HR4637

Below the horizon. Rise: 11:38 | Tran: 17:36 | Set: 23:38

Alt: -5.71° Az: 218.14° Direction: South-West

HR4637 is a giant star of spectral class G6 in the constellation of Centaurus.

HR4637 visual magnitude is 6.23. Because of its faintness, HR4637 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 HR4637. The red arrow shows the motion of HR4637 during the next 1000 years (-3.47 arcmin in Right Ascension and -1.12 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 12h 12m 52s

Declination -51° 30’ 04”

Hour Angle 06h 36m 34s

Sidereal Time 18h 49m 26s

J2000

Right Ascension 12h 11m 31s

Declination -51° 21’ 33”

Galactic Coordinates

Galactic Longitude 296.61°

Galactic Latitude 11.02°

Finder Chart

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Finder chart for HR4637.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.23

Class Giant

Absolute magnitude 2.59

Spectral Type G6III

Color Index (B-V) 0.82

Temperature 5221K

The red dot in the diagram below shows where HR4637 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4637. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR4637 is distant 174.05 light years from the Sun and it is moving far from the Sun at the speed of 26 kilometers per second.

Distance (parsec) 53.39

Distance (light year) 174.05

Radial Speed 26 km/s

Proper Motion RA -0.208 arcsec/y

Proper Motion Dec -0.067"/y

Alternative Designations

Henry Draper Catalogue HD105920

SAO Catalogue SAO239735

Hipparcos Catalogue HIP59439

Durchmusterung Catalogue CD-50 6752

Visibility from Your Location

Today's HR4637 rise, transit and set times from Cayambe, Ecuador are the following (all times relative to the local timezone America/Guayaquil):

Azimuth: 141.5° RISE 11:38

Max altitude: 38.5° TRANSIT 17:36

Azimuth: 218.5° SET 23:38

Name:	Cayambe, Ecuador
Latitude:	0° 2' 27.0" N
Longitude:	78° 8' 42.7" W
Timezone:	America/Guayaquil

Set Location

Other stars in Centaurus