Your guide to the Solar System and the night sky
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🌎  Greenwich, United Kingdom [change]

HR6546

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 skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.

The table below summarizes the key facts about HR6546:

4.29
Hypergiant
HR6546 is below the horizon from Greenwich, United Kingdom [change].

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 emisphere. 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 [change]
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

HR6546 is currently not visible from Greenwich, United Kingdom [change]

Digitized Sky Survey image of HR6546

The image below is a photograph of HR6546 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 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);

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