ASAS J084220-0303.4
| Simbad link | ASAS J084220-0303.4 |
|---|---|
| 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 | A0842 |
| Orbital period in days (P [d]) | 0.33354 |
| Mass ratio (q) | 0.1 |
| 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 149768289 |
| Solver | WD |
|---|---|
| Orbital period in days (P [d]) | 0.33354 |
| Mass ratio (q) | 0.1 |
| Orbital inclination in degrees (i [o]) | 77.5 |
| Fillout (f) | 0.83 |
| Primary temperature in Kelvins (T1 [K]) | 6180 |
| Secondary temperature in Kelvins (T2 [K]) | 5997 |
| 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]) | 2.17 |
|---|---|
| Primary radius in solar units (R1 [R]) | 1.31 |
| Secondary radius in solar units (R2 [R]) | 0.52 |
| Primary mass in solar units (M1 [M]) | 1.12 |
| Secondary mass in solar units (M2 [M]) | 0.11 |
| Primary temperature in kelvins (T1 [K]) | 6180 |
| Secondary temperature in Kelvins (T2 [K]) | 5997 |
| Primary luminosity in solar units (L1 [L]) | |
| Secondary luminosity in solar units (L2 [L]) | |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) |
| Designation | Gaia DR3 3072098400687781632 |
|---|---|
| RA | 130:34:58.790922 |
| DEC | -4:56:34.9909 |
| l | 229.27985294158503 |
| b | 22.899829695045977 |
| G [mag] | 11.515248 |
| G_bp [mag] | 11.785463 |
| G_rp [mag] | 11.061765 |
| Parallax | 2.8745038445327635 |
| Distance [pc] | 342.6851 |
| Temperature [K] | 5959.324 |
| Surface gravity log(g) [cm/s2] | 4.2091 |
| Metallicity [Fe/H] | -0.5216 |
| Monochromatic extinction A0 [mag] | 0.0038 |
| Radius [R] | |
| Luminosity [L] |
| Temperature [K] | 6196.25 |
|---|---|
| Surface gravity log(g) [cm/s2] | 4.124 |
| Metallicity [Fe/H] | -0.192 |
| Simbad link | ASAS J084220-0303.4 |
|---|---|
| J magnitude | 10.745 |
| H magnitude | 10.493 |
| K magnitude | 10.401 |
| Johnson_U magnitude | |
| Johnson_B magnitude | 11.99 |
| Johnson_V magnitude | 11.46 |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | |
| Sloan_r magnitude | |
| Sloan_i magnitude | |
| Sloan_z magnitude |