HV Aqr
| Simbad link | HV Aqr |
|---|---|
| Source publication | Gazeas, K. (2021) - Physical parameters of close binary systems: VIII |
| ADS link | 2021MNRAS.501.2897G |
| Name in Source publication | HV Aqr |
| Orbital period in days (P [d]) | 0.374457 |
| Mass ratio (q) | 0.14 |
| Mass ratio determination | Spectroscopic |
| Temperature determination | Spectral type |
| Type | A |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? | |
| Search TESS catalog of Eclipsing Binaries | TIC 250203533 |
| Solver | WD |
|---|---|
| Orbital period in days (P [d]) | 0.374457 |
| Mass ratio (q) | 0.14 |
| Orbital inclination in degrees (i [o]) | 78.5 |
| Fillout (f) | 0.74 |
| Primary temperature in Kelvins (T1 [K]) | 6460 |
| Secondary temperature in Kelvins (T2 [K]) | 6655 |
| Primary polar radius in units of orbital separation (r1p) | |
| Secondary polar radius in units of orbital separation (r2p) | |
| Surface potential (Ω) | 2.01 |
| Orbital separation in solar radii (a [R]) | |
|---|---|
| Primary radius in solar units (R1 [R]) | 1.46 |
| Secondary radius in solar units (R2 [R]) | 0.6 |
| Primary mass in solar units (M1 [M]) | 1.24 |
| Secondary mass in solar units (M2 [M]) | 0.19 |
| Primary temperature in kelvins (T1 [K]) | 6460 |
| Secondary temperature in Kelvins (T2 [K]) | 6655 |
| Primary luminosity in solar units (L1 [L]) | 3.33 |
| Secondary luminosity in solar units (L2 [L]) | 0.64 |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) |
| Orbital period in days (P [d]) | 0.374457 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | 0.007638 |
| Cyclic period variation in years (Pc [y]) | |
| Period study | Li, K. (2013) - Multiple color light curves and period changes investigation of the contact binary HV Aqr |
| ADS link | 2013NewA...21...46L |
| Host | Longitude λ [o] | Latitude β [o] | Angular radius σ [o] | Temperature contrast Tspot/Tstar |
|---|---|---|---|---|
| Primary | 33 | 30.7 | 0.89 |
| Designation | Gaia DR3 2684640639182523264 |
|---|---|
| RA | 320:21:11.192827 |
| DEC | -4:50:21.656439 |
| l | 48.99131183916363 |
| b | -34.473771641193245 |
| G [mag] | 9.933081 |
| G_bp [mag] | 10.239655 |
| G_rp [mag] | 9.39811 |
| Parallax | 6.483488421663603 |
| Distance [pc] | 154.4516 |
| Temperature [K] | 5791.5396 |
| Surface gravity log(g) [cm/s2] | 4.0608 |
| Metallicity [Fe/H] | -0.4325 |
| Monochromatic extinction A0 [mag] | 0.0803 |
| Radius [R] | 1.8122786 |
| Luminosity [L] | 3.1964834 |
| Simbad link | HV Aqr |
|---|---|
| J magnitude | 8.912 |
| H magnitude | 8.559 |
| K magnitude | 8.505 |
| Johnson_U magnitude | |
| Johnson_B magnitude | 10.5 |
| Johnson_V magnitude | 9.99 |
| Johnson_R magnitude | 9.337 |
| Johnson_I magnitude | 9.148 |
| Sloan_u magnitude | |
| Sloan_g magnitude | |
| Sloan_r magnitude | |
| Sloan_i magnitude | |
| Sloan_z magnitude |