PSR B1257+12
pulsar located 1000 light years from the Sun
External resources
| Freebase ID | |
| Encyclopædia Britannica Online ID | topic/PSR-B1257-12 referuar si: PSR 1257+12 pulsar |
| SIMBAD ID |
name
masa
0,012±0,0006 Jupiter mass[5]
emëruar prej
lich
named by
zbulues
Aleksander Wolszczan
vendi i zbulimit astronomik
Arecibo Observatory
item operated: Arecibo Radio Telescope
konstalacion
trup që i përket objektit kryesor
PSR 1257+12 b
series ordinal: b
PSR B1257+12 c
series ordinal: c
PSR B1257+12 d
series ordinal: d
argument of periapsis
108,3±5 degree[5]
distance from Earth
0,60 kiloparsec[7]
ekscentriciteti i orbitës
0,0252±0,0002[5]
inklinimi orbital
47±3 degree[5]
perioda orbitale
98,2114±0,0002 dita[5]
semi-major axis of an orbit
0,46 astronomical unit[5]
parallax
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]
klasa spektrale
PSR[9]
right ascension
195,01294792 degree[8]
declination
12,68198750 degree[8]
age estimated by a dating method
1 gigaannum[9]
time of periapsis
formë tjetër
Lich
kriteri i përdorur: descriptive page and disambiguation page have to be in different items
kategoria në Commons
PSR B1257+12
kategoria kryesore
Category:PSR B1257+12
Reference
- ^ Freebase Data Dumps, 28 tetor 2013
- ^ a b c d SIMBAD
- ^ a b c Extrasolar Planets Encyclopaedia
- ^ https://www.iau.org/news/pressreleases/detail/iau1514/
- ^ a b c d e f 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
- ^ a b c d e Very long baseline interferometry astrometry of PSR B1257+12, a pulsar with a planetary system, SIMBAD
- ^ a b 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