11 Arietis

Below the horizon. Rise: 2:40 | Tran: 11:07 | Set: 19:34

Alt: -12.00° Az: 10.82° Direction: North

11 Arietis is a double sub-giant star of spectral class B9 in the constellation of Aries.

11 Arietis visual magnitude is 6.15. Because of its faintness, 11 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 11 Arietis. The red arrow shows the motion of 11 Arietis during the next 10000 years (2.83 arcmin in Right Ascension and -1.83 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 02h 08m 15s

Declination +25° 49’ 29”

Hour Angle 12h 47m 03s

Sidereal Time 14h 55m 19s

J2000

Right Ascension 02h 06m 49s

Declination +25° 42’ 16”

Galactic Coordinates

Galactic Longitude 143.52°

Galactic Latitude -34.14°

Finder Chart

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Finder chart for 11 Arietis.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.15

Class Sub-giant

Absolute magnitude -1.61

Spectral Type B9IV

Color Index (B-V) -0.03

Temperature 10516K

The red dot in the diagram below shows where 11 Arietis is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 11 Arietis. Attribution: Richard Powell / CC BY-SA

Star System Properties

11 Arietis is a visual double star which can be observed with the help of medium or large telescopes. The table below shows key information about the 11 Arietis double sysyem:

Main star magnitude 6.15

Secondary star magnitude 11.65

Magnitude difference 5.5

Separation 1.6 arcsec

Distance, Radial Speed, Proper Motion

11 Arietis is distant 1,160.14 light years from the Sun and it is moving towards the Sun at the speed of 9 kilometers per second.

Distance (parsec) 355.87

Distance (light year) 1,160.14

Radial Speed -9 km/s

Proper Motion RA 0.017 arcsec/y

Proper Motion Dec -0.011"/y

Alternative Designations

Flamsteed designation 11 Arietis

Henry Draper Catalogue HD12885

SAO Catalogue SAO75149

Hipparcos Catalogue HIP9859

Durchmusterung Catalogue BD+25 349

Aitken Double Star Catalogue ADS1658

Visibility from Your Location

Today's 11 Arietis rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 64.2° RISE 2:40

Max altitude: 64.3° TRANSIT 11:07

Azimuth: 295.8° SET 19:34

Set Location

Other stars in Aries