From the Extrasolar Planets Encyclopaedia : http://exoplanet.eu

Star : PSR 1257+12

THE STAR

- Basic data :			- More data :    - Basic data (from Simbad) - Most recent ref (from ADS)
	Name PSR 1257+12 Distance 300 pc   Right Asc. Coord. 13 00 04    Decl. Coord. +12 40 56

3 PLANETS

- Basic data :

Name PSR 1257+12 b PSR 1257+12 c PSR 1257+12 d Discovered in 1992     1992     1992     Mass 7e-05 MJ   0.013 MJ   0.012 (± 0.0006) MJ   Semi major axis 0.19 AU   0.36 AU   0.46 AU   Orbital period 25.262 (± 0.003) days   66.5419 (± 0.0001) days   98.2114 (± 0.0002) days   Eccentricity 0     0.0186 (± 0.0002)     0.0252 (± 0.0002)     ω 0 deg.   250.4 (± 6) deg.   108.3 (± 5) deg.   Ttransit 49765.1 (± 0.2)     49768.1 (± 0.1)     49766.5 (± 0.1)     Inclination - 53 (± 4) deg.   47 (± 3) deg.   Update 15/10/06     15/10/06     15/10/06

- Molecules detected :
	Name PSR 1257+12 b PSR 1257+12 c PSR 1257+12 d Molecules None None None

- PSR 1257+12 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) - 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)

- PSR 1257+12 Other web pages :
	Pulsar Planets (A. Wolszcan) Chart of Planets Around Pulsar B1257 +12

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