RW Com
| Simbad link | RW Com |
|---|---|
| Source publication | Gazeas, K. (2021) - Physical parameters of close binary systems: VIII |
| ADS link | 2021MNRAS.501.2897G |
| Name in Source publication | RW Com |
| Orbital period in days (P [d]) | 0.237348 |
| Mass ratio (q) | 2.09 |
| Mass ratio determination | Spectroscopic |
| Temperature determination | Spectral type |
| Type | W |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? | |
| Search TESS catalog of Eclipsing Binaries | TIC 406732815 |
| Solver | WD |
|---|---|
| Orbital period in days (P [d]) | 0.237348 |
| Mass ratio (q) | 2.09 |
| Orbital inclination in degrees (i [o]) | 71.5 |
| Fillout (f) | 0.03 |
| Primary temperature in Kelvins (T1 [K]) | 4600 |
| Secondary temperature in Kelvins (T2 [K]) | 4360 |
| Primary polar radius in units of orbital separation (r1p) | |
| Secondary polar radius in units of orbital separation (r2p) | |
| Surface potential (Ω) | 5.364 |
| Orbital separation in solar radii (a [R]) | |
|---|---|
| Primary radius in solar units (R1 [R]) | 0.77 |
| Secondary radius in solar units (R2 [R]) | 0.54 |
| Primary mass in solar units (M1 [M]) | 0.84 |
| Secondary mass in solar units (M2 [M]) | 0.4 |
| Primary temperature in kelvins (T1 [K]) | 4600 |
| Secondary temperature in Kelvins (T2 [K]) | 4360 |
| Primary luminosity in solar units (L1 [L]) | 0.19 |
| Secondary luminosity in solar units (L2 [L]) | 0.12 |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) |
| Orbital period in days (P [d]) | 0.237348 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | -0.005236 |
| Cyclic period variation in years (Pc [y]) | 13.3 |
| Period study | Qian, Shengbang (2002) - On the orbital period changes of two W-type overcontact binaries: RW Comae Berenices and CE Leonis. |
| ADS link | 2002A&A...384..908Q |
| Host | Longitude λ [o] | Latitude β [o] | Angular radius σ [o] | Temperature contrast Tspot/Tstar |
|---|---|---|---|---|
| Primary | 27 | 46 | 0.86 |
| Designation | Gaia DR3 3960862618973453312 |
|---|---|
| RA | 188:15:01.996252 |
| DEC | 26:42:57.747058 |
| l | 217.61305385422597 |
| b | 85.87019741900463 |
| G [mag] | 10.997804 |
| G_bp [mag] | 11.451314 |
| G_rp [mag] | 10.361264 |
| Parallax | 9.293882031603664 |
| Distance [pc] | 107.7495 |
| Temperature [K] | 5402.0635 |
| Surface gravity log(g) [cm/s2] | 4.5012 |
| Metallicity [Fe/H] | -0.2083 |
| Monochromatic extinction A0 [mag] | 0.4121 |
| Radius [R] | 0.81148934 |
| Luminosity [L] | 0.3718814 |
| Temperature [K] | 4882.13 |
|---|---|
| Surface gravity log(g) [cm/s2] | 4.368 |
| Metallicity [Fe/H] | -0.655 |
| Simbad link | RW Com |
|---|---|
| J magnitude | 9.795 |
| H magnitude | 9.25 |
| K magnitude | 9.177 |
| Johnson_U magnitude | |
| Johnson_B magnitude | 12.33 |
| Johnson_V magnitude | 11.682 |
| Johnson_R magnitude | 10.929 |
| Johnson_I magnitude | 9.977 |
| Sloan_u magnitude | |
| Sloan_g magnitude | 11.964 |
| Sloan_r magnitude | 11.317 |
| Sloan_i magnitude | 11.009 |
| Sloan_z magnitude |