Your guide to the Solar System and the night sky
🌎 Location: Greenwich, United Kingdom [change]


HR4388 is a main-sequence star in the constellation of Ursa Major.

HR4388 visual magnitude is 6.43. Because of its reltive faintness, HR4388 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 HR4388:

HR4388 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 39°.

Celestial coordinates and finder chart of HR4388

HR4388 is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR4388 are provided in the following table:

11h 21m 49s
+57° 04’ 30”
Ursa Major

The simplified sky map below shows the position of HR4388 in the sky:

Finder chart HR4388 star
Simplified finder chart for HR4388.

Visibility of HR4388 from your location

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

HR4388 is circumpolar and transits at 11:22 UTC (altitude: 84.4°)

Digitized Sky Survey image of HR4388

The image below is a photograph of HR4388 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 HR4388 is -0.058 arcsec per year in Right Ascension and 0.009 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR4388 star
DSS2 image of HR4388. The red arrow shows the motion of HR4388 during the next 10000 years (-9.67 arcmin in Right Ascension and 1.50 arcmin in declination);

Distance of HR4388 from the Sun and relative movement

HR4388 is distant 254.89 light years from the Sun and it is moving towards the Sun at the speed of 10 kilometers per second.

78.19 pc
254.89 ly
-10 km/s
-0.058 arcsec/year
0.009 arcsec/year

Spectral properties of HR4388

HR4388 belongs to spectral class A7 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where HR4388 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4388. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4388