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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:08 
Transit: 12:13 
Sunset: 17:20
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All Constellations » Eridanus » 

HR1581

Above the horizon.  Rise: 14:28 | Tran: 19:00 | Set: 23:32
Alt: 21.81°   Az: 187.92°   Direction: South

HR1581 is a variable giant star of spectral class G4 in the constellation of Eridanus.

HR1581 visual magnitude is 5.72. Because of its faintness, HR1581 is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

Image of HR1581 star
DSS2 image of HR1581. The red arrow shows the motion of HR1581 during the next 10000 years (1.67 arcmin in Right Ascension and 7.50 arcmin in declination);

Celestial Coordinates

Apparent

04h 56m 26s
-16° 22’ 44”
00h 30m 38s
05h 27m 05s

J2000

04h 55m 18s
-16° 25’ 04”

Galactic Coordinates

215.61°
-32.9°

Finder Chart

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Finder chart for HR1581.

Magnitude, Color, Spectral Class

5.72
Giant

0.99
G4
5051K

The red dot in the diagram below shows where HR1581 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR1581. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR1581 is distant 288.50 light years from the Sun and it is moving far from the Sun at the speed of 32 kilometers per second.

88.50
288.50
32 km/s
0.01 arcsec/y
0.045"/y

Alternative Designations

SAO149988
SAO149988

Visibility from Your Location

Today's HR1581 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 106.4°
Max altitude: 22.1°
Azimuth: 253.6°