V345 Gem
| Simbad link | V345 Gem |
|---|---|
| Source publication | Yang, Y. -G. (2009) - Deep, Low Mass Ratio Overcontact Binary Systems. IX. V345 Geminorum with a Bright Visual Pair |
| ADS link | 2009AJ....138..540Y |
| Name in Source publication | V345 Gem |
| Orbital period in days (P [d]) | 0.274774 |
| Mass ratio (q) | 0.14 |
| Mass ratio determination | Spectroscopic |
| Type | W |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? |
| Solver | WD |
|---|---|
| Orbital period in days (P [d]) | 0.274774 |
| Mass ratio (q) | 0.14 |
| Orbital inclination in degrees (i [o]) | 73.3 |
| Fillout (f) | 1 |
| Primary temperature in Kelvins (T1 [K]) | 6115 |
| Secondary temperature in Kelvins (T2 [K]) | 6365 |
| Primary polar radius in units of orbital separation (r1p) | 0.5364 |
| Secondary polar radius in units of orbital separation (r2p) | 0.2414 |
| Surface potential (Ω) | 1.9894 |
| 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]) | 6115 |
| Secondary temperature in Kelvins (T2 [K]) | 6365 |
| 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]) | 0.274774 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | 0.00508 |
| Cyclic period variation in years (Pc [y]) | 1.77 |
| Designation | Gaia DR2 894252632440586880 |
|---|---|
| RA | 114:37:32.2194 |
| DEC | 33:42:45.042876 |
| l | 185.8378323 |
| b | 23.83144398 |
| G magnitude | 9.214578 |
| G_bp magnitude | 9.601272 |
| G_rp magnitude | 8.777718 |
| Radial velocity [km/s] | |
| Parallax | 10.58132049 |
| Distance [pc] | 94.506163 |
| Temperature [K] | 5823.3335 |
| Radius [R] | 1.1486703 |
| Luminosity [L] | 1.3670115 |
| Simbad link | V345 Gem |
|---|---|
| J magnitude | 6.943 |
| H magnitude | 6.721 |
| K magnitude | 6.693 |
| Johnson_U magnitude | 12.996 |
| Johnson_B magnitude | 8.41 |
| Johnson_V magnitude | 8.03 |
| Johnson_R magnitude | 8.7 |
| Johnson_I magnitude | |
| Sloan_u magnitude | 12.996 |
| Sloan_g magnitude | 7.9095 |
| Sloan_r magnitude | 8.7 |
| Sloan_i magnitude | |
| Sloan_z magnitude |