1SWASP J173828.46+111150.2

Simbad link 1SWASP J173828.46+111150.2
Source publication Loukaidou, G. A. (2022) - CoBiToM Project - II. Evolution of contact binary systems close to the orbital period cut-off
ADS link 2022MNRAS.514.5528L
Name in Source publication 1SWASP J173828.46+111150.2
Orbital period in days (P [d]) 0.249349
Mass ratio (q) 0.28
Mass ratio determination Photometric
Temperature determination Color index
Type Unspecified
Has total eclipse?
Has spots?
Has third light?
Has period variation?

Solver WD
Orbital period in days (P [d]) 0.249349
Mass ratio (q) 0.28
Orbital inclination in degrees (i [o]) 67.9
Fillout (f) 0.01
Primary temperature in Kelvins (T1 [K]) 5250
Secondary temperature in Kelvins (T2 [K]) 5065
Primary polar radius in units of orbital separation (r1p)
Secondary polar radius in units of orbital separation (r2p)
Surface potential (Ω) 2.431

Orbital separation in solar radii (a [R])
Primary radius in solar units (R1 [R]) 0.88
Secondary radius in solar units (R2 [R]) 0.46
Primary mass in solar units (M1 [M]) 0.92
Secondary mass in solar units (M2 [M]) 0.26
Primary temperature in kelvins (T1 [K]) 5250
Secondary temperature in Kelvins (T2 [K]) 5065
Primary luminosity in solar units (L1 [L]) 0.53
Secondary luminosity in solar units (L2 [L]) 0.13
Distance in parsecs (d [pc])
Age in gigayears (τ [gyr])

Orbital period in days (P [d]) 0.249349
Monotonic period variation in seconds per year (dPdt [s/y]) 0.10584
Cyclic period variation in years (Pc [y])

Host Longitude λ [o] Latitude β [o] Angular radius σ [o] Temperature contrast Tspot/Tstar
Primary 254.5 16.5 0.704

Simbad link 1SWASP J173828.46+111150.2
J magnitude
H magnitude
K magnitude
Johnson_U magnitude
Johnson_B magnitude
Johnson_V magnitude
Johnson_R magnitude
Johnson_I magnitude
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Sloan_z magnitude

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