ATO J025.8569+55.7220
| Simbad link | ATO J025.8569+55.7220 |
|---|---|
| Source publication | Paki, Ehsan (2025) - The BSN Application-I: Photometric Light Curve Solutions of Contact Binary Systems |
| ADS link | 2025Galax..13...74P |
| Name in Source publication | TIC 71743300 |
| Orbital period in days (P [d]) | 0.439665 |
| Mass ratio (q) | 0.2 |
| Mass ratio determination | Photometric |
| Temperature determination | Unknown |
| Type | A |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? |
| Solver | BSN |
|---|---|
| Orbital period in days (P [d]) | 0.439665 |
| Mass ratio (q) | 0.2 |
| Orbital inclination in degrees (i [o]) | 80.5 |
| Fillout (f) | 0.6 |
| Primary temperature in Kelvins (T1 [K]) | 6536 |
| Secondary temperature in Kelvins (T2 [K]) | 6514 |
| Primary polar radius in units of orbital separation (r1p) | |
| Secondary polar radius in units of orbital separation (r2p) | |
| Surface potential (Ω) | 2.15 |
| Orbital separation in solar radii (a [R]) | 2.97 |
|---|---|
| Primary radius in solar units (R1 [R]) | 1.64 |
| Secondary radius in solar units (R2 [R]) | 0.83 |
| Primary mass in solar units (M1 [M]) | 1.52 |
| Secondary mass in solar units (M2 [M]) | 0.3 |
| Primary temperature in kelvins (T1 [K]) | 6536 |
| Secondary temperature in Kelvins (T2 [K]) | 6514 |
| Primary luminosity in solar units (L1 [L]) | 4.41 |
| Secondary luminosity in solar units (L2 [L]) | 1.12 |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) |
| Host | Longitude λ [o] | Latitude β [o] | Angular radius σ [o] | Temperature contrast Tspot/Tstar |
|---|---|---|---|---|
| Primary | 302 | 16 | 0.9 |
| Designation | Gaia DR3 409482048864588544 |
|---|---|
| RA | 25:51:25.175609 |
| DEC | 55:43:19.433051 |
| l | 130.25516035260367 |
| b | -6.40870321775163 |
| G [mag] | 13.765281 |
| G_bp [mag] | 14.169069 |
| G_rp [mag] | 13.171844 |
| Parallax | 0.9731682449464034 |
| Distance [pc] | 947.975 |
| Temperature [K] | 6499.862 |
| Surface gravity log(g) [cm/s2] | 4.2106 |
| Metallicity [Fe/H] | 0.2929 |
| Monochromatic extinction A0 [mag] | 0.7709 |
| Radius [R] | |
| Luminosity [L] |
| Simbad link | ATO J025.8569+55.7220 |
|---|---|
| J magnitude | |
| H magnitude | |
| K magnitude | |
| Johnson_U magnitude | |
| Johnson_B magnitude | |
| Johnson_V magnitude | |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 14.277 |
| Sloan_r magnitude | 13.731 |
| Sloan_i magnitude | |
| Sloan_z magnitude |