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: 4:43  
clear_day Transit: 12:58  
SunsetSet: 21:12 south
sunny DaytimeWhat's Visible Now
All Constellations » Carina » 


Altitude: -25.9°   Azimuth: 149.3°   Direction: South-South-East

HR3161 is a main-sequence star in the constellation of Carina.

HR3161 visual magnitude is 6.28. Because of its reltive faintness, HR3161 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 HR3161:


HR3161 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -25.9°
Azimuth: 149.3°
Direction: South-South-East

Celestial coordinates and finder chart of HR3161

HR3161 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 HR3161 are provided in the following table:

08h 01m 31s
-55° 27’ 17”

The simplified sky map below shows the position of HR3161 in the sky:

Finder chart HR3161 star
Simplified finder chart for HR3161.

Visibility of HR3161 from your location

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

HR3161 is currently not visible from Greenwich, United Kingdom edit_location_alt

Digitized Sky Survey image of HR3161

The image below is a photograph of HR3161 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 HR3161 is -0.017 arcsec per year in Right Ascension and -0.008 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR3161 star
DSS2 image of HR3161. The red arrow shows the motion of HR3161 during the next 10000 years (-2.83 arcmin in Right Ascension and -1.33 arcmin in declination);

Distance of HR3161 from the Sun and relative movement

HR3161 is distant 668.03 light years from the Sun and it is moving far from the Sun at the speed of 6 kilometers per second.

204.92 pc
668.03 ly
6 km/s
-0.017 arcsec/year
-0.008 arcsec/year

Spectral properties of HR3161

HR3161 belongs to spectral class B4 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where HR3161 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR3161. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR3161