HR3458

HR3458 is a giant star in the constellation of Hydra.

HR3458 visual magnitude is 6.37. Because of its reltive faintness, HR3458 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 HR3458:

Color of HR3458 ⬤

Magnitude of HR3458 6.37

Class Giant

VISIBILITY RIGHT NOW HR3458 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of HR3458

HR3458 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 HR3458 are provided in the following table:

Right Ascension J2000 08h 43m 59s

Declination J2000 +04° 20’ 04”

Galactic Longitude 222.43°

Galactic Latitude 26.94°

Constellation Hydra

The simplified sky map below shows the position of HR3458 in the sky:

Simplified finder chart for HR3458.

Visibility of HR3458 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 HR3458 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: 85.7° RISE 10:44

Max altitude: 42.9° TRANSIT 17:04

Azimuth: 274.3° SET 23:24

RIGHT NOW HR3458 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR3458

The image below is a photograph of HR3458 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 HR3458 is -0.032 arcsec per year in Right Ascension and -0.005 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR3458. The red arrow shows the motion of HR3458 during the next 10000 years (-5.33 arcmin in Right Ascension and -0.83 arcmin in declination);

Distance of HR3458 from the Sun and relative movement

HR3458 is distant 737.56 light years from the Sun and it is moving far from the Sun at the speed of 34 kilometers per second.

Distance (parsec) 226.24 pc

Distance (light year) 737.56 ly

Heliocentric radial velocity 34 km/s

Proper Motion RA -0.032 arcsec/year

Proper Motion Dec -0.005 arcsec/year

Spectral properties of HR3458

HR3458 belongs to spectral class B9 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude -0.40

Spectral Type B9III

Color Index (B-V) -0.06

Temperature of HR3458 10941K

The red dot in the diagram below shows where HR3458 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR3458. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR3458

Henry Draper Catalogue HD74393

SAO Catalogue SAO117069

Hipparcos Catalogue HIP42854

Durchmusterung Catalogue BD+04 2029

In Evidence

Other stars in Hydra