Your guide to the Solar System and the night sky
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🌎  Observing from: Greenwich, United Kingdom [change]
🌅 Sunrise: 6:45  ☀️ Transit: 13:03  🌅 Sunset: 19:23


HR2636 is a double bright giant star in the constellation of Monoceros.

HR2636 visual magnitude is 6.17. Because of its reltive faintness, HR2636 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 HR2636:

Bright giant
HR2636 is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of HR2636

HR2636 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 HR2636 are provided in the following table:

07h 01m 52s
-01° 20’ 44”

The simplified sky map below shows the position of HR2636 in the sky:

Finder chart HR2636 star
Simplified finder chart for HR2636.

Visibility of HR2636 from your location

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

Today's HR2636 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 91.3°
Max altitude: 37.2°
Azimuth: 268.7°
HR2636 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR2636

The image below is a photograph of HR2636 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 HR2636 is 0.01 arcsec per year in Right Ascension and -0.027 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR2636 star
DSS2 image of HR2636. The red arrow shows the motion of HR2636 during the next 10000 years (1.67 arcmin in Right Ascension and -4.50 arcmin in declination);

Distance of HR2636 from the Sun and relative movement

HR2636 is distant 423.93 light years from the Sun and it is moving towards the Sun at the speed of 45 kilometers per second.

130.04 pc
423.93 ly
-45 km/s
0.01 arcsec/year
-0.027 arcsec/year

Spectral properties of HR2636

HR2636 belongs to spectral class G5 and has a luminosity class of II corresponding to a bright giant star.


The red dot in the diagram below shows where HR2636 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR2636. Attribution: Richard Powell / CC BY-SA

HR2636 star system properties

HR2636 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 HR2636 double sysyem:

24.5 arcsec

Alternative designations of HR2636