LP Com
| Simbad link | LP Com |
|---|---|
| Source publication | Liu, Jinzhong (2017) - The First Photometric Investigation of the Neglected Contact Binary LP Comae |
| ADS link | 2017PASP..129j4204L |
| Name in Source publication | LP Com |
| Orbital period in days (P [d]) | 0.337934 |
| Mass ratio (q) | 0.23 |
| 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]) | 0.337934 |
| Mass ratio (q) | 0.23 |
| Orbital inclination in degrees (i [o]) | 73.1 |
| Fillout (f) | 0.21 |
| Primary temperature in Kelvins (T1 [K]) | 4852 |
| Secondary temperature in Kelvins (T2 [K]) | 5247 |
| Primary polar radius in units of orbital separation (r1p) | 0.4839 |
| Secondary polar radius in units of orbital separation (r2p) | 0.2499 |
| Surface potential (Ω) | 2.2732 |
| 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]) | 4852 |
| Secondary temperature in Kelvins (T2 [K]) | 5247 |
| 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]) | 0.337934 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | 0.022378 |
| Cyclic period variation in years (Pc [y]) | 10.09 |
| Designation | Gaia DR2 4008951374922132480 |
|---|---|
| RA | 188:16:22.43712 |
| DEC | 27:08:03.266952 |
| l | 211.801622 |
| b | 85.91832947 |
| G magnitude | 13.133483 |
| G_bp magnitude | 13.563766 |
| G_rp magnitude | 12.538877 |
| Radial velocity [km/s] | |
| Parallax | 2.066159672 |
| Distance [pc] | 483.9897 |
| Temperature [K] | 5199.18 |
| Radius [R] | 1.2537854 |
| Luminosity [L] | 1.0348575 |
| Orbital period [d] | 0.33793358 |
|---|---|
| Temperature [K] | 5362.975 |
| Surface gravity (log(g)) | 4.223 |
| Metallicity ([Fe/H]) | 0.2515 |
| Simbad link | LP Com |
|---|---|
| J magnitude | 11.751 |
| H magnitude | 11.306 |
| K magnitude | 11.233 |
| Johnson_U magnitude | 12.879 |
| Johnson_B magnitude | 13.5 |
| Johnson_V magnitude | 13.369 |
| Johnson_R magnitude | 13.078 |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 13.665 |
| Sloan_r magnitude | 13.078 |
| Sloan_i magnitude | 12.879 |
| Sloan_z magnitude |