Cl* NGC 6121 SAW V67
| Simbad link | Cl* NGC 6121 SAW V67 |
|---|---|
| Source publication | Devarapalli, Shanti Priya (2024) - Multi-wavelength photometric study of five contact binaries in the field of globular cluster M4 |
| ADS link | 2024NewA..10702150D |
| Name in Source publication | V48 |
| Orbital period in days (P [d]) | 0.2827 |
| Mass ratio (q) | 0.15 |
| Mass ratio determination | Photometric |
| Temperature determination | Unknown |
| Type | Unspecified |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? |
| Solver | WD |
|---|---|
| Orbital period in days (P [d]) | 0.2827 |
| Mass ratio (q) | 0.15 |
| Orbital inclination in degrees (i [o]) | 80 |
| Fillout (f) | 0.51 |
| Primary temperature in Kelvins (T1 [K]) | 6540 |
| Secondary temperature in Kelvins (T2 [K]) | 6568 |
| Primary polar radius in units of orbital separation (r1p) | |
| Secondary polar radius in units of orbital separation (r2p) | |
| Surface potential (Ω) | 2.0906 |
| Orbital separation in solar radii (a [R]) | |
|---|---|
| Primary radius in solar units (R1 [R]) | 1.09 |
| Secondary radius in solar units (R2 [R]) | 0.49 |
| Primary mass in solar units (M1 [M]) | 1.07 |
| Secondary mass in solar units (M2 [M]) | 0.16 |
| Primary temperature in kelvins (T1 [K]) | 6540 |
| Secondary temperature in Kelvins (T2 [K]) | 6568 |
| Primary luminosity in solar units (L1 [L]) | 1.36 |
| Secondary luminosity in solar units (L2 [L]) | 0.27 |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) |
| Orbital period in days (P [d]) | 0.2827 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | -0.005668 |
| Cyclic period variation in years (Pc [y]) |
| Host | Longitude λ [o] | Latitude β [o] | Angular radius σ [o] | Temperature contrast Tspot/Tstar |
|---|---|---|---|---|
| Primary | 85 | 15 | 1.03 | |
| Secondary | 125 | 15 | 0.87 |
| Simbad link | Cl* NGC 6121 SAW V67 |
|---|---|
| J magnitude | 14.74 |
| H magnitude | 14.5 |
| K magnitude | 14.47 |
| Johnson_U magnitude | 17.27 |
| Johnson_B magnitude | 17.12 |
| Johnson_V magnitude | 16.25 |
| Johnson_R magnitude | 15.65 |
| Johnson_I magnitude | 15.09 |
| Sloan_u magnitude | |
| Sloan_g magnitude | |
| Sloan_r magnitude | |
| Sloan_i magnitude | |
| Sloan_z magnitude |