TZ Boo
| Simbad link | TZ Boo |
|---|---|
| Source publication | Christopoulou, P. -E. (2011) - First Modern Photometric Investigation of the Puzzling W UMa Type Close Binary System of TZ Bootis |
| ADS link | 2011AJ....142...99C |
| Name in Source publication | TZ Boo |
| Orbital period in days (P [d]) | 0.29716 |
| Mass ratio (q) | 0.21 |
| Mass ratio determination | Spectroscopic |
| Temperature determination | Unknown |
| Type | W |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? |
| Solver | WD |
|---|---|
| Orbital period in days (P [d]) | 0.29716 |
| Mass ratio (q) | 0.21 |
| Orbital inclination in degrees (i [o]) | 85.4 |
| Fillout (f) | 0.53 |
| Primary temperature in Kelvins (T1 [K]) | 5890 |
| Secondary temperature in Kelvins (T2 [K]) | 5926 |
| 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]) | 1.99 |
|---|---|
| Primary radius in solar units (R1 [R]) | 1.08 |
| Secondary radius in solar units (R2 [R]) | 0.56 |
| Primary mass in solar units (M1 [M]) | 0.99 |
| Secondary mass in solar units (M2 [M]) | 0.21 |
| Primary temperature in kelvins (T1 [K]) | 5890 |
| Secondary temperature in Kelvins (T2 [K]) | 5926 |
| Primary luminosity in solar units (L1 [L]) | 1.26 |
| Secondary luminosity in solar units (L2 [L]) | 0.33 |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) | 5.51 |
| Orbital period in days (P [d]) | 0.29716 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | -0.001814 |
| Cyclic period variation in years (Pc [y]) | 31.18 |
| Designation | Gaia DR2 1391924687894823296 |
|---|---|
| RA | 227:02:15.34236 |
| DEC | 39:58:13.80504 |
| l | 66.21501422 |
| b | 59.00250785 |
| G [mag] | 10.515903 |
| G_bp [mag] | 10.881914 |
| G_rp [mag] | 10.017743 |
| Parallax | 5.367925141 |
| Distance [pc] | 9.95E-10 |
| Temperature [K] | 5590.3335 |
| Surface gravity log(g) [cm/s2] | |
| Metallicity [Fe/H] | |
| Monochromatic extinction A0 [mag] | |
| Radius [R] | 1.3605306 |
| Luminosity [L] | 1.6287793 |
| Temperature [K] | 5597.28 |
|---|---|
| Surface gravity log(g) [cm/s2] | 4.179 |
| Metallicity [Fe/H] | -0.746 |
| Simbad link | TZ Boo |
|---|---|
| J magnitude | 9.462 |
| H magnitude | 9.098 |
| K magnitude | 9.008 |
| Johnson_U magnitude | |
| Johnson_B magnitude | 10.6 |
| Johnson_V magnitude | |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 10.5159 |
| Sloan_r magnitude | |
| Sloan_i magnitude | |
| Sloan_z magnitude |