QX And

Simbad link QX And
Source publication Djurašević, G. (2011) - Physical parameters of close binaries QX Andromedae, RW Comae Berenices, MR Delphini, and BD +079° 3142
ADS link 2011A&A...525A..66D
Name in Source publication QX And
Orbital period in days (P [d]) 0.412172
Mass ratio (q) 0.31
Mass ratio determination Spectroscopic
Type A
Has total eclipse?
Has spots?
Has third light?
Has period variation?

Solver DC
Orbital period in days (P [d]) 0.412172
Mass ratio (q) 0.31
Orbital inclination in degrees (i [o]) 54.6
Fillout (f) 0.36
Primary temperature in Kelvins (T1 [K]) 6440
Secondary temperature in Kelvins (T2 [K]) 6420
Primary polar radius in units of orbital separation (r1p) 0.4688
Secondary polar radius in units of orbital separation (r2p) 0.2783
Surface potential (Ω) 2.41

Orbital separation in solar radii (a [R]) 2.89
Primary radius in solar units (R1 [R]) 1.46
Secondary radius in solar units (R2 [R]) 0.88
Primary mass in solar units (M1 [M]) 1.47
Secondary mass in solar units (M2 [M]) 0.45
Primary temperature in kelvins (T1 [K]) 6440
Secondary temperature in Kelvins (T2 [K]) 6420
Primary luminosity in solar units (L1 [L]) 3.16
Secondary luminosity in solar units (L2 [L]) 1.14
Distance in parsecs (d [pc]) 416
Age in gigayears (τ [gyr]) 4.18

Orbital period in days (P [d]) 0.412172
Monotonic period variation in seconds per year (dPdt [s/y]) 0.023328
Cyclic period variation in years (Pc [y])
Period study Ren, A. B. (2011) - CCD Photometry of the W UMa type star QX Andromeda
ADS link 2011NewA...16..194R

Designation Gaia DR2 342870640854339200
RA 29:29:26.912364
DEC 37:48:22.268556
l 137.1765372
b -23.21851083
G magnitude 11.292908
G_bp magnitude 11.568858
G_rp magnitude 10.9002
Radial velocity [km/s] 47.1744297
Parallax 2.237575352
Distance [pc] 446.912324
Temperature [K] 6224.1504
Radius [R] 1.812568
Luminosity [L] 4.4422565

Orbital period [d] 0.4121753
Temperature [K] 6501.66
Surface gravity (log(g)) 4.174
Metallicity ([Fe/H]) -0.066

Simbad link QX And
J magnitude 10.393
H magnitude 10.225
K magnitude 10.163
Johnson_U magnitude
Johnson_B magnitude 11.91
Johnson_V magnitude 11.43
Johnson_R magnitude 11.23
Johnson_I magnitude
Sloan_u magnitude
Sloan_g magnitude 11.2929
Sloan_r magnitude 11.23
Sloan_i magnitude
Sloan_z magnitude

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