QX And
| Simbad link | QX And |
|---|---|
| Source publication | Djurašević, G. (2011) - Physical parameters of close binaries QX Andromedae, RW Comae Berenices, MR Delphini, and BD +079° 3142 |
| ADS link | 2011A&A...525A..66D |
| Name in Source publication | QX And |
| Orbital period in days (P [d]) | 0.412172 |
| Mass ratio (q) | 0.31 |
| Mass ratio determination | Spectroscopic |
| Type | A |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? |
| Solver | DC |
|---|---|
| Orbital period in days (P [d]) | 0.412172 |
| Mass ratio (q) | 0.31 |
| Orbital inclination in degrees (i [o]) | 54.6 |
| Fillout (f) | 0.36 |
| Primary temperature in Kelvins (T1 [K]) | 6440 |
| Secondary temperature in Kelvins (T2 [K]) | 6420 |
| Primary polar radius in units of orbital separation (r1p) | 0.4688 |
| Secondary polar radius in units of orbital separation (r2p) | 0.2783 |
| Surface potential (Ω) | 2.41 |
| Orbital separation in solar radii (a [R]) | 2.89 |
|---|---|
| Primary radius in solar units (R1 [R]) | 1.46 |
| Secondary radius in solar units (R2 [R]) | 0.88 |
| Primary mass in solar units (M1 [M]) | 1.47 |
| Secondary mass in solar units (M2 [M]) | 0.45 |
| Primary temperature in kelvins (T1 [K]) | 6440 |
| Secondary temperature in Kelvins (T2 [K]) | 6420 |
| Primary luminosity in solar units (L1 [L]) | 3.16 |
| Secondary luminosity in solar units (L2 [L]) | 1.14 |
| Distance in parsecs (d [pc]) | 416 |
| Age in gigayears (τ [gyr]) | 4.18 |
| Orbital period in days (P [d]) | 0.412172 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | 0.023328 |
| Cyclic period variation in years (Pc [y]) | |
| Period study | Ren, A. B. (2011) - CCD Photometry of the W UMa type star QX Andromeda |
| ADS link | 2011NewA...16..194R |
| Designation | Gaia DR2 342870640854339200 |
|---|---|
| RA | 29:29:26.912364 |
| DEC | 37:48:22.268556 |
| l | 137.1765372 |
| b | -23.21851083 |
| G magnitude | 11.292908 |
| G_bp magnitude | 11.568858 |
| G_rp magnitude | 10.9002 |
| Radial velocity [km/s] | 47.1744297 |
| Parallax | 2.237575352 |
| Distance [pc] | 446.912324 |
| Temperature [K] | 6224.1504 |
| Radius [R] | 1.812568 |
| Luminosity [L] | 4.4422565 |
| Orbital period [d] | 0.4121753 |
|---|---|
| Temperature [K] | 6501.66 |
| Surface gravity (log(g)) | 4.174 |
| Metallicity ([Fe/H]) | -0.066 |
| Simbad link | QX And |
|---|---|
| J magnitude | 10.393 |
| H magnitude | 10.225 |
| K magnitude | 10.163 |
| Johnson_U magnitude | |
| Johnson_B magnitude | 11.91 |
| Johnson_V magnitude | 11.43 |
| Johnson_R magnitude | 11.23 |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 11.2929 |
| Sloan_r magnitude | 11.23 |
| Sloan_i magnitude | |
| Sloan_z magnitude |