Planet PSR B1957+20 b

Name PSR B1957+20 b
Planet Status Confirmed
Discovered in 1988
Mass 22.0 MJ
Mass*sin(i)
Semi-Major Axis
Orbital Period 0.38 day
Eccentricity
ω
Tperi
Radius
Inclination
Update 2016-07-23
Detection Method Pulsar
Mass Detection Method
Radius Detection Method
Primary transit
Secondary transit
λ
Impact Parameter b
Time Vr=0
Velocity Semiamplitude K
Calculated temperature
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names

Star

PSR B1957+20
Name PSR B1957+20
Distance 1530.0 pc
Spectral type PSR
Apparent magnitude V
Mass 1.4 MSun
Age 2.2 Gyr
Effective temperature
Radius
Metallicity [Fe/H]
Detected Disc
Magnetic Field
RA2000 19:59:37.0
Dec2000 +20:48:15
Alternate Names
Planetary system 1 planet

More data

Observability Predictor

Remarks

26 Oct 2015: This planetary mass companion is likely formed by erosion of a (sub)stellar companion by the pulsar wind

Related publications

Inferring the composition of super-Jupiter mass companions of pulsars with radio line spectroscopy
2017 RAY A. & LOEB A.
ApJ, 836, 135
paper  arxiv  ADS