HR1731

Below the horizon. Rise: 0:09 | Tran: 4:41 | Set: 9:08

Alt: -55.48° Az: 353.04° Direction: North

HR1731 is a sub-giant star of spectral class B3 in the constellation of Lepus.

HR1731 visual magnitude is 6.56. Because of its faintness, HR1731 is not visible to the naked eye.

DSS2 image of HR1731. The red arrow shows the motion of HR1731 during the next 10000 years (-2.00 arcmin in Right Ascension and 3.67 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 05h 17m 54s

Declination -17° 06’ 58”

Hour Angle 11h 43m 31s

Sidereal Time 17h 01m 26s

J2000

Right Ascension 05h 16m 48s

Declination -17° 08’ 30”

Galactic Coordinates

Galactic Longitude 218.64°

Galactic Latitude -28.4°

Finder Chart

Simplified finder chart for HR1731.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.56

Class Sub-giant

Absolute magnitude -1.68

Spectral Type B3IV

Color Index (B-V) -0.16

Temperature 12692K

The red dot in the diagram below shows where HR1731 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR1731. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR1731 is distant 1,448.89 light years from the Sun and it is moving far from the Sun at the speed of 12 kilometers per second.

Distance (parsec) 444.44

Distance (light year) 1,448.89

Radial Speed 12 km/s

Proper Motion RA -0.012 arcsec/y

Proper Motion Dec 0.022"/y

Alternative Designations

Henry Draper Catalogue HD34447

SAO Catalogue SAO150295

Hipparcos Catalogue HIP24618

Durchmusterung Catalogue BD-17 1069

Visibility from Your Location

Today's HR1731 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 107.1° RISE 0:09

Max altitude: 21.4° TRANSIT 4:41

Azimuth: 252.9° SET 9:08

Set Location

Other stars in Lepus