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: 4:48  
clear_day Transit: 12:56  
SunsetSet: 21:05 south
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All Constellations » Aries » 

33 Arietis

33 Arietis is a double main-sequence star in the constellation of Aries.

33 Arietis visual magnitude is 5.3. Because of its reltive faintness, 33 Arietis 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 33 Arietis:

33 Arietis is above the horizon from Greenwich, United Kingdom edit_location_alt. Altitude: 18°.

Celestial coordinates and finder chart of 33 Arietis

33 Arietis 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 33 Arietis are provided in the following table:

02h 40m 41s
+27° 03’ 38”

The simplified sky map below shows the position of 33 Arietis in the sky:

Finder chart 33 Arietis star
Simplified finder chart for 33 Arietis.

Visibility of 33 Arietis 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 33 Arietis 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: 62.9°
Max altitude: 65.6°
Azimuth: 297.1°
33 Arietis is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of 33 Arietis

The image below is a photograph of 33 Arietis 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 33 Arietis is 0.067 arcsec per year in Right Ascension and -0.031 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 33 Arietis star
DSS2 image of 33 Arietis. The red arrow shows the motion of 33 Arietis during the next 10000 years (11.17 arcmin in Right Ascension and -5.17 arcmin in declination);

Distance of 33 Arietis from the Sun and relative movement

33 Arietis is distant 233.36 light years from the Sun and it is moving far from the Sun at the speed of 17 kilometers per second.

71.58 pc
233.36 ly
17 km/s
0.067 arcsec/year
-0.031 arcsec/year

Spectral properties of 33 Arietis

33 Arietis belongs to spectral class A3 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where 33 Arietis is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 33 Arietis. Attribution: Richard Powell / CC BY-SA

33 Arietis star system properties

33 Arietis 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 33 Arietis double sysyem:

28.6 arcsec

Alternative designations of 33 Arietis