We use cookies to deliver essential features and to measure their performance. By using this site you accept our Privacy Policies.
A Complete Guide to the Solar System and the Night Sky
Your support keeps us free & ad-free » Donate
public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 6:59  
clear_day Transit: 12:12  
SunsetSet: 17:25
sunny DaytimeWhat's Visible Now?
All Constellations » Carina » 


Altitude: -54.7°   Azimuth: 139.5°   Direction: South-East

HR3995 is a double hypergiant star in the constellation of Carina.

HR3995 visual magnitude is 5.28. Because of its reltive faintness, HR3995 should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The proper motion of HR3995 is -0.072 arcsec per year in Right Ascension and 0.042 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR3995 star
DSS2 image of HR3995. The red arrow shows the motion of HR3995 during the next 10000 years (-12.00 arcmin in Right Ascension and 7.00 arcmin in declination);

Key facts about HR3995


HR3995 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -54.7°
Azimuth: 139.5°
Direction: South-East

Celestial coordinates and finder chart of HR3995

HR3995 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 HR3995 are provided in the following table:

10h 08m 42s
-65° 48’ 55”

The simplified sky map below shows the position of HR3995 in the sky:

Finder chart HR3995 star
Simplified finder chart for HR3995.

Visibility of HR3995 from your location

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

HR3995 is currently not visible from Greenwich, United Kingdom edit_location_alt

Distance of HR3995 from the Sun and relative movement

HR3995 is distant 341.36 light years from the Sun

104.71 pc
341.36 ly
-0.072 arcsec/year
0.042 arcsec/year

Spectral properties of HR3995

HR3995 belongs to spectral class K0 and has a luminosity class of III corresponding to a hypergiant star.


The red dot in the diagram below shows where HR3995 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR3995. Attribution: Richard Powell / CC BY-SA

HR3995 star system properties

HR3995 is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the HR3995 double sysyem:

63.3 arcsec

Alternative designations of HR3995