Stellar stream
Alpheus
A river of stars — what is left of a cluster or small galaxy the Milky Way pulled apart.
Measured
- Distance
- about 5,824 light-years
How far, from the Sun
About 5,820 light-years. To cross it:
- Light5,820 years
- Voyager 1's speed103 million years
- Driving at 100 km/h62.9 billion years
Voyager 1 at the speed it moved outward over the year to 2026-10-25 (JPL Horizons). Driving: nonstop, never refuelling.
Facts
- About 2,800 light-years long, 5,900 light-years away on average.
- Traced by Grillmair2013.
Where this comes from
- Stellar streams: galstreams (Mateu 2023, MNRAS 520, 5225), Copyright (c) 2017, Cecilia Mateu, BSD 3-Clause licence, and the papers each track comes from.
Every catalogue Ouranos draws is credited on the credits page.