CRTS J224015.4+184738
| Simbad link | CRTS J224015.4+184738 |
|---|---|
| Source publication | Li, Kai (2020) - The First Light Curve Modeling and Orbital Period Change Investigation of Nine Contact Binaries around the Short-period Cutoff |
| ADS link | 2020AJ....159..189L |
| Name in Source publication | CRTS J224015.4+184738 |
| Orbital period in days (P [d]) | 0.218802 |
| Mass ratio (q) | 0.4 |
| 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]) | 0.218802 |
| Mass ratio (q) | 0.4 |
| Orbital inclination in degrees (i [o]) | 77.3 |
| Fillout (f) | 0.14 |
| Primary temperature in Kelvins (T1 [K]) | 4441 |
| Secondary temperature in Kelvins (T2 [K]) | 4643 |
| Primary polar radius in units of orbital separation (r1p) | 0.4392 |
| Secondary polar radius in units of orbital separation (r2p) | 0.2892 |
| Surface potential (Ω) | 2.6431 |
| Orbital separation in solar radii (a [R]) | 1.51 |
|---|---|
| Primary radius in solar units (R1 [R]) | 0.7 |
| Secondary radius in solar units (R2 [R]) | 0.47 |
| Primary mass in solar units (M1 [M]) | 0.69 |
| Secondary mass in solar units (M2 [M]) | 0.28 |
| Primary temperature in kelvins (T1 [K]) | 4441 |
| Secondary temperature in Kelvins (T2 [K]) | 4643 |
| Primary luminosity in solar units (L1 [L]) | 0.17 |
| Secondary luminosity in solar units (L2 [L]) | 0.09 |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) | 10.82 |
| Orbital period in days (P [d]) | 0.218802 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | 0.012787 |
| Cyclic period variation in years (Pc [y]) |
| Designation | Gaia DR2 2833270082699709824 |
|---|---|
| RA | 340:03:51.53688 |
| DEC | 18:47:38.075172 |
| l | 84.64593217 |
| b | -34.14886296 |
| G magnitude | 15.607645 |
| G_bp magnitude | 16.295254 |
| G_rp magnitude | 14.800402 |
| Radial velocity [km/s] | |
| Parallax | 0.888859679 |
| Distance [pc] | 1125.03697 |
| Temperature [K] | 4474 |
| Radius [R] | |
| Luminosity [L] |
| Simbad link | CRTS J224015.4+184738 |
|---|---|
| J magnitude | |
| H magnitude | |
| K magnitude | |
| Johnson_U magnitude | |
| Johnson_B magnitude | |
| Johnson_V magnitude | 15.45 |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 15.6076 |
| Sloan_r magnitude | |
| Sloan_i magnitude | |
| Sloan_z magnitude |