1SWASP J133105.91+121538.0

Simbad link 1SWASP J133105.91+121538.0
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 J133105.91+121538.0
Orbital period in days (P [d]) 0.218012
Mass ratio (q) 1.92
Mass ratio determination Photometric
Temperature determination Color index
Type Unspecified
Has total eclipse?
Has spots?
Has third light?
Has period variation?
Search TESS catalog of Eclipsing Binaries TIC 95525589

Solver WD
Orbital period in days (P [d]) 0.218012
Mass ratio (q) 1.92
Orbital inclination in degrees (i [o]) 75
Fillout (f) 0.18
Primary temperature in Kelvins (T1 [K]) 5150
Secondary temperature in Kelvins (T2 [K]) 4845
Primary polar radius in units of orbital separation (r1p)
Secondary polar radius in units of orbital separation (r2p)
Surface potential (Ω) 5.032

Orbital separation in solar radii (a [R])
Primary radius in solar units (R1 [R]) 0.75
Secondary radius in solar units (R2 [R]) 0.53
Primary mass in solar units (M1 [M]) 0.82
Secondary mass in solar units (M2 [M]) 0.42
Primary temperature in kelvins (T1 [K]) 5150
Secondary temperature in Kelvins (T2 [K]) 4845
Primary luminosity in solar units (L1 [L]) 0.36
Secondary luminosity in solar units (L2 [L]) 0.14
Distance in parsecs (d [pc])
Age in gigayears (τ [gyr])

Orbital period in days (P [d]) 0.218012
Monotonic period variation in seconds per year (dPdt [s/y])
Cyclic period variation in years (Pc [y]) 150.18

Designation Gaia DR3 3738936917145545600
RA 202:46:27.397123
DEC 12:15:37.168958
l 336.8801952823202
b 72.46459621175245
G [mag] 10.490051
G_bp [mag] 10.975847
G_rp [mag] 9.842757
Parallax 14.043874642561281
Distance [pc] 70.2881
Temperature [K] 4875.223
Surface gravity log(g) [cm/s2] 4.5742
Metallicity [Fe/H] -0.1054
Monochromatic extinction A0 [mag] 0.0426
Radius [R] 0.7016162
Luminosity [L] 0.26986524

Temperature [K] 4871.63
Surface gravity log(g) [cm/s2] 4.729
Metallicity [Fe/H] -0.138

Simbad link 1SWASP J133105.91+121538.0
J magnitude 9.098
H magnitude 8.574
K magnitude 8.481
Johnson_U magnitude
Johnson_B magnitude
Johnson_V magnitude
Johnson_R magnitude
Johnson_I magnitude
Sloan_u magnitude
Sloan_g magnitude 10.98
Sloan_r magnitude 10.293
Sloan_i magnitude 9.93
Sloan_z magnitude

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