CU Tau
| Simbad link | CU Tau |
|---|---|
| Source publication | Qian, S. -B. (2005) - Deep, Low Mass Ratio Overcontact Binary Systems. III. CU Tauri and TV Muscae |
| ADS link | 2005AJ....130..224Q |
| Name in Source publication | CU Tau |
| Orbital period in days (P [d]) | 0.412538 |
| Mass ratio (q) | 0.18 |
| Mass ratio determination | Photometric |
| Type | W |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? |
| Solver | WD |
|---|---|
| Orbital period in days (P [d]) | 0.412538 |
| Mass ratio (q) | 0.18 |
| Orbital inclination in degrees (i [o]) | 73.9 |
| Fillout (f) | 0.5 |
| Primary temperature in Kelvins (T1 [K]) | 5900 |
| Secondary temperature in Kelvins (T2 [K]) | 5938 |
| Primary polar radius in units of orbital separation (r1p) | 0.5102 |
| Secondary polar radius in units of orbital separation (r2p) | 0.2412 |
| Surface potential (Ω) | 2.1176 |
| Orbital separation in solar radii (a [R]) | |
|---|---|
| Primary radius in solar units (R1 [R]) | |
| Secondary radius in solar units (R2 [R]) | |
| Primary mass in solar units (M1 [M]) | |
| Secondary mass in solar units (M2 [M]) | |
| Primary temperature in kelvins (T1 [K]) | 5900 |
| Secondary temperature in Kelvins (T2 [K]) | 5938 |
| Primary luminosity in solar units (L1 [L]) | |
| Secondary luminosity in solar units (L2 [L]) | |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) |
| Orbital period in days (P [d]) | 0.412538 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | -0.156384 |
| Cyclic period variation in years (Pc [y]) |
| Designation | Gaia DR2 69948116558111488 |
|---|---|
| RA | 56:54:13.964616 |
| DEC | 25:23:15.718272 |
| l | 165.7562622 |
| b | -22.48525506 |
| G magnitude | 11.411814 |
| G_bp magnitude | 11.7867775 |
| G_rp magnitude | 10.889937 |
| Radial velocity [km/s] | |
| Parallax | 2.821195536 |
| Distance [pc] | 354.459656 |
| Temperature [K] | 5473.5 |
| Radius [R] | 1.7975909 |
| Luminosity [L] | 2.6129847 |
| Simbad link | CU Tau |
|---|---|
| J magnitude | 10.481 |
| H magnitude | 10.178 |
| K magnitude | 10.117 |
| Johnson_U magnitude | |
| Johnson_B magnitude | 12.02 |
| Johnson_V magnitude | 11.23 |
| Johnson_R magnitude | 11.38 |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 11.4118 |
| Sloan_r magnitude | 11.38 |
| Sloan_i magnitude | |
| Sloan_z magnitude |