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🌎  Greenwich, United Kingdom [change]


HR817 is a main-sequence star in the constellation of Fornax.

HR817 visual magnitude is 6.22. Because of its reltive faintness, HR817 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 HR817:

HR817 is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of HR817

HR817 is situated south of the celestial equator, as such, it is more easily visible from the southern emisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR817 are provided in the following table:

02h 44m 20s
-32° 31’ 29”

The simplified sky map below shows the position of HR817 in the sky:

Finder chart HR817 star
Simplified finder chart for HR817.

Visibility of HR817 from your location

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

Today's HR817 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 122.5°
Max altitude: 6.0°
Azimuth: 237.5°
HR817 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR817

The image below is a photograph of HR817 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 HR817 is 0.02 arcsec per year in Right Ascension and -0.031 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR817 star
DSS2 image of HR817. The red arrow shows the motion of HR817 during the next 10000 years (3.33 arcmin in Right Ascension and -5.17 arcmin in declination);

Distance of HR817 from the Sun and relative movement

HR817 is distant 349.04 light years from the Sun and it is moving far from the Sun at the speed of 21 kilometers per second.

107.07 pc
349.04 ly
21 km/s
0.02 arcsec/year
-0.031 arcsec/year

Spectral properties of HR817

HR817 belongs to spectral class A1 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where HR817 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR817. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR817