# Betelgeuse on SpaceSphere

> A red supergiant in one of the last stages of a massive star's life, and one of the few stars whose surface telescopes have actually seen.

Canonical: https://spacesphere.sygnito.com/en/universe/betelgeuse

Star

A red supergiant in one of the last stages of a massive star's life, and one of the few stars whose surface telescopes have actually seen.

## Facts

- **Position**: 88.79290, 7.40690 (Source: Yale Bright Star Catalogue)
- **Distance**: Parallax measurement is insufficient
- **Brightness**: about 0.5 (Source: Yale Bright Star Catalogue)
- **Spectral class**: M1-2Ia-Iab (Source: Yale Bright Star Catalogue)
- **Surface temperature**: about 3,200 K (Worked out by us from the spectral class)
- **Constellation**: Orion (Source: Yale Bright Star Catalogue)

## Catalogue designations

HR2061

Source: Yale Bright Star Catalogue HR number

## Can you see it tonight?

The page works this out in the visitor's browser, from their own location, and the answer is a prediction rather than an observation. It is not part of this file.

## Related

- [All objects](https://spacesphere.sygnito.com/en/universe)