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 |
| 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) | 0.4852 |
| Secondary polar radius in units of orbital separation (r2p) | 0.2461 |
| Surface potential (Ω) | 2.2604 |
| Orbital separation in solar radii (a [R]) | 1.92 |
|---|---|
| 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]) | 0.14 |
| Secondary luminosity in solar units (L2 [L]) | 0.15 |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) | 10.93 |
| Orbital period in days (P [d]) | 0.278049 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | -0.062085 |
| Cyclic period variation in years (Pc [y]) |
| Designation | Gaia DR2 1595973361447956224 |
|---|---|
| RA | 232:05:30.5646 |
| DEC | 51:32:21.005304 |
| l | 83.43180729 |
| b | 51.79722157 |
| G magnitude | 13.621238 |
| G_bp magnitude | |
| G_rp magnitude | |
| Radial velocity [km/s] | |
| Parallax | |
| Distance [pc] | |
| Temperature [K] | |
| Radius [R] | |
| Luminosity [L] |
| Orbital period [d] | 0.278049 |
|---|---|
| Temperature [K] | 4756.685 |
| Surface gravity (log(g)) | 4.3905 |
| Metallicity ([Fe/H]) | -0.201 |
| Simbad link | PY Boo |
|---|---|
| J magnitude | 10.685 |
| H magnitude | 10.168 |
| K magnitude | 10.06 |
| Johnson_U magnitude | 11.78 |
| Johnson_B magnitude | 13.38 |
| Johnson_V magnitude | 12.4 |
| Johnson_R magnitude | 12.08 |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 12.91 |
| Sloan_r magnitude | 12.08 |
| Sloan_i magnitude | 11.78 |
| Sloan_z magnitude |