HR6998

Altitude: -24.8° Azimuth: 93.1° Direction: East

HR6998 is a main-sequence star in the constellation of Sagittarius.

HR6998 visual magnitude is 5.86. Because of its reltive faintness, HR6998 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 HR6998:

Color of HR6998 ⬤

Magnitude of HR6998 5.86

Class Main-sequence

VISIBILITY RIGHT NOW

HR6998 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -24.8°
Azimuth: 93.1°
Direction: East

Celestial coordinates and finder chart of HR6998

HR6998 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 HR6998 are provided in the following table:

Right Ascension J2000 18h 38m 53s

Declination J2000 -21° 03’ 06”

Galactic Longitude 12.73°

Galactic Latitude -6.8°

Constellation Sagittarius

The simplified sky map below shows the position of HR6998 in the sky:

Simplified finder chart for HR6998.

Visibility of HR6998 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 HR6998 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: 111.1° RISE 15:30

Max altitude: 17.5° TRANSIT 19:33

Azimuth: 248.9° SET 23:36

Digitized Sky Survey image of HR6998

The image below is a photograph of HR6998 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 HR6998 is -0.078 arcsec per year in Right Ascension and -0.152 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

DSS2 image of HR6998. The red arrow shows the motion of HR6998 during the next 1000 years (-1.30 arcmin in Right Ascension and -2.53 arcmin in declination);

Distance of HR6998 from the Sun and relative movement

HR6998 is distant 42.33 light years from the Sun and it is moving far from the Sun at the speed of 36 kilometers per second.

Distance (parsec) 12.98 pc

Distance (light year) 42.33 ly

Heliocentric radial velocity 36 km/s

Proper Motion RA -0.078 arcsec/year

Proper Motion Dec -0.152 arcsec/year

Spectral properties of HR6998

HR6998 belongs to spectral class G4 and has a luminosity class of V corresponding to a main-sequence star.

Absolute magnitude 5.29

Spectral Type G4V

Color Index (B-V) 0.68

Temperature of HR6998 5671K

The red dot in the diagram below shows where HR6998 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR6998. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR6998

Henry Draper Catalogue HD172051

SAO Catalogue SAO187086

Hipparcos Catalogue HIP91438

Durchmusterung Catalogue BD-21 5081

Gliese Catalogue Gl 722

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In Evidence

Other stars in Sagittarius