Planet HT Cas (AB)b

Detailed information about planet HT Cas (AB)b and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
HT Cas (AB)b
Mass
13.78 ( +2.12 -2.12 ) MJ
Mass*sin(i)
13.61 ( ± 2.09 ) MJ
Semi-Major Axis
10.13 ( ± 2.07 ) AU
Orbital Period
11052.2 ( ± 47.45 ) day
Eccentricity
0.82 ( ± 0.05 )
ω
3.71 ( ± 0.08 ) deg
Tperi
—
Radius
—
Inclination
81.0 deg
Primary transit
—
Secondary transit
—
λ
—
Impact Parameter b
—
Time Vr=0
—
Velocity Semiamplitude K
—
Calculated temperature
—
Measured temperature
—
Hottest point longitude
—
Surface gravity log(g/gH)
—
Data Source Type Result Value Result Figure Notes Reference
Molecule Data Source Type Result Value Result Figure Notes Reference

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Star

Name
HT Cas (AB)
Distance
131.0 pc
Spectral type
DA+M5.5Ve
Apparent magnitude V
14.1
Apparent magnitude I
—
Apparent magnitude J
—
Apparent magnitude H
—
Apparent magnitude K
—
Mass
0.61 MSun
Age
—
Effective temperature
14500.0 ( ± 500.0 ) K
Radius
0.0118 RSun
Metallicity [Fe/H]
—
Detected Disc
—
Magnetic Field
—
RA2000
01:10:13.1
Dec2000
+60:04:35.5
Alternate Names
—

HT Cas is a cataclysmic variable with orbital period about 1.77 hours. Companion star is a low-mass M5.5 dwarf (m2 = 0.091 MSol, r2 = 0.154 RSol, Teff = ca. 3100K). Average separation 0.658 RSol (= 0.0028 AUs, i = 81°).

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