40 Arietis

Above the horizon. Rise: 20:55 | Tran: 4:35 | Set: 12:11

Alt: 24.06° Az: 90.36° Direction: East

40 Arietis is a variable giant star of spectral class K1 in the constellation of Aries.

40 Arietis visual magnitude is 5.82. Because of its faintness, 40 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 40 Arietis. The red arrow shows the motion of 40 Arietis during the next 10000 years (7.33 arcmin in Right Ascension and -6.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 02h 49m 55s

Declination +18° 23’ 06”

Hour Angle 19h 03m 10s

Sideral Time 21h 53m 06s

J2000

Right Ascension 02h 48m 32s

Declination +18° 17’ 00”

Galactic Coordinates

Galactic Longitude 158.18°

Galactic Latitude -36.45°

Finder Chart

Simplified finder chart for 40 Arietis.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.82

Class Giant

Absolute magnitude -0.12

Spectral Type K1III

Color Index (B-V) 1.2

Temperature 4309K

The red dot in the diagram below shows where 40 Arietis is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 40 Arietis. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

40 Arietis is distant 501.54 light years from the Sun and it is moving far from the Sun at the speed of 47 kilometers per second.

Distance (parsec) 153.85

Distance (light year) 501.54

Radial Speed 47 km/s

Proper Motion RA 0.044 arcsec/y

Proper Motion Dec -0.036"/y

Alternative Designations

Flamsteed designation 40 Arietis

Henry Draper Catalogue HD17459

SAO Catalogue SAO93118

Hipparcos Catalogue HIP13108

Durchmusterung Catalogue BD+17 442

General Catalogue of Variable Stars 937

Visibility from Your Location

Today's 40 Arietis rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 71.6° RISE 20:55

Max altitude: 56.9° TRANSIT 4:35

Azimuth: 288.4° SET 12:11

Name:	Greenwich, UK
Latitude:	51° 28' 48.0" N
Longitude:	0° 0' 0.0" E
Timezone:	Europe/London

Location

Other stars in Aries