LO And
| Simbad link | LO And |
|---|---|
| Source publication | Nelson, Robert H. (2015) - LO Andromedae - A W-Type Overcontact Eclipsing Binary |
| ADS link | 2015IBVS.6134....1N |
| Name in Source publication | LO And |
| Orbital period in days (P [d]) | 0.380442 |
| Mass ratio (q) | 0.31 |
| 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]) | 0.380442 |
| Mass ratio (q) | 0.31 |
| Orbital inclination in degrees (i [o]) | 80.1 |
| Fillout (f) | 0.4 |
| Primary temperature in Kelvins (T1 [K]) | 6650 |
| Secondary temperature in Kelvins (T2 [K]) | 6690 |
| Primary polar radius in units of orbital separation (r1p) | 0.4706 |
| Secondary polar radius in units of orbital separation (r2p) | 0.2797 |
| Surface potential (Ω) | 2.401 |
| Orbital separation in solar radii (a [R]) | 2.74 |
|---|---|
| Primary radius in solar units (R1 [R]) | 1.4 |
| Secondary radius in solar units (R2 [R]) | 0.84 |
| Primary mass in solar units (M1 [M]) | 1.47 |
| Secondary mass in solar units (M2 [M]) | 0.45 |
| Primary temperature in kelvins (T1 [K]) | 6650 |
| Secondary temperature in Kelvins (T2 [K]) | 6690 |
| Primary luminosity in solar units (L1 [L]) | 3.44 |
| Secondary luminosity in solar units (L2 [L]) | 1.27 |
| Distance in parsecs (d [pc]) | 343 |
| Age in gigayears (τ [gyr]) | 2.72 |
| Orbital period in days (P [d]) | 0.380442 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | 0.019354 |
| Cyclic period variation in years (Pc [y]) | 29.6 |
| Designation | Gaia DR2 1938276860462797568 |
|---|---|
| RA | 351:46:40.42344 |
| DEC | 45:33:22.169808 |
| l | 107.829803 |
| b | -14.82839347 |
| G magnitude | 11.223039 |
| G_bp magnitude | 11.511441 |
| G_rp magnitude | 10.665756 |
| Radial velocity [km/s] | |
| Parallax | 3.37775091 |
| Distance [pc] | 296.054986 |
| Temperature [K] | 5671.555 |
| Radius [R] | 1.5118316 |
| Luminosity [L] | 2.1306405 |
| Simbad link | LO And |
|---|---|
| J magnitude | 10.094 |
| H magnitude | 9.8 |
| K magnitude | 9.706 |
| Johnson_U magnitude | |
| Johnson_B magnitude | 11.95 |
| Johnson_V magnitude | 11.25 |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 11.223 |
| Sloan_r magnitude | |
| Sloan_i magnitude | |
| Sloan_z magnitude |