HR859

Altitude: -42.4° Azimuth: 322.2° Direction: North-West

HR859 is a sub-giant star in the constellation of Eridanus.

HR859 visual magnitude is 6.32. Because of its reltive faintness, HR859 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 HR859:

Color of HR859 ⬤

Magnitude of HR859 6.32

Class Sub-giant

VISIBILITY RIGHT NOW

HR859 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -42.4°
Azimuth: 322.2°
Direction: North-West

Celestial coordinates and finder chart of HR859

HR859 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 HR859 are provided in the following table:

Right Ascension J2000 02h 52m 50s

Declination J2000 -09° 26’ 27”

Galactic Longitude 187.02°

Galactic Latitude -56.35°

Constellation Eridanus

The simplified sky map below shows the position of HR859 in the sky:

Simplified finder chart for HR859.

Visibility of HR859 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 HR859 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: 99.4° RISE 17:04

Max altitude: 29.1° TRANSIT 22:14

Azimuth: 260.6° SET 3:28

Digitized Sky Survey image of HR859

The image below is a photograph of HR859 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 HR859 is 0.074 arcsec per year in Right Ascension and 0.05 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR859. The red arrow shows the motion of HR859 during the next 10000 years (12.33 arcmin in Right Ascension and 8.33 arcmin in declination);

Distance of HR859 from the Sun and relative movement

HR859 is distant 327.97 light years from the Sun and it is moving far from the Sun at the speed of 35 kilometers per second.

Distance (parsec) 100.60 pc

Distance (light year) 327.97 ly

Heliocentric radial velocity 35 km/s

Proper Motion RA 0.074 arcsec/year

Proper Motion Dec 0.05 arcsec/year

Spectral properties of HR859

HR859 belongs to spectral class A7 and has a luminosity class of IV corresponding to a sub-giant star.

Absolute magnitude 1.31

Spectral Type A7IV

Color Index (B-V) 0.19

Temperature of HR859 8241K

The red dot in the diagram below shows where HR859 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR859. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR859

Henry Draper Catalogue HD17943

SAO Catalogue SAO130160

Hipparcos Catalogue HIP13421

Durchmusterung Catalogue BD-10 569

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In Evidence

Other stars in Eridanus