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🌎  Greenwich, United Kingdom [change]


HR4425 is a double main-sequence star in the constellation of Musca.

HR4425 visual magnitude is 6.09. Because of its reltive faintness, HR4425 should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about HR4425:

HR4425 is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of HR4425

HR4425 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 HR4425 are provided in the following table:

11h 28m 18s
-72° 28’ 27”

The simplified sky map below shows the position of HR4425 in the sky:

Finder chart HR4425 star
Simplified finder chart for HR4425.

Visibility of HR4425 from your location

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

HR4425 is currently not visible from Greenwich, United Kingdom [change]

Digitized Sky Survey image of HR4425

The image below is a photograph of HR4425 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 HR4425 is -0.043 arcsec per year in Right Ascension and -0.02 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR4425 star
DSS2 image of HR4425. The red arrow shows the motion of HR4425 during the next 10000 years (-7.17 arcmin in Right Ascension and -3.33 arcmin in declination);

Distance of HR4425 from the Sun and relative movement

HR4425 is distant 758.14 light years from the Sun and it is moving far from the Sun at the speed of 12 kilometers per second.

232.56 pc
758.14 ly
12 km/s
-0.043 arcsec/year
-0.02 arcsec/year

Spectral properties of HR4425

HR4425 belongs to spectral class B3 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where HR4425 is situated in the HertzsprungÔÇôRussell diagram.

HR Diagram
H-R diagram showing the position of HR4425. Attribution: Richard Powell / CC BY-SA

HR4425 star system properties

HR4425 is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the HR4425 double sysyem:

0.3 arcsec

Alternative designations of HR4425