UY UMa

Simbad link UY UMa
Source publication Kim, Chun-Hwey (2019) - UY Ursae Majoris: An A-Subtype W UMa System with a Very Large Fill-Out Factor and an Extreme Mass Ratio
ADS link 2019JASS...36..265K
Name in Source publication UY UMa
Orbital period in days (P [d]) 0.376022
Mass ratio (q) 0.21
Mass ratio determination Photometric
Type A
Has total eclipse?
Has spots?
Has third light?
Has period variation?

Solver WD
Orbital period in days (P [d]) 0.376022
Mass ratio (q) 0.21
Orbital inclination in degrees (i [o]) 81.3
Fillout (f) 0.61
Primary temperature in Kelvins (T1 [K]) 5900
Secondary temperature in Kelvins (T2 [K]) 5882
Primary polar radius in units of orbital separation (r1p) 0.5042
Secondary polar radius in units of orbital separation (r2p) 0.2565
Surface potential (Ω) 2.167

Orbital separation in solar radii (a [R]) 2.44
Primary radius in solar units (R1 [R]) 1.34
Secondary radius in solar units (R2 [R]) 0.7
Primary mass in solar units (M1 [M]) 1.15
Secondary mass in solar units (M2 [M]) 0.24
Primary temperature in kelvins (T1 [K]) 5900
Secondary temperature in Kelvins (T2 [K]) 5882
Primary luminosity in solar units (L1 [L]) 1.95
Secondary luminosity in solar units (L2 [L]) 0.52
Distance in parsecs (d [pc]) 745
Age in gigayears (τ [gyr]) 5.5

Designation Gaia DR2 1562252095738259968
RA 206:09:12.49344
DEC 55:13:18.324192
l 107.5840866
b 60.29366426
G magnitude 12.7388935
G_bp magnitude 12.988856
G_rp magnitude 12.365519
Radial velocity [km/s]
Parallax 1.31893927
Distance [pc] 758.185022
Temperature [K] 6569.55
Radius [R] 1.4157207
Luminosity [L] 3.363507

Simbad link UY UMa
J magnitude 11.824
H magnitude 11.614
K magnitude 11.585
Johnson_U magnitude
Johnson_B magnitude
Johnson_V magnitude 12.9
Johnson_R magnitude
Johnson_I magnitude
Sloan_u magnitude
Sloan_g magnitude 12.7389
Sloan_r magnitude
Sloan_i magnitude
Sloan_z magnitude

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