CRTS J020730.1+145623
| Simbad link | CRTS J020730.1+145623 |
|---|---|
| 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 | J020730 |
| Orbital period in days (P [d]) | 0.223442 |
| Mass ratio (q) | 0.52 |
| 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]) | 0.223442 |
| Mass ratio (q) | 0.52 |
| Orbital inclination in degrees (i [o]) | 85.4 |
| Fillout (f) | 0.14 |
| Primary temperature in Kelvins (T1 [K]) | 4239 |
| Secondary temperature in Kelvins (T2 [K]) | 4414 |
| Primary polar radius in units of orbital separation (r1p) | 0.4182 |
| Secondary polar radius in units of orbital separation (r2p) | 0.3098 |
| Surface potential (Ω) | 2.8698 |
| 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]) | 4239 |
| Secondary temperature in Kelvins (T2 [K]) | 4414 |
| 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 77622432840144640 |
|---|---|
| RA | 31:52:33.006072 |
| DEC | 14:56:22.849584 |
| l | 148.9150548 |
| b | -44.06087117 |
| G magnitude | 15.870531 |
| G_bp magnitude | 16.64374 |
| G_rp magnitude | 15.0328665 |
| Radial velocity [km/s] | |
| Parallax | 1.561801285 |
| Distance [pc] | 640.286322 |
| Temperature [K] | 4310.81 |
| Radius [R] | 0.7838868 |
| Luminosity [L] | 0.19117758 |
| Simbad link | CRTS J020730.1+145623 |
|---|---|
| J magnitude | 13.732 |
| H magnitude | 13.17 |
| K magnitude | 12.99 |
| Johnson_U magnitude | 15.183 |
| Johnson_B magnitude | 17.87 |
| Johnson_V magnitude | 15.79 |
| Johnson_R magnitude | 15.661 |
| Johnson_I magnitude | |
| Sloan_u magnitude | 19.4 |
| Sloan_g magnitude | 16.89 |
| Sloan_r magnitude | 15.661 |
| Sloan_i magnitude | 15.183 |
| Sloan_z magnitude | 14.927 |