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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: 7:41  
clear_day Transit: 11:47  
SunsetSet: 15:53 south
sleep NighttimeWhat's Visible Now?
All Constellations » Serpens » 


Altitude: -35.5°   Azimuth: 11.1°   Direction: North

HR7144 is a multiple giant star in the constellation of Serpens.

HR7144 visual magnitude is 6.15. Because of its reltive faintness, HR7144 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 HR7144:


HR7144 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -35.5°
Azimuth: 11.1°
Direction: North

Celestial coordinates and finder chart of HR7144

HR7144 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 HR7144 are provided in the following table:

18h 56m 25s
+02° 28’ 15”

The simplified sky map below shows the position of HR7144 in the sky:

Finder chart HR7144 star
Simplified finder chart for HR7144.

Visibility of HR7144 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 HR7144 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: 87.5°
Max altitude: 41.0°
Azimuth: 272.5°

Digitized Sky Survey image of HR7144

The image below is a photograph of HR7144 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 HR7144 is 0.007 arcsec per year in Right Ascension and -0.011 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR7144 star
DSS2 image of HR7144. The red arrow shows the motion of HR7144 during the next 10000 years (1.17 arcmin in Right Ascension and -1.83 arcmin in declination);

Distance of HR7144 from the Sun and relative movement

HR7144 is distant 523.27 light years from the Sun and it is moving towards the Sun at the speed of 15 kilometers per second.

160.51 pc
523.27 ly
-15 km/s
0.007 arcsec/year
-0.011 arcsec/year

Spectral properties of HR7144

HR7144 belongs to spectral class G8 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR7144 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR7144. Attribution: Richard Powell / CC BY-SA

HR7144 star system properties

HR7144 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 HR7144 double sysyem:

100 arcsec

Alternative designations of HR7144