LO Com
| Simbad link | LO Com |
|---|---|
| Source publication | Zhang, Y. (2016) - The First Photometric Study of the Short-period Shallow Contact System LO Comae |
| ADS link | 2016PASP..128l4201Z |
| Name in Source publication | LO Com |
| Orbital period in days (P [d]) | 0.286361 |
| Mass ratio (q) | 0.4 |
| 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]) | 0.286361 |
| Mass ratio (q) | 0.4 |
| Orbital inclination in degrees (i [o]) | 80 |
| Fillout (f) | 0.09 |
| Primary temperature in Kelvins (T1 [K]) | 4874 |
| Secondary temperature in Kelvins (T2 [K]) | 5178 |
| Primary polar radius in units of orbital separation (r1p) | 0.4359 |
| Secondary polar radius in units of orbital separation (r2p) | 0.2872 |
| Surface potential (Ω) | 2.6642 |
| 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]) | 4874 |
| Secondary temperature in Kelvins (T2 [K]) | 5178 |
| 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]) | 0.286361 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | -0.010195 |
| Cyclic period variation in years (Pc [y]) |
| Designation | Gaia DR2 3960846985292488832 |
|---|---|
| RA | 188:01:13.76112 |
| DEC | 26:22:47.0226 |
| l | 221.6642467 |
| b | 85.6149907 |
| G magnitude | 13.286277 |
| G_bp magnitude | 13.693744 |
| G_rp magnitude | 12.705029 |
| Radial velocity [km/s] | |
| Parallax | 2.331343281 |
| Distance [pc] | 428.93726 |
| Temperature [K] | 5142.2065 |
| Radius [R] | 1.0638874 |
| Luminosity [L] | 0.71299106 |
| Orbital period [d] | 0.2863621 |
|---|---|
| Temperature [K] | 5164.34 |
| Surface gravity (log(g)) | 4.2195 |
| Metallicity ([Fe/H]) | -0.5585 |
| Simbad link | LO Com |
|---|---|
| J magnitude | 11.9 |
| H magnitude | 11.44 |
| K magnitude | 11.396 |
| Johnson_U magnitude | |
| Johnson_B magnitude | 14 |
| Johnson_V magnitude | 13.29 |
| Johnson_R magnitude | 12.5 |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 13.2863 |
| Sloan_r magnitude | 12.5 |
| Sloan_i magnitude | |
| Sloan_z magnitude |