Your guide to the Solar System and the night sky
Please donate now to help keep TheSkyLive ads-free. This site cannot run without your voluntary donations.
🌎  Greenwich, United Kingdom [change]


HR3509 is a hypergiant star in the constellation of Lynx.

HR3509 visual magnitude is 5.99. Because of its reltive faintness, HR3509 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 HR3509:

HR3509 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 70°.

Celestial coordinates and finder chart of HR3509

HR3509 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 HR3509 are provided in the following table:

08h 52m 11s
+45° 18’ 45”

The simplified sky map below shows the position of HR3509 in the sky:

Finder chart HR3509 star
Simplified finder chart for HR3509.

Visibility of HR3509 from your location

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

HR3509 is circumpolar and transits at 13:50 UTC (altitude: 83.8°)

Digitized Sky Survey image of HR3509

The image below is a photograph of HR3509 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 HR3509 is -0.026 arcsec per year in Right Ascension and -0.037 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR3509 star
DSS2 image of HR3509. The red arrow shows the motion of HR3509 during the next 10000 years (-4.33 arcmin in Right Ascension and -6.17 arcmin in declination);

Distance of HR3509 from the Sun and relative movement

HR3509 is distant 537.95 light years from the Sun and it is moving far from the Sun at the speed of 12 kilometers per second.

165.02 pc
537.95 ly
12 km/s
-0.026 arcsec/year
-0.037 arcsec/year

Spectral properties of HR3509

HR3509 belongs to spectral class K0 and has a luminosity class of III corresponding to a hypergiant star.


The red dot in the diagram below shows where HR3509 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR3509. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR3509