HR1438

Altitude: -32.3° Azimuth: 290.3° Direction: West-North-West

HR1438 is a double main-sequence star in the constellation of Eridanus.

HR1438 visual magnitude is 6.21. Because of its reltive faintness, HR1438 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 HR1438:

Color of HR1438 ⬤

Magnitude of HR1438 6.21

Class Main-sequence

VISIBILITY RIGHT NOW

HR1438 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -32.3°
Azimuth: 290.3°
Direction: West-North-West

Celestial coordinates and finder chart of HR1438

HR1438 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 HR1438 are provided in the following table:

Right Ascension J2000 04h 31m 25s

Declination J2000 -13° 38’ 41”

Galactic Longitude 209.75°

Galactic Latitude -37.13°

Constellation Eridanus

The simplified sky map below shows the position of HR1438 in the sky:

Simplified finder chart for HR1438.

Visibility of HR1438 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 HR1438 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: 103.6° RISE 18:42

Max altitude: 24.9° TRANSIT 23:29

Azimuth: 256.4° SET 4:20

Digitized Sky Survey image of HR1438

The image below is a photograph of HR1438 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 HR1438 is -0.011 arcsec per year in Right Ascension and -0.063 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR1438. The red arrow shows the motion of HR1438 during the next 10000 years (-1.83 arcmin in Right Ascension and -10.50 arcmin in declination);

Distance of HR1438 from the Sun and relative movement

HR1438 is distant 399.51 light years from the Sun and it is moving towards the Sun at the speed of 15 kilometers per second.

Distance (parsec) 122.55 pc

Distance (light year) 399.51 ly

Heliocentric radial velocity -15 km/s

Proper Motion RA -0.011 arcsec/year

Proper Motion Dec -0.063 arcsec/year

Spectral properties of HR1438

HR1438 belongs to spectral class A3 and has a luminosity class of V corresponding to a main-sequence star.

Absolute magnitude 0.77

Spectral Type A3V

Color Index (B-V) 0.12

Temperature of HR1438 8839K

The red dot in the diagram below shows where HR1438 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR1438. Attribution: Richard Powell / CC BY-SA

HR1438 star system properties

HR1438 is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the HR1438 double sysyem:

Main star magnitude 6.21

Secondary star magnitude 9.41

Magnitude difference 3.2

Separation 29.1 arcsec

Alternative designations of HR1438

Henry Draper Catalogue HD28763

SAO Catalogue SAO149702

Hipparcos Catalogue HIP21110

Durchmusterung Catalogue BD-13 904

Aitken Double Star Catalogue ADS3284

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In Evidence

Other stars in Eridanus