We use cookies to deliver essential features and to measure their performance. By using this site you accept our Privacy Policies.
A Complete Guide to the Solar System and the Night Sky
Donate now and help us to keep this site free and ad-free!
public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 7:41  
clear_day Transit: 11:47  
SunsetSet: 15:53 south
sleep NighttimeWhat's Visible Now?
All Constellations » Carina » 


Altitude: -78.3°   Azimuth: 146.3°   Direction: South-South-East

HR4217 is a double hypergiant star in the constellation of Carina.

HR4217 visual magnitude is 6.25. Because of its reltive faintness, HR4217 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 HR4217:


HR4217 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -78.3°
Azimuth: 146.3°
Direction: South-South-East

Celestial coordinates and finder chart of HR4217

HR4217 is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR4217 are provided in the following table:

10h 46m 16s
-60° 36’ 11”

The simplified sky map below shows the position of HR4217 in the sky:

Finder chart HR4217 star
Simplified finder chart for HR4217.

Visibility of HR4217 from your location

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

HR4217 is currently not visible from Greenwich, United Kingdom edit_location_alt

Digitized Sky Survey image of HR4217

The image below is a photograph of HR4217 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 HR4217 is -0.062 arcsec per year in Right Ascension and -0.008 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR4217 star
DSS2 image of HR4217. The red arrow shows the motion of HR4217 during the next 10000 years (-10.33 arcmin in Right Ascension and -1.33 arcmin in declination);

Distance of HR4217 from the Sun and relative movement

HR4217 is distant 365.06 light years from the Sun and it is moving far from the Sun at the speed of 8 kilometers per second.

111.98 pc
365.06 ly
8 km/s
-0.062 arcsec/year
-0.008 arcsec/year

Spectral properties of HR4217

HR4217 belongs to spectral class A0 and has a luminosity class of IV corresponding to a hypergiant star.


The red dot in the diagram below shows where HR4217 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4217. Attribution: Richard Powell / CC BY-SA

HR4217 star system properties

HR4217 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 HR4217 double sysyem:

4.2 arcsec

Alternative designations of HR4217