ASASSN-V J071924.64+415705.4
| Simbad link | ASASSN-V J071924.64+415705.4 |
|---|---|
| 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 | J071924 |
| Orbital period in days (P [d]) | 0.355763 |
| Mass ratio (q) | 0.1 |
| 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 17812875 |
| Solver | WD |
|---|---|
| Orbital period in days (P [d]) | 0.355763 |
| Mass ratio (q) | 0.1 |
| Orbital inclination in degrees (i [o]) | 87.4 |
| Fillout (f) | 0.55 |
| Primary temperature in Kelvins (T1 [K]) | 5882 |
| Secondary temperature in Kelvins (T2 [K]) | 6059 |
| Primary polar radius in units of orbital separation (r1p) | |
| Secondary polar radius in units of orbital separation (r2p) | |
| Surface potential (Ω) | 1.921 |
| Orbital separation in solar radii (a [R]) | 2.5 |
|---|---|
| Primary radius in solar units (R1 [R]) | 1.51 |
| Secondary radius in solar units (R2 [R]) | 0.59 |
| Primary mass in solar units (M1 [M]) | 1.51 |
| Secondary mass in solar units (M2 [M]) | 0.15 |
| Primary temperature in kelvins (T1 [K]) | 5882 |
| Secondary temperature in Kelvins (T2 [K]) | 6059 |
| Primary luminosity in solar units (L1 [L]) | 2.47 |
| Secondary luminosity in solar units (L2 [L]) | 0.41 |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) |
| Orbital period in days (P [d]) | 0.355763 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | -0.057888 |
| Cyclic period variation in years (Pc [y]) |
| Host | Longitude λ [o] | Latitude β [o] | Angular radius σ [o] | Temperature contrast Tspot/Tstar |
|---|---|---|---|---|
| Secondary | 261 | 90 | 32 | 0.807 |
| Designation | Gaia DR3 948953580736090880 |
|---|---|
| RA | 109:51:09.851319 |
| DEC | 41:57:05.355308 |
| l | 176.06025314835904 |
| b | 22.66937876748757 |
| G [mag] | 11.889243 |
| G_bp [mag] | 12.190928 |
| G_rp [mag] | 11.388589 |
| Parallax | 2.468218096859963 |
| Distance [pc] | 397.4136 |
| Temperature [K] | 5853.4795 |
| Surface gravity log(g) [cm/s2] | 4.2024 |
| Metallicity [Fe/H] | -0.3412 |
| Monochromatic extinction A0 [mag] | 0.0509 |
| Radius [R] | |
| Luminosity [L] |
| Temperature [K] | 5915.5 |
|---|---|
| Surface gravity log(g) [cm/s2] | 4.006 |
| Metallicity [Fe/H] | 0.04 |
| Simbad link | ASASSN-V J071924.64+415705.4 |
|---|---|
| J magnitude | 10.843 |
| H magnitude | 10.568 |
| K magnitude | 10.494 |
| Johnson_U magnitude | |
| Johnson_B magnitude | 12.37 |
| Johnson_V magnitude | 11.98 |
| Johnson_R magnitude | 11.586 |
| Johnson_I magnitude | 11.253 |
| Sloan_u magnitude | |
| Sloan_g magnitude | 12.295 |
| Sloan_r magnitude | |
| Sloan_i magnitude | |
| Sloan_z magnitude |