Your guide to the Solar System and the night sky
🌎 Location: Greenwich, United Kingdom [change]

HR906

HR906 is a variable and double giant star in the constellation of Cepheus.

HR906 visual magnitude is 5.95. Because of its reltive faintness, HR906 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 HR906:

5.95
Giant
HR906 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 60°.

Celestial coordinates and finder chart of HR906

HR906 is situated close to the northern celestial pole and, as such, it is visible for most part of the year from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR906 are provided in the following table:

03h 11m 42s
+81° 28’ 14”
128.14°
20.05°
Cepheus

The simplified sky map below shows the position of HR906 in the sky:

Finder chart HR906 star
Simplified finder chart for HR906.

Visibility of HR906 from your location

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

HR906 is circumpolar and transits at 05:39 UTC (altitude: 60.0°)

Digitized Sky Survey image of HR906

The image below is a photograph of HR906 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 HR906 is -0.04 arcsec per year in Right Ascension and -0.009 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR906 star
DSS2 image of HR906. The red arrow shows the motion of HR906 during the next 10000 years (-6.67 arcmin in Right Ascension and -1.50 arcmin in declination);

Distance of HR906 from the Sun and relative movement

HR906 is distant 202.11 light years from the Sun and it is moving towards the Sun at the speed of 3 kilometers per second.

62.00 pc
202.11 ly
-3 km/s
-0.04 arcsec/year
-0.009 arcsec/year

Spectral properties of HR906

HR906 belongs to spectral class A7 and has a luminosity class of III corresponding to a giant star.

1.99
A7III
8571K

The red dot in the diagram below shows where HR906 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR906. Attribution: Richard Powell / CC BY-SA

HR906 star system properties

HR906 is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the HR906 double sysyem:

5.95
10.95
5
24.2 arcsec

Alternative designations of HR906

SAO500
SAO500