V409 Hya
| Simbad link | V409 Hya |
|---|---|
| Source publication | Na, W. -W. (2014) - Photometric investigation of the deep-contact binary V409 Hya |
| ADS link | 2014NewA...30..105N |
| Name in Source publication | V409 Hya |
| Orbital period in days (P [d]) | 0.472274 |
| Mass ratio (q) | 0.22 |
| 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]) | 0.472274 |
| Mass ratio (q) | 0.22 |
| Orbital inclination in degrees (i [o]) | 89.8 |
| Fillout (f) | 0.61 |
| Primary temperature in Kelvins (T1 [K]) | 7000 |
| Secondary temperature in Kelvins (T2 [K]) | 6730 |
| Primary polar radius in units of orbital separation (r1p) | 0.5012 |
| Secondary polar radius in units of orbital separation (r2p) | 0.2604 |
| Surface potential (Ω) | 2.1877 |
| 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]) | 7000 |
| Secondary temperature in Kelvins (T2 [K]) | 6730 |
| 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]) | 0.472274 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | 0.046742 |
| Cyclic period variation in years (Pc [y]) |
| Designation | Gaia DR2 579059452331499264 |
|---|---|
| RA | 137:32:23.48268 |
| DEC | 3:44:34.348178 |
| l | 226.6823804 |
| b | 32.34983948 |
| G magnitude | 11.195974 |
| G_bp magnitude | 11.366705 |
| G_rp magnitude | 10.633246 |
| Radial velocity [km/s] | |
| Parallax | 2.236987626 |
| Distance [pc] | 447.029741 |
| Temperature [K] | 5972 |
| Radius [R] | 2.0670402 |
| Luminosity [L] | 4.896342 |
| Simbad link | V409 Hya |
|---|---|
| J magnitude | 10.364 |
| H magnitude | 10.183 |
| K magnitude | 10.108 |
| Johnson_U magnitude | |
| Johnson_B magnitude | 12.01 |
| Johnson_V magnitude | 11.44 |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 11.196 |
| Sloan_r magnitude | |
| Sloan_i magnitude | |
| Sloan_z magnitude |