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

HR4511

HR4511 is a variable hypergiant star in the constellation of Centaurus.

HR4511 visual magnitude is 5.03. Because of its reltive faintness, HR4511 should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about HR4511:

5.03
Hypergiant
HR4511 is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of HR4511

HR4511 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 HR4511 are provided in the following table:

11h 43m 31s
-62° 29’ 21”
295.18°
-0.64°
Centaurus

The simplified sky map below shows the position of HR4511 in the sky:

Finder chart HR4511 star
Simplified finder chart for HR4511.

Visibility of HR4511 from your location

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

HR4511 is currently not visible from Greenwich, United Kingdom [change]

Digitized Sky Survey image of HR4511

The image below is a photograph of HR4511 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 HR4511 is -0.008 arcsec per year in Right Ascension and 0.003 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR4511 star
DSS2 image of HR4511. The red arrow shows the motion of HR4511 during the next 100000 years (-13.33 arcmin in Right Ascension and 5.00 arcmin in declination);

Distance of HR4511 from the Sun and relative movement

HR4511 is distant 2,566.93 light years from the Sun and it is moving far from the Sun at the speed of 10 kilometers per second.

787.40 pc
2,566.93 ly
10 km/s
-0.008 arcsec/year
0.003 arcsec/year

Spectral properties of HR4511

HR4511 belongs to spectral class G0 and has a luminosity class of I corresponding to a hypergiant star.

-4.45
G0I
5281K

The red dot in the diagram below shows where HR4511 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4511. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4511

SAO251555
SAO251555