UCAC4 479-113658

Simbad link UCAC4 479-113658
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 479-113658
Orbital period in days (P [d]) 0.20569
Mass ratio (q) 0.19
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]) 0.20569
Mass ratio (q) 0.19
Orbital inclination in degrees (i [o]) 68.4
Fillout (f) 0.43
Primary temperature in Kelvins (T1 [K]) 4300
Secondary temperature in Kelvins (T2 [K]) 4309
Primary polar radius in units of orbital separation (r1p) 0.5019
Secondary polar radius in units of orbital separation (r2p) 0.2458
Surface potential (Ω) 2.1668

Orbital separation in solar radii (a [R]) 1.36
Primary radius in solar units (R1 [R]) 0.74
Secondary radius in solar units (R2 [R]) 0.37
Primary mass in solar units (M1 [M]) 0.67
Secondary mass in solar units (M2 [M]) 0.13
Primary temperature in kelvins (T1 [K]) 4300
Secondary temperature in Kelvins (T2 [K]) 4309
Primary luminosity in solar units (L1 [L]) 0.17
Secondary luminosity in solar units (L2 [L]) 0.04
Distance in parsecs (d [pc])
Age in gigayears (τ [gyr])

Host Longitude λ [o] Latitude β [o] Angular radius σ [o] Temperature contrast Tspot/Tstar
Secondary 204.5 24.1 79.6 1.11

Simbad link UCAC4 479-113658
J magnitude 13.979
H magnitude 13.362
K magnitude 13.21
Johnson_U magnitude
Johnson_B magnitude
Johnson_V magnitude
Johnson_R magnitude 15.953
Johnson_I magnitude
Sloan_u magnitude
Sloan_g magnitude
Sloan_r magnitude
Sloan_i magnitude
Sloan_z magnitude

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