Planet PSR 1257 12 b
| Name | PSR 1257 12 b | ||
| Planet Status | Confirmed | ||
| Discovered in | 1992 | ||
| Mass | 7e-05 MJ |  |
|
| Mass*sin(i) | — | ||
| Semi-Major Axis | 0.19 AU | |
|
| Orbital Period | 25.262 (± 0.003) day | |
|
| Eccentricity | 0.0 | |
|
| ω | 360.0 deg | |
|
| Tperi | 2449765.1 (± 0.3) JD | |
|
| Radius | — | ||
| Inclination | — | ||
| Update | 2014-02-25 | ||
| Detection Method | Pulsar | ||
| Mass Detection Method | — | ||
| Radius Detection Method | — | ||
| Primary transit | — | ||
| Secondary transit | — | ||
| λ | — | ||
| Impact Parameter b | — | ||
| Time Vr=0 | 49765.1 (± 0.2) JD | |
|
| Velocity Semiamplitude K | — | ||
| Calculated temperature | — | ||
| Measured temperature | — | ||
| Hottest point longitude | — | ||
| Geometric albedo | — | ||
| Surface gravity log(g/gH) | — | ||
| Alternate Names | — |
Star
PSR 1257 12| Name | PSR 1257 12 | ||
| Distance | 710.0 (± 40.0) pc | |
|
| Spectral type | |||
| Apparent magnitude V | — | ||
| 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 | ||
| Alternate Names | |||
| Planetary system | 3 planets |
Observability Predictor 
Remarks
- 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)
Other web-pages
- Pulsar Planets (A. Wolszcan)
- Chart of Planets Around Pulsar B1257 +12
Related publications
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2015
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Very long baseline interferometry astrometry of PSR B1257+12, a pulsar with a planetary system
2013
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2012
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Astrobiology, 12, 361
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2011
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2011
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arxiv
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2011
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2010
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MNRAS, 406, 1918
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2010
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2009
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2009
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ApJ., 691, 392
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2007
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2007
MARCHI S.
ApJ., 666, 475
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2007
CURRIE T. & HANSEN B.
ApJ., 666, 1232
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X-ray Emission from the Planet Pulsar
2006
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abstract
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2006
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ApJ., 646, 1038
paper
Long Term Stability and
Dynamical Environment of the
PSR 1257+12 Planetary System.
2005
GOZ'DZIEWSKI K., KONACKI M. & WOLSZCZAN A.
ApJ., 619, 1084
paper
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2005
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2005
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2005
PAPALOIZOU J. & SZUSZKIEWICZ E.
MNRAS, 363, 153
paper
Masses and orbital inclinations of planets in the PSR B1257+12 system.
2003
KONACKI M. & WOLSZCAN A.
ApJ. Letters, 591, L147
paper
Implications of the PSR 1257+12 Planetary System
for Isolated Millisecond Pulsars.
2001
MILLER C. & HAMILTON D.
ApJ., 550, 863
paper
Planet Formation Around Pulsars.
2001
HAMILTON D. & MILLER M.
BAAS, 34, #13.14
paper
Improved timing formula for the PSR B1257+12 planetary system.
2000
KONACKI M., MACIEJEWCKI A. & WOLSZCZAN A.
ApJ, 544, 921
paper
A 25.3 day Periodicity in the Timing of the Pulsar PSR B 1257+12: a Planet or
a Heliospheric Propagation Effect?
2000
WOLSZCZAN A., HOFFMAN I., KONACKI M., ANDERSON S. & XILOURIS K.
Science
preprint, with
Fig1,
Fig2 and
Fig3
Resonance in PSR B1257+12 Planetary System
1998
KONACKI M., MACIEJEWCKI A. & WOLSZCZAN A.
ApJ., 513, 471
paper
Planets around pulsars - a rare phenomenon?
1997
GREAVES J. & HOLLAND W.
BAAS, 29, #111.18
abstract
Distant Companions and Planets around Millisecond Pulsars
1997
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ApJ., 479, 479paper
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Millisecond Pulsar B1257+12
1997
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abstract
A Pulsar, the Heliosphere, and Pioneer 10: Probable Mimicking of a Planet of
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1997
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Science, 278, 1919
abstract and
paper
VLBI Astrometry of the Planetary-System
Millisecond Pulsar B1257+12
1997
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BAAS, 28, no 4, 92.05
abstract
Further Observations of the Planets Pulsar
1996
WOLSZCZAN A.
Search for Protoplanetary and Debris Disks around Millisecond
Pulsars
1996
FOSTER R. S. & FISCHER J.
ApJ., 460, 902
abstract
Further Observations of the Planets Pulsar
1996
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Pulsars: Problems and Progress
in
Pulsars: Problems and Progress,
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Planetary System of PSR B1257+12
1995
MAZEH T. & GOLDMAN I.
PASP, 107, 250
abstract
The pulsar planets update
1995
WOLSZCZAN A.
Astrophys. & Space Sci., 223, 205
Confirmation of Earth-Mass Planets Orbiting the Millisecond Pulsar PSR
B1257+12
1994
WOLSZCZAN A.
Science, 264, 538
paper
Planets around pulsars: A review
1994
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Apstrophys. & Spa. Sci., 212, 91
abstract
Toward planets around neutron stars
1994
WOLSZCZAN A.
Astrophys. & Space Sci., 212, 67
paper
On the detection of mutual perturbations as proof of planets
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1994
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Astrophys. and Spa. Sci, 212, 77
abstract
Planetary system around the pulsar PSR 1257+12
1993
BISNOVATYI-KOGAN G.
Astron. Astrophys., 275, 161
ADS full paper
Orbital dynamics of PSR1257+12 and its two planetary companions
1993
MALHOTRA R., 1993a
Planets around pulsars; Proceedings of the Conference
abstract
Three-body effects in the PSR 1257+12 planetary system
1993
MALHOTRA R
ApJ., 407, 266
abstract
Are there really planets around PSR 1257+12?
1993
GIL A., JESSNER A. & KRAMER M.
Astonomy & Astrophysics, 271, L17
Limits on Planets Orbiting Massive Stars from Radio Pulsar Timing
1993
THORSETT S.E. and DEWEY
ApJ. Letters, 419, 65
paper
On the verification of the planetary system around PSR 1257+12
1993
PEALE S.
Astron. J., 105, 1562
abstract
The pulsar planet production process
1993
PHINNEY E. S. & HANSEN, B. M. S.
abstract
Bistatic radar - Reflections from asteroids around pulsars
1993
PHILLIPS J. A.
abstract
The Origins of Planets Orbiting Pulsars
1992
TAVANI M. & BROOKSHAW L.
Nature, 356, 320
abstract
An Observational Test for the Existence of a Planetary System orbiting
PSR 1257+12.
1992
RASIO F., NICHOLSON P., SHAPIRO S., & TEUKOLSKY S.
Nature, 355, 325
Is there a comet cloud around PSR 1257+12?
1992
CHAKRABARTI S. & KRISHNA-SWAMY K.
Astronomy & Astrophysics, 263, L1
paper
A Planetary System around the Millisecond Pulsar PSR1257+12
1992
WOLSZCZAN A. & FRAIL D.
Nature, 355, 145
paper
