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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 5:05 
Transit: 12:56 
Sunset: 20:48
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All Constellations » Eridanus » 

υ1 Eridani (upsilon1 Eridani)

Below the horizon.  Rise: 10:52 | Tran: 13:48 | Set: 16:44
Alt: -10.25°   Az: 234.43°   Direction: South-West

υ1 Eridani is a variable hypergiant star of spectral class K0 in the constellation of Eridanus.

υ1 Eridani visual magnitude is 4.51. Because of its moderate brightness, υ1 Eridani is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

Image of υ1 Eridani (upsilon1 Eridani) star
DSS2 image of υ1 Eridani. The red arrow shows the motion of υ1 Eridani during the next 1000 years (-1.70 arcmin in Right Ascension and -4.58 arcmin in declination);

Celestial Coordinates

Apparent

04h 34m 30s
-29° 42’ 53”
04h 28m 39s
09h 03m 10s

J2000

04h 33m 30s
-29° 46’ 00”

Galactic Coordinates

229.85°
-41.59°

Finder Chart

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Finder chart for υ1 Eridani (upsilon1 Eridani).

Magnitude, Color, Spectral Class

4.51
Hypergiant

1.60
K0III
4791K

The red dot in the diagram below shows where υ1 Eridani is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of υ1 Eridani. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

υ1 Eridani is distant 124.33 light years from the Sun and it is moving far from the Sun at the speed of 21 kilometers per second.

38.14
124.33
21 km/s
-0.102 arcsec/y
-0.275"/y

Alternative Designations

υ1 Eridani
(upsilon1 Eridani)
SAO169570
SAO169570

Visibility from Your Location

Today's υ1 Eridani (upsilon1 Eridani) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 119.7°
Max altitude: 8.8°
Azimuth: 240.3°