YZ Phe
| Simbad link | YZ Phe |
|---|---|
| Source publication | Sarotsakulchai, Thawicharat (2019) - YZ Phoenicis: a very short period K-type contact binary with variation of the O'Connell effect and orbital period change |
| ADS link | 2019PASJ...71...81S |
| Name in Source publication | YZ Phe |
| Orbital period in days (P [d]) | 0.234727 |
| Mass ratio (q) | 0.38 |
| 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]) | 0.234727 |
| Mass ratio (q) | 0.38 |
| Orbital inclination in degrees (i [o]) | 83.3 |
| Fillout (f) | 0.1 |
| Primary temperature in Kelvins (T1 [K]) | 4658 |
| Secondary temperature in Kelvins (T2 [K]) | 4908 |
| Primary polar radius in units of orbital separation (r1p) | 0.4412 |
| Secondary polar radius in units of orbital separation (r2p) | 0.2829 |
| Surface potential (Ω) | 2.6138 |
| Orbital separation in solar radii (a [R]) | 1.61 |
|---|---|
| Primary radius in solar units (R1 [R]) | 0.76 |
| Secondary radius in solar units (R2 [R]) | 0.49 |
| Primary mass in solar units (M1 [M]) | 0.74 |
| Secondary mass in solar units (M2 [M]) | 0.28 |
| Primary temperature in kelvins (T1 [K]) | 4658 |
| Secondary temperature in Kelvins (T2 [K]) | 4908 |
| Primary luminosity in solar units (L1 [L]) | 0.24 |
| Secondary luminosity in solar units (L2 [L]) | 0.12 |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) | 10.89 |
| Orbital period in days (P [d]) | 0.234727 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | -0.002281 |
| Cyclic period variation in years (Pc [y]) |
| Designation | Gaia DR2 4955123908498793984 |
|---|---|
| RA | 25:36:28.145016 |
| DEC | -46:02:55.964616 |
| l | 278.0274754 |
| b | -68.63314508 |
| G magnitude | 12.59029 |
| G_bp magnitude | 13.131252 |
| G_rp magnitude | 11.901005 |
| Radial velocity [km/s] | |
| Parallax | 4.908405621 |
| Distance [pc] | 203.732144 |
| Temperature [K] | 4908.3335 |
| Radius [R] | 0.7830884 |
| Luminosity [L] | 0.32066572 |
| Simbad link | YZ Phe |
|---|---|
| J magnitude | 11.321 |
| H magnitude | 10.765 |
| K magnitude | 10.708 |
| Johnson_U magnitude | |
| Johnson_B magnitude | |
| Johnson_V magnitude | 12.56 |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 12.5903 |
| Sloan_r magnitude | |
| Sloan_i magnitude | |
| Sloan_z magnitude |