# Sirius on SpaceSphere

> The brightest star in the night sky, both for its own strong light and because it is one of our closest neighbours.

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

Star

The brightest star in the night sky, both for its own strong light and because it is one of our closest neighbours.

## Facts

- **Position**: 101.28710, -16.71610 (Source: Yale Bright Star Catalogue)
- **Distance**: about 8.7 light years (Source: Yale Bright Star Catalogue parallax)
- **Brightness**: about -1.46 (Source: Yale Bright Star Catalogue)
- **Spectral class**: A1Vm (Source: Yale Bright Star Catalogue)
- **Surface temperature**: about 8,500 K (Worked out by us from the spectral class)
- **Constellation**: Canis Major (Source: Yale Bright Star Catalogue)

## Catalogue designations

HR2491

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)
