Andromeda
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Nova in Andromeda

M31N 2005-01a

Open in Ouranos

A white dwarf that flared up in 2005, stealing gas from a companion until it ignited.

Measured

Distance
about 2.5 million light-years

How far, from the Sun

About 2.5 million light-years. To cross it:

  • Light2.5 million years
  • Voyager 1's speed44.4 billion years
  • Driving at 100 km/h27 trillion years

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

Facts

  • Peaked at about magnitude 15.0 from Earth.

Where this comes from

  • Pietsch et al. 2007, A&A 465, 375

Every catalogue Ouranos draws is credited on the credits page.