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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 6:04  
clear_day Transit: 12:06  
SunsetSet: 18:09
wb_twilight Civil TwilightWhat's Visible Now?
All Constellations » Orion » 

HR2109

Altitude: -39.8°   Azimuth: 354.8°   Direction: North

HR2109 is a giant star in the constellation of Orion.

HR2109 visual magnitude is 6.63. Because of its reltive faintness, HR2109 should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of HR2109 is -0.009 arcsec per year in Right Ascension and -0.02 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR2109 star
DSS2 image of HR2109. The red arrow shows the motion of HR2109 during the next 10000 years (-1.50 arcmin in Right Ascension and -3.33 arcmin in declination);

Key facts about HR2109

6.63
Giant

HR2109 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -39.8°
Azimuth: 354.8°
Direction: North

Celestial coordinates and finder chart of HR2109

HR2109 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 HR2109 are provided in the following table:

05h 59m 37s
-01° 26’ 39”
208.25°
-12.18°
Orion

The simplified sky map below shows the position of HR2109 in the sky:

Finder chart HR2109 star
Simplified finder chart for HR2109.

Visibility of HR2109 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 HR2109 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: 91.4°
Max altitude: 37.1°
Azimuth: 268.6°

Distance of HR2109 from the Sun and relative movement

HR2109 is distant 1,906.43 light years from the Sun and it is moving towards the Sun at the speed of 4 kilometers per second.

584.80 pc
1,906.43 ly
-4 km/s
-0.009 arcsec/year
-0.02 arcsec/year

Spectral properties of HR2109

HR2109 belongs to spectral class B8 and has a luminosity class of III corresponding to a giant star.

-2.21
B8III
11092K

The red dot in the diagram below shows where HR2109 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR2109. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR2109

SAO132723
SAO132723