FN Cam
| Simbad link | FN Cam |
|---|---|
| Source publication | Pribulla, T. (2002) - The First Ground-Based Photometry of Contact Binaries FN Cam and EX Leo |
| ADS link | 2002IBVS.5258....1P |
| Name in Source publication | FN Cam |
| Orbital period in days (P [d]) | 0.677132 |
| Mass ratio (q) | 0.22 |
| Mass ratio determination | Spectroscopic |
| Type | W |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? |
| Solver | WD |
|---|---|
| Orbital period in days (P [d]) | 0.677132 |
| Mass ratio (q) | 0.22 |
| Orbital inclination in degrees (i [o]) | 71.2 |
| Fillout (f) | 0.88 |
| Primary temperature in Kelvins (T1 [K]) | 6700 |
| Secondary temperature in Kelvins (T2 [K]) | 6848 |
| Primary polar radius in units of orbital separation (r1p) | 0.509 |
| Secondary polar radius in units of orbital separation (r2p) | 0.2743 |
| Surface potential (Ω) | 2.1626 |
| Orbital separation in solar radii (a [R]) | 4.64 |
|---|---|
| Primary radius in solar units (R1 [R]) | |
| Secondary radius in solar units (R2 [R]) | |
| Primary mass in solar units (M1 [M]) | 2.4 |
| Secondary mass in solar units (M2 [M]) | 0.53 |
| Primary temperature in kelvins (T1 [K]) | 6700 |
| Secondary temperature in Kelvins (T2 [K]) | 6848 |
| 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]) | 0.677132 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | 0.037843 |
| Cyclic period variation in years (Pc [y]) | |
| Period study | Hu, Ke (2018) - On orbital period changes of two low-mass-ratio and deep-contact binaries: FN Cam and KN Per |
| ADS link | 2018NewA...62...20H |
| Designation | Gaia DR2 1131545078714444032 |
|---|---|
| RA | 140:44:30.42348 |
| DEC | 77:13:10.517988 |
| l | 135.1547301 |
| b | 34.44247617 |
| G magnitude | 8.659136 |
| G_bp magnitude | 8.848709 |
| G_rp magnitude | 8.309 |
| Radial velocity [km/s] | |
| Parallax | 4.380556627 |
| Distance [pc] | 228.281491 |
| Temperature [K] | 7030 |
| Radius [R] | 2.4417908 |
| Luminosity [L] | 13.119971 |
| Simbad link | FN Cam |
|---|---|
| J magnitude | 7.908 |
| H magnitude | 7.785 |
| K magnitude | 7.708 |
| Johnson_U magnitude | |
| Johnson_B magnitude | 9.03 |
| Johnson_V magnitude | 8.64 |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 8.6591 |
| Sloan_r magnitude | |
| Sloan_i magnitude | |
| Sloan_z magnitude |