1SWASP J220235.74+311909.7

Simbad link 1SWASP J220235.74+311909.7
Source publication Li, Kai (2019) - Contact binaries at the short period cut-off - I. Statistics and the first photometric investigations of 10 totally eclipsing systems
ADS link 2019MNRAS.485.4588L
Name in Source publication J220235
Orbital period in days (P [d]) 0.220477
Mass ratio (q) 0.38
Mass ratio determination Photometric
Type W
Has total eclipse?
Has spots?
Has third light?
Has period variation?

Solver WD
Orbital period in days (P [d]) 0.220477
Mass ratio (q) 0.38
Orbital inclination in degrees (i [o]) 84.5
Fillout (f) 0.24
Primary temperature in Kelvins (T1 [K]) 4967
Secondary temperature in Kelvins (T2 [K]) 5075
Primary polar radius in units of orbital separation (r1p) 0.4472
Secondary polar radius in units of orbital separation (r2p) 0.2899
Surface potential (Ω) 2.584

Orbital separation in solar radii (a [R])
Primary radius in solar units (R1 [R])
Secondary radius in solar units (R2 [R])
Primary mass in solar units (M1 [M])
Secondary mass in solar units (M2 [M])
Primary temperature in kelvins (T1 [K]) 4967
Secondary temperature in Kelvins (T2 [K]) 5075
Primary luminosity in solar units (L1 [L])
Secondary luminosity in solar units (L2 [L])
Distance in parsecs (d [pc])
Age in gigayears (τ [gyr])

Designation Gaia DR2 1898638366767417600
RA 330:38:53.7198
DEC 31:19:10.672284
l 85.54795843
b -19.03269788
G magnitude 19.679821
G_bp magnitude 19.76693
G_rp magnitude 18.086529
Radial velocity [km/s]
Parallax 2.6752786
Distance [pc] 0.373793
Temperature [K]
Radius [R]
Luminosity [L]

Simbad link 1SWASP J220235.74+311909.7
J magnitude 12.68
H magnitude 12.142
K magnitude 12.027
Johnson_U magnitude
Johnson_B magnitude
Johnson_V magnitude 14.02
Johnson_R magnitude
Johnson_I magnitude
Sloan_u magnitude
Sloan_g magnitude 14.2044
Sloan_r magnitude
Sloan_i magnitude
Sloan_z magnitude

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