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 |
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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 |
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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 |
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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 |