RR Cen
| Simbad link | RR Cen |
|---|---|
| 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 | RR Cen |
| Orbital period in days (P [d]) | 0.605691 |
| Mass ratio (q) | 0.21 |
| 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]) | 0.605691 |
| Mass ratio (q) | 0.21 |
| Orbital inclination in degrees (i [o]) | 81 |
| Fillout (f) | 0.43 |
| Primary temperature in Kelvins (T1 [K]) | 6912 |
| Secondary temperature in Kelvins (T2 [K]) | 6891 |
| Primary polar radius in units of orbital separation (r1p) | 0.4972 |
| Secondary polar radius in units of orbital separation (r2p) | 0.2516 |
| Surface potential (Ω) | 2.1994 |
| Orbital separation in solar radii (a [R]) | 3.92 |
|---|---|
| Primary radius in solar units (R1 [R]) | 2.1 |
| Secondary radius in solar units (R2 [R]) | 1.05 |
| Primary mass in solar units (M1 [M]) | 1.82 |
| Secondary mass in solar units (M2 [M]) | 0.38 |
| Primary temperature in kelvins (T1 [K]) | 6912 |
| Secondary temperature in Kelvins (T2 [K]) | 6891 |
| Primary luminosity in solar units (L1 [L]) | 8.89 |
| Secondary luminosity in solar units (L2 [L]) | 2.2 |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) | 2.37 |
| Orbital period in days (P [d]) | 0.605691 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | 0.010454 |
| Cyclic period variation in years (Pc [y]) | 60.1 |
| Designation | Gaia DR2 5891961828913463936 |
|---|---|
| RA | 214:14:16.76904 |
| DEC | -58:08:43.983384 |
| l | 314.1326905 |
| b | 3.145608683 |
| G magnitude | 7.382538 |
| G_bp magnitude | 7.58448 |
| G_rp magnitude | 7.1004057 |
| Radial velocity [km/s] | |
| Parallax | 9.267344967 |
| Distance [pc] | 107.905771 |
| Temperature [K] | 7035 |
| Radius [R] | 2.0749424 |
| Luminosity [L] | 9.500867 |
| Simbad link | RR Cen |
|---|---|
| J magnitude | 6.765 |
| H magnitude | 6.652 |
| K magnitude | 6.574 |
| Johnson_U magnitude | 7.7 |
| Johnson_B magnitude | 7.65 |
| Johnson_V magnitude | 7.29 |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | 7.7 |
| Sloan_g magnitude | 7.3825 |
| Sloan_r magnitude | |
| Sloan_i magnitude | |
| Sloan_z magnitude |