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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: 5:57  
clear_day Transit: 12:57  
SunsetSet: 19:59
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All Constellations » Chamaeleon » 

HR4507

Altitude: -46.2°   Azimuth: 186.7°   Direction: South

HR4507 is a double hypergiant star in the constellation of Chamaeleon.

HR4507 visual magnitude is 6.33. Because of its reltive faintness, HR4507 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 HR4507 is -0.071 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 HR4507 star
DSS2 image of HR4507. The red arrow shows the motion of HR4507 during the next 10000 years (-11.83 arcmin in Right Ascension and 2.50 arcmin in declination);

Key facts about HR4507

6.33
Hypergiant

HR4507 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -46.2°
Azimuth: 186.7°
Direction: South

Celestial coordinates and finder chart of HR4507

HR4507 is situated close to the southern celestial pole and, as such, it is easilty visible for most part of the year from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR4507 are provided in the following table:

11h 41m 01s
-83° 05’ 59”
300.71°
-20.53°
Chamaeleon

The simplified sky map below shows the position of HR4507 in the sky:

Finder chart HR4507 star
Simplified finder chart for HR4507.

Visibility of HR4507 from your location

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

HR4507 is currently not visible from Greenwich, United Kingdom edit_location_alt

Distance of HR4507 from the Sun and relative movement

HR4507 is distant 344.24 light years from the Sun and it is moving far from the Sun at the speed of 12 kilometers per second.

105.60 pc
344.24 ly
12 km/s
-0.071 arcsec/year
0.015 arcsec/year

Spectral properties of HR4507

HR4507 belongs to spectral class K0 and has a luminosity class of III corresponding to a hypergiant star.

1.21
K0III
4559K

The red dot in the diagram below shows where HR4507 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4507. Attribution: Richard Powell / CC BY-SA

HR4507 star system properties

HR4507 is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the HR4507 double sysyem:

6.33
11.53
5.2
22.2 arcsec

Alternative designations of HR4507

SAO258621
SAO258621