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🌎  Greenwich, United Kingdom [change]


HR870 is a sub-giant star in the constellation of Cetus.

HR870 visual magnitude is 5.97. Because of its reltive faintness, HR870 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 HR870:

HR870 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 26°.

Celestial coordinates and finder chart of HR870

HR870 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 HR870 are provided in the following table:

02h 56m 13s
+08° 22’ 54”

The simplified sky map below shows the position of HR870 in the sky:

Finder chart HR870 star
Simplified finder chart for HR870.

Visibility of HR870 from your location

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

Today's HR870 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 81.6°
Max altitude: 46.9°
Azimuth: 278.4°
HR870 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR870

The image below is a photograph of HR870 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 HR870 is 0.068 arcsec per year in Right Ascension and -0.087 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR870 star
DSS2 image of HR870. The red arrow shows the motion of HR870 during the next 10000 years (11.33 arcmin in Right Ascension and -14.50 arcmin in declination);

Distance of HR870 from the Sun and relative movement

HR870 is distant 145.15 light years from the Sun and it is moving far from the Sun at the speed of 29 kilometers per second.

44.52 pc
145.15 ly
29 km/s
0.068 arcsec/year
-0.087 arcsec/year

Spectral properties of HR870

HR870 belongs to spectral class F7 and has a luminosity class of IV corresponding to a sub-giant star.


The red dot in the diagram below shows where HR870 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR870. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR870