V658 Lyr
| Simbad link | V658 Lyr |
|---|---|
| Source publication | Martignoni, M. (2018) - The solar type deep low mass-ratio contact binary V658 Lyr: Photometric solution and preliminary elements |
| ADS link | 2018NewA...62..121M |
| Name in Source publication | V658 Lyr |
| Orbital period in days (P [d]) | 0.330257 |
| Mass ratio (q) | 0.18 |
| Mass ratio determination | Photometric |
| Type | A |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? |
| Solver | WD |
|---|---|
| Orbital period in days (P [d]) | 0.330257 |
| Mass ratio (q) | 0.18 |
| Orbital inclination in degrees (i [o]) | 69.5 |
| Fillout (f) | 0.48 |
| Primary temperature in Kelvins (T1 [K]) | 5752 |
| Secondary temperature in Kelvins (T2 [K]) | 5628 |
| Primary polar radius in units of orbital separation (r1p) | 0.509 |
| Secondary polar radius in units of orbital separation (r2p) | 0.2413 |
| Surface potential (Ω) | 2.1243 |
| Orbital separation in solar radii (a [R]) | 2.25 |
|---|---|
| Primary radius in solar units (R1 [R]) | 1.24 |
| Secondary radius in solar units (R2 [R]) | 0.6 |
| Primary mass in solar units (M1 [M]) | 1.18 |
| Secondary mass in solar units (M2 [M]) | 0.21 |
| Primary temperature in kelvins (T1 [K]) | 5752 |
| Secondary temperature in Kelvins (T2 [K]) | 5628 |
| Primary luminosity in solar units (L1 [L]) | 1.52 |
| Secondary luminosity in solar units (L2 [L]) | 0.33 |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) | 7.33 |
| Orbital period in days (P [d]) | 0.330257 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | -0.025661 |
| Cyclic period variation in years (Pc [y]) |
| Designation | Gaia DR2 2118604498357977088 |
|---|---|
| RA | 278:24:01.26108 |
| DEC | 46:35:41.193096 |
| l | 75.1795828 |
| b | 22.26092737 |
| G magnitude | 11.219453 |
| G_bp magnitude | 11.540094 |
| G_rp magnitude | 10.755759 |
| Radial velocity [km/s] | -0.717098539 |
| Parallax | 3.184285401 |
| Distance [pc] | 314.042202 |
| Temperature [K] | 5810 |
| Radius [R] | 1.5237138 |
| Luminosity [L] | 2.3834503 |
| Simbad link | V658 Lyr |
|---|---|
| J magnitude | 10.159 |
| H magnitude | 9.876 |
| K magnitude | 9.816 |
| Johnson_U magnitude | |
| Johnson_B magnitude | 11.81 |
| Johnson_V magnitude | 11.49 |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 11.2195 |
| Sloan_r magnitude | |
| Sloan_i magnitude | |
| Sloan_z magnitude |