LP UMa
| Simbad link | LP UMa |
|---|---|
| Source publication | Guo, D. -F. (2016) - The highest rate orbital period increasing contact binary LP UMa revisited |
| ADS link | 2016NewA...44...29G |
| Name in Source publication | LP UMa |
| Orbital period in days (P [d]) | 0.309898 |
| Mass ratio (q) | 0.33 |
| Mass ratio determination | Photometric |
| Type | A |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? |
| Solver | WD |
|---|---|
| Orbital period in days (P [d]) | 0.309898 |
| Mass ratio (q) | 0.33 |
| Orbital inclination in degrees (i [o]) | 52.6 |
| Fillout (f) | 0.09 |
| Primary temperature in Kelvins (T1 [K]) | 5500 |
| Secondary temperature in Kelvins (T2 [K]) | 5256 |
| Primary polar radius in units of orbital separation (r1p) | 0.452 |
| Secondary polar radius in units of orbital separation (r2p) | 0.2719 |
| Surface potential (Ω) | 2.5131 |
| Orbital separation in solar radii (a [R]) | 2.06 |
|---|---|
| Primary radius in solar units (R1 [R]) | |
| Secondary radius in solar units (R2 [R]) | |
| Primary mass in solar units (M1 [M]) | 0.92 |
| Secondary mass in solar units (M2 [M]) | 0.3 |
| Primary temperature in kelvins (T1 [K]) | 5500 |
| Secondary temperature in Kelvins (T2 [K]) | 5256 |
| 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]) | 0.309898 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | 0.093312 |
| Cyclic period variation in years (Pc [y]) | 14.84 |
| Designation | Gaia DR2 855120777384480512 |
|---|---|
| RA | 158:29:27.17592 |
| DEC | 58:52:15.620916 |
| l | 150.1561744 |
| b | 50.36259223 |
| G magnitude | 12.496656 |
| G_bp magnitude | 12.8482 |
| G_rp magnitude | 11.992479 |
| Radial velocity [km/s] | -48.24772357 |
| Parallax | 2.202764148 |
| Distance [pc] | 453.975066 |
| Temperature [K] | 5766 |
| Radius [R] | 1.2436079 |
| Luminosity [L] | 1.5401398 |
| Simbad link | LP UMa |
|---|---|
| J magnitude | 11.392 |
| H magnitude | 11.073 |
| K magnitude | 10.992 |
| Johnson_U magnitude | 13.7 |
| Johnson_B magnitude | |
| Johnson_V magnitude | |
| Johnson_R magnitude | 14.096 |
| Johnson_I magnitude | |
| Sloan_u magnitude | 14.777 |
| Sloan_g magnitude | 13.34 |
| Sloan_r magnitude | 14.096 |
| Sloan_i magnitude | 13.7 |
| Sloan_z magnitude | 12.834 |