σ Arietis (sigma Arietis)

Above the horizon. Rise: 4:42 | Tran: 11:59 | Set: 19:16

Alt: 40.87° Az: 237.94° Direction: West-South-West

σ Arietis is a main-sequence star of spectral class B7 in the constellation of Aries.

σ Arietis visual magnitude is 5.49. Because of its faintness, σ Arietis is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

DSS2 image of σ Arietis. The red arrow shows the motion of σ Arietis during the next 10000 years (5.17 arcmin in Right Ascension and -4.33 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 02h 52m 53s

Declination +15° 11’ 06”

Hour Angle 02h 46m 26s

Sidereal Time 05h 39m 20s

J2000

Right Ascension 02h 51m 29s

Declination +15° 04’ 54”

Galactic Coordinates

Galactic Longitude 161.17°

Galactic Latitude -38.72°

Finder Chart

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Finder chart for σ Arietis (sigma Arietis).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.49

Class Main-sequence

Absolute magnitude -0.35

Spectral Type B7V

Color Index (B-V) -0.09

Temperature 11407K

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

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

Distance, Radial Speed, Proper Motion

σ Arietis is distant 479.41 light years from the Sun and it is moving far from the Sun at the speed of 17 kilometers per second.

Distance (parsec) 147.06

Distance (light year) 479.41

Radial Speed 17 km/s

Proper Motion RA 0.031 arcsec/y

Proper Motion Dec -0.026"/y

Alternative Designations

Bayer designation σ Arietis
(sigma Arietis)

Flamsteed designation 43 Arietis

Henry Draper Catalogue HD17769

SAO Catalogue SAO93144

Hipparcos Catalogue HIP13327

Durchmusterung Catalogue BD+14 480

FK5 Catalogue 1079

Visibility from Your Location

Today's σ Arietis (sigma Arietis) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 74.8° RISE 4:42

Max altitude: 53.7° TRANSIT 11:59

Azimuth: 285.2° SET 19:16

Set Location

Other stars in Aries