BB Peg
| Simbad link | BB Peg |
|---|---|
| Source publication | Kamalifar, Z. (2020) - Photometric and periodic investigations of W-type W UMa eclipsing binary BB Peg |
| ADS link | 2020NewA...7801354K |
| Name in Source publication | BB Peg |
| Orbital period in days (P [d]) | 0.361502 |
| Mass ratio (q) | 0.32 |
| Mass ratio determination | Spectroscopic |
| Temperature determination | Unknown |
| Type | W |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? |
| Solver | PHOEBE |
|---|---|
| Orbital period in days (P [d]) | 0.361502 |
| Mass ratio (q) | 0.32 |
| Orbital inclination in degrees (i [o]) | 83.9 |
| Fillout (f) | 0.47 |
| Primary temperature in Kelvins (T1 [K]) | 6121 |
| Secondary temperature in Kelvins (T2 [K]) | 6355 |
| Primary polar radius in units of orbital separation (r1p) | 0.4705 |
| Secondary polar radius in units of orbital separation (r2p) | 0.2865 |
| Surface potential (Ω) | 2.4134 |
| Orbital separation in solar radii (a [R]) | 2.52 |
|---|---|
| Primary radius in solar units (R1 [R]) | 1.25 |
| Secondary radius in solar units (R2 [R]) | 0.79 |
| Primary mass in solar units (M1 [M]) | 1.24 |
| Secondary mass in solar units (M2 [M]) | 0.41 |
| Primary temperature in kelvins (T1 [K]) | 6121 |
| Secondary temperature in Kelvins (T2 [K]) | 6355 |
| Primary luminosity in solar units (L1 [L]) | 1.97 |
| Secondary luminosity in solar units (L2 [L]) | 0.91 |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) | 3.38 |
| Orbital period in days (P [d]) | 0.361502 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | -0.000251 |
| Cyclic period variation in years (Pc [y]) | 35.17 |
| Designation | Gaia DR2 2737141804011885952 |
|---|---|
| RA | 335:44:13.76232 |
| DEC | 16:19:27.511608 |
| l | 78.89877343 |
| b | -33.56329607 |
| G [mag] | 11.040557 |
| G_bp [mag] | 11.313123 |
| G_rp [mag] | 10.491636 |
| Parallax | 4.277903004 |
| Distance [pc] | 1.31E-09 |
| Temperature [K] | 5822.22 |
| Surface gravity log(g) [cm/s2] | |
| Metallicity [Fe/H] | |
| Monochromatic extinction A0 [mag] | |
| Radius [R] | 1.2259932 |
| Luminosity [L] | 1.5560563 |
| Temperature [K] | 5849.02 |
|---|---|
| Surface gravity log(g) [cm/s2] | 4.138 |
| Metallicity [Fe/H] | 0.05 |
| Simbad link | BB Peg |
|---|---|
| J magnitude | 10.215 |
| H magnitude | 9.9 |
| K magnitude | 9.827 |
| Johnson_U magnitude | |
| Johnson_B magnitude | 11.69 |
| Johnson_V magnitude | 11.17 |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 11.0406 |
| Sloan_r magnitude | |
| Sloan_i magnitude | |
| Sloan_z magnitude |