HR1640

Above the horizon. Rise: 0:12 | Tran: 4:59 | Set: 9:43

Alt: 1.79° Az: 115.91° Direction: East-South-East

HR1640 is a sub-giant star of spectral class B2 in the constellation of Lepus.

HR1640 visual magnitude is 6.41. Because of its faintness, HR1640 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 HR1640. The red arrow shows the motion of HR1640 during the next 10000 years (-1.50 arcmin in Right Ascension and 5.50 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 05h 04m 59s

Declination -14° 20’ 10”

Hour Angle 19h 27m 32s

Sideral Time 00h 32m 32s

J2000

Right Ascension 05h 03m 51s

Declination -14° 22’ 09”

Galactic Coordinates

Galactic Longitude 214.33°

Galactic Latitude -30.21°

Finder Chart

Simplified finder chart for HR1640.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.41

Class Sub-giant

Absolute magnitude -1.63

Spectral Type B2IV

Color Index (B-V) -0.18

Temperature 13121K

The red dot in the diagram below shows where HR1640 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR1640. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR1640 is distant 1,319.84 light years from the Sun and it is moving far from the Sun at the speed of 16 kilometers per second.

Distance (parsec) 404.86

Distance (light year) 1,319.84

Radial Speed 16 km/s

Proper Motion RA -0.009 arcsec/y

Proper Motion Dec 0.033"/y

Alternative Designations

Henry Draper Catalogue HD32612

SAO Catalogue SAO150109

Hipparcos Catalogue HIP23551

Durchmusterung Catalogue BD-14 1027

Visibility from Your Location

Today's HR1640 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 104.3° RISE 0:12

Max altitude: 24.2° TRANSIT 4:59

Azimuth: 255.7° SET 9:43

Set Location

Other stars in Lepus