IL Cnc
| Simbad link | IL Cnc |
|---|---|
| Source publication | Zhang, Bin (2025) - The Photometric, Spectroscopic and Orbital Period Investigations of Ten Short Period Contact Binaries |
| ADS link | 2025PASP..137f4201Z |
| Name in Source publication | IL Cnc |
| Orbital period in days (P [d]) | 0.267656 |
| Mass ratio (q) | 1.43 |
| Mass ratio determination | Photometric |
| Temperature determination | Unknown |
| Type | W |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? | |
| Search TESS catalog of Eclipsing Binaries | TIC 197244990 |
| Solver | WD |
|---|---|
| Orbital period in days (P [d]) | 0.267656 |
| Mass ratio (q) | 1.43 |
| Orbital inclination in degrees (i [o]) | 70.3 |
| Fillout (f) | |
| Primary temperature in Kelvins (T1 [K]) | 5000 |
| Secondary temperature in Kelvins (T2 [K]) | 4789 |
| Primary polar radius in units of orbital separation (r1p) | |
| Secondary polar radius in units of orbital separation (r2p) | |
| Surface potential (Ω) | 4.307 |
| 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]) | 0.55 |
| Secondary mass in solar units (M2 [M]) | 0.93 |
| Primary temperature in kelvins (T1 [K]) | 5000 |
| Secondary temperature in Kelvins (T2 [K]) | 4789 |
| Primary luminosity in solar units (L1 [L]) | |
| Secondary luminosity in solar units (L2 [L]) | |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) |
| Orbital period in days (P [d]) | 0.267656 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | -0.003249 |
| Cyclic period variation in years (Pc [y]) |
| Host | Longitude λ [o] | Latitude β [o] | Angular radius σ [o] | Temperature contrast Tspot/Tstar |
|---|---|---|---|---|
| Primary | 120.8 | 20.06 | 0.85 |
| Designation | Gaia DR3 660806075976529664 |
|---|---|
| RA | 133:57:51.346554 |
| DEC | 20:03:38.588691 |
| l | 206.9688860126981 |
| b | 36.03555790011657 |
| G [mag] | 12.512363 |
| G_bp [mag] | 13.005859 |
| G_rp [mag] | 11.833532 |
| Parallax | 4.124258334754382 |
| Distance [pc] | 242.0613 |
| Temperature [K] | 5184.0703 |
| Surface gravity log(g) [cm/s2] | 4.5149 |
| Metallicity [Fe/H] | 0.3605 |
| Monochromatic extinction A0 [mag] | 0.0819 |
| Radius [R] | |
| Luminosity [L] |
| Simbad link | IL Cnc |
|---|---|
| J magnitude | 11.016 |
| H magnitude | 10.564 |
| K magnitude | 10.404 |
| Johnson_U magnitude | |
| Johnson_B magnitude | 12.4 |
| Johnson_V magnitude | 12.66 |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | 15.679 |
| Sloan_g magnitude | 13.184 |
| Sloan_r magnitude | 12.366 |
| Sloan_i magnitude | 12.08 |
| Sloan_z magnitude | 13.405 |