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] | 243.928818 |
| 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 |