SY Hor
| Simbad link | SY Hor |
|---|---|
| Source publication | Yıldırım, Muhammed Faruk (2017) - Photometric study of a marginal contact binary SY Hor |
| ADS link | 2017AIPC.1815h0026Y |
| Name in Source publication | SY Hor |
| Orbital period in days (P [d]) | 0.311638 |
| Mass ratio (q) | 0.63 |
| Mass ratio determination | Photometric |
| Temperature determination | Unknown |
| Type | W |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? |
| Solver | WD |
|---|---|
| Orbital period in days (P [d]) | 0.311638 |
| Mass ratio (q) | 0.63 |
| Orbital inclination in degrees (i [o]) | 81.8 |
| Fillout (f) | 0.05 |
| Primary temperature in Kelvins (T1 [K]) | 4923 |
| Secondary temperature in Kelvins (T2 [K]) | 5240 |
| Primary polar radius in units of orbital separation (r1p) | 0.398 |
| Secondary polar radius in units of orbital separation (r2p) | 0.3211 |
| Surface potential (Ω) | 3.0966 |
| Orbital separation in solar radii (a [R]) | |
|---|---|
| Primary radius in solar units (R1 [R]) | |
| Secondary radius in solar units (R2 [R]) | |
| Primary mass in solar units (M1 [M]) | |
| Secondary mass in solar units (M2 [M]) | |
| Primary temperature in kelvins (T1 [K]) | 4923 |
| Secondary temperature in Kelvins (T2 [K]) | 5240 |
| Primary luminosity in solar units (L1 [L]) | |
| Secondary luminosity in solar units (L2 [L]) | |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) |
| Designation | Gaia DR2 4837289900184985728 |
|---|---|
| RA | 63:34:36.258852 |
| DEC | -47:33:03.530736 |
| l | 252.8444047 |
| b | -45.9494552 |
| G [mag] | 11.359056 |
| G_bp [mag] | 11.751806 |
| G_rp [mag] | 10.7192335 |
| Parallax | 5.442323514 |
| Distance [pc] | 1.12E-09 |
| Temperature [K] | 5144.0938 |
| Surface gravity log(g) [cm/s2] | |
| Metallicity [Fe/H] | |
| Monochromatic extinction A0 [mag] | |
| Radius [R] | 1.1060388 |
| Luminosity [L] | 0.77173996 |
| Simbad link | SY Hor |
|---|---|
| J magnitude | 9.745 |
| H magnitude | 9.358 |
| K magnitude | 9.243 |
| Johnson_U magnitude | 10.906 |
| Johnson_B magnitude | 11.96 |
| Johnson_V magnitude | 11.36 |
| Johnson_R magnitude | 11.141 |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 11.785 |
| Sloan_r magnitude | 11.141 |
| Sloan_i magnitude | 10.906 |
| Sloan_z magnitude |