |
| Mass ratio (q) | 0.32 |
| 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]) | 0.489223 |
| Mass ratio (q) | 0.32 |
| Orbital inclination in degrees (i [o]) | 82.4 |
| Fillout (f) | 0.17 |
| Primary temperature in Kelvins (T1 [K]) | 6750 |
| Secondary temperature in Kelvins (T2 [K]) | 6445 |
| Primary polar radius in units of orbital separation (r1p) | 0.4584 |
| Secondary polar radius in units of orbital separation (r2p) | 0.2721 |
| Surface potential (Ω) | 2.469 |
| 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]) | 6750 |
| Secondary temperature in Kelvins (T2 [K]) | 6445 |
| 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]) | 0.489223 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | 0.003482 |
| Cyclic period variation in years (Pc [y]) |
| Designation | Gaia DR2 1943249573599224576 |
|---|---|
| RA | 352:11:28.563 |
| DEC | 50:34:29.218656 |
| l | 109.7683828 |
| b | -10.17190125 |
| G magnitude | 12.897237 |
| G_bp magnitude | 13.169736 |
| G_rp magnitude | 12.481269 |
| Radial velocity [km/s] | |
| Parallax | 1.015755089 |
| Distance [pc] | 984.489284 |
| Temperature [K] | 6337 |
| Radius [R] | 1.8382326 |
| Luminosity [L] | 4.9094234 |
| Simbad link | DK And |
|---|---|
| J magnitude | 11.807 |
| H magnitude | 11.634 |
| K magnitude | 11.557 |
| Johnson_U magnitude | |
| Johnson_B magnitude | |
| Johnson_V magnitude | |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 12.8972 |
| Sloan_r magnitude | |
| Sloan_i magnitude | |
| Sloan_z magnitude |