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PSR B1257+12 (Lich)

Pulsar · Millisecond pulsar in the constellation Virgo

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About PSR B1257+12 (Lich)

PSR B1257+12 (Lich) is about 2,860 light-years from the Sun, so the light we see from it left about 2,860 years ago.

It is 26,677 light-years from the centre of the Milky Way.

The map lists it as a pulsar and shows it among the stars around the Sun, drawn on the plane of the Milky Way.

The first star found with planets (1992), orbiting a dead neutron star.

Key numbers

Distance2,860 light-years (877 pc)
Distance from the Galactic centre26,677 light-years
Galactic coordinatesl = 311.31°, b = +75.41°
Spin period6.22 ms
Distance methodestimated from dispersion measure (uncertain by ~2×)

Data: ATNF Pulsar Catalogue v2.9.0.

Where it is

Its place in the universe, from the inside out: Milky Way › Local Group › Virgo Supercluster › Laniakea Supercluster › Observable universe.

Zoom out to see it in context: 1,000 light-years, a view about 2,400 light-years across.

From Wikipedia

PSR B1257+12, alternatively designated PSR J1300+1240, is a millisecond pulsar, 2,300 light-years from the Sun, in the constellation Virgo, rotating at 160.8 times per second. It is also named Lich, after a powerful, fictional undead creature.

Excerpt from the Wikipedia article PSR B1257+12, licensed CC BY-SA 4.0.

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