CRTS J224015.4+184738

Simbad link CRTS J224015.4+184738
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 CRTS J224015.4+184738
Orbital period in days (P [d]) 0.218802
Mass ratio (q) 0.4
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]) 0.218802
Mass ratio (q) 0.4
Orbital inclination in degrees (i [o]) 77.3
Fillout (f) 0.14
Primary temperature in Kelvins (T1 [K]) 4441
Secondary temperature in Kelvins (T2 [K]) 4643
Primary polar radius in units of orbital separation (r1p) 0.4392
Secondary polar radius in units of orbital separation (r2p) 0.2892
Surface potential (Ω) 2.6431

Orbital separation in solar radii (a [R]) 1.51
Primary radius in solar units (R1 [R]) 0.7
Secondary radius in solar units (R2 [R]) 0.47
Primary mass in solar units (M1 [M]) 0.69
Secondary mass in solar units (M2 [M]) 0.28
Primary temperature in kelvins (T1 [K]) 4441
Secondary temperature in Kelvins (T2 [K]) 4643
Primary luminosity in solar units (L1 [L]) 0.17
Secondary luminosity in solar units (L2 [L]) 0.09
Distance in parsecs (d [pc])
Age in gigayears (τ [gyr]) 10.82

Orbital period in days (P [d]) 0.218802
Monotonic period variation in seconds per year (dPdt [s/y]) 0.012787
Cyclic period variation in years (Pc [y])

Designation Gaia DR2 2833270082699709824
RA 340:03:51.53688
DEC 18:47:38.075172
l 84.64593217
b -34.14886296
G magnitude 15.607645
G_bp magnitude 16.295254
G_rp magnitude 14.800402
Radial velocity [km/s]
Parallax 0.888859679
Distance [pc] 1.125037
Temperature [K] 4474
Radius [R]
Luminosity [L]

Simbad link CRTS J224015.4+184738
J magnitude
H magnitude
K magnitude
Johnson_U magnitude
Johnson_B magnitude
Johnson_V magnitude 15.45
Johnson_R magnitude
Johnson_I magnitude
Sloan_u magnitude
Sloan_g magnitude 15.6076
Sloan_r magnitude
Sloan_i magnitude
Sloan_z magnitude

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