V434 Ori
| Simbad link | V434 Ori |
|---|---|
| Source publication | Yang, Y. -G. (2009) - BVR Observations and Period Variation of the Neglected Contact Binary V343 Orionis |
| ADS link | 2009PASP..121..699Y |
| Name in Source publication | V434 Ori |
| Orbital period in days (P [d]) | 0.809131 |
| Mass ratio (q) | 0.25 |
| Mass ratio determination | Photometric |
| Type | W |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? |
| Solver | WD |
|---|---|
| Orbital period in days (P [d]) | 0.809131 |
| Mass ratio (q) | 0.25 |
| Orbital inclination in degrees (i [o]) | 79.7 |
| Fillout (f) | 0.91 |
| Primary temperature in Kelvins (T1 [K]) | 7150 |
| Secondary temperature in Kelvins (T2 [K]) | 7312 |
| Primary polar radius in units of orbital separation (r1p) | 0.503 |
| Secondary polar radius in units of orbital separation (r2p) | 0.2877 |
| Surface potential (Ω) | 2.214 |
| 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]) | 7150 |
| Secondary temperature in Kelvins (T2 [K]) | 7312 |
| 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]) | 0.809131 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | 0.037325 |
| Cyclic period variation in years (Pc [y]) |
| Designation | Gaia DR2 3389241264022170112 |
|---|---|
| RA | 80:54:14.717484 |
| DEC | 12:44:39.854688 |
| l | 191.088579 |
| b | -12.94197075 |
| G magnitude | 10.208179 |
| G_bp magnitude | 12.915714 |
| G_rp magnitude | 8.743459 |
| Radial velocity [km/s] | |
| Parallax | 0.428553379 |
| Distance [pc] | 2333.431607 |
| Temperature [K] | 3288.5 |
| Radius [R] | |
| Luminosity [L] |
| Simbad link | V434 Ori |
|---|---|
| J magnitude | 6.193 |
| H magnitude | 5.188 |
| K magnitude | 4.733 |
| Johnson_U magnitude | |
| Johnson_B magnitude | |
| Johnson_V magnitude | |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 10.2082 |
| Sloan_r magnitude | |
| Sloan_i magnitude | |
| Sloan_z magnitude |