V2790 Ori

Simbad link V2790 Ori
Source publication Kriwattanawong, Wichean (2019) - Photometric analysis and evolutionary stages of the contact binary V2790 Ori
ADS link 2019RAA....19..143K
Name in Source publication V2790 Ori
Orbital period in days (P [d]) 0.287842
Mass ratio (q) 0.34
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]) 0.287842
Mass ratio (q) 0.34
Orbital inclination in degrees (i [o]) 85.1
Fillout (f) 0.21
Primary temperature in Kelvins (T1 [K]) 5644
Secondary temperature in Kelvins (T2 [K]) 5856
Primary polar radius in units of orbital separation (r1p) 0.4544
Secondary polar radius in units of orbital separation (r2p) 0.2798
Surface potential (Ω) 2.5113

Orbital separation in solar radii (a [R]) 2.04
Primary radius in solar units (R1 [R]) 0.99
Secondary radius in solar units (R2 [R]) 0.61
Primary mass in solar units (M1 [M]) 1.02
Secondary mass in solar units (M2 [M]) 0.35
Primary temperature in kelvins (T1 [K]) 5644
Secondary temperature in Kelvins (T2 [K]) 5856
Primary luminosity in solar units (L1 [L]) 0.89
Secondary luminosity in solar units (L2 [L]) 0.4
Distance in parsecs (d [pc])
Age in gigayears (τ [gyr]) 6.17

Orbital period in days (P [d]) 0.287842
Monotonic period variation in seconds per year (dPdt [s/y]) 0.008899
Cyclic period variation in years (Pc [y])

Designation Gaia DR2 3374103973908764032
RA 93:52:50.93004
DEC 19:35:21.6078
l 191.4920001
b 1.261893972
G magnitude 11.292522
G_bp magnitude 11.582927
G_rp magnitude 10.642232
Radial velocity [km/s] -19.3529559
Parallax 6.133200751
Distance [pc] 0.163047
Temperature [K] 5500
Radius [R] 0.86397606
Luminosity [L] 0.6153878

Simbad link V2790 Ori
J magnitude 9.947
H magnitude 9.576
K magnitude 9.487
Johnson_U magnitude
Johnson_B magnitude 11.65
Johnson_V magnitude 11.12
Johnson_R magnitude
Johnson_I magnitude
Sloan_u magnitude
Sloan_g magnitude 11.2925
Sloan_r magnitude
Sloan_i magnitude
Sloan_z magnitude

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