Type

Supermassive

Location

in the constellation Perseus

Finder Chart

Distance

33 million light-years (11.4 megaparsecs)

Mass

40 million to 60 million times the mass of the Sun

Size

Roughly the size of Earth's orbit around the Sun

Discovery Methods

• Measuring the motions of stars

NGC 1023

The spiral galaxy NGC 1023.

This document was last modified: March 15, 2012.