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🌎  Greenwich, United Kingdom [change]


HR4664 is a hypergiant star in the constellation of Musca.

HR4664 visual magnitude is 6.22. Because of its reltive faintness, HR4664 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 HR4664:

HR4664 is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of HR4664

HR4664 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 HR4664 are provided in the following table:

12h 16m 23s
-72° 36’ 52”

The simplified sky map below shows the position of HR4664 in the sky:

Finder chart HR4664 star
Simplified finder chart for HR4664.

Visibility of HR4664 from your location

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

HR4664 is currently not visible from Greenwich, United Kingdom [change]

Digitized Sky Survey image of HR4664

The image below is a photograph of HR4664 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 HR4664 is -0.053 arcsec per year in Right Ascension and -0.026 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR4664 star
DSS2 image of HR4664. The red arrow shows the motion of HR4664 during the next 10000 years (-8.83 arcmin in Right Ascension and -4.33 arcmin in declination);

Distance of HR4664 from the Sun and relative movement

HR4664 is distant 333.33 light years from the Sun and it is moving far from the Sun at the speed of 28 kilometers per second.

102.25 pc
333.33 ly
28 km/s
-0.053 arcsec/year
-0.026 arcsec/year

Spectral properties of HR4664

HR4664 belongs to spectral class A0 and has a luminosity class of V corresponding to a hypergiant star.


The red dot in the diagram below shows where HR4664 is situated in the HertzsprungÔÇôRussell diagram.

HR Diagram
H-R diagram showing the position of HR4664. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4664