PY Vir
| Simbad link | PY Vir |
|---|---|
| Source publication | Zhu, L. Y. (2013) - Photometric Study of the Possible Cool Quadruple System PY Virginis |
| ADS link | 2013AJ....145...39Z |
| Name in Source publication | PY Vir |
| Orbital period in days (P [d]) | 0.311248 |
| Mass ratio (q) | 0.77 |
| Mass ratio determination | Spectroscopic |
| Type | A |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? |
| Solver | WD |
|---|---|
| Orbital period in days (P [d]) | 0.311248 |
| Mass ratio (q) | 0.77 |
| Orbital inclination in degrees (i [o]) | 69.5 |
| Fillout (f) | 0 |
| Primary temperature in Kelvins (T1 [K]) | 4830 |
| Secondary temperature in Kelvins (T2 [K]) | 4702 |
| Primary polar radius in units of orbital separation (r1p) | 0.3779 |
| Secondary polar radius in units of orbital separation (r2p) | 0.335 |
| Surface potential (Ω) | 3.3691 |
| Orbital separation in solar radii (a [R]) | 2.3 |
|---|---|
| Primary radius in solar units (R1 [R]) | 0.92 |
| Secondary radius in solar units (R2 [R]) | 0.82 |
| Primary mass in solar units (M1 [M]) | 0.95 |
| Secondary mass in solar units (M2 [M]) | 0.74 |
| Primary temperature in kelvins (T1 [K]) | 4830 |
| Secondary temperature in Kelvins (T2 [K]) | 4702 |
| Primary luminosity in solar units (L1 [L]) | 0.41 |
| Secondary luminosity in solar units (L2 [L]) | 0.29 |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) |
| Orbital period in days (P [d]) | 0.311248 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | |
| Cyclic period variation in years (Pc [y]) | 5.22 |
| Designation | Gaia DR2 3636046921120692992 |
|---|---|
| RA | 197:38:03.72516 |
| DEC | -5:50:27.317123 |
| l | 312.0417894 |
| b | 58.37443832 |
| G magnitude | 9.549793 |
| G_bp magnitude | 9.988246 |
| G_rp magnitude | 8.952427 |
| Radial velocity [km/s] | |
| Parallax | 11.98665024 |
| Distance [pc] | 83.426143 |
| Temperature [K] | 4775.893 |
| Radius [R] | 1.3981472 |
| Luminosity [L] | 0.9162604 |
| Orbital period [d] | 0.31124573 |
|---|---|
| Temperature [K] | 5211.39 |
| Surface gravity (log(g)) | 4.391 |
| Metallicity ([Fe/H]) | -0.11 |
| Simbad link | PY Vir |
|---|---|
| J magnitude | 8.12 |
| H magnitude | 7.667 |
| K magnitude | 7.548 |
| Johnson_U magnitude | 9.296 |
| Johnson_B magnitude | 10.67 |
| Johnson_V magnitude | 9.84 |
| Johnson_R magnitude | 9.681 |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 10.347 |
| Sloan_r magnitude | 9.681 |
| Sloan_i magnitude | 9.296 |
| Sloan_z magnitude |