V890 Lyr
| Simbad link | V890 Lyr |
|---|---|
| Source publication | Baudart, Sabrina (2024) - BSN: The First Photometric Analysis of Contact Binary Systems V1961 Cyg and V0890 Lyr |
| ADS link | 2024RAA....24l5013B |
| Name in Source publication | V890 Lyr |
| Orbital period in days (P [d]) | 0.388414 |
| Mass ratio (q) | 3.78 |
| Mass ratio determination | Photometric |
| Temperature determination | Unknown |
| Type | W |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? | |
| Search TESS catalog of Eclipsing Binaries | TIC 394249107 |
| Solver | PHOEBE2 |
|---|---|
| Orbital period in days (P [d]) | 0.388414 |
| Mass ratio (q) | 3.78 |
| Orbital inclination in degrees (i [o]) | 66.9 |
| Fillout (f) | 0.3 |
| Primary temperature in Kelvins (T1 [K]) | 7017 |
| Secondary temperature in Kelvins (T2 [K]) | 6779 |
| Primary polar radius in units of orbital separation (r1p) | |
| Secondary polar radius in units of orbital separation (r2p) | |
| Surface potential (Ω) | 7.437 |
| Orbital separation in solar radii (a [R]) | 2.67 |
|---|---|
| Primary radius in solar units (R1 [R]) | 0.77 |
| Secondary radius in solar units (R2 [R]) | 1.38 |
| Primary mass in solar units (M1 [M]) | 0.35 |
| Secondary mass in solar units (M2 [M]) | 1.34 |
| Primary temperature in kelvins (T1 [K]) | 7017 |
| Secondary temperature in Kelvins (T2 [K]) | 6779 |
| Primary luminosity in solar units (L1 [L]) | 1.29 |
| Secondary luminosity in solar units (L2 [L]) | 3.58 |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) |
| Designation | Gaia DR3 2050967280367907328 |
|---|---|
| RA | 289:41:27.243936 |
| DEC | 37:08:16.360741 |
| l | 69.19062345376658 |
| b | 11.00538410877154 |
| G [mag] | 11.576081 |
| G_bp [mag] | 11.688965 |
| G_rp [mag] | 11.046463 |
| Parallax | 2.2594128793536132 |
| Distance [pc] | |
| Temperature [K] | |
| Surface gravity log(g) [cm/s2] | |
| Metallicity [Fe/H] | |
| Monochromatic extinction A0 [mag] | |
| Radius [R] | |
| Luminosity [L] |
| Temperature [K] | 6495.88 |
|---|---|
| Surface gravity log(g) [cm/s2] | 4.245 |
| Metallicity [Fe/H] | -0.222 |
| Simbad link | V890 Lyr |
|---|---|
| J magnitude | 10.503 |
| H magnitude | 10.293 |
| K magnitude | 10.252 |
| Johnson_U magnitude | |
| Johnson_B magnitude | 11.96 |
| Johnson_V magnitude | 11.54 |
| Johnson_R magnitude | 11.264 |
| Johnson_I magnitude | 10.967 |
| Sloan_u magnitude | |
| Sloan_g magnitude | |
| Sloan_r magnitude | |
| Sloan_i magnitude | |
| Sloan_z magnitude |