VY Cet
| Simbad link | VY Cet |
|---|---|
| Source publication | Lapasset, E. (1985) - Observaciones fotoelectricas UBV y analisis de binarias eclipsantes de corto período: AU Phoenicis, SY Horologii y VY Ceti. |
| ADS link | 1985RMxAA..10..283L |
| Name in Source publication | VY Cet |
| Orbital period in days (P [d]) | 0.340809 |
| Mass ratio (q) | 0.48 |
| 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]) | 0.340809 |
| Mass ratio (q) | 0.48 |
| Orbital inclination in degrees (i [o]) | 78.8 |
| Fillout (f) | 0 |
| Primary temperature in Kelvins (T1 [K]) | 5372 |
| Secondary temperature in Kelvins (T2 [K]) | 5610 |
| Primary polar radius in units of orbital separation (r1p) | 0.4177 |
| Secondary polar radius in units of orbital separation (r2p) | 0.2966 |
| Surface potential (Ω) | 2.8369 |
| 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]) | 5372 |
| Secondary temperature in Kelvins (T2 [K]) | 5610 |
| Primary luminosity in solar units (L1 [L]) | |
| Secondary luminosity in solar units (L2 [L]) | |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) |
| Orbital period in days (P [d]) | 0.340809 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | 0.036519 |
| Cyclic period variation in years (Pc [y]) | 7.07 |
| Period study | Liakos, Alexios (2014) - The Light-Time Effect in the Eclipsing Binaries GK Cep and VY Cet |
| ADS link | 2014arXiv1404.3124L |
| Designation | Gaia DR2 5139342408807143168 |
|---|---|
| RA | 27:23:25.718208 |
| DEC | -20:22:31.05732 |
| l | 186.6226642 |
| b | -74.71393482 |
| G magnitude | 11.049229 |
| G_bp magnitude | 11.43378 |
| G_rp magnitude | 10.539451 |
| Radial velocity [km/s] | 19.84306735 |
| Parallax | 3.732961735 |
| Distance [pc] | 267.883807 |
| Temperature [K] | 5594 |
| Radius [R] | 1.5281205 |
| Luminosity [L] | 2.0601547 |
| Simbad link | VY Cet |
|---|---|
| J magnitude | 9.974 |
| H magnitude | 9.637 |
| K magnitude | 9.565 |
| Johnson_U magnitude | 10.933 |
| Johnson_B magnitude | 12.09 |
| Johnson_V magnitude | 11.48 |
| Johnson_R magnitude | 11.129 |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 11.633 |
| Sloan_r magnitude | 11.129 |
| Sloan_i magnitude | 10.933 |
| Sloan_z magnitude |