TYC 3836-0854-1

Simbad link TYC 3836-0854-1
Source publication Acerbi, F. (2014) - First multi-color photometric study and preliminary elements for the low-mass ratio, possible progenitors of merging stars, W UMa systems TYC 3836-0854-1 and TYC 4157-0683-1
ADS link 2014NewA...31....1A
Name in Source publication TYC 3836-0854-1
Orbital period in days (P [d]) 0.415559
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]) 0.415559
Mass ratio (q) 0.21
Orbital inclination in degrees (i [o]) 78.6
Fillout (f) 0.59
Primary temperature in Kelvins (T1 [K]) 6200
Secondary temperature in Kelvins (T2 [K]) 6186
Primary polar radius in units of orbital separation (r1p) 0.5036
Secondary polar radius in units of orbital separation (r2p) 0.2561
Surface potential (Ω) 2.1693

Orbital separation in solar radii (a [R]) 2.78
Primary radius in solar units (R1 [R]) 1.5
Secondary radius in solar units (R2 [R]) 0.76
Primary mass in solar units (M1 [M]) 1.38
Secondary mass in solar units (M2 [M]) 0.28
Primary temperature in kelvins (T1 [K]) 6200
Secondary temperature in Kelvins (T2 [K]) 6186
Primary luminosity in solar units (L1 [L]) 3.15
Secondary luminosity in solar units (L2 [L]) 1.3
Distance in parsecs (d [pc])
Age in gigayears (τ [gyr]) 3.08

Orbital period in days (P [d]) 0.415559
Monotonic period variation in seconds per year (dPdt [s/y]) 0.095904
Cyclic period variation in years (Pc [y])
Period study Liao, W. -P. (2017) - TYC 1337-1137-1 and TYC 3836-0854-1: Two Low-mass Ratio, Deep Overcontact Systems Near the End Evolutionary Stage of Contact Binaries
ADS link 2017PASP..129l4204L

Designation Gaia DR2 1575432933756377472
RA 181:34:56.12808
DEC 57:10:35.365692
l 134.7750498
b 58.90251645
G magnitude 10.01924
G_bp magnitude 10.250706
G_rp magnitude 9.619472
Radial velocity [km/s]
Parallax 4.099556619
Distance [pc] 0.243929
Temperature [K] 6610.75
Radius [R] 1.5738534
Luminosity [L] 4.262125

Simbad link TYC 3836-0854-1
J magnitude 9.388
H magnitude 9.153
K magnitude 9.131
Johnson_U magnitude
Johnson_B magnitude 10.54
Johnson_V magnitude 10.047
Johnson_R magnitude
Johnson_I magnitude
Sloan_u magnitude
Sloan_g magnitude 10.0192
Sloan_r magnitude
Sloan_i magnitude
Sloan_z magnitude

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