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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
SunriseRise: 6:35  
clear_day Transit: 12:10  
SunsetSet: 17:45
sunny DaytimeWhat's Visible Now?
All Constellations » Cetus » 

HR870

Altitude: 16.6°   Azimuth: 97.4°   Direction: East

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 skies, while it is not visible at all from skies affected by light pollution.

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);

Key facts about HR870

5.97
Sub-giant

HR870 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 16.6°
Azimuth: 97.4°
Direction: East

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”
167.75°
-43.37°
Cetus

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 edit_location_alt
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 edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 81.6°
Max altitude: 46.9°
Azimuth: 278.4°

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.

2.73
F7IV
6481K

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

SAO110851
SAO110851