HR766

HR766 is a variable giant star in the constellation of Cetus.

HR766 visual magnitude is 5.81. Because of its reltive faintness, HR766 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 HR766:

Color of HR766 ⬤

Magnitude of HR766 5.81

Class Giant

VISIBILITY RIGHT NOW HR766 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of HR766

HR766 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 HR766 are provided in the following table:

Right Ascension J2000 02h 36m 35s

Declination J2000 +07° 43’ 46”

Galactic Longitude 162.83°

Galactic Latitude -46.83°

Constellation Cetus

The simplified sky map below shows the position of HR766 in the sky:

Simplified finder chart for HR766.

Visibility of HR766 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 HR766 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: 82.3° RISE 4:20

Max altitude: 46.2° TRANSIT 10:58

Azimuth: 277.7° SET 17:35

RIGHT NOW HR766 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR766

The image below is a photograph of HR766 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 HR766 is -0.049 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 HR766. The red arrow shows the motion of HR766 during the next 10000 years (-8.17 arcmin in Right Ascension and -5.17 arcmin in declination);

Distance of HR766 from the Sun and relative movement

HR766 is distant 291.59 light years from the Sun and it is moving towards the Sun at the speed of 25 kilometers per second.

Distance (parsec) 89.45 pc

Distance (light year) 291.59 ly

Heliocentric radial velocity -25 km/s

Proper Motion RA -0.049 arcsec/year

Proper Motion Dec -0.031 arcsec/year

Spectral properties of HR766

HR766 belongs to spectral class K0

Absolute magnitude 1.05

Spectral Type K0

Color Index (B-V) 1.04

Temperature of HR766 4649K

The red dot in the diagram below shows where HR766 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR766. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR766

Henry Draper Catalogue HD16247

SAO Catalogue SAO110640

Hipparcos Catalogue HIP12148

Durchmusterung Catalogue BD+07 402

General Catalogue of Variable Stars 872

In Evidence

Other stars in Cetus