EM Psc
| Simbad link | EM Psc |
|---|---|
| Source publication | Qian, S. -B. (2008) - High Fill-Out, Extreme Mass Ratio Overcontact Binary Systems. VIII. EM Piscium |
| ADS link | 2008AJ....136.1940Q |
| Name in Source publication | GSC 0619-0232 |
| Orbital period in days (P [d]) | 0.343959 |
| Mass ratio (q) | 0.15 |
| 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]) | 0.343959 |
| Mass ratio (q) | 0.15 |
| Orbital inclination in degrees (i [o]) | 88.6 |
| Fillout (f) | 0.95 |
| Primary temperature in Kelvins (T1 [K]) | 5300 |
| Secondary temperature in Kelvins (T2 [K]) | 4987 |
| Primary polar radius in units of orbital separation (r1p) | 0.5328 |
| Secondary polar radius in units of orbital separation (r2p) | 0.2434 |
| Surface potential (Ω) | 2.0081 |
| 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]) | 5300 |
| Secondary temperature in Kelvins (T2 [K]) | 4987 |
| 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]) | 0.343959 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | 0.343008 |
| Cyclic period variation in years (Pc [y]) | 3.3 |
| Designation | Gaia DR2 2589993789205323136 |
|---|---|
| RA | 19:42:07.943904 |
| DEC | 13:21:07.621236 |
| l | 133.1048734 |
| b | -48.97824117 |
| G magnitude | 13.485617 |
| G_bp magnitude | 13.935623 |
| G_rp magnitude | 12.887637 |
| Radial velocity [km/s] | |
| Parallax | 1.533464636 |
| Distance [pc] | 652.118071 |
| Temperature [K] | 5086 |
| Radius [R] | 1.5161984 |
| Luminosity [L] | 1.3858372 |
| Orbital period [d] | 0.34396 |
|---|---|
| Temperature [K] | 5726.81 |
| Surface gravity (log(g)) | 4.16 |
| Metallicity ([Fe/H]) | 0.462 |
| Simbad link | EM Psc |
|---|---|
| J magnitude | 12.276 |
| H magnitude | 11.846 |
| K magnitude | 11.709 |
| Johnson_U magnitude | |
| Johnson_B magnitude | 14.3 |
| Johnson_V magnitude | 13.33 |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 13.4856 |
| Sloan_r magnitude | |
| Sloan_i magnitude | |
| Sloan_z magnitude |