QR Com
| Simbad link | QR Com |
|---|---|
| Source publication | Wang, Shuang (2022) - Photometric and Spectroscopic Studies for Two Magnetic-activity Contact Binaries: V724 And and QR Com |
| ADS link | 2022RAA....22k5004W |
| Name in Source publication | QR Com |
| Orbital period in days (P [d]) | 0.427868 |
| Mass ratio (q) | 0.62 |
| Mass ratio determination | Photometric |
| Temperature determination | Unknown |
| Type | A |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? | |
| Search TESS catalog of Eclipsing Binaries | TIC 199497213 |
| Solver | WD |
|---|---|
| Orbital period in days (P [d]) | 0.427868 |
| Mass ratio (q) | 0.62 |
| Orbital inclination in degrees (i [o]) | 58.4 |
| Fillout (f) | 0.1 |
| Primary temperature in Kelvins (T1 [K]) | 6307 |
| Secondary temperature in Kelvins (T2 [K]) | 6347 |
| Primary polar radius in units of orbital separation (r1p) | |
| Secondary polar radius in units of orbital separation (r2p) | |
| Surface potential (Ω) | 3.0691 |
| Orbital separation in solar radii (a [R]) | 3.11 |
|---|---|
| Primary radius in solar units (R1 [R]) | 1.34 |
| Secondary radius in solar units (R2 [R]) | 1.08 |
| Primary mass in solar units (M1 [M]) | 1.36 |
| Secondary mass in solar units (M2 [M]) | 0.85 |
| Primary temperature in kelvins (T1 [K]) | 6307 |
| Secondary temperature in Kelvins (T2 [K]) | 6347 |
| Primary luminosity in solar units (L1 [L]) | 2.53 |
| Secondary luminosity in solar units (L2 [L]) | 1.24 |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) |
| Orbital period in days (P [d]) | 0.427868 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | -0.034387 |
| Cyclic period variation in years (Pc [y]) |
| Designation | Gaia DR3 3943502773480303744 |
|---|---|
| RA | 198:45:17.887935 |
| DEC | 21:13:53.453143 |
| l | 346.54663207911216 |
| b | 82.02179904628075 |
| G [mag] | 8.933534 |
| G_bp [mag] | 9.188526 |
| G_rp [mag] | 8.505158 |
| Parallax | 7.030568388810417 |
| Distance [pc] | 141.5593 |
| Temperature [K] | 6157.452 |
| Surface gravity log(g) [cm/s2] | 3.9973 |
| Metallicity [Fe/H] | -0.1841 |
| Monochromatic extinction A0 [mag] | 0.0011 |
| Radius [R] | |
| Luminosity [L] |
| Simbad link | QR Com |
|---|---|
| J magnitude | 8.151 |
| H magnitude | 7.97 |
| K magnitude | 7.909 |
| Johnson_U magnitude | |
| Johnson_B magnitude | 9.54 |
| Johnson_V magnitude | 9.073 |
| Johnson_R magnitude | |
| Johnson_I magnitude | 8.443 |
| Sloan_u magnitude | |
| Sloan_g magnitude | |
| Sloan_r magnitude | |
| Sloan_i magnitude | |
| Sloan_z magnitude |