XY Leo
| Simbad link | XY Leo |
|---|---|
| Source publication | Deb, Sukanta (2011) - Physical parameters of 62 eclipsing binary stars using the All Sky Automated Survey-3 data - I |
| ADS link | 2011MNRAS.412.1787D |
| Name in Source publication | 100141+1724.5 |
| Orbital period in days (P [d]) | 0.284101 |
| Mass ratio (q) | 0.73 |
| 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]) | 0.284101 |
| Mass ratio (q) | 0.73 |
| Orbital inclination in degrees (i [o]) | 68.6 |
| Fillout (f) | 0.21 |
| Primary temperature in Kelvins (T1 [K]) | 4742 |
| Secondary temperature in Kelvins (T2 [K]) | 5150 |
| Primary polar radius in units of orbital separation (r1p) | 0.3954 |
| Secondary polar radius in units of orbital separation (r2p) | 0.3429 |
| Surface potential (Ω) | 3.207 |
| Orbital separation in solar radii (a [R]) | 2.07 |
|---|---|
| Primary radius in solar units (R1 [R]) | 0.88 |
| Secondary radius in solar units (R2 [R]) | 0.76 |
| Primary mass in solar units (M1 [M]) | 0.85 |
| Secondary mass in solar units (M2 [M]) | 0.62 |
| Primary temperature in kelvins (T1 [K]) | 4742 |
| Secondary temperature in Kelvins (T2 [K]) | 5150 |
| Primary luminosity in solar units (L1 [L]) | 0.35 |
| Secondary luminosity in solar units (L2 [L]) | 0.37 |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) | 5.04 |
| Orbital period in days (P [d]) | 0.284101 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | 0.002462 |
| Cyclic period variation in years (Pc [y]) | 49.65 |
| Period study | Szalai, T. (2007) - Physical parameters and multiplicity of five southern close eclipsing binaries |
| ADS link | 2007A&A...465..943S |
| Designation | Gaia DR2 623076270045202048 |
|---|---|
| RA | 150:25:07.5234 |
| DEC | 17:24:31.9599 |
| l | 217.797794 |
| b | 49.74091366 |
| G magnitude | 9.264239 |
| G_bp magnitude | 9.840441 |
| G_rp magnitude | 8.565391 |
| Radial velocity [km/s] | |
| Parallax | 15.90478278 |
| Distance [pc] | 62.874169 |
| Temperature [K] | 4945.8374 |
| Radius [R] | 1.0961881 |
| Luminosity [L] | 0.647775 |
| Orbital period [d] | 0.284101 |
|---|---|
| Temperature [K] | 4757.32 |
| Surface gravity (log(g)) | 4.367 |
| Metallicity ([Fe/H]) | -0.087 |
| Simbad link | XY Leo |
|---|---|
| J magnitude | 7.691 |
| H magnitude | 7.149 |
| K magnitude | 6.99 |
| Johnson_U magnitude | 8.474 |
| Johnson_B magnitude | 10.66 |
| Johnson_V magnitude | 9.68 |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 9.2642 |
| Sloan_r magnitude | |
| Sloan_i magnitude | 8.474 |
| Sloan_z magnitude |