EH CVn

Simbad link EH CVn
Source publication Xia, Qi-Qi (2018) - The first photometric investigation and period study of two W UMa-type binary systems: EF CVn and EH CVn
ADS link 2018PASJ...70..104X
Name in Source publication EH CVn
Orbital period in days (P [d]) 0.26358
Mass ratio (q) 0.3
Mass ratio determination Photometric
Type A
Has total eclipse?
Has spots?
Has third light?
Has period variation?

Solver WD
Orbital period in days (P [d]) 0.26358
Mass ratio (q) 0.3
Orbital inclination in degrees (i [o]) 62.3
Fillout (f) 0.19
Primary temperature in Kelvins (T1 [K]) 5268
Secondary temperature in Kelvins (T2 [K]) 4762
Primary polar radius in units of orbital separation (r1p) 0.4633
Secondary polar radius in units of orbital separation (r2p) 0.2692
Surface potential (Ω) 2.4307

Orbital separation in solar radii (a [R]) 2.19
Primary radius in solar units (R1 [R]) 1.09
Secondary radius in solar units (R2 [R]) 0.64
Primary mass in solar units (M1 [M]) 0.67
Secondary mass in solar units (M2 [M]) 0.2
Primary temperature in kelvins (T1 [K]) 5268
Secondary temperature in Kelvins (T2 [K]) 4762
Primary luminosity in solar units (L1 [L]) 0.55
Secondary luminosity in solar units (L2 [L]) 0.28
Distance in parsecs (d [pc])
Age in gigayears (τ [gyr]) 8.13

Orbital period in days (P [d]) 0.26358
Monotonic period variation in seconds per year (dPdt [s/y]) -0.004493
Cyclic period variation in years (Pc [y])

Designation Gaia DR2 1456800546860152448
RA 205:18:25.90092
DEC 31:47:25.584288
l 59.19231186
b 78.21164337
G magnitude 12.849916
G_bp magnitude 13.402631
G_rp magnitude 12.164331
Radial velocity [km/s]
Parallax 3.697001993
Distance [pc] 270.48944
Temperature [K] 5045
Radius [R] 0.860017
Luminosity [L] 0.43167156

Orbital period [d] 0.263587
Temperature [K] 4732.73333333333
Surface gravity (log(g)) 4.32733333333333
Metallicity ([Fe/H]) -0.185666666666667

Simbad link EH CVn
J magnitude 11.327
H magnitude 10.805
K magnitude 10.682
Johnson_U magnitude
Johnson_B magnitude
Johnson_V magnitude 13
Johnson_R magnitude
Johnson_I magnitude
Sloan_u magnitude
Sloan_g magnitude 12.8499
Sloan_r magnitude
Sloan_i magnitude
Sloan_z magnitude

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