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 SIMBAD	PSR B1257+12
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

enghraifft o'r canlynol

pylseren^[2]

enw

Lich^[3]

enwyd gan: Undeb Rhyngwladol Astronomeg

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

safle darganfyddiad seryddol

Arecibo Observatory

eitem gweithredol: Arecibo Radio Telescope

cytser

Virgo^[4]

is-wrthrych seryddol

PSR 1257+12 b

trefnolyn: b

PSR B1257+12 c

trefnolyn: c

PSR B1257+12 d

trefnolyn: d

pellter o'r Ddaear

0.60 kiloparsec^[5]

paralacs

1.41±0.08 milliarcsecond^[6]

declination component of proper motion

−84.87±0.32 milliarcsecond per year^[6]

right ascension component of proper motion

46.44±0.08 milliarcsecond per year^[6]

spectral class

PSR^[7]

epoc

J2000.0^[8]^[2]

esgyniad

195.01294792 degree^[6]

gogwydd

12.68198750 degree^[6]

age estimated by a dating method

1 gigaannum^[7]

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
↑ https://www.iau.org/news/pressreleases/detail/iau1514/
↑ inferred from equatorial coordinates
↑ Pulsar rotation measures and large-scale magnetic field reversals in the Galactic disk, SIMBAD
↑ ^6.0 ^6.1 ^6.2 ^6.3 ^6.4 Very long baseline interferometry astrometry of PSR B1257+12, a pulsar with a planetary system, SIMBAD
↑ ^7.0 ^7.1 Extrasolar Planets Encyclopaedia, psr_1257_12_b--275
↑ Very long baseline interferometry astrometry of PSR B1257+12, a pulsar with a planetary system

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

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

[rd478c025-3] ttps://www.iau.org/news/pressreleases/detail/iau1514/

[r9bf4af7f-4] rred from equatorial coordinates

[ra0e6ccfe-5] Pulsar rotation measures and large-scale magnetic field reversals in the Galactic disk, SIMBAD

[rf14cb6d7-6] 6.0 ^6.1 ^6.2 ^6.3 ^6.4 Very long baseline interferometry astrometry of PSR B1257+12, a pulsar with a planetary system, SIMBAD

[r249714e8-7] 7.0 ^7.1 Extrasolar Planets Encyclopaedia, psr_1257_12_b--275

[r875a43c1-8] Very long baseline interferometry astrometry of PSR B1257+12, a pulsar with a planetary system

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