1SWASP J220235.74+311909.7
| Simbad link | 1SWASP J220235.74+311909.7 |
|---|---|
| Source publication | Li, Kai (2019) - Contact binaries at the short period cut-off - I. Statistics and the first photometric investigations of 10 totally eclipsing systems |
| ADS link | 2019MNRAS.485.4588L |
| Name in Source publication | J220235 |
| Orbital period in days (P [d]) | 0.220477 |
| Mass ratio (q) | 0.38 |
| 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]) | 0.220477 |
| Mass ratio (q) | 0.38 |
| Orbital inclination in degrees (i [o]) | 84.5 |
| Fillout (f) | 0.24 |
| Primary temperature in Kelvins (T1 [K]) | 4967 |
| Secondary temperature in Kelvins (T2 [K]) | 5075 |
| Primary polar radius in units of orbital separation (r1p) | 0.4472 |
| Secondary polar radius in units of orbital separation (r2p) | 0.2899 |
| Surface potential (Ω) | 2.584 |
| 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]) | 4967 |
| Secondary temperature in Kelvins (T2 [K]) | 5075 |
| 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 1898638366767417600 |
|---|---|
| RA | 330:38:53.7198 |
| DEC | 31:19:10.672284 |
| l | 85.54795843 |
| b | -19.03269788 |
| G magnitude | 19.679821 |
| G_bp magnitude | 19.76693 |
| G_rp magnitude | 18.086529 |
| Radial velocity [km/s] | |
| Parallax | 2.6752786 |
| Distance [pc] | 373.792845 |
| Temperature [K] | |
| Radius [R] | |
| Luminosity [L] |
| Simbad link | 1SWASP J220235.74+311909.7 |
|---|---|
| J magnitude | 12.68 |
| H magnitude | 12.142 |
| K magnitude | 12.027 |
| Johnson_U magnitude | |
| Johnson_B magnitude | |
| Johnson_V magnitude | 14.02 |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 14.2044 |
| Sloan_r magnitude | |
| Sloan_i magnitude | |
| Sloan_z magnitude |