BB Peg
Simbad link | BB Peg |
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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 |
Type | W |
Has total eclipse? | |
Has spots? | |
Has third light? | |
Has period variation? |
Solver | PHOEBE |
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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 |
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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 |
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RA | 335:44:13.76232 |
DEC | 16:19:27.511608 |
l | 78.89877343 |
b | -33.56329607 |
G magnitude | 11.040557 |
G_bp magnitude | 11.313123 |
G_rp magnitude | 10.491636 |
Radial velocity [km/s] | |
Parallax | 4.277903004 |
Distance [pc] | 233.759391 |
Temperature [K] | 5822.22 |
Radius [R] | 1.2259932 |
Luminosity [L] | 1.5560563 |
Orbital period [d] | 0.361502 |
---|---|
Temperature [K] | 5849.02 |
Surface gravity (log(g)) | 4.138 |
Metallicity ([Fe/H]) | 0.05 |
Simbad link | BB Peg |
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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 |