AD Cnc
| Simbad link | AD Cnc |
|---|---|
| Source publication | Qian, S. -B. (2007) - AD Cancri: A Shallow Contact Solar-Type Eclipsing Binary and Evidence for a Dwarf Third Component and a 16 Year Magnetic Cycle |
| ADS link | 2007ApJ...671..811Q |
| Name in Source publication | AD Cnc |
| Orbital period in days (P [d]) | 0.282729 |
| Mass ratio (q) | 0.77 |
| 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]) | 0.282729 |
| Mass ratio (q) | 0.77 |
| Orbital inclination in degrees (i [o]) | 65.9 |
| Fillout (f) | 0.09 |
| Primary temperature in Kelvins (T1 [K]) | 4794 |
| Secondary temperature in Kelvins (T2 [K]) | 5000 |
| Primary polar radius in units of orbital separation (r1p) | 0.3835 |
| Secondary polar radius in units of orbital separation (r2p) | 0.3401 |
| Surface potential (Ω) | 3.3267 |
| 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]) | 4794 |
| Secondary temperature in Kelvins (T2 [K]) | 5000 |
| 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]) | 0.282729 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | 0.042682 |
| Cyclic period variation in years (Pc [y]) | 16.2 |
| Designation | Gaia DR2 598699921163689472 |
|---|---|
| RA | 131:35:01.3776 |
| DEC | 10:20:07.012068 |
| l | 216.6403451 |
| b | 30.17154118 |
| G magnitude | 13.019077 |
| G_bp magnitude | 13.540504 |
| G_rp magnitude | 12.355604 |
| Radial velocity [km/s] | |
| Parallax | 3.122261659 |
| Distance [pc] | 320.280652 |
| Temperature [K] | 4896.5 |
| Radius [R] | 1.0168393 |
| Luminosity [L] | 0.53547895 |
| Orbital period [d] | 0.28273824 |
|---|---|
| Temperature [K] | 4768.77 |
| Surface gravity (log(g)) | 4.32566666666667 |
| Metallicity ([Fe/H]) | -0.378 |
| Simbad link | AD Cnc |
|---|---|
| J magnitude | 11.435 |
| H magnitude | 10.905 |
| K magnitude | 10.796 |
| Johnson_U magnitude | |
| Johnson_B magnitude | 13.8 |
| Johnson_V magnitude | 13.06 |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 13.0191 |
| Sloan_r magnitude | |
| Sloan_i magnitude | |
| Sloan_z magnitude |