DY CVn
| Simbad link | DY CVn |
|---|---|
| Source publication | ZhiNing, Qu (2017) - The first photometric investigation of the neglected short period binary DY CVn |
| ADS link | 2017NewA...54..103Z |
| Name in Source publication | DY CVn |
| Orbital period in days (P [d]) | 0.24595 |
| Mass ratio (q) | 0.8 |
| 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]) | 0.24595 |
| Mass ratio (q) | 0.8 |
| Orbital inclination in degrees (i [o]) | 88.1 |
| Fillout (f) | 0.13 |
| Primary temperature in Kelvins (T1 [K]) | 4297 |
| Secondary temperature in Kelvins (T2 [K]) | 4410 |
| Primary polar radius in units of orbital separation (r1p) | 0.3829 |
| Secondary polar radius in units of orbital separation (r2p) | 0.3458 |
| Surface potential (Ω) | 3.3587 |
| Orbital separation in solar radii (a [R]) | 1.76 |
|---|---|
| Primary radius in solar units (R1 [R]) | |
| Secondary radius in solar units (R2 [R]) | |
| Primary mass in solar units (M1 [M]) | 0.67 |
| Secondary mass in solar units (M2 [M]) | 0.54 |
| Primary temperature in kelvins (T1 [K]) | 4297 |
| Secondary temperature in Kelvins (T2 [K]) | 4410 |
| 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]) | 0.24595 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | |
| Cyclic period variation in years (Pc [y]) | 14.9 |
| Designation | Gaia DR2 1522367792477084160 |
|---|---|
| RA | 197:41:56.1678 |
| DEC | 36:44:07.834848 |
| l | 101.033316 |
| b | 79.55588702 |
| G magnitude | 13.613021 |
| G_bp magnitude | 14.322457 |
| G_rp magnitude | 12.799824 |
| Radial velocity [km/s] | |
| Parallax | 3.923288827 |
| Distance [pc] | 254.888193 |
| Temperature [K] | 4602.1465 |
| Radius [R] | 0.7282268 |
| Luminosity [L] | 0.21432348 |
| Orbital period [d] | 0.2459495 |
|---|---|
| Temperature [K] | 4197.58 |
| Surface gravity (log(g)) | 4.41066666666667 |
| Metallicity ([Fe/H]) | -0.246666666666667 |
| Simbad link | DY CVn |
|---|---|
| J magnitude | 11.544 |
| H magnitude | 10.93 |
| K magnitude | 10.787 |
| Johnson_U magnitude | |
| Johnson_B magnitude | 14.9 |
| Johnson_V magnitude | 13.38 |
| Johnson_R magnitude | 12.4 |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 13.613 |
| Sloan_r magnitude | 12.4 |
| Sloan_i magnitude | |
| Sloan_z magnitude |