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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: 7:01  
clear_day Transit: 12:12  
SunsetSet: 17:24
sunny DaytimeWhat's Visible Now?
All Constellations » Puppis » 


Altitude: -31.3°   Azimuth: 124.7°   Direction: South-East

HR2746 is a variable hypergiant star in the constellation of Puppis.

HR2746 visual magnitude is 4.89. Because of its moderate brightness, HR2746 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 proper motion of HR2746 is -0.019 arcsec per year in Right Ascension and -0.099 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of HR2746 star
DSS2 image of HR2746. The red arrow shows the motion of HR2746 during the next 1000 years (-0.32 arcmin in Right Ascension and -1.65 arcmin in declination);

Key facts about HR2746


HR2746 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -31.3°
Azimuth: 124.7°
Direction: South-East

Celestial coordinates and finder chart of HR2746

HR2746 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 HR2746 are provided in the following table:

07h 13m 13s
-45° 10’ 59”

The simplified sky map below shows the position of HR2746 in the sky:

Finder chart HR2746 star
Simplified finder chart for HR2746.

Visibility of HR2746 from your location

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

HR2746 is currently not visible from Greenwich, United Kingdom edit_location_alt

Distance of HR2746 from the Sun and relative movement

HR2746 is distant 181.41 light years from the Sun and it is moving far from the Sun at the speed of 4 kilometers per second.

55.65 pc
181.41 ly
4 km/s
-0.019 arcsec/year
-0.099 arcsec/year

Spectral properties of HR2746

HR2746 belongs to spectral class A0 HR2746 is also a Si chemically peculiar star.


The red dot in the diagram below shows where HR2746 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR2746. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR2746