Your Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
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All Constellations » Puppis » 


HR2187 is a double bright giant star in the constellation of Puppis.

HR2187 visual magnitude is 6.27. Because of its reltive faintness, HR2187 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 HR2187:

Bright giant
HR2187 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of HR2187

HR2187 is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR2187 are provided in the following table:

06h 08m 34s
-44° 21’ 21”

The simplified sky map below shows the position of HR2187 in the sky:

Finder chart HR2187 star
Simplified finder chart for HR2187.

Visibility of HR2187 from your location

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

HR2187 is currently not visible from Greenwich, United Kingdom edit_location_alt

Digitized Sky Survey image of HR2187

The image below is a photograph of HR2187 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 HR2187 is -0.013 arcsec per year in Right Ascension and 0.01 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR2187 star
DSS2 image of HR2187. The red arrow shows the motion of HR2187 during the next 10000 years (-2.17 arcmin in Right Ascension and 1.67 arcmin in declination);

Distance of HR2187 from the Sun and relative movement

HR2187 is distant 751.15 light years from the Sun and it is moving far from the Sun at the speed of 17 kilometers per second.

230.41 pc
751.15 ly
17 km/s
-0.013 arcsec/year
0.01 arcsec/year

Spectral properties of HR2187

HR2187 belongs to spectral class B8 and has a luminosity class of II corresponding to a bright giant star.


The red dot in the diagram below shows where HR2187 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR2187. Attribution: Richard Powell / CC BY-SA

HR2187 star system properties

HR2187 is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the HR2187 double sysyem:

33.1 arcsec

Alternative designations of HR2187