HV Aqr
| Simbad link | HV Aqr |
|---|---|
| Source publication | Li, K. (2013) - Multiple color light curves and period changes investigation of the contact binary HV Aqr |
| ADS link | 2013NewA...21...46L |
| Name in Source publication | HV Aqr |
| Orbital period in days (P [d]) | 0.374458 |
| Mass ratio (q) | 0.14 |
| Mass ratio determination | Spectroscopic |
| Type | W |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? |
| Solver | WD |
|---|---|
| Orbital period in days (P [d]) | 0.374458 |
| Mass ratio (q) | 0.14 |
| Orbital inclination in degrees (i [o]) | 79.2 |
| Fillout (f) | 0.57 |
| Primary temperature in Kelvins (T1 [K]) | 6460 |
| Secondary temperature in Kelvins (T2 [K]) | 6669 |
| Primary polar radius in units of orbital separation (r1p) | 0.5242 |
| Secondary polar radius in units of orbital separation (r2p) | 0.2288 |
| Surface potential (Ω) | 2.0362 |
| Orbital separation in solar radii (a [R]) | 2.53 |
|---|---|
| Primary radius in solar units (R1 [R]) | 1.45 |
| Secondary radius in solar units (R2 [R]) | 0.65 |
| Primary mass in solar units (M1 [M]) | 1.36 |
| Secondary mass in solar units (M2 [M]) | 0.2 |
| Primary temperature in kelvins (T1 [K]) | 6460 |
| Secondary temperature in Kelvins (T2 [K]) | 6669 |
| Primary luminosity in solar units (L1 [L]) | 3.27 |
| Secondary luminosity in solar units (L2 [L]) | 0.74 |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) | 3.01 |
| Orbital period in days (P [d]) | 0.374458 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | -0.007638 |
| Cyclic period variation in years (Pc [y]) |
| Designation | Gaia DR2 2684640639182523264 |
|---|---|
| RA | 320:21:11.22516 |
| DEC | -4:50:21.705468 |
| l | 48.99133159 |
| b | -34.47377228 |
| G magnitude | 9.871804 |
| G_bp magnitude | 10.197383 |
| G_rp magnitude | 9.373675 |
| Radial velocity [km/s] | |
| Parallax | 5.126803377 |
| Distance [pc] | 195.053316 |
| Temperature [K] | 5733 |
| 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 | 9.148 |
| Johnson_B magnitude | 10.5 |
| Johnson_V magnitude | 9.99 |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 9.8718 |
| Sloan_r magnitude | |
| Sloan_i magnitude | 9.148 |
| Sloan_z magnitude |