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: 4:52  
clear_day Transit: 12:55  
SunsetSet: 20:59 south
wb_twilight Civil TwilightWhat's Visible Now
All Constellations » Puppis » 


HR2881 is a supergiant star in the constellation of Puppis.

HR2881 visual magnitude is 4.65. Because of its moderate brightness, HR2881 should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.

The table below summarizes the key facts about HR2881:

HR2881 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of HR2881

HR2881 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 HR2881 are provided in the following table:

07h 30m 42s
-30° 57’ 43”

The simplified sky map below shows the position of HR2881 in the sky:

Finder chart HR2881 star
Simplified finder chart for HR2881.

Visibility of HR2881 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 HR2881 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: 121.0°
Max altitude: 7.6°
Azimuth: 239.0°
HR2881 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR2881

The image below is a photograph of HR2881 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 HR2881 is -0.021 arcsec per year in Right Ascension and 0 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR2881 star
DSS2 image of HR2881. The red arrow shows the motion of HR2881 during the next 10000 years (-3.50 arcmin in Right Ascension and 0.00 arcmin in declination);

Distance of HR2881 from the Sun and relative movement

HR2881 is distant 1,752.69 light years from the Sun and it is moving far from the Sun at the speed of 14 kilometers per second.

537.63 pc
1,752.69 ly
14 km/s
-0.021 arcsec/year

Spectral properties of HR2881

HR2881 belongs to spectral class G3 and has a luminosity class of I corresponding to a supergiant star.


The red dot in the diagram below shows where HR2881 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR2881. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR2881