LZ Leo

Simbad link LZ Leo
Source publication Poro, Atila (2025) - BSN. IV. The First Multiband Light Curve Study of Five W UMa-type Contact Binary Systems
ADS link 2025PASP..137k4203P
Name in Source publication LZ Leo
Orbital period in days (P [d]) 0.29568
Mass ratio (q) 1.66
Mass ratio determination Photometric
Temperature determination Unknown
Type W
Has total eclipse?
Has spots?
Has third light?
Has period variation?

Solver BSN
Orbital period in days (P [d]) 0.29568
Mass ratio (q) 1.66
Orbital inclination in degrees (i [o]) 85.7
Fillout (f) 0.07
Primary temperature in Kelvins (T1 [K]) 5187
Secondary temperature in Kelvins (T2 [K]) 4929
Primary polar radius in units of orbital separation (r1p)
Secondary polar radius in units of orbital separation (r2p)
Surface potential (Ω) 4.731

Orbital separation in solar radii (a [R]) 2.12
Primary radius in solar units (R1 [R]) 0.72
Secondary radius in solar units (R2 [R]) 0.91
Primary mass in solar units (M1 [M]) 0.55
Secondary mass in solar units (M2 [M]) 0.92
Primary temperature in kelvins (T1 [K]) 5187
Secondary temperature in Kelvins (T2 [K]) 4929
Primary luminosity in solar units (L1 [L]) 0.34
Secondary luminosity in solar units (L2 [L]) 0.44
Distance in parsecs (d [pc])
Age in gigayears (τ [gyr])

Orbital period in days (P [d]) 0.29568
Monotonic period variation in seconds per year (dPdt [s/y]) -0.012096
Cyclic period variation in years (Pc [y])

Designation Gaia DR3 615281965260265728
RA 149:20:20.422972
DEC 14:12:15.580367
l 221.63199459606702
b 47.52012584983885
G [mag] 13.297546
G_bp [mag] 13.739002
G_rp [mag] 12.646379
Parallax 2.4807367953691624
Distance [pc]
Temperature [K]
Surface gravity log(g) [cm/s2]
Metallicity [Fe/H]
Monochromatic extinction A0 [mag]
Radius [R]
Luminosity [L]

Simbad link LZ Leo
J magnitude
H magnitude
K magnitude
Johnson_U magnitude
Johnson_B magnitude
Johnson_V magnitude 13.17
Johnson_R magnitude
Johnson_I magnitude
Sloan_u magnitude
Sloan_g magnitude 13.919
Sloan_r magnitude 13.206
Sloan_i magnitude
Sloan_z magnitude

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