PZ UMa

Simbad link PZ UMa
Source publication Zhou, Xiao (2019) - The W-subtype active contact binary PZ UMa with a possible more massive tertiary component
ADS link 2019PASJ...71...39Z
Name in Source publication PZ UMa
Orbital period in days (P [d]) 0.262675
Mass ratio (q) 0.18
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]) 0.262675
Mass ratio (q) 0.18
Orbital inclination in degrees (i [o]) 74.8
Fillout (f) 0.4
Primary temperature in Kelvins (T1 [K]) 4972
Secondary temperature in Kelvins (T2 [K]) 5430
Primary polar radius in units of orbital separation (r1p) 0.5069
Secondary polar radius in units of orbital separation (r2p) 0.2379
Surface potential (Ω) 2.1317

Orbital separation in solar radii (a [R]) 1.67
Primary radius in solar units (R1 [R]) 0.92
Secondary radius in solar units (R2 [R]) 0.43
Primary mass in solar units (M1 [M]) 0.77
Secondary mass in solar units (M2 [M]) 0.14
Primary temperature in kelvins (T1 [K]) 4972
Secondary temperature in Kelvins (T2 [K]) 5430
Primary luminosity in solar units (L1 [L]) 0.46
Secondary luminosity in solar units (L2 [L]) 0.15
Distance in parsecs (d [pc])
Age in gigayears (τ [gyr]) 8.76

Orbital period in days (P [d]) 0.262675
Monotonic period variation in seconds per year (dPdt [s/y])
Cyclic period variation in years (Pc [y]) 13.22

Designation Gaia DR2 1018042012342622592
RA 142:16:45.8508
DEC 49:51:23.179212
l 168.185082
b 45.47283254
G magnitude 12.589161
G_bp magnitude 12.988021
G_rp magnitude 12.06082
Radial velocity [km/s]
Parallax 3.086380243
Distance [pc] 0.324004
Temperature [K] 5429.85
Radius [R] 0.97320503
Luminosity [L] 0.7417452

Simbad link PZ UMa
J magnitude 11.421
H magnitude 11.024
K magnitude 10.966
Johnson_U magnitude
Johnson_B magnitude 12.5
Johnson_V magnitude 12.71
Johnson_R magnitude
Johnson_I magnitude
Sloan_u magnitude
Sloan_g magnitude 12.5892
Sloan_r magnitude
Sloan_i magnitude
Sloan_z magnitude

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