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White dwarf

G 29-38

Also ZZ Piscium

Open in Ouranos

A pulsating white dwarf surrounded by a warm disc of dust, probably the crushed remains of rocky bodies.

Measured

Distance
57 light-years
Constellation
Pisces
Position (J2000)
RA 23h 28m 48s, Dec +5.25°

How far, from the Sun

57.2 light-years. To cross it:

  • Light57.2 years
  • Voyager 1's speed1.02 million years
  • Driving at 100 km/h617 million years

Voyager 1 at the speed it moved outward over the year to 2026-10-25 (JPL Horizons). Driving: nonstop, never refuelling.

Facts

  • Rocky material falling onto it shows that planets' debris can survive their star's death.
  • Its distance comes from a Gaia parallax: the tiny yearly shift in its position as the Earth circles the Sun.

Where this comes from

  • Gaia DR3 parallax 57.0620 ± 0.0251 mas, Gaia DR3 2660358032257156736 (Gaia Collaboration 2023, A&A 674, A1)
  • This research has made use of the SIMBAD database, CDS, Strasbourg, France (Wenger et al. 2000, A&AS 143, 9).
  • This research has made use of the VizieR catalogue access tool, CDS, Strasbourg, France (DOI: 10.26093/cds/vizier).

Every catalogue Ouranos draws is credited on the credits page.