V345 Gem
| Simbad link | V345 Gem |
|---|---|
| Source publication | Gazeas, K. (2021) - Physical parameters of close binary systems: VIII |
| ADS link | 2021MNRAS.501.2897G |
| Name in Source publication | V345 Gem |
| Orbital period in days (P [d]) | 0.274774 |
| Mass ratio (q) | 0.17 |
| Mass ratio determination | Spectroscopic |
| Temperature determination | Spectral type |
| Type | A |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? | |
| Search TESS catalog of Eclipsing Binaries | TIC 4164713 |
| Solver | WD |
|---|---|
| Orbital period in days (P [d]) | 0.274774 |
| Mass ratio (q) | 0.17 |
| Orbital inclination in degrees (i [o]) | 61.2 |
| Fillout (f) | 0.11 |
| Primary temperature in Kelvins (T1 [K]) | 6200 |
| Secondary temperature in Kelvins (T2 [K]) | 5840 |
| Primary polar radius in units of orbital separation (r1p) | |
| Secondary polar radius in units of orbital separation (r2p) | |
| Surface potential (Ω) | 2.148 |
| Orbital separation in solar radii (a [R]) | |
|---|---|
| Primary radius in solar units (R1 [R]) | 1.13 |
| Secondary radius in solar units (R2 [R]) | 0.49 |
| Primary mass in solar units (M1 [M]) | 1.37 |
| Secondary mass in solar units (M2 [M]) | 0.2 |
| Primary temperature in kelvins (T1 [K]) | 6200 |
| Secondary temperature in Kelvins (T2 [K]) | 5840 |
| Primary luminosity in solar units (L1 [L]) | 1.71 |
| Secondary luminosity in solar units (L2 [L]) | 0.25 |
| 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 |
| Period study | Yang, Y.-G. (2009) - Deep, Low Mass Ratio Overcontact Binary Systems. IX. V345 Geminorum with a Bright Visual Pair |
| ADS link | 2009AJ....138..540Y |
| Designation | Gaia DR3 894252636735896320 |
|---|---|
| RA | 114:37:32.675922 |
| DEC | 33:42:41.847971 |
| l | 185.83879149820996 |
| b | 23.8312741653289 |
| G [mag] | 7.9205756 |
| G_bp [mag] | 8.120349 |
| G_rp [mag] | 7.5581884 |
| Parallax | 10.574761094216894 |
| Distance [pc] | 94.2378 |
| Temperature [K] | 6630.2856 |
| Surface gravity log(g) [cm/s2] | 3.9793 |
| Metallicity [Fe/H] | -1.0758 |
| Monochromatic extinction A0 [mag] | 0.0131 |
| 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 | |
| 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 | |
| Sloan_r magnitude | |
| Sloan_i magnitude | |
| Sloan_z magnitude |