NSVS 4484038
| Simbad link | NSVS 4484038 |
|---|---|
| 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 | NSVS 4484038 |
| Orbital period in days (P [d]) | 0.21855 |
| Mass ratio (q) | 0.3 |
| 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]) | 0.21855 |
| Mass ratio (q) | 0.3 |
| Orbital inclination in degrees (i [o]) | 73.5 |
| Fillout (f) | 0.22 |
| Primary temperature in Kelvins (T1 [K]) | 6664 |
| Secondary temperature in Kelvins (T2 [K]) | 6817 |
| Primary polar radius in units of orbital separation (r1p) | 0.5 |
| Secondary polar radius in units of orbital separation (r2p) | 0.3 |
| Surface potential (Ω) | 2.424 |
| Orbital separation in solar radii (a [R]) | |
|---|---|
| Primary radius in solar units (R1 [R]) | |
| Secondary radius in solar units (R2 [R]) | |
| Primary mass in solar units (M1 [M]) | |
| Secondary mass in solar units (M2 [M]) | |
| Primary temperature in kelvins (T1 [K]) | 6664 |
| Secondary temperature in Kelvins (T2 [K]) | 6817 |
| 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]) | 0.21855 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | |
| Cyclic period variation in years (Pc [y]) | 8.97 |
| Host | Longitude λ [o] | Latitude β [o] | Angular radius σ [o] | Temperature contrast Tspot/Tstar |
|---|---|---|---|---|
| Secondary | 241.4 | 22.7 | 0.9051 |
| Designation | Gaia DR3 196616249827573632 |
|---|---|
| RA | 88:34:15.974157 |
| DEC | 44:25:33.602562 |
| l | 167.46849540990362 |
| b | 9.341461576396204 |
| G [mag] | 12.640399 |
| G_bp [mag] | 13.118046 |
| G_rp [mag] | 11.8877325 |
| Parallax | 4.975286554255259 |
| Distance [pc] | 200.8439 |
| Temperature [K] | 4990.1265 |
| Surface gravity log(g) [cm/s2] | 4.6251 |
| Metallicity [Fe/H] | 0.1373 |
| Monochromatic extinction A0 [mag] | 0.0026 |
| Radius [R] | |
| Luminosity [L] |
| Simbad link | NSVS 4484038 |
|---|---|
| J magnitude | |
| H magnitude | |
| K magnitude | |
| Johnson_U magnitude | |
| Johnson_B magnitude | |
| Johnson_V magnitude | |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 13.243 |
| Sloan_r magnitude | 12.447 |
| Sloan_i magnitude | |
| Sloan_z magnitude |