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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: 6:04  
clear_day Transit: 12:06  
SunsetSet: 18:09
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All Constellations » Scorpius » 

HR6546

Altitude: -18.0°   Azimuth: 229.8°   Direction: South-West

HR6546 is a variable hypergiant star in the constellation of Scorpius.

HR6546 visual magnitude is 4.29. Because of its moderate brightness, HR6546 should be easily visible from locations with dark skies, while it can be barely visible, or not visible at all, from skies affected by light pollution.

The proper motion of HR6546 is -0.012 arcsec per year in Right Ascension and -0.201 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of HR6546 star
DSS2 image of HR6546. The red arrow shows the motion of HR6546 during the next 1000 years (-0.20 arcmin in Right Ascension and -3.35 arcmin in declination);

Key facts about HR6546

4.29
Hypergiant

HR6546 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -18.0°
Azimuth: 229.8°
Direction: South-West

Celestial coordinates and finder chart of HR6546

HR6546 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 HR6546 are provided in the following table:

17h 36m 32s
-38° 38’ 07”
350.77°
-3.53°
Scorpius

The simplified sky map below shows the position of HR6546 in the sky:

Finder chart HR6546 star
Simplified finder chart for HR6546.

Visibility of HR6546 from your location

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

HR6546 is currently not visible from Greenwich, United Kingdom edit_location_alt

Distance of HR6546 from the Sun and relative movement

HR6546 is distant 143.99 light years from the Sun and it is moving towards the Sun at the speed of 49 kilometers per second.

44.17 pc
143.99 ly
-49 km/s
-0.012 arcsec/year
-0.201 arcsec/year

Spectral properties of HR6546

HR6546 belongs to spectral class K0 and has a luminosity class of III corresponding to a hypergiant star.

1.06
K0III
4537K

The red dot in the diagram below shows where HR6546 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR6546. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR6546

SAO209019
SAO209019