PY Lyr
| Simbad link | PY Lyr |
|---|---|
| Source publication | Manimanis, V. N. (2006) - A spot model of the overcontact binary PY Lyrae |
| ADS link | 2006AIPC..848..417M |
| Name in Source publication | PY Lyr |
| Orbital period in days (P [d]) | 0.38593 |
| Mass ratio (q) | 0.58 |
| Mass ratio determination | Photometric |
| Temperature determination | Unknown |
| Type | A |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? |
| Solver | WD |
|---|---|
| Orbital period in days (P [d]) | 0.38593 |
| Mass ratio (q) | 0.58 |
| Orbital inclination in degrees (i [o]) | 74.7 |
| Fillout (f) | 0.12 |
| Primary temperature in Kelvins (T1 [K]) | 6980 |
| Secondary temperature in Kelvins (T2 [K]) | 6980 |
| Primary polar radius in units of orbital separation (r1p) | 0.4087 |
| Secondary polar radius in units of orbital separation (r2p) | 0.3179 |
| Surface potential (Ω) | 2.982 |
| 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]) | 6980 |
| Secondary temperature in Kelvins (T2 [K]) | 6980 |
| Primary luminosity in solar units (L1 [L]) | |
| Secondary luminosity in solar units (L2 [L]) | |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) |
| Designation | Gaia DR2 2038147494493645568 |
|---|---|
| RA | 290:06:27.65952 |
| DEC | 28:56:45.88098 |
| l | 61.92684186 |
| b | 7.032336866 |
| G [mag] | 17.432339 |
| G_bp [mag] | 17.43557 |
| G_rp [mag] | 16.566488 |
| Parallax | 0.400937516 |
| Distance [pc] | 0.000806011 |
| Temperature [K] | |
| Surface gravity log(g) [cm/s2] | |
| Metallicity [Fe/H] | |
| Monochromatic extinction A0 [mag] | |
| Radius [R] | |
| Luminosity [L] |
| Simbad link | PY Lyr |
|---|---|
| J magnitude | 12.024 |
| H magnitude | 11.755 |
| K magnitude | 11.684 |
| Johnson_U magnitude | |
| Johnson_B magnitude | |
| Johnson_V magnitude | |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 12.9882 |
| Sloan_r magnitude | |
| Sloan_i magnitude | |
| Sloan_z magnitude |