V454 Dra
| Simbad link | V454 Dra |
|---|---|
| Source publication | Kim, Yonggi (2020) - Poorly Studied Eclipsing Binaries in the Field of DO Draconis: V454 Dra and V455 Dra |
| ADS link | 2020JKAS...53...43K |
| Name in Source publication | V454 Dra |
| Orbital period in days (P [d]) | 0.434914 |
| Mass ratio (q) | 0.95 |
| 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]) | 0.434914 |
| Mass ratio (q) | 0.95 |
| Orbital inclination in degrees (i [o]) | 74.7 |
| Fillout (f) | 0.09 |
| Primary temperature in Kelvins (T1 [K]) | 5800 |
| Secondary temperature in Kelvins (T2 [K]) | 5351 |
| Primary polar radius in units of orbital separation (r1p) | 0.3666 |
| Secondary polar radius in units of orbital separation (r2p) | 0.358 |
| Surface potential (Ω) | 3.62 |
| 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]) | 5800 |
| Secondary temperature in Kelvins (T2 [K]) | 5351 |
| Primary luminosity in solar units (L1 [L]) | |
| Secondary luminosity in solar units (L2 [L]) | |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) |
| Simbad link | V454 Dra |
|---|---|
| J magnitude | 12.799 |
| H magnitude | 12.609 |
| K magnitude | 12.554 |
| Johnson_U magnitude | 13.17 |
| Johnson_B magnitude | 14.49 |
| Johnson_V magnitude | 13.76 |
| Johnson_R magnitude | 14.16 |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 13.8075 |
| Sloan_r magnitude | 14.16 |
| Sloan_i magnitude | 13.17 |
| Sloan_z magnitude |