TZ Boo
| Simbad link | TZ Boo |
|---|---|
| Source publication | Guo, Yani (2026) - A Photometric and Spectroscopic Investigation of 11 TESS Eclipsing Contact Binaries |
| ADS link | 2026ApJ..1000..168G |
| Name in Source publication | TIC 20212631 |
| Orbital period in days (P [d]) | 0.29716 |
| Mass ratio (q) | 0.14 |
| Mass ratio determination | Spectroscopic |
| Temperature determination | Unknown |
| Type | Unspecified |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? | |
| Search TESS catalog of Eclipsing Binaries | TIC 20212631 |
| Solver | WD |
|---|---|
| Orbital period in days (P [d]) | 0.29716 |
| Mass ratio (q) | 0.14 |
| Orbital inclination in degrees (i [o]) | 76.8 |
| Fillout (f) | 0.24 |
| Primary temperature in Kelvins (T1 [K]) | 5420 |
| Secondary temperature in Kelvins (T2 [K]) | 5680 |
| Primary polar radius in units of orbital separation (r1p) | 0.5013 |
| Secondary polar radius in units of orbital separation (r2p) | 0.2542 |
| Surface potential (Ω) | 2.18 |
| Orbital separation in solar radii (a [R]) | 1.96 |
|---|---|
| Primary radius in solar units (R1 [R]) | 0.84 |
| Secondary radius in solar units (R2 [R]) | 0.68 |
| Primary mass in solar units (M1 [M]) | 1.05 |
| Secondary mass in solar units (M2 [M]) | 0.46 |
| Primary temperature in kelvins (T1 [K]) | 5420 |
| Secondary temperature in Kelvins (T2 [K]) | 5680 |
| Primary luminosity in solar units (L1 [L]) | 0.94 |
| Secondary luminosity in solar units (L2 [L]) | 0.2 |
| 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 | 76 | 11 | 0.726 |
| Designation | Gaia DR3 1391924687894823296 |
|---|---|
| RA | 227:02:15.2878 |
| DEC | 39:58:13.835208 |
| l | 66.21503541415555 |
| b | 59.00251710053574 |
| G [mag] | 10.527394 |
| G_bp [mag] | 10.87106 |
| G_rp [mag] | 10.0082855 |
| Parallax | 5.395615964047903 |
| Distance [pc] | 210.9629 |
| Temperature [K] | 5789.2983 |
| Surface gravity log(g) [cm/s2] | 3.9921 |
| Metallicity [Fe/H] | -0.5929 |
| Monochromatic extinction A0 [mag] | 0.1397 |
| Radius [R] | 1.3605306 |
| Luminosity [L] | 1.6287793 |
| Temperature [K] | |
|---|---|
| Surface gravity log(g) [cm/s2] | |
| Metallicity [Fe/H] |
| Simbad link | TZ Boo |
|---|---|
| J magnitude | 9.462 |
| H magnitude | 9.098 |
| K magnitude | 9.008 |
| Johnson_U magnitude | |
| Johnson_B magnitude | 11.033 |
| Johnson_V magnitude | 10.41 |
| Johnson_R magnitude | 10.04 |
| Johnson_I magnitude | 9.671 |
| Sloan_u magnitude | |
| Sloan_g magnitude | |
| Sloan_r magnitude | |
| Sloan_i magnitude | |
| Sloan_z magnitude |