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🌎  Greenwich, United Kingdom [change]


HR6221 is a hypergiant star in the constellation of Scorpius.

HR6221 visual magnitude is 5.48. Because of its reltive faintness, HR6221 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 HR6221:

HR6221 is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of HR6221

HR6221 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 HR6221 are provided in the following table:

16h 46m 47s
-39° 22’ 37”

The simplified sky map below shows the position of HR6221 in the sky:

Finder chart HR6221 star
Simplified finder chart for HR6221.

Visibility of HR6221 from your location

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

HR6221 is currently not visible from Greenwich, United Kingdom [change]

Digitized Sky Survey image of HR6221

The image below is a photograph of HR6221 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 HR6221 is -0.032 arcsec per year in Right Ascension and -0.034 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR6221 star
DSS2 image of HR6221. The red arrow shows the motion of HR6221 during the next 10000 years (-5.33 arcmin in Right Ascension and -5.67 arcmin in declination);

Distance of HR6221 from the Sun and relative movement

HR6221 is distant 369.20 light years from the Sun and it is moving towards the Sun at the speed of 9 kilometers per second.

113.25 pc
369.20 ly
-9 km/s
-0.032 arcsec/year
-0.034 arcsec/year

Spectral properties of HR6221

HR6221 belongs to spectral class K0 and has a luminosity class of III corresponding to a hypergiant star.


The red dot in the diagram below shows where HR6221 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR6221. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR6221