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: 4:51  
clear_day Transit: 12:56  
SunsetSet: 21:00 south
sunny DaytimeWhat's Visible Now
All Constellations » Canis Minor » 


HR3136 is a double main-sequence star in the constellation of Canis Minor.

HR3136 visual magnitude is 5.65. Because of its reltive faintness, HR3136 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 HR3136:

HR3136 is above the horizon from Greenwich, United Kingdom edit_location_alt. Altitude: 4°.

Celestial coordinates and finder chart of HR3136

HR3136 is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR3136 are provided in the following table:

08h 01m 13s
+04° 52’ 46”
Canis Minor

The simplified sky map below shows the position of HR3136 in the sky:

Finder chart HR3136 star
Simplified finder chart for HR3136.

Visibility of HR3136 from your location

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

Today's HR3136 rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 85.1°
Max altitude: 43.4°
Azimuth: 274.9°
HR3136 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR3136

The image below is a photograph of HR3136 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 HR3136 is -0.038 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 HR3136 star
DSS2 image of HR3136. The red arrow shows the motion of HR3136 during the next 10000 years (-6.33 arcmin in Right Ascension and 1.50 arcmin in declination);

Distance of HR3136 from the Sun and relative movement

HR3136 is distant 346.07 light years from the Sun and it is moving far from the Sun at the speed of 46 kilometers per second.

106.16 pc
346.07 ly
46 km/s
-0.038 arcsec/year
0.009 arcsec/year

Spectral properties of HR3136

HR3136 belongs to spectral class A1 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where HR3136 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR3136. Attribution: Richard Powell / CC BY-SA

HR3136 star system properties

HR3136 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 HR3136 double sysyem:

30.1 arcsec

Alternative designations of HR3136