NSVS 8849526
| Simbad link | NSVS 8849526 |
|---|---|
| Source publication | Poro, Atila (2025) - BSN. II. The First Light Curve Study of Eight Total Eclipsing Contact Binary Stars with Shallow Fillout Factors |
| ADS link | 2025AJ....170..214P |
| Name in Source publication | N8849 |
| Orbital period in days (P [d]) | 0.28572 |
| Mass ratio (q) | 0.72 |
| Mass ratio determination | Photometric |
| Temperature determination | Unknown |
| Type | A |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? | |
| Search TESS catalog of Eclipsing Binaries | TIC 162006698 |
| Solver | BSN |
|---|---|
| Orbital period in days (P [d]) | 0.28572 |
| Mass ratio (q) | 0.72 |
| Orbital inclination in degrees (i [o]) | 81.6 |
| Fillout (f) | 0.16 |
| Primary temperature in Kelvins (T1 [K]) | 5282 |
| Secondary temperature in Kelvins (T2 [K]) | 5188 |
| Primary polar radius in units of orbital separation (r1p) | |
| Secondary polar radius in units of orbital separation (r2p) | |
| Surface potential (Ω) | 3.2 |
| Orbital separation in solar radii (a [R]) | 2.13 |
|---|---|
| Primary radius in solar units (R1 [R]) | 0.9 |
| Secondary radius in solar units (R2 [R]) | 0.78 |
| Primary mass in solar units (M1 [M]) | 0.92 |
| Secondary mass in solar units (M2 [M]) | 0.66 |
| Primary temperature in kelvins (T1 [K]) | 5282 |
| Secondary temperature in Kelvins (T2 [K]) | 5188 |
| Primary luminosity in solar units (L1 [L]) | 0.56 |
| Secondary luminosity in solar units (L2 [L]) | 0.39 |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) |
| Orbital period in days (P [d]) | 0.28572 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | 0.05184 |
| Cyclic period variation in years (Pc [y]) |
| Designation | Gaia DR3 1899921943516809856 |
|---|---|
| RA | 330:29:58.705687 |
| DEC | 33:36:47.848524 |
| l | 86.96592599959763 |
| b | -17.17250936814876 |
| G [mag] | 13.234876 |
| G_bp [mag] | 13.685519 |
| G_rp [mag] | 12.597439 |
| Parallax | 2.516354095117221 |
| Distance [pc] | 392.0273 |
| Temperature [K] | 5257.167 |
| Surface gravity log(g) [cm/s2] | 4.436 |
| Metallicity [Fe/H] | 0.0691 |
| Monochromatic extinction A0 [mag] | 0.0433 |
| Radius [R] | |
| Luminosity [L] |
| Simbad link | NSVS 8849526 |
|---|---|
| J magnitude | 11.858 |
| H magnitude | 11.419 |
| K magnitude | 11.327 |
| Johnson_U magnitude | |
| Johnson_B magnitude | |
| Johnson_V magnitude | 13.02 |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 13.869 |
| Sloan_r magnitude | 13.164 |
| Sloan_i magnitude | |
| Sloan_z magnitude |