Planet PSR B1257+12 d

Detailed information about planet PSR B1257+12 d and its parameters.

Planet

Name
PSR B1257+12 d
Planet Status
Confirmed
Discovered in
1992
Publication
Status
—
Update
2024-05-29
Mass
Mass*sin(i)
—
Semi-Major Axis
Orbital Period
Eccentricity
Angular distance
0.00092 arcsec
ω
Tperi
Radius
—
Inclination
Detection Method
Timing
Mass Meas. Method
—
Radius Meas. 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
—
Data Source Type Result Value Result Figure Notes Reference
Molecule Data Source Type Result Value Result Figure Notes Reference

- 31 Oct. 2002: Possible comet around the pulsar PSR1257+12 (courtesy Daniel Fischer)
- The innermost `planet' claimed to be an artefact due to solar wind (Schere et al. 1997)
- A possible fourth, Saturn-like, planet at ~ 40 UA (Joshi & Rasio 1996, Wolszczan 1996)
- 8 May 2000: Planet A cannot be due to a heliospheric propagation effect (Wolszczan et al., 2000)

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Star

Name
PSR B1257+12
Distance
Spectral type
PSR
Apparent magnitude V
—
Apparent magnitude I
—
Apparent magnitude J
—
Apparent magnitude H
—
Apparent magnitude K
—
Mass
—
Age
1.0 ( ± 0.0 ) Gyr
Effective temperature
—
Radius
—
Metallicity [Fe/H]
—
Detected Disc
—
Magnetic Field
—
RA2000
13:00:04.0
Dec2000
+12:40:56.0
Alternate Names
PSR J1300+1240

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