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🌎  Greenwich, United Kingdom [change]

HR4989

HR4989 is a double sub-giant star in the constellation of Centaurus.

HR4989 visual magnitude is 4.92. Because of its moderate brightness, HR4989 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 HR4989:

4.92
Sub-giant
HR4989 is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of HR4989

HR4989 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 HR4989 are provided in the following table:

13h 14m 14s
-59° 06’ 11”
305.87°
3.64°
Centaurus

The simplified sky map below shows the position of HR4989 in the sky:

Finder chart HR4989 star
Simplified finder chart for HR4989.

Visibility of HR4989 from your location

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

HR4989 is currently not visible from Greenwich, United Kingdom [change]

Digitized Sky Survey image of HR4989

The image below is a photograph of HR4989 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 HR4989 is -0.265 arcsec per year in Right Ascension and -0.157 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of HR4989 star
DSS2 image of HR4989. The red arrow shows the motion of HR4989 during the next 1000 years (-4.42 arcmin in Right Ascension and -2.62 arcmin in declination);

Distance of HR4989 from the Sun and relative movement

HR4989 is distant 58.75 light years from the Sun and it is moving towards the Sun at the speed of 65 kilometers per second.

18.02 pc
58.75 ly
-65 km/s
-0.265 arcsec/year
-0.157 arcsec/year

Spectral properties of HR4989

HR4989 belongs to spectral class F7 and has a luminosity class of IV corresponding to a sub-giant star.

3.64
F7IV
6481K

The red dot in the diagram below shows where HR4989 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4989. Attribution: Richard Powell / CC BY-SA

HR4989 star system properties

HR4989 is a visual double star which can be observed with the help of medium or large telescopes. The table below shows key information about the HR4989 double sysyem:

4.92
10.22
5.3
2.7 arcsec

Alternative designations of HR4989

SAO240666
SAO240666
Gl 503 A