TY UMa

Simbad link TY UMa
Source publication Li, K. (2015) - The Active Contact Binary Ty UMa Revisited: is It a Quadruple Star?
ADS link 2015AJ....149..120L
Name in Source publication TY UMa
Orbital period in days (P [d]) 0.354548
Mass ratio (q) 0.4
Mass ratio determination Spectroscopic
Type W
Has total eclipse?
Has spots?
Has third light?
Has period variation?

Solver WD
Orbital period in days (P [d]) 0.354548
Mass ratio (q) 0.4
Orbital inclination in degrees (i [o]) 84.9
Fillout (f) 0.13
Primary temperature in Kelvins (T1 [K]) 6229
Secondary temperature in Kelvins (T2 [K]) 6250
Primary polar radius in units of orbital separation (r1p) 0.4394
Secondary polar radius in units of orbital separation (r2p) 0.2881
Surface potential (Ω) 2.6386

Orbital separation in solar radii (a [R]) 2.74
Primary radius in solar units (R1 [R]) 1.29
Secondary radius in solar units (R2 [R]) 0.85
Primary mass in solar units (M1 [M]) 1.57
Secondary mass in solar units (M2 [M]) 0.62
Primary temperature in kelvins (T1 [K]) 6229
Secondary temperature in Kelvins (T2 [K]) 6250
Primary luminosity in solar units (L1 [L]) 0.99
Secondary luminosity in solar units (L2 [L]) 0.63
Distance in parsecs (d [pc])
Age in gigayears (τ [gyr]) 4.52

Orbital period in days (P [d]) 0.354548
Monotonic period variation in seconds per year (dPdt [s/y]) 0.044755
Cyclic period variation in years (Pc [y]) 51.7

Designation Gaia DR2 1573684680204473600
RA 182:15:35.30232
DEC 56:01:54.37434
l 134.8325438
b 60.10608469
G magnitude 11.562933
G_bp magnitude 11.8431635
G_rp magnitude 11.044905
Radial velocity [km/s]
Parallax 3.287128675
Distance [pc] 304.216871
Temperature [K] 5812.1
Radius [R] 1.259107
Luminosity [L] 1.6298676

Orbital period [d] 0.354538609
Temperature [K] 5840.54
Surface gravity (log(g)) 4.078
Metallicity ([Fe/H]) -0.117

Simbad link TY UMa
J magnitude 10.652
H magnitude 10.382
K magnitude 10.283
Johnson_U magnitude
Johnson_B magnitude 12.42
Johnson_V magnitude 11.59
Johnson_R magnitude
Johnson_I magnitude
Sloan_u magnitude
Sloan_g magnitude 11.5629
Sloan_r magnitude
Sloan_i magnitude
Sloan_z magnitude

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