ASASSN-V J115742.23+074820.3
| Simbad link | ASASSN-V J115742.23+074820.3 |
|---|---|
| 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 | J115742 |
| Orbital period in days (P [d]) | 0.28716 |
| Mass ratio (q) | 0.11 |
| 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 380670111 |
| Solver | WD |
|---|---|
| Orbital period in days (P [d]) | 0.28716 |
| Mass ratio (q) | 0.11 |
| Orbital inclination in degrees (i [o]) | 78 |
| Fillout (f) | 0.61 |
| Primary temperature in Kelvins (T1 [K]) | 5963 |
| Secondary temperature in Kelvins (T2 [K]) | 6202 |
| Primary polar radius in units of orbital separation (r1p) | |
| Secondary polar radius in units of orbital separation (r2p) | |
| Surface potential (Ω) | 1.945 |
| Orbital separation in solar radii (a [R]) | 2.12 |
|---|---|
| Primary radius in solar units (R1 [R]) | 1.25 |
| Secondary radius in solar units (R2 [R]) | 0.49 |
| Primary mass in solar units (M1 [M]) | 1.39 |
| Secondary mass in solar units (M2 [M]) | 0.15 |
| Primary temperature in kelvins (T1 [K]) | 5963 |
| Secondary temperature in Kelvins (T2 [K]) | 6202 |
| Primary luminosity in solar units (L1 [L]) | 1.78 |
| Secondary luminosity in solar units (L2 [L]) | 0.32 |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) |
| Orbital period in days (P [d]) | 0.28716 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | 0.043114 |
| Cyclic period variation in years (Pc [y]) |
| Host | Longitude λ [o] | Latitude β [o] | Angular radius σ [o] | Temperature contrast Tspot/Tstar |
|---|---|---|---|---|
| Primary | 287 | 90 | 14 | 0.775 |
| Designation | Gaia DR3 3899647755774196864 |
|---|---|
| RA | 179:25:31.519651 |
| DEC | 7:48:20.745816 |
| l | 267.0790807729782 |
| b | 66.85964006822782 |
| G [mag] | 12.217658 |
| G_bp [mag] | 12.49222 |
| G_rp [mag] | 11.762594 |
| Parallax | 2.5465853380200416 |
| Distance [pc] | 386.6098 |
| Temperature [K] | 5748.353 |
| Surface gravity log(g) [cm/s2] | 4.2374 |
| Metallicity [Fe/H] | -1.5755 |
| Monochromatic extinction A0 [mag] | 0.0451 |
| Radius [R] | |
| Luminosity [L] |
| Temperature [K] | 5996.62 |
|---|---|
| Surface gravity log(g) [cm/s2] | 4.196 |
| Metallicity [Fe/H] | -0.793 |
| Simbad link | ASASSN-V J115742.23+074820.3 |
|---|---|
| J magnitude | 11.249 |
| H magnitude | 10.949 |
| K magnitude | 10.903 |
| Johnson_U magnitude | |
| Johnson_B magnitude | |
| Johnson_V magnitude | |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | |
| Sloan_r magnitude | |
| Sloan_i magnitude | |
| Sloan_z magnitude |