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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 6:40  
clear_day Transit: 12:10  
SunsetSet: 17:41
sunny DaytimeWhat's Visible Now?
All Constellations » Leo Minor » 


Altitude: -1.6°   Azimuth: 326.1°   Direction: North-West

HR4078 is a giant star in the constellation of Leo Minor.

HR4078 visual magnitude is 6.39. Because of its reltive faintness, HR4078 should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of HR4078 is -0.006 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 HR4078 star
DSS2 image of HR4078. The red arrow shows the motion of HR4078 during the next 10000 years (-1.00 arcmin in Right Ascension and -1.67 arcmin in declination);

Key facts about HR4078


HR4078 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -1.6°
Azimuth: 326.1°
Direction: North-West

Celestial coordinates and finder chart of HR4078

HR4078 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 HR4078 are provided in the following table:

10h 23m 41s
+29° 36’ 56”
Leo Minor

The simplified sky map below shows the position of HR4078 in the sky:

Finder chart HR4078 star
Simplified finder chart for HR4078.

Visibility of HR4078 from your location

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

Today's HR4078 rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 60.4°
Max altitude: 68.1°
Azimuth: 299.6°

Distance of HR4078 from the Sun and relative movement

HR4078 is distant 374.28 light years from the Sun and it is moving towards the Sun at the speed of 13 kilometers per second.

114.81 pc
374.28 ly
-13 km/s
-0.006 arcsec/year
-0.01 arcsec/year

Spectral properties of HR4078

HR4078 belongs to spectral class G8 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR4078 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR4078. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4078