HR1439

Altitude: -71.5° Azimuth: 36.3° Direction: North-East

HR1439 is a double hypergiant star in the constellation of Eridanus.

HR1439 visual magnitude is 5.96. Because of its reltive faintness, HR1439 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 HR1439:

Color of HR1439 ⬤

Magnitude of HR1439 5.96

Class Hypergiant

VISIBILITY RIGHT NOW

HR1439 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -71.5°
Azimuth: 36.3°
Direction: North-East

Celestial coordinates and finder chart of HR1439

HR1439 is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR1439 are provided in the following table:

Right Ascension J2000 04h 30m 40s

Declination J2000 -35° 39’ 12”

Galactic Longitude 237.62°

Galactic Latitude -43.04°

Constellation Eridanus

The simplified sky map below shows the position of HR1439 in the sky:

Simplified finder chart for HR1439.

Visibility of HR1439 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 HR1439 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: 125.7° RISE 10:49

Max altitude: 2.9° TRANSIT 12:32

Azimuth: 234.3° SET 14:14

RIGHT NOW HR1439 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR1439

The image below is a photograph of HR1439 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 HR1439 is 0 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.

DSS2 image of HR1439. The red arrow shows the motion of HR1439 during the next 10000 years (0.00 arcmin in Right Ascension and 5.17 arcmin in declination);

Distance of HR1439 from the Sun and relative movement

HR1439 is distant 365.47 light years from the Sun and it is moving towards the Sun at the speed of 8 kilometers per second.

Distance (parsec) 112.11 pc

Distance (light year) 365.47 ly

Heliocentric radial velocity -8 km/s

Proper Motion Dec 0.031 arcsec/year

Spectral properties of HR1439

HR1439 belongs to spectral class K0 and has a luminosity class of II corresponding to a hypergiant star.

Absolute magnitude 0.71

Spectral Type K0II

Color Index (B-V) 1

Temperature of HR1439 4743K

The red dot in the diagram below shows where HR1439 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR1439. Attribution: Richard Powell / CC BY-SA

HR1439 star system properties

HR1439 is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the HR1439 double sysyem:

Main star magnitude 5.96

Secondary star magnitude 14.26

Magnitude difference 8.3

Separation 36.6 arcsec

Alternative designations of HR1439

Henry Draper Catalogue HD28776

SAO Catalogue SAO195085

Hipparcos Catalogue HIP21042

Durchmusterung Catalogue CD-35 1768

FK5 Catalogue 2334

In Evidence

Other stars in Eridanus