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🌎  Greenwich, United Kingdom [change]

HR6989

HR6989 is a multiple sub-giant star in the constellation of Scutum.

HR6989 visual magnitude is 6.47. Because of its reltive faintness, HR6989 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 HR6989:

6.47
Sub-giant
HR6989 is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of HR6989

HR6989 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 HR6989 are provided in the following table:

18h 38m 04s
-14° 00’ 16”
18.95°
-3.44°
Scutum

The simplified sky map below shows the position of HR6989 in the sky:

Finder chart HR6989 star
Simplified finder chart for HR6989.

Visibility of HR6989 from your location

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

Today's HR6989 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 104.0°
Max altitude: 24.5°
Azimuth: 256.0°
HR6989 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR6989

The image below is a photograph of HR6989 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 HR6989 is 0.019 arcsec per year in Right Ascension and 0.002 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR6989 star
DSS2 image of HR6989. The red arrow shows the motion of HR6989 during the next 10000 years (3.17 arcmin in Right Ascension and 0.33 arcmin in declination);

Distance of HR6989 from the Sun and relative movement

HR6989 is distant 693.62 light years from the Sun and it is moving towards the Sun at the speed of 19 kilometers per second.

212.77 pc
693.62 ly
-19 km/s
0.019 arcsec/year
0.002 arcsec/year

Spectral properties of HR6989

HR6989 belongs to spectral class B9 and has a luminosity class of IV corresponding to a sub-giant star.

-0.17
B9IV
8086K

The red dot in the diagram below shows where HR6989 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR6989. Attribution: Richard Powell / CC BY-SA

HR6989 star system properties

HR6989 is a visual double star which can be observed with the help of medium or large telescopes. The table below shows key information about the HR6989 double sysyem:

6.47
11.27
4.8
2 arcsec

Alternative designations of HR6989

SAO161687
SAO161687