Black Hole
A hyperluminous X-ray source on the edge of the galaxy ESO 243-49, long regarded as the strongest candidate for an intermediate-mass black hole.
| Type | Black Hole |
|---|---|
| Black hole type | Intermediate |
| Distance from Earth | 290,000,000 ly |
| Diameter | 118,170 km |
| Mass | 3.98 × 10^34 kg |
| Redshift | 0.0224 |
| Discovered | 2009 |
Its mass is 20,000 times the mass of the Sun.
The light reaching us from HLX-1 tonight left it around 290,000,000 years ago.
Its light arrives redshifted by z = 0.0224, stretched on the way here by the universe's expansion.
It has been on record since 2009.
Play today's Cosmodle