Cl* NGC 6838 YM V1
| Simbad link | Cl* NGC 6838 YM V1 |
|---|---|
| Source publication | McVean, J. R. (1997) - Analyses of the Light Curves of the Eclipsing Binaries in the Globular Cluster M71 |
| ADS link | 1997ApJ...481..782M |
| Name in Source publication | Cl* NGC 6838 YM V1 |
| Orbital period in days (P [d]) | 0.3489 |
| Mass ratio (q) | 0.33 |
| 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]) | 0.3489 |
| Mass ratio (q) | 0.33 |
| Orbital inclination in degrees (i [o]) | 84.5 |
| Fillout (f) | 0.15 |
| Primary temperature in Kelvins (T1 [K]) | 5460 |
| Secondary temperature in Kelvins (T2 [K]) | 5335 |
| Primary polar radius in units of orbital separation (r1p) | 0.4544 |
| Secondary polar radius in units of orbital separation (r2p) | 0.2744 |
| Surface potential (Ω) | 2.501 |
| Orbital separation in solar radii (a [R]) | 2.49 |
|---|---|
| Primary radius in solar units (R1 [R]) | 0.96 |
| Secondary radius in solar units (R2 [R]) | 0.58 |
| Primary mass in solar units (M1 [M]) | 0.63 |
| Secondary mass in solar units (M2 [M]) | 0.21 |
| Primary temperature in kelvins (T1 [K]) | 5460 |
| Secondary temperature in Kelvins (T2 [K]) | 5335 |
| Primary luminosity in solar units (L1 [L]) | 1.12 |
| Secondary luminosity in solar units (L2 [L]) | 0.3 |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) | 7.87 |
| Designation | Gaia DR2 1821607299387585152 |
|---|---|
| RA | 298:29:22.44156 |
| DEC | 18:43:33.68622 |
| l | 56.72224095 |
| b | -4.628912141 |
| G magnitude | 17.87911 |
| G_bp magnitude | 18.365234 |
| G_rp magnitude | 17.163172 |
| Radial velocity [km/s] | |
| Parallax | 0.296639715 |
| Distance [pc] | 3371.092775 |
| Temperature [K] | |
| Radius [R] | |
| Luminosity [L] |
| Simbad link | Cl* NGC 6838 YM V1 |
|---|---|
| J magnitude | |
| H magnitude | |
| K magnitude | |
| Johnson_U magnitude | |
| Johnson_B magnitude | 19 |
| Johnson_V magnitude | 18.2 |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | |
| Sloan_r magnitude | |
| Sloan_i magnitude | |
| Sloan_z magnitude |