NSVS 2701634
| Simbad link | NSVS 2701634 |
|---|---|
| Source publication | Martignoni, M. (2016) - First multi-colour photometric study of the short period K-type contact binary NSVS 2701634 |
| ADS link | 2016NewA...46...25M |
| Name in Source publication | NSVS 2701634 |
| Orbital period in days (P [d]) | 0.244715 |
| Mass ratio (q) | 0.38 |
| 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]) | 0.244715 |
| Mass ratio (q) | 0.38 |
| Orbital inclination in degrees (i [o]) | 72 |
| Fillout (f) | 0.15 |
| Primary temperature in Kelvins (T1 [K]) | 4204 |
| Secondary temperature in Kelvins (T2 [K]) | 4660 |
| Primary polar radius in units of orbital separation (r1p) | 0.4428 |
| Secondary polar radius in units of orbital separation (r2p) | 0.2865 |
| Surface potential (Ω) | 2.6094 |
| Orbital separation in solar radii (a [R]) | 1.77 |
|---|---|
| Primary radius in solar units (R1 [R]) | 0.84 |
| Secondary radius in solar units (R2 [R]) | 0.56 |
| Primary mass in solar units (M1 [M]) | 0.9 |
| Secondary mass in solar units (M2 [M]) | 0.34 |
| Primary temperature in kelvins (T1 [K]) | 4204 |
| Secondary temperature in Kelvins (T2 [K]) | 4660 |
| Primary luminosity in solar units (L1 [L]) | 0.3 |
| Secondary luminosity in solar units (L2 [L]) | 0.09 |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) | 13 |
| Orbital period in days (P [d]) | 0.244715 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | |
| Cyclic period variation in years (Pc [y]) |
| Designation | Gaia DR2 1664114254548761600 |
|---|---|
| RA | 206:32:09.33792 |
| DEC | 61:05:12.918408 |
| l | 111.4908823 |
| b | 54.8094879 |
| G magnitude | 11.627794 |
| G_bp magnitude | 12.077328 |
| G_rp magnitude | 10.82034 |
| Radial velocity [km/s] | |
| Parallax | 7.209266054 |
| Distance [pc] | 138.710375 |
| Temperature [K] | 4644.3335 |
| Radius [R] | 0.96375245 |
| Luminosity [L] | 0.38933128 |
| Simbad link | NSVS 2701634 |
|---|---|
| J magnitude | 9.894 |
| H magnitude | 9.384 |
| K magnitude | 9.24 |
| Johnson_U magnitude | 11.06 |
| Johnson_B magnitude | 12.49 |
| Johnson_V magnitude | 11.99 |
| Johnson_R magnitude | 11.379 |
| Johnson_I magnitude | |
| Sloan_u magnitude | 15.083 |
| Sloan_g magnitude | 12.294 |
| Sloan_r magnitude | 11.379 |
| Sloan_i magnitude | 11.06 |
| Sloan_z magnitude | 12.592 |