EH CVn
| Simbad link | EH CVn |
|---|---|
| Source publication | Xia, Qi-Qi (2018) - The first photometric investigation and period study of two W UMa-type binary systems: EF CVn and EH CVn |
| ADS link | 2018PASJ...70..104X |
| Name in Source publication | EH CVn |
| Orbital period in days (P [d]) | 0.26358 |
| Mass ratio (q) | 0.3 |
| Mass ratio determination | Photometric |
| Temperature determination | Unknown |
| Type | A |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? |
| Solver | WD |
|---|---|
| Orbital period in days (P [d]) | 0.26358 |
| Mass ratio (q) | 0.3 |
| Orbital inclination in degrees (i [o]) | 62.3 |
| Fillout (f) | 0.19 |
| Primary temperature in Kelvins (T1 [K]) | 5268 |
| Secondary temperature in Kelvins (T2 [K]) | 4762 |
| Primary polar radius in units of orbital separation (r1p) | 0.4633 |
| Secondary polar radius in units of orbital separation (r2p) | 0.2692 |
| Surface potential (Ω) | 2.4307 |
| Orbital separation in solar radii (a [R]) | 2.19 |
|---|---|
| Primary radius in solar units (R1 [R]) | 1.09 |
| Secondary radius in solar units (R2 [R]) | 0.64 |
| Primary mass in solar units (M1 [M]) | 0.67 |
| Secondary mass in solar units (M2 [M]) | 0.2 |
| Primary temperature in kelvins (T1 [K]) | 5268 |
| Secondary temperature in Kelvins (T2 [K]) | 4762 |
| Primary luminosity in solar units (L1 [L]) | 0.55 |
| Secondary luminosity in solar units (L2 [L]) | 0.28 |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) | 8.13 |
| Orbital period in days (P [d]) | 0.26358 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | -0.004493 |
| Cyclic period variation in years (Pc [y]) |
| Designation | Gaia DR2 1456800546860152448 |
|---|---|
| RA | 205:18:25.90092 |
| DEC | 31:47:25.584288 |
| l | 59.19231186 |
| b | 78.21164337 |
| G [mag] | 12.849916 |
| G_bp [mag] | 13.402631 |
| G_rp [mag] | 12.164331 |
| Parallax | 3.697001993 |
| Distance [pc] | 1.7E-09 |
| Temperature [K] | 5045 |
| Surface gravity log(g) [cm/s2] | |
| Metallicity [Fe/H] | |
| Monochromatic extinction A0 [mag] | |
| Radius [R] | 0.860017 |
| Luminosity [L] | 0.43167156 |
| Temperature [K] | 4732.73333333333 |
|---|---|
| Surface gravity log(g) [cm/s2] | 4.32733333333333 |
| Metallicity [Fe/H] | -0.185666666666667 |
| Simbad link | EH CVn |
|---|---|
| J magnitude | 11.327 |
| H magnitude | 10.805 |
| K magnitude | 10.682 |
| Johnson_U magnitude | |
| Johnson_B magnitude | |
| Johnson_V magnitude | 13 |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 12.8499 |
| Sloan_r magnitude | |
| Sloan_i magnitude | |
| Sloan_z magnitude |