V471 Cas
| Simbad link | V471 Cas |
|---|---|
| Source publication | Xia, Qiqi (2025) - Minute-cadence Observations of the LAMOST Fields with the TMTS. VI. Physical Parameters of Contact Binaries |
| ADS link | 2025AJ....169..139X |
| Name in Source publication | J0132 |
| Orbital period in days (P [d]) | 0.400938 |
| Mass ratio (q) | 1.48 |
| Mass ratio determination | Spectroscopic |
| Temperature determination | Unknown |
| Type | Unspecified |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? | |
| Search TESS catalog of Eclipsing Binaries | TIC 470785518 |
| Solver | WD |
|---|---|
| Orbital period in days (P [d]) | 0.400938 |
| Mass ratio (q) | 1.48 |
| Orbital inclination in degrees (i [o]) | 83.5 |
| Fillout (f) | 0.13 |
| Primary temperature in Kelvins (T1 [K]) | 6244 |
| Secondary temperature in Kelvins (T2 [K]) | 6165 |
| Primary polar radius in units of orbital separation (r1p) | |
| Secondary polar radius in units of orbital separation (r2p) | |
| Surface potential (Ω) | 4.42 |
| Orbital separation in solar radii (a [R]) | 2.98 |
|---|---|
| Primary radius in solar units (R1 [R]) | 1.06 |
| Secondary radius in solar units (R2 [R]) | 1.27 |
| Primary mass in solar units (M1 [M]) | 0.9 |
| Secondary mass in solar units (M2 [M]) | 1.32 |
| Primary temperature in kelvins (T1 [K]) | 6244 |
| Secondary temperature in Kelvins (T2 [K]) | 6165 |
| Primary luminosity in solar units (L1 [L]) | 1.56 |
| Secondary luminosity in solar units (L2 [L]) | 2.1 |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) |
| Orbital period in days (P [d]) | 0.400938 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | 0.005374 |
| Cyclic period variation in years (Pc [y]) | 15.3 |
| Host | Longitude λ [o] | Latitude β [o] | Angular radius σ [o] | Temperature contrast Tspot/Tstar |
|---|---|---|---|---|
| Primary | 60 | 14.1 | 0.72 |
| Designation | Gaia DR3 409219849696621056 |
|---|---|
| RA | 23:05:07.383096 |
| DEC | 55:12:19.635703 |
| l | 128.79260257729342 |
| b | -7.20016581851521 |
| G [mag] | 13.585797 |
| G_bp [mag] | 13.98054 |
| G_rp [mag] | 12.987372 |
| Parallax | 1.300410780053418 |
| Distance [pc] | |
| Temperature [K] | |
| Surface gravity log(g) [cm/s2] | |
| Metallicity [Fe/H] | |
| Monochromatic extinction A0 [mag] | |
| Radius [R] | 1.571789 |
| Luminosity [L] | 1.8198363 |
| Simbad link | V471 Cas |
|---|---|
| J magnitude | 12.199 |
| H magnitude | 11.884 |
| K magnitude | 11.783 |
| Johnson_U magnitude | |
| Johnson_B magnitude | |
| Johnson_V magnitude | |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 14.124 |
| Sloan_r magnitude | 13.506 |
| Sloan_i magnitude | |
| Sloan_z magnitude |