We use cookies to deliver essential features and to measure their performance. By using this site you accept our Privacy Policies.
A Complete Guide to the Solar System and the Night Sky
Donate Now! Help keep this site free and ads-free!
public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 6:04  
clear_day Transit: 12:06  
SunsetSet: 18:09
sleep NighttimeWhat's Visible Now?
All Constellations » Draco » 

HR6540

Altitude: 61.3°   Azimuth: 57.5°   Direction: East-North-East

HR6540 is a giant star in the constellation of Draco.

HR6540 visual magnitude is 6.4. Because of its reltive faintness, HR6540 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 HR6540 is 0.03 arcsec per year in Right Ascension and -0.03 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR6540 star
DSS2 image of HR6540. The red arrow shows the motion of HR6540 during the next 10000 years (5.00 arcmin in Right Ascension and -5.00 arcmin in declination);

Key facts about HR6540

6.4
Giant

HR6540 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 61.3°
Azimuth: 57.5°
Direction: East-North-East

Celestial coordinates and finder chart of HR6540

HR6540 is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR6540 are provided in the following table:

17h 30m 43s
+57° 52’ 35”
86.25°
33.33°
Draco

The simplified sky map below shows the position of HR6540 in the sky:

Finder chart HR6540 star
Simplified finder chart for HR6540.

Visibility of HR6540 from your location

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

HR6540 is circumpolar and transits at 05:41 UTC (altitude: 83.6°)

Distance of HR6540 from the Sun and relative movement

HR6540 is distant 1,156.03 light years from the Sun and it is moving towards the Sun at the speed of 14 kilometers per second.

354.61 pc
1,156.03 ly
-14 km/s
0.03 arcsec/year
-0.03 arcsec/year

Spectral properties of HR6540

HR6540 belongs to spectral class K2 and has a luminosity class of III corresponding to a giant star.

-1.35
K2III
10125K

The red dot in the diagram below shows where HR6540 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR6540. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR6540

SAO30434
SAO30434