V566 Oph

Simbad link V566 Oph
Source publication Gazeas, K. (2021) - Physical parameters of close binary systems: VIII
ADS link 2021MNRAS.501.2897G
Name in Source publication V566 Oph
Orbital period in days (P [d]) 0.409657
Mass ratio (q) 0.27
Mass ratio determination Spectroscopic
Temperature determination Spectral type
Type A
Has total eclipse?
Has spots?
Has third light?
Has period variation?
Search TESS catalog of Eclipsing Binaries TIC 325369395

Solver WD
Orbital period in days (P [d]) 0.409657
Mass ratio (q) 0.27
Orbital inclination in degrees (i [o]) 83
Fillout (f) 0.38
Primary temperature in Kelvins (T1 [K]) 6530
Secondary temperature in Kelvins (T2 [K]) 6480
Primary polar radius in units of orbital separation (r1p)
Secondary polar radius in units of orbital separation (r2p)
Surface potential (Ω) 2.343

Orbital separation in solar radii (a [R])
Primary radius in solar units (R1 [R]) 1.44
Secondary radius in solar units (R2 [R]) 0.79
Primary mass in solar units (M1 [M]) 1.36
Secondary mass in solar units (M2 [M]) 0.36
Primary temperature in kelvins (T1 [K]) 6530
Secondary temperature in Kelvins (T2 [K]) 6480
Primary luminosity in solar units (L1 [L]) 3.41
Secondary luminosity in solar units (L2 [L]) 0.99
Distance in parsecs (d [pc])
Age in gigayears (τ [gyr])

Orbital period in days (P [d]) 0.409657
Monotonic period variation in seconds per year (dPdt [s/y]) 3.2E-05
Cyclic period variation in years (Pc [y]) 43.4
Period study Selam, S. O. (2018) - A simultaneous spectroscopic and photometric study of two eclipsing binaries: V566 Oph and V972 Her
ADS link 2018Ap&SS.363...34S

Designation Gaia DR3 4472890168828541952
RA 269:13:07.012195
DEC 4:59:16.512604
l 31.171829382428758
b 14.403058408723885
G [mag] 7.5528297
G_bp [mag] 7.7808046
G_rp [mag] 7.169539
Parallax 13.455804983572376
Distance [pc] 74.1156
Temperature [K] 6658.054
Surface gravity log(g) [cm/s2] 4.2562
Metallicity [Fe/H] 0.3156
Monochromatic extinction A0 [mag] 0.0003
Radius [R] 1.5720112
Luminosity [L] 3.8974059

Simbad link V566 Oph
J magnitude 6.563
H magnitude 6.399
K magnitude 6.353
Johnson_U magnitude
Johnson_B magnitude 8.03
Johnson_V magnitude 7.58
Johnson_R magnitude
Johnson_I magnitude
Sloan_u magnitude
Sloan_g magnitude
Sloan_r magnitude
Sloan_i magnitude
Sloan_z magnitude

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