NSVS 5905978
| Simbad link | NSVS 5905978 |
|---|---|
| Source publication | Poro, A. (2025) - BSN-I: the first in-depth photometric study of seven total-eclipse contact binary systems |
| ADS link | 2025MNRAS.537.3160P |
| Name in Source publication | N5905 |
| Orbital period in days (P [d]) | 0.433182 |
| Mass ratio (q) | 0.16 |
| 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 468470819 |
| Solver | PHOEBE2 |
|---|---|
| Orbital period in days (P [d]) | 0.433182 |
| Mass ratio (q) | 0.16 |
| Orbital inclination in degrees (i [o]) | 74.2 |
| Fillout (f) | 0.55 |
| Primary temperature in Kelvins (T1 [K]) | 5313 |
| Secondary temperature in Kelvins (T2 [K]) | 5663 |
| Primary polar radius in units of orbital separation (r1p) | |
| Secondary polar radius in units of orbital separation (r2p) | |
| Surface potential (Ω) | 2.07 |
| Orbital separation in solar radii (a [R]) | 2.93 |
|---|---|
| Primary radius in solar units (R1 [R]) | 1.65 |
| Secondary radius in solar units (R2 [R]) | 0.77 |
| Primary mass in solar units (M1 [M]) | 1.56 |
| Secondary mass in solar units (M2 [M]) | 0.25 |
| Primary temperature in kelvins (T1 [K]) | 5313 |
| Secondary temperature in Kelvins (T2 [K]) | 5663 |
| Primary luminosity in solar units (L1 [L]) | 1.97 |
| Secondary luminosity in solar units (L2 [L]) | 0.54 |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) |
| Orbital period in days (P [d]) | 0.433182 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | -0.011491 |
| Cyclic period variation in years (Pc [y]) |
| Host | Longitude λ [o] | Latitude β [o] | Angular radius σ [o] | Temperature contrast Tspot/Tstar |
|---|---|---|---|---|
| Primary | 56 | 12 | 0.88 |
| Designation | Gaia DR3 1965478949938402048 |
|---|---|
| RA | 321:12:19.81282 |
| DEC | 40:07:58.5367 |
| l | 85.73091019439312 |
| b | -7.368003275434142 |
| G [mag] | 13.088918 |
| G_bp [mag] | 13.486612 |
| G_rp [mag] | 12.492405 |
| Parallax | 1.4374959104213516 |
| Distance [pc] | 678.9908 |
| Temperature [K] | 5562.332 |
| Surface gravity log(g) [cm/s2] | 4.1388 |
| Metallicity [Fe/H] | -0.0234 |
| Monochromatic extinction A0 [mag] | 0.2492 |
| Radius [R] | |
| Luminosity [L] |
| Simbad link | NSVS 5905978 |
|---|---|
| J magnitude | 12.013 |
| H magnitude | 11.688 |
| K magnitude | 11.609 |
| Johnson_U magnitude | |
| Johnson_B magnitude | |
| Johnson_V magnitude | |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 13.623 |
| Sloan_r magnitude | 13.004 |
| Sloan_i magnitude | |
| Sloan_z magnitude |