HR8772

HR8772 is a main-sequence star in the constellation of Aquarius.

HR8772 visual magnitude is 6.68. Because of its reltive faintness, HR8772 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 HR8772:

Color of HR8772 ⬤

Magnitude of HR8772 6.68

Class Main-sequence

VISIBILITY RIGHT NOW HR8772 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 23°.

Celestial coordinates and finder chart of HR8772

HR8772 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 HR8772 are provided in the following table:

Right Ascension J2000 23h 03m 57s

Declination J2000 -04° 47’ 43”

Galactic Longitude 69.23°

Galactic Latitude -56.02°

Constellation Aquarius

The simplified sky map below shows the position of HR8772 in the sky:

Simplified finder chart for HR8772.

Visibility of HR8772 from your location

Location: Greenwich, United Kingdom [change]
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

Today's HR8772 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 94.8° RISE 5:19

Max altitude: 33.7° TRANSIT 10:53

Azimuth: 265.2° SET 16:27

RIGHT NOW HR8772 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR8772

The image below is a photograph of HR8772 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 HR8772 is 0.32 arcsec per year in Right Ascension and 0.028 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

DSS2 image of HR8772. The red arrow shows the motion of HR8772 during the next 1000 years (5.33 arcmin in Right Ascension and 0.47 arcmin in declination);

Distance of HR8772 from the Sun and relative movement

HR8772 is distant 100.31 light years from the Sun and it is moving towards the Sun at the speed of 14 kilometers per second.

Distance (parsec) 30.77 pc

Distance (light year) 100.31 ly

Heliocentric radial velocity -14 km/s

Proper Motion RA 0.32 arcsec/year

Proper Motion Dec 0.028 arcsec/year

Spectral properties of HR8772

HR8772 belongs to spectral class F8 and has a luminosity class of V corresponding to a main-sequence star.

Absolute magnitude 4.24

Spectral Type F8V

Color Index (B-V) 0.58

Temperature of HR8772 6047K

The red dot in the diagram below shows where HR8772 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR8772. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR8772

Henry Draper Catalogue HD217877

SAO Catalogue SAO146482

Hipparcos Catalogue HIP113896

Durchmusterung Catalogue BD-05 5917

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In Evidence

Other stars in Aquarius