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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: 6:50  
clear_day Transit: 12:11  
SunsetSet: 17:32
sleep NighttimeWhat's Visible Now?
All Constellations » Canis Major » 


Altitude: -1.0°   Azimuth: 224.3°   Direction: South-West

HR2734 is a variable hypergiant star in the constellation of Canis Major.

HR2734 visual magnitude is 6.12. Because of its reltive faintness, HR2734 should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of HR2734 is -0.025 arcsec per year in Right Ascension and 0.006 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR2734 star
DSS2 image of HR2734. The red arrow shows the motion of HR2734 during the next 10000 years (-4.17 arcmin in Right Ascension and 1.00 arcmin in declination);

Key facts about HR2734


HR2734 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -1.0°
Azimuth: 224.3°
Direction: South-West

Celestial coordinates and finder chart of HR2734

HR2734 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 HR2734 are provided in the following table:

07h 13m 36s
-27° 21’ 23”
Canis Major

The simplified sky map below shows the position of HR2734 in the sky:

Finder chart HR2734 star
Simplified finder chart for HR2734.

Visibility of HR2734 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 HR2734 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: 117.4°
Max altitude: 11.2°
Azimuth: 242.6°

Distance of HR2734 from the Sun and relative movement

HR2734 is distant 5,174.60 light years from the Sun and it is moving far from the Sun at the speed of 43 kilometers per second.

1,587.30 pc
5,174.60 ly
43 km/s
-0.025 arcsec/year
0.006 arcsec/year

Spectral properties of HR2734

HR2734 belongs to spectral class B0 and has a luminosity class of V corresponding to a hypergiant star.


The red dot in the diagram below shows where HR2734 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR2734. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR2734