eps CrA
| Simbad link | eps CrA |
|---|---|
| Source publication | Yang, Yuan-Gui (2005) - Photometric Investigations of Three Short-Period Binary Systems: GSC 0763-0572, RR Centauri, and ∊ Coronae Australis |
| ADS link | 2005PASJ...57..983Y |
| Name in Source publication | eps CrA |
| Orbital period in days (P [d]) | 0.59143 |
| Mass ratio (q) | 0.13 |
| Mass ratio determination | Spectroscopic |
| Type | A |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? |
| Solver | WD |
|---|---|
| Orbital period in days (P [d]) | 0.59143 |
| Mass ratio (q) | 0.13 |
| Orbital inclination in degrees (i [o]) | 74 |
| Fillout (f) | 0.27 |
| Primary temperature in Kelvins (T1 [K]) | 6678 |
| Secondary temperature in Kelvins (T2 [K]) | 6341 |
| Primary polar radius in units of orbital separation (r1p) | 0.5246 |
| Secondary polar radius in units of orbital separation (r2p) | 0.2115 |
| Surface potential (Ω) | 2.0197 |
| Orbital separation in solar radii (a [R]) | 3.69 |
|---|---|
| Primary radius in solar units (R1 [R]) | 2.1 |
| Secondary radius in solar units (R2 [R]) | 0.85 |
| Primary mass in solar units (M1 [M]) | 1.7 |
| Secondary mass in solar units (M2 [M]) | 0.23 |
| Primary temperature in kelvins (T1 [K]) | 6678 |
| Secondary temperature in Kelvins (T2 [K]) | 6341 |
| Primary luminosity in solar units (L1 [L]) | 7.75 |
| Secondary luminosity in solar units (L2 [L]) | 1.02 |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) | 3.42 |
| Orbital period in days (P [d]) | 0.59143 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | 0.040349 |
| Cyclic period variation in years (Pc [y]) |
| Designation | Gaia DR2 6730853810342681472 |
|---|---|
| RA | 284:40:48.19116 |
| DEC | -38:53:32.096904 |
| l | 359.5419147 |
| b | -17.3165903 |
| G magnitude | 4.966977 |
| G_bp magnitude | 5.0713735 |
| G_rp magnitude | 4.533446 |
| Radial velocity [km/s] | |
| Parallax | 32.08874565 |
| Distance [pc] | 31.163574 |
| Temperature [K] | 6876 |
| Radius [R] | 1.9055321 |
| Luminosity [L] | 7.312582 |
| Simbad link | eps CrA |
|---|---|
| J magnitude | 4.05 |
| H magnitude | 3.79 |
| K magnitude | 3.88 |
| Johnson_U magnitude | |
| Johnson_B magnitude | 5.19 |
| Johnson_V magnitude | 4.83 |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 4.967 |
| Sloan_r magnitude | |
| Sloan_i magnitude | |
| Sloan_z magnitude |