TIC 219109908
| Simbad link | TIC 219109908 |
|---|---|
| Source publication | Guo, Yani (2026) - A Photometric and Spectroscopic Investigation of 11 TESS Eclipsing Contact Binaries |
| ADS link | 2026ApJ..1000..168G |
| Name in Source publication | TIC 219109908 |
| Orbital period in days (P [d]) | 0.424027 |
| Mass ratio (q) | 0.18 |
| Mass ratio determination | Spectroscopic |
| Temperature determination | Unknown |
| Type | Unspecified |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? | |
| Search TESS catalog of Eclipsing Binaries | TIC 219109908 |
| Solver | WD |
|---|---|
| Orbital period in days (P [d]) | 0.424027 |
| Mass ratio (q) | 0.18 |
| Orbital inclination in degrees (i [o]) | 80.6 |
| Fillout (f) | 0.29 |
| Primary temperature in Kelvins (T1 [K]) | 5840 |
| Secondary temperature in Kelvins (T2 [K]) | 5850 |
| Primary polar radius in units of orbital separation (r1p) | |
| Secondary polar radius in units of orbital separation (r2p) | |
| Surface potential (Ω) |
| Orbital separation in solar radii (a [R]) | 2.67 |
|---|---|
| Primary radius in solar units (R1 [R]) | 1.53 |
| Secondary radius in solar units (R2 [R]) | 0.76 |
| Primary mass in solar units (M1 [M]) | 1.24 |
| Secondary mass in solar units (M2 [M]) | 0.22 |
| Primary temperature in kelvins (T1 [K]) | 5840 |
| Secondary temperature in Kelvins (T2 [K]) | 5850 |
| Primary luminosity in solar units (L1 [L]) | 2.22 |
| Secondary luminosity in solar units (L2 [L]) | 0.53 |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) |
| Orbital period in days (P [d]) | 0.424027 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | 0.03767 |
| Cyclic period variation in years (Pc [y]) | 37.42 |
| Simbad link | TIC 219109908 |
|---|---|
| J magnitude | 9.534 |
| H magnitude | 9.251 |
| K magnitude | 9.143 |
| Johnson_U magnitude | |
| Johnson_B magnitude | 10.92 |
| Johnson_V magnitude | 10.34 |
| Johnson_R magnitude | 10.128 |
| Johnson_I magnitude | 9.804 |
| Sloan_u magnitude | |
| Sloan_g magnitude | 10.59 |
| Sloan_r magnitude | 10.16 |
| Sloan_i magnitude | 9.95 |
| Sloan_z magnitude |