NGC 869 542
| Simbad link | NGC 869 542 |
|---|---|
| Source publication | Guo, Di-Fu (2020) - Searching for eclipsing binaries in the area of RA: 02<SUP>h</SUP>21<SUP>m</SUP>36<SUP>s</SUP>, Dec: +57<SUP>○</SUP>11'32″ |
| ADS link | 2020MNRAS.497.3381G |
| Name in Source publication | Mis V1395 |
| Orbital period in days (P [d]) | 0.7393 |
| Mass ratio (q) | 0.15 |
| Mass ratio determination | Photometric |
| Temperature determination | Color index |
| Type | W |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? | |
| Search TESS catalog of Eclipsing Binaries | TIC 264613939 |
| Solver | WD |
|---|---|
| Orbital period in days (P [d]) | 0.7393 |
| Mass ratio (q) | 0.15 |
| Orbital inclination in degrees (i [o]) | 79.6 |
| Fillout (f) | 0.87 |
| Primary temperature in Kelvins (T1 [K]) | 5745 |
| Secondary temperature in Kelvins (T2 [K]) | 5861 |
| Primary polar radius in units of orbital separation (r1p) | 0.5301 |
| Secondary polar radius in units of orbital separation (r2p) | 0.2412 |
| Surface potential (Ω) | 2.019 |
| 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]) | 5745 |
| Secondary temperature in Kelvins (T2 [K]) | 5861 |
| Primary luminosity in solar units (L1 [L]) | |
| Secondary luminosity in solar units (L2 [L]) | |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) |
| Host | Longitude λ [o] | Latitude β [o] | Angular radius σ [o] | Temperature contrast Tspot/Tstar |
|---|---|---|---|---|
| Primary | 117.26 | 149.97 | 42.35 | 1.0694 |
| Designation | Gaia DR3 458365820445288704 |
|---|---|
| RA | 34:34:21.038163 |
| DEC | 56:55:22.223176 |
| l | 134.609031628554 |
| b | -3.9668056990879 |
| G [mag] | 11.413072 |
| G_bp [mag] | 11.731868 |
| G_rp [mag] | 10.88258 |
| Parallax | 1.6039 |
| Distance [pc] | 601.1249 |
| Temperature [K] | 6413.5 |
| Surface gravity log(g) [cm/s2] | 3.8133 |
| Metallicity [Fe/H] | -0.1996 |
| Monochromatic extinction A0 [mag] | 0.4893 |
| Radius [R] | 2.85 |
| Luminosity [L] | 7.995 |
| Temperature [K] | |
|---|---|
| Surface gravity log(g) [cm/s2] | |
| Metallicity [Fe/H] |
| Simbad link | NGC 869 542 |
|---|---|
| J magnitude | 10.191 |
| H magnitude | 9.986 |
| K magnitude | 9.899 |
| Johnson_U magnitude | |
| Johnson_B magnitude | 12.02 |
| Johnson_V magnitude | 11.585 |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | |
| Sloan_r magnitude | |
| Sloan_i magnitude | |
| Sloan_z magnitude |