CRTS J170956.7+164054
| Simbad link | CRTS J170956.7+164054 |
|---|---|
| Source publication | Poro, Atila (2025) - BSN. II. The First Light Curve Study of Eight Total Eclipsing Contact Binary Stars with Shallow Fillout Factors |
| ADS link | 2025AJ....170..214P |
| Name in Source publication | J1709 |
| Orbital period in days (P [d]) | 0.27775 |
| Mass ratio (q) | 1.48 |
| Mass ratio determination | Photometric |
| Temperature determination | Unknown |
| Type | W |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? |
| Solver | BSN |
|---|---|
| Orbital period in days (P [d]) | 0.27775 |
| Mass ratio (q) | 1.48 |
| Orbital inclination in degrees (i [o]) | 85.9 |
| Fillout (f) | 0.1 |
| Primary temperature in Kelvins (T1 [K]) | 5272 |
| Secondary temperature in Kelvins (T2 [K]) | 5094 |
| Primary polar radius in units of orbital separation (r1p) | |
| Secondary polar radius in units of orbital separation (r2p) | |
| Surface potential (Ω) | 4.4 |
| Orbital separation in solar radii (a [R]) | 2 |
|---|---|
| Primary radius in solar units (R1 [R]) | 0.72 |
| Secondary radius in solar units (R2 [R]) | 0.86 |
| Primary mass in solar units (M1 [M]) | 0.59 |
| Secondary mass in solar units (M2 [M]) | 0.9 |
| Primary temperature in kelvins (T1 [K]) | 5272 |
| Secondary temperature in Kelvins (T2 [K]) | 5094 |
| Primary luminosity in solar units (L1 [L]) | 0.36 |
| Secondary luminosity in solar units (L2 [L]) | 0.45 |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) |
| Orbital period in days (P [d]) | 0.27775 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | -0.01728 |
| Cyclic period variation in years (Pc [y]) |
| Designation | Gaia DR3 4547631017911357184 |
|---|---|
| RA | 257:29:12.133351 |
| DEC | 16:40:55.853155 |
| l | 37.444887963197395 |
| b | 29.749574585051562 |
| G [mag] | 16.21996 |
| G_bp [mag] | 16.699274 |
| G_rp [mag] | 15.588222 |
| Parallax | 0.6963429889121787 |
| Distance [pc] | |
| Temperature [K] | |
| Surface gravity log(g) [cm/s2] | |
| Metallicity [Fe/H] | |
| Monochromatic extinction A0 [mag] | |
| Radius [R] | |
| Luminosity [L] |
| Simbad link | CRTS J170956.7+164054 |
|---|---|
| J magnitude | |
| H magnitude | |
| K magnitude | |
| Johnson_U magnitude | |
| Johnson_B magnitude | |
| Johnson_V magnitude | 16.03 |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 16.776 |
| Sloan_r magnitude | 16.184 |
| Sloan_i magnitude | |
| Sloan_z magnitude |