Your Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 4:45  
clear_day Transit: 12:57  
SunsetSet: 21:10 south
sunny DaytimeWhat's Visible Now
All Constellations » Carina » 


Altitude: -67.4°   Azimuth: 183.4°   Direction: South

HR4105 is a main-sequence star in the constellation of Carina.

HR4105 visual magnitude is 6.19. Because of its reltive faintness, HR4105 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 HR4105:


HR4105 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -67.4°
Azimuth: 183.4°
Direction: South

Celestial coordinates and finder chart of HR4105

HR4105 is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR4105 are provided in the following table:

10h 24m 44s
-73° 58’ 18”

The simplified sky map below shows the position of HR4105 in the sky:

Finder chart HR4105 star
Simplified finder chart for HR4105.

Visibility of HR4105 from your location

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

HR4105 is currently not visible from Greenwich, United Kingdom edit_location_alt

Digitized Sky Survey image of HR4105

The image below is a photograph of HR4105 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 HR4105 is -0.032 arcsec per year in Right Ascension and 0.017 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR4105 star
DSS2 image of HR4105. The red arrow shows the motion of HR4105 during the next 10000 years (-5.33 arcmin in Right Ascension and 2.83 arcmin in declination);

Distance of HR4105 from the Sun and relative movement

HR4105 is distant 440.54 light years from the Sun and it is moving towards the Sun at the speed of 3 kilometers per second.

135.14 pc
440.54 ly
-3 km/s
-0.032 arcsec/year
0.017 arcsec/year

Spectral properties of HR4105

HR4105 belongs to spectral class A2 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where HR4105 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4105. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4105