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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 6:42  
clear_day Transit: 12:10  
SunsetSet: 17:40
sunny DaytimeWhat's Visible Now?
All Constellations » Scorpius » 


Altitude: -43.1°   Azimuth: 267.7°   Direction: West

HR6397 is a variable main-sequence star in the constellation of Scorpius.

HR6397 visual magnitude is 5.53. Because of its reltive faintness, HR6397 should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of HR6397 is 0.009 arcsec per year in Right Ascension and 0 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR6397 star
DSS2 image of HR6397. The red arrow shows the motion of HR6397 during the next 100000 years (15.00 arcmin in Right Ascension and 0.00 arcmin in declination);

Key facts about HR6397


HR6397 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -43.1°
Azimuth: 267.7°
Direction: West

Celestial coordinates and finder chart of HR6397

HR6397 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 HR6397 are provided in the following table:

17h 15m 19s
-33° 32’ 53”

The simplified sky map below shows the position of HR6397 in the sky:

Finder chart HR6397 star
Simplified finder chart for HR6397.

Visibility of HR6397 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 HR6397 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: 123.5°
Max altitude: 5.0°
Azimuth: 236.5°

Distance of HR6397 from the Sun and relative movement

HR6397 is distant 4,465.75 light years from the Sun and it is moving far from the Sun at the speed of 4 kilometers per second.

1,369.86 pc
4,465.75 ly
4 km/s
0.009 arcsec/year

Spectral properties of HR6397

HR6397 belongs to spectral class O7 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where HR6397 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR6397. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR6397