Your Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 4:44  
clear_day Transit: 12:57  
SunsetSet: 21:11 south
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All Constellations » Ara » 

HR6423

Altitude: -85.1°   Azimuth: 283.8°   Direction: West-North-West

HR6423 is a giant star in the constellation of Ara.

HR6423 visual magnitude is 6.27. Because of its reltive faintness, HR6423 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 HR6423:

6.27
Giant

HR6423 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -85.1°
Azimuth: 283.8°
Direction: West-North-West

Celestial coordinates and finder chart of HR6423

HR6423 is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR6423 are provided in the following table:

17h 19m 30s
-50° 03’ 47”
339.5°
-7.27°
Ara

The simplified sky map below shows the position of HR6423 in the sky:

Finder chart HR6423 star
Simplified finder chart for HR6423.

Visibility of HR6423 from your location

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

HR6423 is currently not visible from Greenwich, United Kingdom edit_location_alt

Digitized Sky Survey image of HR6423

The image below is a photograph of HR6423 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 HR6423 is -0.014 arcsec per year in Right Ascension and -0.015 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR6423 star
DSS2 image of HR6423. The red arrow shows the motion of HR6423 during the next 10000 years (-2.33 arcmin in Right Ascension and -2.50 arcmin in declination);

Distance of HR6423 from the Sun and relative movement

HR6423 is distant 181.62 light years from the Sun and it is moving far from the Sun at the speed of 11 kilometers per second.

55.71 pc
181.62 ly
11 km/s
-0.014 arcsec/year
-0.015 arcsec/year

Spectral properties of HR6423

HR6423 belongs to spectral class F8 and has a luminosity class of III corresponding to a giant star.

2.54
F8III
6827K

The red dot in the diagram below shows where HR6423 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR6423. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR6423

SAO244631
SAO244631