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: 6:55  
clear_day Transit: 12:49  
SunsetSet: 18:41 south
sunny DaytimeWhat's Visible Now
All Constellations » Lynx » 


Altitude: 49.2°   Azimuth: 276.4°   Direction: West

HR3809 is a giant star in the constellation of Lynx.

HR3809 visual magnitude is 4.81. Because of its moderate brightness, HR3809 should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.

The table below summarizes the key facts about HR3809:


HR3809 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 49.2°
Azimuth: 276.4°
Direction: West

Celestial coordinates and finder chart of HR3809

HR3809 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 HR3809 are provided in the following table:

09h 35m 03s
+39° 37’ 17”

The simplified sky map below shows the position of HR3809 in the sky:

Finder chart HR3809 star
Simplified finder chart for HR3809.

Visibility of HR3809 from your location

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

HR3809 is circumpolar and transits at 09:03 UTC (altitude: 78.1°)

Digitized Sky Survey image of HR3809

The image below is a photograph of HR3809 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 HR3809 is -0.03 arcsec per year in Right Ascension and 0.022 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR3809 star
DSS2 image of HR3809. The red arrow shows the motion of HR3809 during the next 10000 years (-5.00 arcmin in Right Ascension and 3.67 arcmin in declination);

Distance of HR3809 from the Sun and relative movement

HR3809 is distant 229.09 light years from the Sun and it is moving towards the Sun at the speed of 12 kilometers per second.

70.27 pc
229.09 ly
-12 km/s
-0.03 arcsec/year
0.022 arcsec/year

Spectral properties of HR3809

HR3809 belongs to spectral class G9 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR3809 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR3809. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR3809