Your guide to the Solar System and the night sky
🌎 Location: Greenwich, United Kingdom [change]

HR6798

HR6798 is a multiple main-sequence star in the constellation of Sagittarius.

HR6798 visual magnitude is 6.36. Because of its reltive faintness, HR6798 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 HR6798:

6.36
Main-sequence
HR6798 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 0°.

Celestial coordinates and finder chart of HR6798

HR6798 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 HR6798 are provided in the following table:

18h 11m 14s
-19° 50’ 31”
10.79°
-0.5°
Sagittarius

The simplified sky map below shows the position of HR6798 in the sky:

Finder chart HR6798 star
Simplified finder chart for HR6798.

Visibility of HR6798 from your location

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

Today's HR6798 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 109.8°
Max altitude: 18.7°
Azimuth: 250.2°
HR6798 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR6798

The image below is a photograph of HR6798 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 HR6798 is -0.002 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.

Image of HR6798 star
DSS2 image of HR6798. The red arrow shows the motion of HR6798 during the next 10000 years (-0.33 arcmin in Right Ascension and -4.67 arcmin in declination);

Distance of HR6798 from the Sun and relative movement

HR6798 is distant 364.65 light years from the Sun and it is moving towards the Sun at the speed of 32 kilometers per second.

111.86 pc
364.65 ly
-32 km/s
-0.002 arcsec/year
-0.028 arcsec/year

Spectral properties of HR6798

HR6798 belongs to spectral class A4 and has a luminosity class of V corresponding to a main-sequence star.

1.12
A4V
8486K

The red dot in the diagram below shows where HR6798 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR6798. Attribution: Richard Powell / CC BY-SA

HR6798 star system properties

HR6798 is a visual double star which can be observed with the help of large telescopes. The table below shows key information about the HR6798 double sysyem:

6.36
6.76
0.4
1.2 arcsec

Alternative designations of HR6798

SAO161153
SAO161153