1SWASP J031700.67+190839.6

Simbad link 1SWASP J031700.67+190839.6
Source publication Li, Kai (2020) - The First Light Curve Modeling and Orbital Period Change Investigation of Nine Contact Binaries around the Short-period Cutoff
ADS link 2020AJ....159..189L
Name in Source publication 1SWASP J031700.67+190839.6
Orbital period in days (P [d]) 0.22564
Mass ratio (q) 0.26
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]) 0.22564
Mass ratio (q) 0.26
Orbital inclination in degrees (i [o]) 79.7
Fillout (f) 0.04
Primary temperature in Kelvins (T1 [K]) 4791
Secondary temperature in Kelvins (T2 [K]) 4968
Primary polar radius in units of orbital separation (r1p) 0.4693
Secondary polar radius in units of orbital separation (r2p) 0.2519
Surface potential (Ω) 2.3644

Orbital separation in solar radii (a [R]) 1.53
Primary radius in solar units (R1 [R]) 0.77
Secondary radius in solar units (R2 [R]) 0.41
Primary mass in solar units (M1 [M]) 0.75
Secondary mass in solar units (M2 [M]) 0.19
Primary temperature in kelvins (T1 [K]) 4791
Secondary temperature in Kelvins (T2 [K]) 4968
Primary luminosity in solar units (L1 [L]) 0.21
Secondary luminosity in solar units (L2 [L]) 0.07
Distance in parsecs (d [pc])
Age in gigayears (τ [gyr])

Orbital period in days (P [d]) 0.22564
Monotonic period variation in seconds per year (dPdt [s/y]) -0.006912
Cyclic period variation in years (Pc [y])

Designation Gaia DR2 59229699251693824
RA 49:15:10.71378
DEC 19:08:39.377832
l 164.2052212
b -31.81960928
G magnitude 14.256941
G_bp magnitude 14.887787
G_rp magnitude 13.416279
Radial velocity [km/s]
Parallax 2.886853904
Distance [pc] 0.346398
Temperature [K] 4497
Radius [R] 0.7859969
Luminosity [L] 0.22762918

Simbad link 1SWASP J031700.67+190839.6
J magnitude 12.259
H magnitude 11.664
K magnitude 11.503
Johnson_U magnitude
Johnson_B magnitude
Johnson_V magnitude 14.06
Johnson_R magnitude
Johnson_I magnitude
Sloan_u magnitude
Sloan_g magnitude 14.2569
Sloan_r magnitude
Sloan_i magnitude
Sloan_z magnitude

Back to List