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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 6:46  
clear_day Transit: 12:11  
SunsetSet: 17:36
wb_twilight Civil TwilightWhat's Visible Now?
All Constellations » Hydra » 


Altitude: -34.8°   Azimuth: 101.0°   Direction: East

HR4473 is a giant star in the constellation of Hydra.

HR4473 visual magnitude is 6.29. Because of its reltive faintness, HR4473 should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of HR4473 is -0.011 arcsec per year in Right Ascension and -0.079 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR4473 star
DSS2 image of HR4473. The red arrow shows the motion of HR4473 during the next 10000 years (-1.83 arcmin in Right Ascension and -13.17 arcmin in declination);

Key facts about HR4473


HR4473 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -34.8°
Azimuth: 101.0°
Direction: East

Celestial coordinates and finder chart of HR4473

HR4473 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 HR4473 are provided in the following table:

11h 37m 01s
-32° 59’ 17”

The simplified sky map below shows the position of HR4473 in the sky:

Finder chart HR4473 star
Simplified finder chart for HR4473.

Visibility of HR4473 from your location

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

Today's HR4473 rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 123.0°
Max altitude: 5.5°
Azimuth: 237.0°

Distance of HR4473 from the Sun and relative movement

HR4473 is distant 233.86 light years from the Sun and it is moving far from the Sun at the speed of 10 kilometers per second.

71.74 pc
233.86 ly
10 km/s
-0.011 arcsec/year
-0.079 arcsec/year

Spectral properties of HR4473

HR4473 belongs to spectral class F6 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR4473 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4473. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4473