CRTS J143358.7+053953

Simbad link CRTS J143358.7+053953
Source publication Panchal, A. (2025) - Exploring Contact Binaries: Observational Analysis of Four W Uma Binaries Using Photometry and Spectroscopy
ADS link 2025ApJ...986..141P
Name in Source publication J1433
Orbital period in days (P [d]) 0.352746
Mass ratio (q) 0.44
Mass ratio determination Photometric
Temperature determination Unknown
Type A
Has total eclipse?
Has spots?
Has third light?
Has period variation?

Solver PHOEBE
Orbital period in days (P [d]) 0.352746
Mass ratio (q) 0.44
Orbital inclination in degrees (i [o]) 72.8
Fillout (f) 0.11
Primary temperature in Kelvins (T1 [K]) 5614
Secondary temperature in Kelvins (T2 [K]) 5266
Primary polar radius in units of orbital separation (r1p)
Secondary polar radius in units of orbital separation (r2p)
Surface potential (Ω) 2.699

Orbital separation in solar radii (a [R]) 3.08
Primary radius in solar units (R1 [R]) 1.42
Secondary radius in solar units (R2 [R]) 0.96
Primary mass in solar units (M1 [M]) 2.19
Secondary mass in solar units (M2 [M]) 0.97
Primary temperature in kelvins (T1 [K]) 5614
Secondary temperature in Kelvins (T2 [K]) 5266
Primary luminosity in solar units (L1 [L]) 1.86
Secondary luminosity in solar units (L2 [L]) 0.64
Distance in parsecs (d [pc])
Age in gigayears (τ [gyr])

Orbital period in days (P [d]) 0.352746
Monotonic period variation in seconds per year (dPdt [s/y]) -0.09504
Cyclic period variation in years (Pc [y])

Host Longitude λ [o] Latitude β [o] Angular radius σ [o] Temperature contrast Tspot/Tstar
Primary 225 72 15 1.1
Secondary 315 90 10 1.13

Designation Gaia DR3 1171237139238359424
RA 218:29:40.878629
DEC 5:39:53.027496
l 356.20292503474866
b 57.50882573083038
G [mag] 13.373892
G_bp [mag] 13.718071
G_rp [mag] 12.860806
Parallax 1.3557253591419594
Distance [pc] 707.763
Temperature [K] 5506.679
Surface gravity log(g) [cm/s2] 4.1936
Metallicity [Fe/H] -0.5924
Monochromatic extinction A0 [mag] 0.0114
Radius [R]
Luminosity [L]

Temperature [K] 5745.61
Surface gravity log(g) [cm/s2] 3.995
Metallicity [Fe/H] 0.004

Simbad link CRTS J143358.7+053953
J magnitude
H magnitude
K magnitude
Johnson_U magnitude
Johnson_B magnitude
Johnson_V magnitude 13.37
Johnson_R magnitude
Johnson_I magnitude
Sloan_u magnitude
Sloan_g magnitude 13.756
Sloan_r magnitude 13.269
Sloan_i magnitude
Sloan_z magnitude

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