HR3459

Altitude: 30.7° Azimuth: 191.0° Direction: South

HR3459 is a multiple supergiant star in the constellation of Hydra.

HR3459 visual magnitude is 4.62. Because of its moderate brightness, HR3459 should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.

The table below summarizes the key facts about HR3459:

Color of HR3459 ⬤

Magnitude of HR3459 4.62

Class Supergiant

VISIBILITY RIGHT NOW

HR3459 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 30.7°
Azimuth: 191.0°
Direction: South

Celestial coordinates and finder chart of HR3459

HR3459 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 HR3459 are provided in the following table:

Right Ascension J2000 08h 43m 40s

Declination J2000 -07° 14’ 00”

Galactic Longitude 233.29°

Galactic Latitude 20.97°

Constellation Hydra

The simplified sky map below shows the position of HR3459 in the sky:

Simplified finder chart for HR3459.

Visibility of HR3459 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 HR3459 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: 97.2° RISE 22:43

Max altitude: 31.3° TRANSIT 4:08

Azimuth: 262.8° SET 9:30

Digitized Sky Survey image of HR3459

The image below is a photograph of HR3459 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 HR3459 is -0.002 arcsec per year in Right Ascension and 0.003 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

DSS2 image of HR3459. The red arrow shows the motion of HR3459 during the next 100000 years (-3.33 arcmin in Right Ascension and 5.00 arcmin in declination);

Distance of HR3459 from the Sun and relative movement

HR3459 is distant 603.70 light years from the Sun and it is moving far from the Sun at the speed of 31 kilometers per second.

Distance (parsec) 185.19 pc

Distance (light year) 603.70 ly

Heliocentric radial velocity 31 km/s

Proper Motion RA -0.002 arcsec/year

Proper Motion Dec 0.003 arcsec/year

Spectral properties of HR3459

HR3459 belongs to spectral class G1 and has a luminosity class of I corresponding to a supergiant star.

Absolute magnitude -1.72

Spectral Type G1I

Color Index (B-V) 0.84

Temperature of HR3459 5163K

The red dot in the diagram below shows where HR3459 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR3459. Attribution: Richard Powell / CC BY-SA

HR3459 star system properties

HR3459 is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the HR3459 double sysyem:

Main star magnitude 4.62

Secondary star magnitude 8.72

Magnitude difference 4.1

Separation 78.9 arcsec

Alternative designations of HR3459

Henry Draper Catalogue HD74395

SAO Catalogue SAO136221

Hipparcos Catalogue HIP42835

Durchmusterung Catalogue BD-06 2708

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In Evidence

Other stars in Hydra