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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 Astronomical TwilightWhat's Visible Now?
All Constellations » Monoceros » 

HR2234

Altitude: -38.9°   Azimuth: 326.7°   Direction: North-North-West

HR2234 is a double sub-giant star in the constellation of Monoceros.

HR2234 visual magnitude is 5.99. Because of its reltive faintness, HR2234 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 HR2234 is 0.025 arcsec per year in Right Ascension and -0.045 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR2234 star
DSS2 image of HR2234. The red arrow shows the motion of HR2234 during the next 10000 years (4.17 arcmin in Right Ascension and -7.50 arcmin in declination);

Key facts about HR2234

5.99
Sub-giant

HR2234 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -38.9°
Azimuth: 326.7°
Direction: North-North-West

Celestial coordinates and finder chart of HR2234

HR2234 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 HR2234 are provided in the following table:

06h 15m 29s
-04° 54’ 55”
213.24°
-10.23°
Monoceros

The simplified sky map below shows the position of HR2234 in the sky:

Finder chart HR2234 star
Simplified finder chart for HR2234.

Visibility of HR2234 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 HR2234 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: 94.9°
Max altitude: 33.6°
Azimuth: 265.1°

Distance of HR2234 from the Sun and relative movement

HR2234 is distant 216.90 light years from the Sun and it is moving far from the Sun at the speed of 31 kilometers per second.

66.53 pc
216.90 ly
31 km/s
0.025 arcsec/year
-0.045 arcsec/year

Spectral properties of HR2234

HR2234 belongs to spectral class A5 and has a luminosity class of IV corresponding to a sub-giant star.

1.87
A5IV
9125K

The red dot in the diagram below shows where HR2234 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR2234. Attribution: Richard Powell / CC BY-SA

HR2234 star system properties

HR2234 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 HR2234 double sysyem:

5.99
10.19
4.2
4.1 arcsec

Alternative designations of HR2234

SAO133027
SAO133027