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Phoenix A

Also known as SPT-CL J2344-4243

Phoenix A is a cluster of galaxies in the constellation Phoenix.

Black hole Phoenix A*, one of the most massive known, in the central galaxy of the Phoenix Cluster

Phoenix A: a sky-survey photograph of its field
Sky survey view (DSS2 colour, or a backup survey)

Facts

TypeCluster of galaxies
ConstellationPhoenix
Position (J2000)23h 44m 43s, −42° 43′
Size on the sky7.1′ × 7.1′ (the full Moon is about 31′)
Redshiftz = 0.596
Studied in231 scientific papers (SIMBAD)

When and how to see it

Phoenix A is highest in the sky at midnight in September. From India (about 20° N) it climbs to about 27° above the horizon; from 50° N it never rises.

Heights are worked out for India and for 50° N. Set your location in Settings to see them for where you are.

For tonight's best time from your own town, the darkness and the Moon, open it on the map and see its "Tonight from your location" card.

More in Phoenix

Everything in Phoenix · All 88 constellations · All sky objects

Data: SIMBAD (CDS, Strasbourg; the site's weekly copy) · Data sources & credits