HH UMa

Simbad link HH UMa
Source publication Yılmaz, M. (2015) - The absolute parameters of two W UMa type binaries in Ursa Majoris
ADS link 2015NewA...34..271Y
Name in Source publication HH UMa
Orbital period in days (P [d]) 0.375494
Mass ratio (q) 0.29
Mass ratio determination Spectroscopic
Temperature determination Unknown
Type A
Has total eclipse?
Has spots?
Has third light?
Has period variation?

Solver WD
Orbital period in days (P [d]) 0.375494
Mass ratio (q) 0.29
Orbital inclination in degrees (i [o]) 52.4
Fillout (f) 0.41
Primary temperature in Kelvins (T1 [K]) 6550
Secondary temperature in Kelvins (T2 [K]) 6297
Primary polar radius in units of orbital separation (r1p) 0.4734
Secondary polar radius in units of orbital separation (r2p) 0.2775
Surface potential (Ω) 2.379

Orbital separation in solar radii (a [R]) 2.58
Primary radius in solar units (R1 [R]) 1.32
Secondary radius in solar units (R2 [R]) 0.78
Primary mass in solar units (M1 [M]) 1.25
Secondary mass in solar units (M2 [M]) 0.37
Primary temperature in kelvins (T1 [K]) 6550
Secondary temperature in Kelvins (T2 [K]) 6297
Primary luminosity in solar units (L1 [L]) 3.03
Secondary luminosity in solar units (L2 [L]) 0.86
Distance in parsecs (d [pc])
Age in gigayears (τ [gyr]) 4.62

Designation Gaia DR2 762042921909228288
RA 166:12:02.49696
DEC 35:36:26.583264
l 185.8083433
b 65.80398831
G [mag] 10.589065
G_bp [mag] 10.883561
G_rp [mag] 10.16714
Parallax 3.674520439
Distance [pc] 1.88E-09
Temperature [K] 5954.34
Surface gravity log(g) [cm/s2]
Metallicity [Fe/H]
Monochromatic extinction A0 [mag]
Radius [R] 1.6746516
Luminosity [L] 3.175983

Simbad link HH UMa
J magnitude 9.592
H magnitude 9.342
K magnitude 9.294
Johnson_U magnitude
Johnson_B magnitude 10.92
Johnson_V magnitude 10.39
Johnson_R magnitude
Johnson_I magnitude
Sloan_u magnitude
Sloan_g magnitude 10.5891
Sloan_r magnitude
Sloan_i magnitude
Sloan_z magnitude

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