GU Ori
| Simbad link | GU Ori |
|---|---|
| Source publication | Yang, Yuangui (2017) - Photometric studies for two contact binaries: V532 Monocerotis and GU Orionis |
| ADS link | 2017PASJ...69...69Y |
| Name in Source publication | GU Ori |
| Orbital period in days (P [d]) | 0.470677 |
| Mass ratio (q) | 0.46 |
| Mass ratio determination | Photometric |
| Type | W |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? |
| Solver | WD |
|---|---|
| Orbital period in days (P [d]) | 0.470677 |
| Mass ratio (q) | 0.46 |
| Orbital inclination in degrees (i [o]) | 86.1 |
| Fillout (f) | 0.27 |
| Primary temperature in Kelvins (T1 [K]) | 5940 |
| Secondary temperature in Kelvins (T2 [K]) | 6003 |
| Primary polar radius in units of orbital separation (r1p) | 0.4353 |
| Secondary polar radius in units of orbital separation (r2p) | 0.3062 |
| Surface potential (Ω) | 2.7146 |
| Orbital separation in solar radii (a [R]) | 2.93 |
|---|---|
| Primary radius in solar units (R1 [R]) | 1.36 |
| Secondary radius in solar units (R2 [R]) | 0.97 |
| Primary mass in solar units (M1 [M]) | 1.05 |
| Secondary mass in solar units (M2 [M]) | 0.47 |
| Primary temperature in kelvins (T1 [K]) | 5940 |
| Secondary temperature in Kelvins (T2 [K]) | 6003 |
| Primary luminosity in solar units (L1 [L]) | 2.07 |
| Secondary luminosity in solar units (L2 [L]) | 1.09 |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) | 3.18 |
| Orbital period in days (P [d]) | 0.470677 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | 0.012528 |
| Cyclic period variation in years (Pc [y]) |
| Designation | Gaia DR2 3344023676532540032 |
|---|---|
| RA | 92:31:09.320268 |
| DEC | 12:49:46.483104 |
| l | 196.8006411 |
| b | -3.124534811 |
| G magnitude | 12.518128 |
| G_bp magnitude | 12.864307 |
| G_rp magnitude | 12.02416 |
| Radial velocity [km/s] | |
| Parallax | 1.563348157 |
| Distance [pc] | 639.652783 |
| Temperature [K] | 5760.25 |
| Radius [R] | 1.7387884 |
| Luminosity [L] | 2.9988413 |
| Orbital period [d] | 0.4706769 |
|---|---|
| Temperature [K] | 6046.33 |
| Surface gravity (log(g)) | 4.104 |
| Metallicity ([Fe/H]) | 0.311 |
| Simbad link | GU Ori |
|---|---|
| J magnitude | 11.248 |
| H magnitude | 10.969 |
| K magnitude | 10.889 |
| Johnson_U magnitude | |
| Johnson_B magnitude | |
| Johnson_V magnitude | |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 12.5181 |
| Sloan_r magnitude | |
| Sloan_i magnitude | |
| Sloan_z magnitude |