BX Peg
| Simbad link | BX Peg |
|---|---|
| Source publication | Li, Kai (2015) - Four color light curves and period changes investigation of the contact binary BX Peg |
| ADS link | 2015NewA...41...17L |
| Name in Source publication | BX Peg |
| Orbital period in days (P [d]) | 0.280422 |
| Mass ratio (q) | 0.38 |
| 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]) | 0.280422 |
| Mass ratio (q) | 0.38 |
| Orbital inclination in degrees (i [o]) | 87 |
| Fillout (f) | 0.18 |
| Primary temperature in Kelvins (T1 [K]) | 5300 |
| Secondary temperature in Kelvins (T2 [K]) | 5887 |
| Primary polar radius in units of orbital separation (r1p) | 0.4455 |
| Secondary polar radius in units of orbital separation (r2p) | 0.2859 |
| Surface potential (Ω) | 2.5883 |
| Orbital separation in solar radii (a [R]) | 2.02 |
|---|---|
| Primary radius in solar units (R1 [R]) | 0.97 |
| Secondary radius in solar units (R2 [R]) | 0.62 |
| Primary mass in solar units (M1 [M]) | 1.02 |
| Secondary mass in solar units (M2 [M]) | 0.38 |
| Primary temperature in kelvins (T1 [K]) | 5300 |
| Secondary temperature in Kelvins (T2 [K]) | 5887 |
| Primary luminosity in solar units (L1 [L]) | 0.66 |
| Secondary luminosity in solar units (L2 [L]) | 0.32 |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) | 7.75 |
| Orbital period in days (P [d]) | 0.280422 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | -0.017885 |
| Cyclic period variation in years (Pc [y]) | 57.8 |
| Designation | Gaia DR2 1800400576239988224 |
|---|---|
| RA | 324:42:21.01932 |
| DEC | 26:41:34.012644 |
| l | 78.19007816 |
| b | -19.00407452 |
| G magnitude | 11.008668 |
| G_bp magnitude | 11.383244 |
| G_rp magnitude | 10.389615 |
| Radial velocity [km/s] | |
| Parallax | 6.555658153 |
| Distance [pc] | 152.539986 |
| Temperature [K] | 5262.75 |
| Radius [R] | 1.0210102 |
| Luminosity [L] | 0.7204533 |
| Simbad link | BX Peg |
|---|---|
| J magnitude | 9.525 |
| H magnitude | 9.139 |
| K magnitude | 9.031 |
| Johnson_U magnitude | |
| Johnson_B magnitude | |
| Johnson_V magnitude | 10.89 |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 11.0087 |
| Sloan_r magnitude | |
| Sloan_i magnitude | |
| Sloan_z magnitude |