Deep Sky Monitor From Curiosity to Cosmos.

HD 20794

HD 20794 is a star with planets in the constellation Eridanus, about 19.6 light-years from Earth.

HD 20794: a sky-survey photograph of its field
Sky survey view (DSS2 colour, or a backup survey)

Facts

TypeStar with planets
ConstellationEridanus
Position (J2000)3h 19m 59s, −43° 03′
Distance19.6 light-years (its light set off about 19.6 years ago)
Brightnessmagnitude 4.26 (smaller is brighter; the faintest stars the eye sees are about 6)

Planets

4 known
PlanetSize (Earth = 1)Year (days)Habitable zone
HD 20794 b1.4518.31no
HD 20794 d2.0489.68no
HD 20794 e2.03147.02no
HD 20794 f2.28647.6yes (conservative)

When and how to see it

HD 20794 is highest in the sky at midnight in November. From India (about 20° N) it climbs to about 27° above the horizon; from 50° N it never rises. To see it you need the naked eye from a dark site.

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 Eridanus

Everything in Eridanus · All 88 constellations · All sky objects

Data: · NASA Exoplanet Archive · Data sources & credits