HR1421

HR1421 is a giant star in the constellation of Eridanus.

HR1421 visual magnitude is 5.96. Because of its reltive faintness, HR1421 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 HR1421:

Color of HR1421 ⬤

Magnitude of HR1421 5.96

Class Giant

VISIBILITY RIGHT NOW HR1421 is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of HR1421

HR1421 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 HR1421 are provided in the following table:

Right Ascension J2000 04h 28m 39s

Declination J2000 -19° 27’ 29”

Galactic Longitude 216.34°

Galactic Latitude -39.91°

Constellation Eridanus

The simplified sky map below shows the position of HR1421 in the sky:

Simplified finder chart for HR1421.

Visibility of HR1421 from your location

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

Today's HR1421 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 109.5° RISE 12:15

Max altitude: 19.1° TRANSIT 16:28

Azimuth: 250.5° SET 20:42

RIGHT NOW HR1421 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR1421

The image below is a photograph of HR1421 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 HR1421 is 0.028 arcsec per year in Right Ascension and -0.09 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR1421. The red arrow shows the motion of HR1421 during the next 10000 years (4.67 arcmin in Right Ascension and -15.00 arcmin in declination);

Distance of HR1421 from the Sun and relative movement

HR1421 is distant 323.09 light years from the Sun and it is moving far from the Sun at the speed of 26 kilometers per second.

Distance (parsec) 99.11 pc

Distance (light year) 323.09 ly

Heliocentric radial velocity 26 km/s

Proper Motion RA 0.028 arcsec/year

Proper Motion Dec -0.09 arcsec/year

Spectral properties of HR1421

HR1421 belongs to spectral class K1 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude 0.98

Spectral Type K1III

Color Index (B-V) 1.22

Temperature of HR1421 4270K

The red dot in the diagram below shows where HR1421 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR1421. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR1421

Henry Draper Catalogue HD28479

SAO Catalogue SAO149668

Hipparcos Catalogue HIP20892

Durchmusterung Catalogue BD-19 931

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In Evidence

Other stars in Eridanus