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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 7:47  
clear_day Transit: 11:49  
SunsetSet: 15:50 south
sleep NighttimeWhat's Visible Now?
All Constellations » Cetus » 


Altitude: -23.1°   Azimuth: 286.1°   Direction: West-North-West

HR587 is a variable and double giant star in the constellation of Cetus.

HR587 visual magnitude is 5.51. Because of its reltive faintness, HR587 should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about HR587:


HR587 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -23.1°
Azimuth: 286.1°
Direction: West-North-West

Celestial coordinates and finder chart of HR587

HR587 is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR587 are provided in the following table:

02h 00m 26s
-08° 31’ 24”

The simplified sky map below shows the position of HR587 in the sky:

Finder chart HR587 star
Simplified finder chart for HR587.

Visibility of HR587 from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

Today's HR587 rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 98.5°
Max altitude: 30.0°
Azimuth: 261.5°

Digitized Sky Survey image of HR587

The image below is a photograph of HR587 from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of HR587 is 0.096 arcsec per year in Right Ascension and -0.01 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of HR587 star
DSS2 image of HR587. The red arrow shows the motion of HR587 during the next 1000 years (1.60 arcmin in Right Ascension and -0.17 arcmin in declination);

Distance of HR587 from the Sun and relative movement

HR587 is distant 592.73 light years from the Sun and it is moving far from the Sun at the speed of 6 kilometers per second.

181.82 pc
592.73 ly
6 km/s
0.096 arcsec/year
-0.01 arcsec/year

Spectral properties of HR587

HR587 belongs to spectral class M3 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR587 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR587. Attribution: Richard Powell / CC BY-SA

HR587 star system properties

HR587 is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the HR587 double sysyem:

62.2 arcsec

Alternative designations of HR587