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

HR511

HR511 is a double hypergiant star in the constellation of Cassiopeia.

HR511 visual magnitude is 5.63. Because of its reltive faintness, HR511 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 HR511:

5.63
Hypergiant
HR511 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 28°.

Celestial coordinates and finder chart of HR511

HR511 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 HR511 are provided in the following table:

01h 47m 44s
+63° 51’ 07”
129.08°
1.66°
Cassiopeia

The simplified sky map below shows the position of HR511 in the sky:

Finder chart HR511 star
Simplified finder chart for HR511.

Visibility of HR511 from your location

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

HR511 is circumpolar and transits at 16:37 UTC (altitude: 77.6°)

Digitized Sky Survey image of HR511

The image below is a photograph of HR511 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 HR511 is 0.582 arcsec per year in Right Ascension and -0.255 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of HR511 star
DSS2 image of HR511. The red arrow shows the motion of HR511 during the next 1000 years (9.70 arcmin in Right Ascension and -4.25 arcmin in declination);

Distance of HR511 from the Sun and relative movement

HR511 is distant 32.52 light years from the Sun and it is moving far from the Sun at the speed of 3 kilometers per second.

9.98 pc
32.52 ly
3 km/s
0.582 arcsec/year
-0.255 arcsec/year

Spectral properties of HR511

HR511 belongs to spectral class K0 and has a luminosity class of V corresponding to a hypergiant star.

5.64
K0V
5251K

The red dot in the diagram below shows where HR511 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR511. Attribution: Richard Powell / CC BY-SA

HR511 star system properties

HR511 is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the HR511 double sysyem:

5.63
8.73
3.1
91.1 arcsec

Alternative designations of HR511

SAO11983
SAO11983