PSR B1257+12

Creu erthygl

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pulsar located 1000 light years from the Sun

Adnoddau allanol

dynodwr Freebase	/m/03lg86^[1]
dynodwr Encyclopædia Britannica Online	place/PSR-1257-12 enwyd fel: PSR B1257+12 neutron star enw cryno'r awdur: Erik Gregersen topic/PSR-B1257-12 enwyd fel: PSR 1257+12 pulsar
dynodwr SIMBAD	PSR B1257+12

enghraifft o'r canlynol

pylseren^[2]

planed allheulol^[3]

enw

Lich^[4]

enwyd gan: Undeb Rhyngwladol Astronomeg

màs

0.012±0.0006 Jupiter mass^[5]

enwyd ar ôl

lich

enwyd gan

Undeb Rhyngwladol Astronomeg

cod catalogio

PSR B1257+12^[2]

PSR J1300+1240^[2]

darganfyddwr neu ddyfeisiwr

Aleksander Wolszczan

dyddiad darganfod

1990

1992^[3]

safle darganfyddiad seryddol

Arecibo Observatory

eitem gweithredol: Arecibo Radio Telescope

cytser

Virgo^[6]

is-wrthrych seryddol

PSR 1257+12 b

trefnolyn: b

PSR B1257+12 c

trefnolyn: c

PSR B1257+12 d

trefnolyn: d

argument of periapsis

108.3±5 degree^[5]

pellter o'r Ddaear

0.60 kiloparsec^[7]

orbital eccentricity

0.0252±0.0002^[5]

gogwydd yr orbid

47±3 degree^[5]

orbital period

98.2114±0.0002 diwrnod^[5]

semi-major axis of an orbit

0.46 uned seryddol^[5]

paralacs

1.41±0.08 milliarcsecond^[8]

declination component of proper motion

−84.87±0.32 milliarcsecond per year^[8]

right ascension component of proper motion

46.44±0.08 milliarcsecond per year^[8]

spectral class

PSR^[9]

epoc

J2000.0^[10]^[2]^[3]

esgyniad

195.01294792 degree^[8]

gogwydd

12.68198750 degree^[8]

age estimated by a dating method

1 gigaannum^[9]

time of periapsis

2,449,765.5±0.1 Julian day^[11]

epoc: J2000.0

yn wahanol i

Lich

maen prawf: descriptive page and disambiguation page have to be in different items

categori Comin

PSR B1257+12

prif gategori

Category:PSR B1257+12

Cyfeiriadau

↑ Freebase Data Dumps, 28 Hydref 2013
↑ ^2.0 ^2.1 ^2.2 ^2.3 SIMBAD
↑ ^3.0 ^3.1 ^3.2 Extrasolar Planets Encyclopaedia
↑ https://www.iau.org/news/pressreleases/detail/iau1514/
↑ ^5.0 ^5.1 ^5.2 ^5.3 ^5.4 ^5.5 Confirmation of Earth-Mass Planets Orbiting the Millisecond Pulsar PSR B1257 + 12, Extrasolar Planets Encyclopaedia
↑ inferred from equatorial coordinates
↑ Pulsar rotation measures and large-scale magnetic field reversals in the Galactic disk, SIMBAD
↑ ^8.0 ^8.1 ^8.2 ^8.3 ^8.4 Very long baseline interferometry astrometry of PSR B1257+12, a pulsar with a planetary system, SIMBAD
↑ ^9.0 ^9.1 Extrasolar Planets Encyclopaedia, psr_1257_12_b--275
↑ Very long baseline interferometry astrometry of PSR B1257+12, a pulsar with a planetary system
↑ Discovery of pulsar planets, Extrasolar Planets Encyclopaedia

[rbc9e7ece-1] Freebase Data Dumps, 28 Hydref 2013

[r8616f5bb-2] 2.0 ^2.1 ^2.2 ^2.3 SIMBAD

[ra708a8d9-3] 3.0 ^3.1 ^3.2 Extrasolar Planets Encyclopaedia

[rd478c025-4] ttps://www.iau.org/news/pressreleases/detail/iau1514/

[r1fcd19f5-5] 5.0 ^5.1 ^5.2 ^5.3 ^5.4 ^5.5 Confirmation of Earth-Mass Planets Orbiting the Millisecond Pulsar PSR B1257 + 12, Extrasolar Planets Encyclopaedia

[r9bf4af7f-6] rred from equatorial coordinates

[ra0e6ccfe-7] Pulsar rotation measures and large-scale magnetic field reversals in the Galactic disk, SIMBAD

[rf14cb6d7-8] 8.0 ^8.1 ^8.2 ^8.3 ^8.4 Very long baseline interferometry astrometry of PSR B1257+12, a pulsar with a planetary system, SIMBAD

[r249714e8-9] 9.0 ^9.1 Extrasolar Planets Encyclopaedia, psr_1257_12_b--275

[r875a43c1-10] Very long baseline interferometry astrometry of PSR B1257+12, a pulsar with a planetary system

[r92dcb7c7-11] Discovery of pulsar planets, Extrasolar Planets Encyclopaedia

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