ASAS J054049-5527.8
| Simbad link | ASAS J054049-5527.8 |
|---|---|
| Source publication | Wadhwa, Surjit S. (2023) - A Study of Six Extreme Low Mass Ratio Contact Binary Systems |
| ADS link | 2023PASP..135i4201W |
| Name in Source publication | A0540 |
| Orbital period in days (P [d]) | 0.298219 |
| Mass ratio (q) | 0.14 |
| Mass ratio determination | Photometric |
| Temperature determination | Spectral energy distribution |
| Type | Unspecified |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? | |
| Search TESS catalog of Eclipsing Binaries | TIC 350434355 |
| Solver | WD |
|---|---|
| Orbital period in days (P [d]) | 0.298219 |
| Mass ratio (q) | 0.14 |
| Orbital inclination in degrees (i [o]) | 82.3 |
| Fillout (f) | 0.69 |
| Primary temperature in Kelvins (T1 [K]) | 6050 |
| Secondary temperature in Kelvins (T2 [K]) | 5884 |
| Primary polar radius in units of orbital separation (r1p) | |
| Secondary polar radius in units of orbital separation (r2p) | |
| Surface potential (Ω) |
| Orbital separation in solar radii (a [R]) | 2.04 |
|---|---|
| Primary radius in solar units (R1 [R]) | 1.18 |
| Secondary radius in solar units (R2 [R]) | 0.53 |
| Primary mass in solar units (M1 [M]) | 1.13 |
| Secondary mass in solar units (M2 [M]) | 0.16 |
| Primary temperature in kelvins (T1 [K]) | 6050 |
| Secondary temperature in Kelvins (T2 [K]) | 5884 |
| Primary luminosity in solar units (L1 [L]) | |
| Secondary luminosity in solar units (L2 [L]) | |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) |
| Orbital period in days (P [d]) | 0.298219 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | -0.016157 |
| Cyclic period variation in years (Pc [y]) |
| Designation | Gaia DR3 4768209646195933952 |
|---|---|
| RA | 85:12:20.252672 |
| DEC | -56:32:12.6071 |
| l | 263.4053198266426 |
| b | -31.913589636309084 |
| G [mag] | 12.505268 |
| G_bp [mag] | 12.8130865 |
| G_rp [mag] | 12.012572 |
| Parallax | 2.2691516353653203 |
| Distance [pc] | 436.9461 |
| Temperature [K] | 5938.707 |
| Surface gravity log(g) [cm/s2] | 4.3323 |
| Metallicity [Fe/H] | -0.2294 |
| Monochromatic extinction A0 [mag] | 0.0032 |
| Radius [R] | |
| Luminosity [L] |
| Simbad link | ASAS J054049-5527.8 |
|---|---|
| J magnitude | 11.589 |
| H magnitude | 11.308 |
| K magnitude | 11.228 |
| Johnson_U magnitude | |
| Johnson_B magnitude | 13.26 |
| Johnson_V magnitude | 12.62 |
| Johnson_R magnitude | 12.39 |
| Johnson_I magnitude | 12.09 |
| Sloan_u magnitude | |
| Sloan_g magnitude | 12.91 |
| Sloan_r magnitude | 12.46 |
| Sloan_i magnitude | 12.31 |
| Sloan_z magnitude |