V1498 Her
| Simbad link | V1498 Her |
|---|---|
| Source publication | Loukaidou, G. A. (2022) - CoBiToM Project - II. Evolution of contact binary systems close to the orbital period cut-off |
| ADS link | 2022MNRAS.514.5528L |
| Name in Source publication | 1SWASP J173003.21+344509.4 |
| Orbital period in days (P [d]) | 0.223709 |
| Mass ratio (q) | 0.66 |
| Mass ratio determination | Photometric |
| Temperature determination | Color index |
| Type | Unspecified |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? | |
| Search TESS catalog of Eclipsing Binaries | TIC 39426509 |
| Solver | WD |
|---|---|
| Orbital period in days (P [d]) | 0.223709 |
| Mass ratio (q) | 0.66 |
| Orbital inclination in degrees (i [o]) | 67.7 |
| Fillout (f) | 0.13 |
| Primary temperature in Kelvins (T1 [K]) | 4700 |
| Secondary temperature in Kelvins (T2 [K]) | 4475 |
| Primary polar radius in units of orbital separation (r1p) | |
| Secondary polar radius in units of orbital separation (r2p) | |
| Surface potential (Ω) | 3.12 |
| Orbital separation in solar radii (a [R]) | |
|---|---|
| Primary radius in solar units (R1 [R]) | 0.75 |
| Secondary radius in solar units (R2 [R]) | 0.59 |
| Primary mass in solar units (M1 [M]) | 0.82 |
| Secondary mass in solar units (M2 [M]) | 0.54 |
| Primary temperature in kelvins (T1 [K]) | 4700 |
| Secondary temperature in Kelvins (T2 [K]) | 4475 |
| Primary luminosity in solar units (L1 [L]) | 0.24 |
| Secondary luminosity in solar units (L2 [L]) | 0.12 |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) |
| Orbital period in days (P [d]) | 0.223709 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | -0.050527 |
| Cyclic period variation in years (Pc [y]) | 9.55 |
| Host | Longitude λ [o] | Latitude β [o] | Angular radius σ [o] | Temperature contrast Tspot/Tstar |
|---|---|---|---|---|
| Primary | 281.6 | 23.4 | 0.838 |
| Designation | Gaia DR3 1335955491592619136 |
|---|---|
| RA | 262:30:48.433135 |
| DEC | 34:45:09.843382 |
| l | 59.01214157450381 |
| b | 30.94188378861308 |
| G [mag] | 13.747111 |
| G_bp [mag] | 14.384895 |
| G_rp [mag] | 12.96876 |
| Parallax | 2.895762952426079 |
| Distance [pc] | 342.0498 |
| Temperature [K] | 4392.4844 |
| Surface gravity log(g) [cm/s2] | 4.3029 |
| Metallicity [Fe/H] | -0.2217 |
| Monochromatic extinction A0 [mag] | 0.0319 |
| Radius [R] | |
| Luminosity [L] |
| Simbad link | V1498 Her |
|---|---|
| J magnitude | 11.957 |
| H magnitude | 11.372 |
| K magnitude | 11.252 |
| Johnson_U magnitude | |
| Johnson_B magnitude | |
| Johnson_V magnitude | 13.78 |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 14.646 |
| Sloan_r magnitude | 13.642 |
| Sloan_i magnitude | |
| Sloan_z magnitude |