HR4068

HR4068 is a giant star in the constellation of Hydra.

HR4068 visual magnitude is 6.51. Because of its reltive faintness, HR4068 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 HR4068:

Color of HR4068 ⬤

Magnitude of HR4068 6.51

Class Giant

VISIBILITY RIGHT NOW HR4068 is above the horizon from Greenwich, United Kingdom edit_location_alt. Altitude: 9°.

Celestial coordinates and finder chart of HR4068

HR4068 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 HR4068 are provided in the following table:

Right Ascension J2000 10h 21m 07s

Declination J2000 -17° 59’ 05”

Galactic Longitude 259.77°

Galactic Latitude 32.01°

Constellation Hydra

The simplified sky map below shows the position of HR4068 in the sky:

Simplified finder chart for HR4068.

Visibility of HR4068 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 HR4068 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: 108.0° RISE 14:26

Max altitude: 20.5° TRANSIT 18:49

Azimuth: 252.0° SET 23:11

RIGHT NOW HR4068 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR4068

The image below is a photograph of HR4068 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 HR4068 is -0.051 arcsec per year in Right Ascension and -0.028 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR4068. The red arrow shows the motion of HR4068 during the next 10000 years (-8.50 arcmin in Right Ascension and -4.67 arcmin in declination);

Distance of HR4068 from the Sun and relative movement

HR4068 is distant 189.10 light years from the Sun and it is moving far from the Sun at the speed of 23 kilometers per second.

Distance (parsec) 58.00 pc

Distance (light year) 189.10 ly

Heliocentric radial velocity 23 km/s

Proper Motion RA -0.051 arcsec/year

Proper Motion Dec -0.028 arcsec/year

Spectral properties of HR4068

HR4068 belongs to spectral class F3 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude 2.69

Spectral Type F3III

Color Index (B-V) 0.4

Temperature of HR4068 6880K

The red dot in the diagram below shows where HR4068 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4068. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4068

Henry Draper Catalogue HD89747

SAO Catalogue SAO155920

Hipparcos Catalogue HIP50693

Durchmusterung Catalogue BD-17 3129

In Evidence

Other stars in Hydra