ASAS J165337+1542.7
| Simbad link | ASAS J165337+1542.7 |
|---|---|
| Source publication | Poro, Atila (2025) - BSN. V. The First Detailed Light Curve Modeling of Eight Totally Eclipsing Contact Binary Stars Using Ground-based and TESS Observations |
| ADS link | 2025PASP..137l4202P |
| Name in Source publication | J1653 |
| Orbital period in days (P [d]) | 0.280977 |
| Mass ratio (q) | 4.74 |
| 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 353179421 |
| Solver | BSN |
|---|---|
| Orbital period in days (P [d]) | 0.280977 |
| Mass ratio (q) | 4.74 |
| Orbital inclination in degrees (i [o]) | 85.9 |
| Fillout (f) | 0.3 |
| Primary temperature in Kelvins (T1 [K]) | 5022 |
| Secondary temperature in Kelvins (T2 [K]) | 4768 |
| Primary polar radius in units of orbital separation (r1p) | |
| Secondary polar radius in units of orbital separation (r2p) | |
| Surface potential (Ω) | 8.65 |
| Orbital separation in solar radii (a [R]) | 2.14 |
|---|---|
| Primary radius in solar units (R1 [R]) | 0.58 |
| Secondary radius in solar units (R2 [R]) | 1.14 |
| Primary mass in solar units (M1 [M]) | 0.29 |
| Secondary mass in solar units (M2 [M]) | 1.38 |
| Primary temperature in kelvins (T1 [K]) | 5022 |
| Secondary temperature in Kelvins (T2 [K]) | 4768 |
| Primary luminosity in solar units (L1 [L]) | 0.19 |
| Secondary luminosity in solar units (L2 [L]) | 0.61 |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) |
| Orbital period in days (P [d]) | 0.280977 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | -0.012096 |
| Cyclic period variation in years (Pc [y]) |
| Host | Longitude λ [o] | Latitude β [o] | Angular radius σ [o] | Temperature contrast Tspot/Tstar |
|---|---|---|---|---|
| Secondary | 289 | 20 | 0.87 |
| Designation | Gaia DR3 4557874617997433344 |
|---|---|
| RA | 253:24:15.064699 |
| DEC | 15:42:37.741225 |
| l | 34.64965135122945 |
| b | 33.0087299355056 |
| G [mag] | 13.171892 |
| G_bp [mag] | 13.584722 |
| G_rp [mag] | 12.553226 |
| Parallax | 2.3064314017258227 |
| Distance [pc] | 424.2528 |
| Temperature [K] | 5111.269 |
| Surface gravity log(g) [cm/s2] | 4.2621 |
| Metallicity [Fe/H] | -0.8275 |
| Monochromatic extinction A0 [mag] | 0.1758 |
| Radius [R] | |
| Luminosity [L] |
| Simbad link | ASAS J165337+1542.7 |
|---|---|
| J magnitude | 11.639 |
| H magnitude | 11.212 |
| K magnitude | 11.126 |
| Johnson_U magnitude | |
| Johnson_B magnitude | |
| Johnson_V magnitude | 13.13 |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 13.62 |
| Sloan_r magnitude | 13.039 |
| Sloan_i magnitude | |
| Sloan_z magnitude |