HR2639

Above the horizon. Rise: 8:26 | Tran: 13:55 | Set: 19:24

Alt: 27.98° Az: 211.79° Direction: South-West

HR2639 is a variable giant star of spectral class M2 in the constellation of Monoceros.

HR2639 visual magnitude is 5.2. Because of its faintness, HR2639 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 HR2639. The red arrow shows the motion of HR2639 during the next 10000 years (-2.67 arcmin in Right Ascension and 0.17 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 07h 03m 11s

Declination -05° 45’ 37”

Hour Angle 01h 51m 31s

Sidereal Time 08h 54m 42s

J2000

Right Ascension 07h 01m 56s

Declination -05° 43’ 19”

Galactic Coordinates

Galactic Longitude 219.22°

Galactic Latitude -0.28°

Finder Chart

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Finder chart for HR2639.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.2

Class Giant

Absolute magnitude -1.40

Spectral Type M2III

Color Index (B-V) 1.68

Temperature 3541K

The red dot in the diagram below shows where HR2639 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR2639. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR2639 is distant 682.01 light years from the Sun and it is moving far from the Sun at the speed of 3 kilometers per second.

Distance (parsec) 209.21

Distance (light year) 682.01

Radial Speed 3 km/s

Proper Motion RA -0.016 arcsec/y

Proper Motion Dec 0.001"/y

Alternative Designations

Henry Draper Catalogue HD52666

SAO Catalogue SAO134076

Hipparcos Catalogue HIP33878

Durchmusterung Catalogue BD-05 1926

General Catalogue of Variable Stars 3341

Visibility from Your Location

Today's HR2639 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 95.8° RISE 8:26

Max altitude: 32.8° TRANSIT 13:55

Azimuth: 264.2° SET 19:24

Set Location

Other stars in Monoceros