Your Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 4:51  
clear_day Transit: 12:56  
SunsetSet: 21:00 south
sunny DaytimeWhat's Visible Now
All Constellations » Aquarius » 


HR9027 is a hypergiant star in the constellation of Aquarius.

HR9027 visual magnitude is 5.94. Because of its reltive faintness, HR9027 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 HR9027:

HR9027 is above the horizon from Greenwich, United Kingdom edit_location_alt. Altitude: 25°.

Celestial coordinates and finder chart of HR9027

HR9027 is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR9027 are provided in the following table:

23h 50m 14s
-09° 58’ 27”

The simplified sky map below shows the position of HR9027 in the sky:

Finder chart HR9027 star
Simplified finder chart for HR9027.

Visibility of HR9027 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 HR9027 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: 100.0°
Max altitude: 28.5°
Azimuth: 260.0°
HR9027 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR9027

The image below is a photograph of HR9027 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 HR9027 is 0.14 arcsec per year in Right Ascension and 0.076 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of HR9027 star
DSS2 image of HR9027. The red arrow shows the motion of HR9027 during the next 1000 years (2.33 arcmin in Right Ascension and 1.27 arcmin in declination);

Distance of HR9027 from the Sun and relative movement

HR9027 is distant 306.68 light years from the Sun and it is moving towards the Sun at the speed of 18 kilometers per second.

94.07 pc
306.68 ly
-18 km/s
0.14 arcsec/year
0.076 arcsec/year

Spectral properties of HR9027

HR9027 belongs to spectral class K0 and has a luminosity class of IV corresponding to a hypergiant star.


The red dot in the diagram below shows where HR9027 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR9027. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR9027