V0338 Dra
| Simbad link | V0338 Dra |
|---|---|
| Source publication | Kjurkchieva, Diana P. (2018) - Observations and light curve solutions of a selection of shallow-contact W UMa binaries |
| ADS link | 2018NewA...62...46K |
| Name in Source publication | V0338 Dra |
| Orbital period in days (P [d]) | 0.235189 |
| Mass ratio (q) | 0.53 |
| Mass ratio determination | Photometric |
| Temperature determination | Color index |
| Type | A |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? | |
| Search TESS catalog of Eclipsing Binaries | TIC 198538117 |
| Solver | PHOEBE |
|---|---|
| Orbital period in days (P [d]) | 0.235189 |
| Mass ratio (q) | 0.53 |
| Orbital inclination in degrees (i [o]) | 88.2 |
| Fillout (f) | 0.17 |
| Primary temperature in Kelvins (T1 [K]) | 4417 |
| Secondary temperature in Kelvins (T2 [K]) | 4417 |
| Primary polar radius in units of orbital separation (r1p) | 0.418 |
| Secondary polar radius in units of orbital separation (r2p) | 0.3134 |
| Surface potential (Ω) | 2.8819 |
| 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]) | 4417 |
| Secondary temperature in Kelvins (T2 [K]) | 4417 |
| Primary luminosity in solar units (L1 [L]) | |
| Secondary luminosity in solar units (L2 [L]) | |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) |
| Host | Longitude λ [o] | Latitude β [o] | Angular radius σ [o] | Temperature contrast Tspot/Tstar |
|---|---|---|---|---|
| Secondary | 310 | 90 | 18 | 0.9 |
| Designation | Gaia DR3 1627177329645632128 |
|---|---|
| RA | 237:17:48.087407 |
| DEC | 60:38:02.376841 |
| l | 93.797171056621 |
| b | 45.1549953077355 |
| G [mag] | 13.41548 |
| G_bp [mag] | 13.974324 |
| G_rp [mag] | 12.688162 |
| Parallax | 3.6324 |
| Distance [pc] | 273.5326 |
| Temperature [K] | 4866.1 |
| Surface gravity log(g) [cm/s2] | 4.5798 |
| Metallicity [Fe/H] | 0.2855 |
| Monochromatic extinction A0 [mag] | 0.0554 |
| Radius [R] | 0.77 |
| Luminosity [L] | 0.29 |
| Simbad link | V0338 Dra |
|---|---|
| J magnitude | 11.594 |
| H magnitude | 11.03 |
| K magnitude | 10.892 |
| Johnson_U magnitude | |
| Johnson_B magnitude | 13.3 |
| Johnson_V magnitude | 13.38 |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | |
| Sloan_r magnitude | |
| Sloan_i magnitude | |
| Sloan_z magnitude |