HR6842

HR6842 is a bright giant star in the constellation of Sagittarius.

HR6842 visual magnitude is 4.65. Because of its moderate brightness, HR6842 should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.

The table below summarizes the key facts about HR6842:

Color of HR6842 ⬤

Magnitude of HR6842 4.65

Class Bright giant

VISIBILITY RIGHT NOW HR6842 is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of HR6842

HR6842 is situated south of the celestial equator, as such, it is more easily visible from the southern emisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR6842 are provided in the following table:

Right Ascension J2000 18h 18m 03s

Declination J2000 -27° 02’ 33”

Galactic Longitude 5.18°

Galactic Latitude -5.29°

Constellation Sagittarius

The simplified sky map below shows the position of HR6842 in the sky:

Simplified finder chart for HR6842.

Visibility of HR6842 from your location

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

Today's HR6842 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 117.0° RISE 3:08

Max altitude: 11.5° TRANSIT 6:27

Azimuth: 243.0° SET 9:47

RIGHT NOW HR6842 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR6842

The image below is a photograph of HR6842 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 HR6842 is 0.008 arcsec per year in Right Ascension and 0.005 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

DSS2 image of HR6842. The red arrow shows the motion of HR6842 during the next 100000 years (13.33 arcmin in Right Ascension and 8.33 arcmin in declination);

Distance of HR6842 from the Sun and relative movement

HR6842 is distant 699.57 light years from the Sun and it is moving towards the Sun at the speed of 17 kilometers per second.

Distance (parsec) 214.59 pc

Distance (light year) 699.57 ly

Heliocentric radial velocity -17 km/s

Proper Motion RA 0.008 arcsec/year

Proper Motion Dec 0.005 arcsec/year

Spectral properties of HR6842

HR6842 belongs to spectral class K3 and has a luminosity class of II corresponding to a bright giant star.

Absolute magnitude -2.01

Spectral Type K3II

Color Index (B-V) 1.66

Temperature of HR6842 3568K

The red dot in the diagram below shows where HR6842 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR6842. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR6842

Henry Draper Catalogue HD167818

SAO Catalogue SAO186612

Hipparcos Catalogue HIP89678

Durchmusterung Catalogue CD-2712684

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In Evidence

Other stars in Sagittarius