ATO J344.2602+52.5395
| Simbad link | ATO J344.2602+52.5395 |
|---|---|
| Source publication | Shokry, A. (2017) - Kottamia 74-inch telescope discovery of the new eclipsing binary KAO-EGYPT J225702.44+523222.1.: First CCD photometry and light curve analysis |
| ADS link | 2017NewA...55...27S |
| Name in Source publication | KAO-EGYPT J225702.44+523222.1 |
| Orbital period in days (P [d]) | 0.273553 |
| Mass ratio (q) | 0.28 |
| Mass ratio determination | Photometric |
| Temperature determination | Color index |
| Type | A |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? | |
| Search TESS catalog of Eclipsing Binaries | TIC 252492157 |
| Solver | WD |
|---|---|
| Orbital period in days (P [d]) | 0.273553 |
| Mass ratio (q) | 0.28 |
| Orbital inclination in degrees (i [o]) | 76 |
| Fillout (f) | 0.42 |
| Primary temperature in Kelvins (T1 [K]) | 5150 |
| Secondary temperature in Kelvins (T2 [K]) | 5070 |
| Primary polar radius in units of orbital separation (r1p) | 0.4785 |
| Secondary polar radius in units of orbital separation (r2p) | 0.2721 |
| Surface potential (Ω) | 2.338 |
| Orbital separation in solar radii (a [R]) | 1.85 |
|---|---|
| Primary radius in solar units (R1 [R]) | 0.96 |
| Secondary radius in solar units (R2 [R]) | 0.94 |
| Primary mass in solar units (M1 [M]) | 0.89 |
| Secondary mass in solar units (M2 [M]) | 0.24 |
| Primary temperature in kelvins (T1 [K]) | 5150 |
| Secondary temperature in Kelvins (T2 [K]) | 5070 |
| Primary luminosity in solar units (L1 [L]) | 0.59 |
| Secondary luminosity in solar units (L2 [L]) | 0.52 |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) | 5.55 |
| Host | Longitude λ [o] | Latitude β [o] | Angular radius σ [o] | Temperature contrast Tspot/Tstar |
|---|---|---|---|---|
| Secondary | 110 | 90 | 22 | 0.2 |
| Designation | Gaia DR3 1990194734379792896 |
|---|---|
| RA | 344:15:36.80328 |
| DEC | 52:32:22.358441 |
| l | 105.8926380918579 |
| b | -6.5061802798795 |
| G [mag] | 14.034144 |
| G_bp [mag] | 14.626477 |
| G_rp [mag] | 13.276168 |
| Parallax | 2.1352 |
| Distance [pc] | 447.5445 |
| Temperature [K] | 4920.9 |
| Surface gravity log(g) [cm/s2] | 4.3458 |
| Metallicity [Fe/H] | -0.1986 |
| Monochromatic extinction A0 [mag] | 0.6275 |
| Radius [R] | 0.96 |
| Luminosity [L] | 0.454 |
| Simbad link | ATO J344.2602+52.5395 |
|---|---|
| J magnitude | 12.24 |
| H magnitude | 11.711 |
| K magnitude | 11.568 |
| Johnson_U magnitude | |
| Johnson_B magnitude | |
| Johnson_V magnitude | |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | |
| Sloan_r magnitude | |
| Sloan_i magnitude | |
| Sloan_z magnitude |