Quasars — black holes in Boötes

3 CATALOGUED

Regions where gravity wins. From stellar remnants a few times the Sun's mass to the giants anchoring entire galaxies.

RANKED LISTS

Gaia BH1 — 1560 ly away

TON 618 — 6.6×10¹⁰ M☉

J0313-1806 — 244.8 Gly away

ALL CLASSES QUASAR · 39 STELLAR-MASS BLACK HOLE · 7 SUPERMASSIVE BLACK HOLE · 3 INTERMEDIATE-MASS BLACK HOLE · 2

BY CONSTELLATION · 32 REGIONS

The 3 catalogued below lie inside the IAU boundaries of Boötes. Everything else in Boötes →

ULAS J1342+0928

7.8×10⁸ M☉

Cloverleaf quasar

3 OBJECTS