NSVS 2569022

Simbad link NSVS 2569022
Source publication Kjurkchieva, Diana P. (2018) - NSVS 2569022: a peculiar binary among W UMa stars with extremely small mass ratios
ADS link 2018RAA....18..129K
Name in Source publication NSVS 2569022
Orbital period in days (P [d]) 0.287797
Mass ratio (q) 0.08
Mass ratio determination Photometric
Type A
Has total eclipse?
Has spots?
Has third light?
Has period variation?

Solver PHOEBE
Orbital period in days (P [d]) 0.287797
Mass ratio (q) 0.08
Orbital inclination in degrees (i [o]) 76.3
Fillout (f) 0.01
Primary temperature in Kelvins (T1 [K]) 6100
Secondary temperature in Kelvins (T2 [K]) 6100
Primary polar radius in units of orbital separation (r1p) 0.5497
Secondary polar radius in units of orbital separation (r2p) 0.1761
Surface potential (Ω) 1.8873

Orbital separation in solar radii (a [R]) 1.98
Primary radius in solar units (R1 [R]) 1.19
Secondary radius in solar units (R2 [R]) 0.38
Primary mass in solar units (M1 [M]) 1.17
Secondary mass in solar units (M2 [M]) 0.09
Primary temperature in kelvins (T1 [K]) 6100
Secondary temperature in Kelvins (T2 [K]) 6100
Primary luminosity in solar units (L1 [L]) 1.73
Secondary luminosity in solar units (L2 [L]) 0.17
Distance in parsecs (d [pc])
Age in gigayears (τ [gyr]) 9.2

Simbad link NSVS 2569022
J magnitude 9.255
H magnitude 8.918
K magnitude 8.838
Johnson_U magnitude
Johnson_B magnitude 10.88
Johnson_V magnitude 10.28
Johnson_R magnitude
Johnson_I magnitude
Sloan_u magnitude
Sloan_g magnitude 10.1784
Sloan_r magnitude
Sloan_i magnitude
Sloan_z magnitude

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