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: 4:49  
clear_day Transit: 12:56  
SunsetSet: 21:04 south
sunny DaytimeWhat's Visible Now
All Constellations » Cassiopeia » 


HR9028 is a multiple main-sequence star in the constellation of Cassiopeia.

HR9028 visual magnitude is 6.44. Because of its reltive faintness, HR9028 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 HR9028:

HR9028 is above the horizon from Greenwich, United Kingdom edit_location_alt. Altitude: 13°.

Celestial coordinates and finder chart of HR9028

HR9028 is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR9028 are provided in the following table:

23h 50m 22s
+51° 37’ 18”

The simplified sky map below shows the position of HR9028 in the sky:

Finder chart HR9028 star
Simplified finder chart for HR9028.

Visibility of HR9028 from your location

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

HR9028 is circumpolar and transits at 07:12 UTC (altitude: 89.9°)

Digitized Sky Survey image of HR9028

The image below is a photograph of HR9028 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 HR9028 is 0.123 arcsec per year in Right Ascension and -0.015 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of HR9028 star
DSS2 image of HR9028. The red arrow shows the motion of HR9028 during the next 1000 years (2.05 arcmin in Right Ascension and -0.25 arcmin in declination);

Distance of HR9028 from the Sun and relative movement

HR9028 is distant 132.09 light years from the Sun and it is moving towards the Sun at the speed of 21 kilometers per second.

40.52 pc
132.09 ly
-21 km/s
0.123 arcsec/year
-0.015 arcsec/year

Spectral properties of HR9028

HR9028 belongs to spectral class F3 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where HR9028 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR9028. Attribution: Richard Powell / CC BY-SA

HR9028 star system properties

HR9028 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 HR9028 double sysyem:

21 arcsec

Alternative designations of HR9028