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🌎  Greenwich, United Kingdom [change]

HR4417

HR4417 is a double hypergiant star in the constellation of Centaurus.

HR4417 visual magnitude is 5.81. Because of its reltive faintness, HR4417 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 HR4417:

5.81
Hypergiant
HR4417 is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of HR4417

HR4417 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 HR4417 are provided in the following table:

11h 26m 47s
-53° 09’ 35”
290.32°
7.63°
Centaurus

The simplified sky map below shows the position of HR4417 in the sky:

Finder chart HR4417 star
Simplified finder chart for HR4417.

Visibility of HR4417 from your location

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

HR4417 is currently not visible from Greenwich, United Kingdom [change]

Digitized Sky Survey image of HR4417

The image below is a photograph of HR4417 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 HR4417 is -0.041 arcsec per year in Right Ascension and 0.014 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR4417 star
DSS2 image of HR4417. The red arrow shows the motion of HR4417 during the next 10000 years (-6.83 arcmin in Right Ascension and 2.33 arcmin in declination);

Distance of HR4417 from the Sun and relative movement

HR4417 is distant 624.52 light years from the Sun and it is moving towards the Sun at the speed of 8 kilometers per second.

191.57 pc
624.52 ly
-8 km/s
-0.041 arcsec/year
0.014 arcsec/year

Spectral properties of HR4417

HR4417 belongs to spectral class K0 and has a luminosity class of III corresponding to a hypergiant star.

-0.60
K0III
6300K

The red dot in the diagram below shows where HR4417 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4417. Attribution: Richard Powell / CC BY-SA

HR4417 star system properties

HR4417 is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the HR4417 double sysyem:

5.81
6.21
0.4
0.1 arcsec

Alternative designations of HR4417

SAO239074
SAO239074