NSVS 4666412
| Simbad link | NSVS 4666412 |
|---|---|
| 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 | NSVS 4666412 |
| Orbital period in days (P [d]) | 0.283166 |
| Mass ratio (q) | 0.75 |
| Mass ratio determination | Photometric |
| Temperature determination | Color index |
| Type | A |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? |
| Solver | PHOEBE |
|---|---|
| Orbital period in days (P [d]) | 0.283166 |
| Mass ratio (q) | 0.75 |
| Orbital inclination in degrees (i [o]) | 70.1 |
| Fillout (f) | 0.17 |
| Primary temperature in Kelvins (T1 [K]) | 4645 |
| Secondary temperature in Kelvins (T2 [K]) | 4412 |
| Primary polar radius in units of orbital separation (r1p) | 0.3904 |
| Secondary polar radius in units of orbital separation (r2p) | 0.343 |
| Surface potential (Ω) | 3.262 |
| 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]) | 4645 |
| Secondary temperature in Kelvins (T2 [K]) | 4412 |
| 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 |
|---|---|---|---|---|
| Primary | 270 | 90 | 18 | 0.9 |
| Designation | Gaia DR3 980212455795742336 |
|---|---|
| RA | 109:39:43.226515 |
| DEC | 50:47:53.564506 |
| l | 166.6848546209482 |
| b | 24.8334747017969 |
| G [mag] | 13.427964 |
| G_bp [mag] | 13.959471 |
| G_rp [mag] | 12.735789 |
| Parallax | 2.6192 |
| Distance [pc] | 373.4514 |
| Temperature [K] | 4713.4 |
| Surface gravity log(g) [cm/s2] | 4.3184 |
| Metallicity [Fe/H] | -0.3504 |
| Monochromatic extinction A0 [mag] | 0.0609 |
| Radius [R] | 0.96 |
| Luminosity [L] | 0.516 |
| Temperature [K] | 5031.56 |
|---|---|
| Surface gravity log(g) [cm/s2] | |
| Metallicity [Fe/H] | 0.309 |
| Simbad link | NSVS 4666412 |
|---|---|
| J magnitude | |
| H magnitude | |
| K magnitude | |
| Johnson_U magnitude | |
| Johnson_B magnitude | |
| Johnson_V magnitude | 13.49 |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | |
| Sloan_r magnitude | |
| Sloan_i magnitude | |
| Sloan_z magnitude |