HR2640

Below the horizon. Rise: 13:02 | Tran: 16:35 | Set: 20:09

Alt: -15.72° Az: 110.98° Direction: East-South-East

HR2640 is a main-sequence star of spectral class B2 in the constellation of Canis Major.

HR2640 visual magnitude is 5.63. Because of its faintness, HR2640 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 HR2640. The red arrow shows the motion of HR2640 during the next 10000 years (-1.33 arcmin in Right Ascension and 3.50 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 07h 02m 08s

Declination -25° 15’ 10”

Hour Angle 18h 25m 38s

Sidereal Time 01h 27m 47s

J2000

Right Ascension 07h 01m 05s

Declination -25° 12’ 55”

Galactic Coordinates

Galactic Longitude 236.62°

Galactic Latitude -9.23°

Finder Chart

Loading map...

Finder chart for HR2640.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.63

Class Main-sequence

Absolute magnitude -1.86

Spectral Type B2V

Color Index (B-V) -0.17

Temperature 12902K

The red dot in the diagram below shows where HR2640 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR2640. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR2640 is distant 1,028.39 light years from the Sun and it is moving far from the Sun at the speed of 6 kilometers per second.

Distance (parsec) 315.46

Distance (light year) 1,028.39

Radial Speed 6 km/s

Proper Motion RA -0.008 arcsec/y

Proper Motion Dec 0.021"/y

Alternative Designations

Henry Draper Catalogue HD52670

SAO Catalogue SAO172763

Hipparcos Catalogue HIP33804

Durchmusterung Catalogue CD-25 3911

Visibility from Your Location

Today's HR2640 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 115.3° RISE 13:02

Max altitude: 13.3° TRANSIT 16:35

Azimuth: 244.7° SET 20:09

Set Location

Other stars in Canis Major