Your guide to the Solar System and the night sky
Please donate now to help keep TheSkyLive ads-free. This site cannot run without your voluntary donations.
🌎  Greenwich, United Kingdom [change]

HR6420

HR6420 is a main-sequence star in the constellation of Scorpius.

HR6420 visual magnitude is 5.76. Because of its reltive faintness, HR6420 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 HR6420:

5.76
Main-sequence
HR6420 is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of HR6420

HR6420 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 HR6420 are provided in the following table:

17h 18m 47s
-44° 07’ 46”
344.34°
-3.8°
Scorpius

The simplified sky map below shows the position of HR6420 in the sky:

Finder chart HR6420 star
Simplified finder chart for HR6420.

Visibility of HR6420 from your location

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

HR6420 is currently not visible from Greenwich, United Kingdom [change]

Digitized Sky Survey image of HR6420

The image below is a photograph of HR6420 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 HR6420 is 0 arcsec per year in Right Ascension and -0.021 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR6420 star
DSS2 image of HR6420. The red arrow shows the motion of HR6420 during the next 10000 years (0.00 arcmin in Right Ascension and -3.50 arcmin in declination);

Distance of HR6420 from the Sun and relative movement

HR6420 is distant 338.88 light years from the Sun and it is moving towards the Sun at the speed of 12 kilometers per second.

103.95 pc
338.88 ly
-12 km/s
-0.021 arcsec/year

Spectral properties of HR6420

HR6420 belongs to spectral class B9 and has a luminosity class of V corresponding to a main-sequence star.

0.68
B9V
10795K

The red dot in the diagram below shows where HR6420 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR6420. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR6420

SAO227813
SAO227813