UCAC4 479-113711

Simbad link UCAC4 479-113711
Source publication El-Sadek, M. A. (2019) - A photometric study of two recently discovered, contact binaries-II: UCAC4 479-113658 and UCAC4 479-113711
ADS link 2019NewA...69...21E
Name in Source publication UCAC4 479-113711
Orbital period in days (P [d]) 0.35292
Mass ratio (q) 0.1
Mass ratio determination Photometric
Temperature determination Color index
Type W
Has total eclipse?
Has spots?
Has third light?
Has period variation?

Solver DC
Orbital period in days (P [d]) 0.35292
Mass ratio (q) 0.1
Orbital inclination in degrees (i [o]) 78.4
Fillout (f) 0.89
Primary temperature in Kelvins (T1 [K]) 6630
Secondary temperature in Kelvins (T2 [K]) 6640
Primary polar radius in units of orbital separation (r1p) 0.5515
Secondary polar radius in units of orbital separation (r2p) 0.2117
Surface potential (Ω) 1.9008

Orbital separation in solar radii (a [R]) 2.43
Primary radius in solar units (R1 [R]) 1.47
Secondary radius in solar units (R2 [R]) 0.58
Primary mass in solar units (M1 [M]) 1.4
Secondary mass in solar units (M2 [M]) 0.14
Primary temperature in kelvins (T1 [K]) 6630
Secondary temperature in Kelvins (T2 [K]) 6640
Primary luminosity in solar units (L1 [L]) 3.7
Secondary luminosity in solar units (L2 [L]) 0.58
Distance in parsecs (d [pc])
Age in gigayears (τ [gyr]) 3.34

Host Longitude λ [o] Latitude β [o] Angular radius σ [o] Temperature contrast Tspot/Tstar
Primary 29.3 35.7 23.2 0.88
Secondary 208.3 44.4 66.4 1.17

Simbad link UCAC4 479-113711
J magnitude 14.78
H magnitude 14.576
K magnitude 14.508
Johnson_U magnitude
Johnson_B magnitude
Johnson_V magnitude
Johnson_R magnitude 16.204
Johnson_I magnitude
Sloan_u magnitude
Sloan_g magnitude
Sloan_r magnitude
Sloan_i magnitude
Sloan_z magnitude

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