ULAS J1342+0928
Quasar / active galaxy · Third most distant quasar known located in the constellation Boötes

About ULAS J1342+0928
The light we see from it set out 13.1 billion years ago, when the universe was 0.69 billion years old (redshift 7.54).
The map lists it as a quasar / active galaxy and shows it at the scale of the large-scale universe, drawn on the supergalactic plane.
Key numbers
| Distance (comoving, today) | 29.3 billion light-years (8,992 Mpc) |
|---|---|
| Redshift z | 7.54 |
| Light travel time | 13.1 billion years |
| Universe's age when this light left | 0.69 billion years |
| Distance method | redshift (Planck 2018 cosmology) |
| Supergalactic coordinates | SGL 110.3°, SGB +13.8° |
Where it is
Its place in the universe, from the inside out: Observable universe.
Zoom out to see it in context: Observable universe, a view about 100 billion light-years across.
From Wikipedia
ULAS J1342+0928 is the third-most distant known quasar detected and contains the second-most distant and oldest known supermassive black hole, at a reported redshift of z = 7.54.
Excerpt from the Wikipedia article ULAS J1342+0928, licensed CC BY-SA 4.0.
Nearby on the map
- Cosmic dawn (first stars, z ≈ 20) Cosmic epoch
- GRB 090429B Explosion or burst
- Cosmic noon (z ≈ 2) Cosmic epoch
- Dark ages (z ≈ 1100 to 20) Cosmic epoch
- TON 618 Quasar / active galaxy
- Hubble distance Region / boundary