HR7768

HR7768 is a hypergiant star in the constellation of Aquila.

HR7768 visual magnitude is 6.06. Because of its reltive faintness, HR7768 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 HR7768:

Color of HR7768 ⬤

Magnitude of HR7768 6.06

Class Hypergiant

VISIBILITY RIGHT NOW HR7768 is above the horizon from Greenwich, United Kingdom edit_location_alt. Altitude: 8°.

Celestial coordinates and finder chart of HR7768

HR7768 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 HR7768 are provided in the following table:

Right Ascension J2000 20h 19m 43s

Declination J2000 -01° 04’ 42”

Galactic Longitude 42.4°

Galactic Latitude -20.06°

Constellation Aquila

The simplified sky map below shows the position of HR7768 in the sky:

Simplified finder chart for HR7768.

Visibility of HR7768 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 HR7768 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: 91.1° RISE 22:57

Max altitude: 37.4° TRANSIT 4:54

Azimuth: 268.9° SET 10:46

RIGHT NOW HR7768 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR7768

The image below is a photograph of HR7768 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 HR7768 is 0.042 arcsec per year in Right Ascension and 0.033 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR7768. The red arrow shows the motion of HR7768 during the next 10000 years (7.00 arcmin in Right Ascension and 5.50 arcmin in declination);

Distance of HR7768 from the Sun and relative movement

HR7768 is distant 405.47 light years from the Sun and it is moving towards the Sun at the speed of 45 kilometers per second.

Distance (parsec) 124.38 pc

Distance (light year) 405.47 ly

Heliocentric radial velocity -45 km/s

Proper Motion RA 0.042 arcsec/year

Proper Motion Dec 0.033 arcsec/year

Spectral properties of HR7768

HR7768 belongs to spectral class K0

Absolute magnitude 0.59

Spectral Type K0

Color Index (B-V) 1.09

Temperature of HR7768 4537K

The red dot in the diagram below shows where HR7768 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR7768. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR7768

Henry Draper Catalogue HD193329

SAO Catalogue SAO144296

Hipparcos Catalogue HIP100232

Durchmusterung Catalogue BD-01 3951

In Evidence

Other stars in Aquila