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🌎  Greenwich, United Kingdom [change]

HR4618

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

HR4618 visual magnitude is 4.47. Because of its moderate brightness, HR4618 should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.

The table below summarizes the key facts about HR4618:

4.47
Giant
HR4618 is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of HR4618

HR4618 is situated south of the celestial equator, as such, it is more easily visible from the southern emisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR4618 are provided in the following table:

12h 08m 05s
-50° 39’ 41”
295.94°
11.62°
Centaurus

The simplified sky map below shows the position of HR4618 in the sky:

Finder chart HR4618 star
Simplified finder chart for HR4618.

Visibility of HR4618 from your location

Location: Greenwich, United Kingdom [change]
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

HR4618 is currently not visible from Greenwich, United Kingdom [change]

Digitized Sky Survey image of HR4618

The image below is a photograph of HR4618 from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of HR4618 is -0.035 arcsec per year in Right Ascension and -0.01 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR4618 star
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);

Distance of HR4618 from the Sun and relative movement

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.

115.21 pc
375.58 ly
17 km/s
-0.035 arcsec/year
-0.01 arcsec/year

Spectral properties of HR4618

HR4618 belongs to spectral class B6 and has a luminosity class of III corresponding to a giant star.

-0.84
B6III
12489K

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

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

HR4618 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:

4.47
6.37
1.9
268.6 arcsec

Alternative designations of HR4618

SAO239687
SAO239687