Your Guide to the Solar System and the Night Sky
Donate now! You'll help cover server costs, enhance the site and keep it ad-free.
public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 4:47  
clear_day Transit: 12:56  
SunsetSet: 21:06 south
wb_twilight Astronomical TwilightWhat's Visible Now
All Constellations » Musca » 


HR4617 is a bright giant star in the constellation of Musca.

HR4617 visual magnitude is 5.18. Because of its reltive faintness, HR4617 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 HR4617:

Bright giant
HR4617 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of HR4617

HR4617 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 HR4617 are provided in the following table:

12h 07m 49s
-75° 22’ 00”

The simplified sky map below shows the position of HR4617 in the sky:

Finder chart HR4617 star
Simplified finder chart for HR4617.

Visibility of HR4617 from your location

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

HR4617 is currently not visible from Greenwich, United Kingdom edit_location_alt

Digitized Sky Survey image of HR4617

The image below is a photograph of HR4617 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 HR4617 is -0.098 arcsec per year in Right Ascension and 0.019 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of HR4617 star
DSS2 image of HR4617. The red arrow shows the motion of HR4617 during the next 1000 years (-1.63 arcmin in Right Ascension and 0.32 arcmin in declination);

Distance of HR4617 from the Sun and relative movement

HR4617 is distant 437.58 light years from the Sun and it is moving towards the Sun at the speed of 45 kilometers per second.

134.23 pc
437.58 ly
-45 km/s
-0.098 arcsec/year
0.019 arcsec/year

Spectral properties of HR4617

HR4617 belongs to spectral class K2 and has a luminosity class of II corresponding to a bright giant star.


The red dot in the diagram below shows where HR4617 is situated in the HertzsprungÔÇôRussell diagram.

HR Diagram
H-R diagram showing the position of HR4617. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4617