ATO J011.9407+39.5181
| Simbad link | ATO J011.9407+39.5181 |
|---|---|
| Source publication | Xia, Qiqi (2025) - Minute-cadence Observations of the LAMOST Fields with the TMTS. VI. Physical Parameters of Contact Binaries |
| ADS link | 2025AJ....169..139X |
| Name in Source publication | J0047 |
| Orbital period in days (P [d]) | 0.261076 |
| Mass ratio (q) | 4.29 |
| Mass ratio determination | Spectroscopic |
| Temperature determination | Unknown |
| Type | Unspecified |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? |
| Solver | WD |
|---|---|
| Orbital period in days (P [d]) | 0.261076 |
| Mass ratio (q) | 4.29 |
| Orbital inclination in degrees (i [o]) | 61.5 |
| Fillout (f) | 0.24 |
| Primary temperature in Kelvins (T1 [K]) | 5113 |
| Secondary temperature in Kelvins (T2 [K]) | 4610 |
| Primary polar radius in units of orbital separation (r1p) | |
| Secondary polar radius in units of orbital separation (r2p) | |
| Surface potential (Ω) | 8.13 |
| Orbital separation in solar radii (a [R]) | 1.69 |
|---|---|
| Primary radius in solar units (R1 [R]) | 0.46 |
| Secondary radius in solar units (R2 [R]) | 0.88 |
| Primary mass in solar units (M1 [M]) | 0.18 |
| Secondary mass in solar units (M2 [M]) | 0.77 |
| Primary temperature in kelvins (T1 [K]) | 5113 |
| Secondary temperature in Kelvins (T2 [K]) | 4610 |
| Primary luminosity in solar units (L1 [L]) | 0.13 |
| Secondary luminosity in solar units (L2 [L]) | 0.32 |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) |
| Orbital period in days (P [d]) | 0.261076 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | -0.024918 |
| Cyclic period variation in years (Pc [y]) |
| Host | Longitude λ [o] | Latitude β [o] | Angular radius σ [o] | Temperature contrast Tspot/Tstar |
|---|---|---|---|---|
| Secondary | 70.2 | 19 | 0.66 |
| Designation | Gaia DR3 368873442311860608 |
|---|---|
| RA | 11:56:26.8709 |
| DEC | 39:31:05.250606 |
| l | 122.16002860410603 |
| b | -23.348117282243276 |
| G [mag] | 14.43112 |
| G_bp [mag] | 14.912299 |
| G_rp [mag] | 13.787922 |
| Parallax | 1.6367809997523375 |
| Distance [pc] | 592.9641 |
| Temperature [K] | 5013.6836 |
| Surface gravity log(g) [cm/s2] | 4.394 |
| Metallicity [Fe/H] | -0.4583 |
| Monochromatic extinction A0 [mag] | 0.1997 |
| Radius [R] | |
| Luminosity [L] |
| Temperature [K] | 5117.31 |
|---|---|
| Surface gravity log(g) [cm/s2] | 4.207 |
| Metallicity [Fe/H] | -0.242 |
| Simbad link | ATO J011.9407+39.5181 |
|---|---|
| J magnitude | 13.126 |
| H magnitude | 12.641 |
| K magnitude | 12.511 |
| Johnson_U magnitude | |
| Johnson_B magnitude | 15.464 |
| Johnson_V magnitude | 14.596 |
| Johnson_R magnitude | 14.537 |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 15.032 |
| Sloan_r magnitude | 14.327 |
| Sloan_i magnitude | 14.058 |
| Sloan_z magnitude |