ASAS J102556+2049.3
| Simbad link | ASAS J102556+2049.3 |
|---|---|
| Source publication | Kjurkchieva, Diana P. (2018) - USNO-B1.0 1452-0049820 and ASAS J102556+2049.3: Two W UMa Binaries Close to the Lower Mass-ratio Limit |
| ADS link | 2018AJ....156...77K |
| Name in Source publication | ASAS J102556+2049.3 |
| Orbital period in days (P [d]) | 0.284976 |
| Mass ratio (q) | 0.13 |
| Mass ratio determination | Photometric |
| Type | A |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? |
| Solver | PHOEBE |
|---|---|
| Orbital period in days (P [d]) | 0.284976 |
| Mass ratio (q) | 0.13 |
| Orbital inclination in degrees (i [o]) | 80.6 |
| Fillout (f) | 0.24 |
| Primary temperature in Kelvins (T1 [K]) | 6000 |
| Secondary temperature in Kelvins (T2 [K]) | 5930 |
| Primary polar radius in units of orbital separation (r1p) | 0.5225 |
| Secondary polar radius in units of orbital separation (r2p) | 0.2122 |
| Surface potential (Ω) | 2.0301 |
| Orbital separation in solar radii (a [R]) | 1.96 |
|---|---|
| Primary radius in solar units (R1 [R]) | 1.11 |
| Secondary radius in solar units (R2 [R]) | 0.46 |
| Primary mass in solar units (M1 [M]) | 1.11 |
| Secondary mass in solar units (M2 [M]) | 0.14 |
| Primary temperature in kelvins (T1 [K]) | 6000 |
| Secondary temperature in Kelvins (T2 [K]) | 5930 |
| Primary luminosity in solar units (L1 [L]) | 1.41 |
| Secondary luminosity in solar units (L2 [L]) | 0.23 |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) | 8.36 |
| Orbital period in days (P [d]) | 0.284976 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | -0.292896 |
| Cyclic period variation in years (Pc [y]) |
| Designation | Gaia DR2 720955035668294784 |
|---|---|
| RA | 156:28:59.30436 |
| DEC | 20:49:13.6992 |
| l | 215.701538 |
| b | 56.28890886 |
| G magnitude | 13.28404 |
| G_bp magnitude | |
| G_rp magnitude | |
| Radial velocity [km/s] | |
| Parallax | 5.701556115 |
| Distance [pc] | 175.390714 |
| Temperature [K] | |
| Radius [R] | |
| Luminosity [L] |
| Simbad link | ASAS J102556+2049.3 |
|---|---|
| J magnitude | 9.372 |
| H magnitude | 9.072 |
| K magnitude | 8.984 |
| Johnson_U magnitude | |
| Johnson_B magnitude | 11.13 |
| Johnson_V magnitude | 10.66 |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 10.394 |
| Sloan_r magnitude | |
| Sloan_i magnitude | |
| Sloan_z magnitude |