V539 Dra
Simbad link | V539 Dra |
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Source publication | Kjurkchieva, Diana P. (2019) - Global Parameters of 12 Totally Eclipsing W UMa Stars |
ADS link | 2019AJ....158..186K |
Name in Source publication | V539 Dra |
Orbital period in days (P [d]) | 0.333094 |
Mass ratio (q) | 0.25 |
Mass ratio determination | Photometric |
Type | W |
Has total eclipse? | |
Has spots? | |
Has third light? | |
Has period variation? |
Solver | PHOEBE |
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Orbital period in days (P [d]) | 0.333094 |
Mass ratio (q) | 0.25 |
Orbital inclination in degrees (i [o]) | 80.1 |
Fillout (f) | 0.25 |
Primary temperature in Kelvins (T1 [K]) | 5440 |
Secondary temperature in Kelvins (T2 [K]) | 5670 |
Primary polar radius in units of orbital separation (r1p) | 0.4784 |
Secondary polar radius in units of orbital separation (r2p) | 0.2579 |
Surface potential (Ω) | 2.3167 |
Orbital separation in solar radii (a [R]) | 2.32 |
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Primary radius in solar units (R1 [R]) | 1.2 |
Secondary radius in solar units (R2 [R]) | 0.65 |
Primary mass in solar units (M1 [M]) | 1.21 |
Secondary mass in solar units (M2 [M]) | 0.3 |
Primary temperature in kelvins (T1 [K]) | 5440 |
Secondary temperature in Kelvins (T2 [K]) | 5670 |
Primary luminosity in solar units (L1 [L]) | 1.12 |
Secondary luminosity in solar units (L2 [L]) | 0.4 |
Distance in parsecs (d [pc]) | 552 |
Age in gigayears (τ [gyr]) | 5.62 |
Simbad link | V539 Dra |
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J magnitude | 11.891 |
H magnitude | 11.52 |
K magnitude | 11.421 |
Johnson_U magnitude | |
Johnson_B magnitude | 13.1 |
Johnson_V magnitude | |
Johnson_R magnitude | |
Johnson_I magnitude | |
Sloan_u magnitude | |
Sloan_g magnitude | 13.2527 |
Sloan_r magnitude | |
Sloan_i magnitude | |
Sloan_z magnitude |