PY Boo
| Simbad link | PY Boo |
|---|---|
| Source publication | Kjurkchieva, Diana P. (2019) - PY Boo and NSVS 7328383: Two totally-eclipsing W UMa stars with small mass ratios and close parameters |
| ADS link | 2019NewA...68...20K |
| Name in Source publication | PY Boo |
| Orbital period in days (P [d]) | 0.278049 |
| Mass ratio (q) | 0.22 |
| Mass ratio determination | Photometric |
| Temperature determination | Unknown |
| Type | W |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? |
| Solver | PHOEBE |
|---|---|
| Orbital period in days (P [d]) | 0.278049 |
| Mass ratio (q) | 0.22 |
| Orbital inclination in degrees (i [o]) | 77.8 |
| Fillout (f) | 0.18 |
| Primary temperature in Kelvins (T1 [K]) | 4770 |
| Secondary temperature in Kelvins (T2 [K]) | 5080 |
| Primary polar radius in units of orbital separation (r1p) | |
| Secondary polar radius in units of orbital separation (r2p) | |
| Surface potential (Ω) | 2.2604 |
| Orbital separation in solar radii (a [R]) | |
|---|---|
| Primary radius in solar units (R1 [R]) | 1 |
| Secondary radius in solar units (R2 [R]) | 0.51 |
| Primary mass in solar units (M1 [M]) | 1.01 |
| Secondary mass in solar units (M2 [M]) | 0.22 |
| Primary temperature in kelvins (T1 [K]) | 4770 |
| Secondary temperature in Kelvins (T2 [K]) | 5080 |
| Primary luminosity in solar units (L1 [L]) | 0.44 |
| Secondary luminosity in solar units (L2 [L]) | 0.15 |
| Distance in parsecs (d [pc]) | 228 |
| Age in gigayears (τ [gyr]) |
| Orbital period in days (P [d]) | 0.278049 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | -0.062087 |
| Cyclic period variation in years (Pc [y]) |
| Host | Longitude λ [o] | Latitude β [o] | Angular radius σ [o] | Temperature contrast Tspot/Tstar |
|---|---|---|---|---|
| Primary | 300 | 45 | 16 | 0.9 |
| Designation | Gaia DR3 1595973357151456128 |
|---|---|
| RA | 232:05:30.454225 |
| DEC | 51:32:21.762532 |
| l | 83.43212961637403 |
| b | 51.79715178691894 |
| G [mag] | 12.484906 |
| G_bp [mag] | 12.72335 |
| G_rp [mag] | 11.52989 |
| Parallax | 4.139347028994001 |
| Distance [pc] | |
| Temperature [K] | |
| Surface gravity log(g) [cm/s2] | |
| Metallicity [Fe/H] | |
| Monochromatic extinction A0 [mag] | |
| Radius [R] | 0.86 |
| Luminosity [L] | 0.413 |
| Temperature [K] | 4827.42 |
|---|---|
| Surface gravity log(g) [cm/s2] | 4.427 |
| Metallicity [Fe/H] | -0.216 |
| Simbad link | PY Boo |
|---|---|
| J magnitude | |
| H magnitude | |
| K magnitude | |
| Johnson_U magnitude | |
| Johnson_B magnitude | |
| Johnson_V magnitude | |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 12.908 |
| Sloan_r magnitude | |
| Sloan_i magnitude | |
| Sloan_z magnitude |