ASASSN-V J163001.36+544555.5
| Simbad link | ASASSN-V J163001.36+544555.5 |
|---|---|
| Source publication | Liu, Fei (2025) - Extremely low mass ratio contact binaries ─ II. The first photometric and spectroscopic investigations of six systems with orbital periods longer than 0.5 d |
| ADS link | 2025MNRAS.540.1290L |
| Name in Source publication | J163001 |
| Orbital period in days (P [d]) | 0.566902 |
| Mass ratio (q) | 0.09 |
| Mass ratio determination | Photometric |
| Temperature determination | Unknown |
| Type | A |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? | |
| Search TESS catalog of Eclipsing Binaries | TIC 207501623 |
| Solver | WD |
|---|---|
| Orbital period in days (P [d]) | 0.566902 |
| Mass ratio (q) | 0.09 |
| Orbital inclination in degrees (i [o]) | 82.6 |
| Fillout (f) | 0.42 |
| Primary temperature in Kelvins (T1 [K]) | 6838 |
| Secondary temperature in Kelvins (T2 [K]) | 6481 |
| Primary polar radius in units of orbital separation (r1p) | |
| Secondary polar radius in units of orbital separation (r2p) | |
| Surface potential (Ω) | 1.916 |
| Orbital separation in solar radii (a [R]) | 3.69 |
|---|---|
| Primary radius in solar units (R1 [R]) | 2.2 |
| Secondary radius in solar units (R2 [R]) | 0.8 |
| Primary mass in solar units (M1 [M]) | 1.91 |
| Secondary mass in solar units (M2 [M]) | 0.18 |
| Primary temperature in kelvins (T1 [K]) | 6838 |
| Secondary temperature in Kelvins (T2 [K]) | 6481 |
| Primary luminosity in solar units (L1 [L]) | 9.46 |
| Secondary luminosity in solar units (L2 [L]) | 1 |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) | 3.28 |
| Orbital period in days (P [d]) | 0.566902 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | 0.014774 |
| Cyclic period variation in years (Pc [y]) |
| Designation | Gaia DR3 1429917384479438592 |
|---|---|
| RA | 247:30:21.177982 |
| DEC | 54:45:55.307453 |
| l | 83.62387502319318 |
| b | 42.031804782968564 |
| G [mag] | 12.798067 |
| G_bp [mag] | 12.996255 |
| G_rp [mag] | 12.459765 |
| Parallax | 0.8212601263264128 |
| Distance [pc] | 1193.866 |
| Temperature [K] | 6858.507 |
| Surface gravity log(g) [cm/s2] | 3.9153 |
| Metallicity [Fe/H] | -0.5932 |
| Monochromatic extinction A0 [mag] | 0.0668 |
| Radius [R] | |
| Luminosity [L] |
| Temperature [K] | 6820.5 |
|---|---|
| Surface gravity log(g) [cm/s2] | 4.159 |
| Metallicity [Fe/H] | -0.589 |
| Simbad link | ASASSN-V J163001.36+544555.5 |
|---|---|
| J magnitude | 12.192 |
| H magnitude | 12.002 |
| K magnitude | 11.948 |
| Johnson_U magnitude | |
| Johnson_B magnitude | 13.47 |
| Johnson_V magnitude | |
| Johnson_R magnitude | 12.6 |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 12.982 |
| Sloan_r magnitude | 12.787 |
| Sloan_i magnitude | |
| Sloan_z magnitude |