EH Cnc
| Simbad link | EH Cnc |
|---|---|
| Source publication | Yang, Y. -G. (2011) - Orbital-Period Variations and Photometric Analysis for the Neglected Contact Binary EH Cancri |
| ADS link | 2011PASP..123..895Y |
| Name in Source publication | EH Cnc |
| Orbital period in days (P [d]) | 0.418037 |
| 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]) | 0.418037 |
| Mass ratio (q) | 0.4 |
| Orbital inclination in degrees (i [o]) | 81.6 |
| Fillout (f) | 0.28 |
| Primary temperature in Kelvins (T1 [K]) | 6666 |
| Secondary temperature in Kelvins (T2 [K]) | 6820 |
| Primary polar radius in units of orbital separation (r1p) | 0.446 |
| Secondary polar radius in units of orbital separation (r2p) | 0.2958 |
| Surface potential (Ω) | 2.6054 |
| 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]) | 6666 |
| Secondary temperature in Kelvins (T2 [K]) | 6820 |
| 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]) | 0.418037 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | -0.008726 |
| Cyclic period variation in years (Pc [y]) | 16.6 |
| Designation | Gaia DR2 664142307790054016 |
|---|---|
| RA | 126:34:35.2776 |
| DEC | 20:52:49.672488 |
| l | 203.2560237 |
| b | 29.80056232 |
| G magnitude | 11.909156 |
| G_bp magnitude | 12.154177 |
| G_rp magnitude | 11.441348 |
| Radial velocity [km/s] | |
| Parallax | 1.981901432 |
| Distance [pc] | 504.565961 |
| Temperature [K] | 6057.467 |
| Radius [R] | 1.6303191 |
| Luminosity [L] | 3.2240672 |
| Orbital period [d] | 0.41803662 |
|---|---|
| Temperature [K] | 6198.02 |
| Surface gravity (log(g)) | 4.192 |
| Metallicity ([Fe/H]) | -0.109 |
| Simbad link | EH Cnc |
|---|---|
| J magnitude | 11.134 |
| H magnitude | 10.925 |
| K magnitude | 10.859 |
| Johnson_U magnitude | |
| Johnson_B magnitude | |
| Johnson_V magnitude | 12.3 |
| Johnson_R magnitude | 11.845 |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 11.9092 |
| Sloan_r magnitude | 11.845 |
| Sloan_i magnitude | |
| Sloan_z magnitude |