HR4618

Below the horizon. Rise: 11:35 | Tran: 17:33 | Set: 23:34

Alt: -6.33° Az: 218.77° Direction: South-West

HR4618 is a multiple giant star of spectral class B6 in the constellation of Centaurus.

HR4618 visual magnitude is 4.47. Because of its moderate brightness, HR4618 is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

DSS2 image of HR4618. The red arrow shows the motion of HR4618 during the next 10000 years (-5.83 arcmin in Right Ascension and -1.67 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 12h 09m 25s

Declination -50° 48’ 11”

Hour Angle 06h 39m 57s

Sidereal Time 18h 49m 22s

J2000

Right Ascension 12h 08m 05s

Declination -50° 39’ 41”

Galactic Coordinates

Galactic Longitude 295.94°

Galactic Latitude 11.62°

Finder Chart

Loading map...

Finder chart for HR4618.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.47

Class Giant

Absolute magnitude -0.84

Spectral Type B6III

Color Index (B-V) -0.15

Temperature 12489K

The red dot in the diagram below shows where HR4618 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4618. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR4618 is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the HR4618 double sysyem:

Main star magnitude 4.47

Secondary star magnitude 6.37

Magnitude difference 1.9

Separation 268.6 arcsec

Distance, Radial Speed, Proper Motion

HR4618 is distant 375.58 light years from the Sun and it is moving far from the Sun at the speed of 17 kilometers per second.

Distance (parsec) 115.21

Distance (light year) 375.58

Radial Speed 17 km/s

Proper Motion RA -0.035 arcsec/y

Proper Motion Dec -0.01"/y

Alternative Designations

Henry Draper Catalogue HD105382

SAO Catalogue SAO239687

Hipparcos Catalogue HIP59173

Durchmusterung Catalogue CD-49 6813

Visibility from Your Location

Today's HR4618 rise, transit and set times from Cayambe, Ecuador are the following (all times relative to the local timezone America/Guayaquil):

Azimuth: 140.8° RISE 11:35

Max altitude: 39.2° TRANSIT 17:33

Azimuth: 219.2° SET 23:34

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

Set Location

Other stars in Centaurus