V649 Lyr
| Simbad link | V649 Lyr |
|---|---|
| Source publication | Liao, W. -P. (2012) - A CCD Photometric Study of the Contact Binary Star GSC 03526-01995 |
| ADS link | 2012AJ....144..178L |
| Name in Source publication | GSC 03526-01995 |
| Orbital period in days (P [d]) | 0.292258 |
| Mass ratio (q) | 0.35 |
| Mass ratio determination | Photometric |
| Type | W |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? |
| Solver | WD |
|---|---|
| Orbital period in days (P [d]) | 0.292258 |
| Mass ratio (q) | 0.35 |
| Orbital inclination in degrees (i [o]) | 88.4 |
| Fillout (f) | 0.18 |
| Primary temperature in Kelvins (T1 [K]) | 4581 |
| Secondary temperature in Kelvins (T2 [K]) | 4830 |
| Primary polar radius in units of orbital separation (r1p) | 0.4509 |
| Secondary polar radius in units of orbital separation (r2p) | 0.2809 |
| Surface potential (Ω) | 2.5382 |
| Orbital separation in solar radii (a [R]) | |
|---|---|
| Primary radius in solar units (R1 [R]) | |
| Secondary radius in solar units (R2 [R]) | |
| Primary mass in solar units (M1 [M]) | |
| Secondary mass in solar units (M2 [M]) | |
| Primary temperature in kelvins (T1 [K]) | 4581 |
| Secondary temperature in Kelvins (T2 [K]) | 4830 |
| Primary luminosity in solar units (L1 [L]) | |
| Secondary luminosity in solar units (L2 [L]) | |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) |
| Orbital period in days (P [d]) | 0.292258 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | |
| Cyclic period variation in years (Pc [y]) | 7.39 |
| Designation | Gaia DR2 2118237605071936896 |
|---|---|
| RA | 276:06:44.27388 |
| DEC | 45:39:01.251252 |
| l | 73.72045764 |
| b | 23.52578141 |
| G magnitude | 14.179678 |
| G_bp magnitude | 14.666197 |
| G_rp magnitude | 13.545309 |
| Radial velocity [km/s] | |
| Parallax | 1.694630495 |
| Distance [pc] | 590.099141 |
| Temperature [K] | 4993.5 |
| Radius [R] | 1.0437417 |
| Luminosity [L] | 0.61024046 |
| Simbad link | V649 Lyr |
|---|---|
| J magnitude | 12.583 |
| H magnitude | 12.113 |
| K magnitude | 12.02 |
| Johnson_U magnitude | |
| Johnson_B magnitude | 15.36 |
| Johnson_V magnitude | 14.51 |
| Johnson_R magnitude | 14.21 |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 14.1797 |
| Sloan_r magnitude | 14.21 |
| Sloan_i magnitude | |
| Sloan_z magnitude |