V550 Dra
| Simbad link | V550 Dra |
|---|---|
| Source publication | Lu, Hong-peng (2020) - Magnetic Activity and Period Variation Studies of the Four W Uma-type Eclipsing Binaries: UV Lyn, V781 Tau, NSVS 4484038, and 2MASS J15471055+5302107 |
| ADS link | 2020ApJ...901..169L |
| Name in Source publication | 2MASS J15471055+5302107 |
| Orbital period in days (P [d]) | 0.326653 |
| Mass ratio (q) | 3.59 |
| 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 159854359 |
| Solver | WD |
|---|---|
| Orbital period in days (P [d]) | 0.326653 |
| Mass ratio (q) | 3.59 |
| Orbital inclination in degrees (i [o]) | 76.7 |
| Fillout (f) | 0.21 |
| Primary temperature in Kelvins (T1 [K]) | 5625 |
| Secondary temperature in Kelvins (T2 [K]) | 5339 |
| Primary polar radius in units of orbital separation (r1p) | 0.26 |
| Secondary polar radius in units of orbital separation (r2p) | 0.47 |
| Surface potential (Ω) | 7.268 |
| Orbital separation in solar radii (a [R]) | 2.28 |
|---|---|
| Primary radius in solar units (R1 [R]) | 0.65 |
| Secondary radius in solar units (R2 [R]) | 1.15 |
| Primary mass in solar units (M1 [M]) | 0.33 |
| Secondary mass in solar units (M2 [M]) | 1.17 |
| Primary temperature in kelvins (T1 [K]) | 5625 |
| Secondary temperature in Kelvins (T2 [K]) | 5339 |
| Primary luminosity in solar units (L1 [L]) | |
| Secondary luminosity in solar units (L2 [L]) | |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) |
| Orbital period in days (P [d]) | 0.326653 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | 0.05184 |
| Cyclic period variation in years (Pc [y]) |
| Host | Longitude λ [o] | Latitude β [o] | Angular radius σ [o] | Temperature contrast Tspot/Tstar |
|---|---|---|---|---|
| Secondary | 98 | 8.7 | 0.9733 |
| Designation | Gaia DR3 1596779097312755328 |
|---|---|
| RA | 236:47:38.802244 |
| DEC | 53:02:11.288208 |
| l | 83.8478288771611 |
| b | 48.56630996048525 |
| G [mag] | 9.782488 |
| G_bp [mag] | 10.177915 |
| G_rp [mag] | 9.20843 |
| Parallax | 9.252473862966305 |
| Distance [pc] | |
| Temperature [K] | |
| Surface gravity log(g) [cm/s2] | |
| Metallicity [Fe/H] | |
| Monochromatic extinction A0 [mag] | |
| Radius [R] | |
| Luminosity [L] |
| Temperature [K] | 5644.53 |
|---|---|
| Surface gravity log(g) [cm/s2] | 4.29 |
| Metallicity [Fe/H] | 0.333 |
| Simbad link | V550 Dra |
|---|---|
| J magnitude | 8.523 |
| H magnitude | 8.197 |
| K magnitude | 8.056 |
| Johnson_U magnitude | |
| Johnson_B magnitude | 10.89 |
| Johnson_V magnitude | 10.05 |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | |
| Sloan_r magnitude | |
| Sloan_i magnitude | |
| Sloan_z magnitude |