ASASSN-V J042640.22+370047.7
| Simbad link | ASASSN-V J042640.22+370047.7 |
|---|---|
| Source publication | Li, Kai (2022) - Extremely Low Mass Ratio Contact Binaries. I. The First Photometric and Spectroscopic Investigations of Ten Systems |
| ADS link | 2022AJ....164..202L |
| Name in Source publication | J042640 |
| Orbital period in days (P [d]) | 0.362541 |
| Mass ratio (q) | 0.13 |
| 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 353597060 |
| Solver | WD |
|---|---|
| Orbital period in days (P [d]) | 0.362541 |
| Mass ratio (q) | 0.13 |
| Orbital inclination in degrees (i [o]) | 87.5 |
| Fillout (f) | 0.57 |
| Primary temperature in Kelvins (T1 [K]) | 6029 |
| Secondary temperature in Kelvins (T2 [K]) | 6071 |
| Primary polar radius in units of orbital separation (r1p) | |
| Secondary polar radius in units of orbital separation (r2p) | |
| Surface potential (Ω) | 1.994 |
| Orbital separation in solar radii (a [R]) | 2.54 |
|---|---|
| Primary radius in solar units (R1 [R]) | 1.47 |
| Secondary radius in solar units (R2 [R]) | 0.62 |
| Primary mass in solar units (M1 [M]) | 1.48 |
| Secondary mass in solar units (M2 [M]) | 0.19 |
| Primary temperature in kelvins (T1 [K]) | 6029 |
| Secondary temperature in Kelvins (T2 [K]) | 6071 |
| Primary luminosity in solar units (L1 [L]) | 2.57 |
| Secondary luminosity in solar units (L2 [L]) | 0.47 |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) |
| Orbital period in days (P [d]) | 0.362541 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | 0.107136 |
| Cyclic period variation in years (Pc [y]) |
| Host | Longitude λ [o] | Latitude β [o] | Angular radius σ [o] | Temperature contrast Tspot/Tstar |
|---|---|---|---|---|
| Secondary | 290 | 90 | 21 | 0.82 |
| Designation | Gaia DR3 178206065787335680 |
|---|---|
| RA | 66:40:03.665067 |
| DEC | 37:00:47.906334 |
| l | 163.57294240036165 |
| b | -8.344825902631626 |
| G [mag] | 11.499236 |
| G_bp [mag] | 11.933784 |
| G_rp [mag] | 10.859493 |
| Parallax | 3.6857843316860435 |
| Distance [pc] | 268.2238 |
| Temperature [K] | 5673.8906 |
| Surface gravity log(g) [cm/s2] | 4.1541 |
| Metallicity [Fe/H] | -0.8126 |
| Monochromatic extinction A0 [mag] | 0.5625 |
| Radius [R] | |
| Luminosity [L] |
| Temperature [K] | 6054.29 |
|---|---|
| Surface gravity log(g) [cm/s2] | 4.094 |
| Metallicity [Fe/H] | -0.289 |
| Simbad link | ASASSN-V J042640.22+370047.7 |
|---|---|
| J magnitude | 9.937 |
| H magnitude | 9.618 |
| K magnitude | 9.534 |
| Johnson_U magnitude | |
| Johnson_B magnitude | 12.34 |
| Johnson_V magnitude | 11.551 |
| Johnson_R magnitude | 11.096 |
| Johnson_I magnitude | 10.612 |
| Sloan_u magnitude | |
| Sloan_g magnitude | 12.002 |
| Sloan_r magnitude | |
| Sloan_i magnitude | |
| Sloan_z magnitude |