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🌎  Greenwich, United Kingdom [change]


HR2838 is a hypergiant star in the constellation of Monoceros.

HR2838 visual magnitude is 6.76. Because of its reltive faintness, HR2838 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 HR2838:

HR2838 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 30°.

Celestial coordinates and finder chart of HR2838

HR2838 is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR2838 are provided in the following table:

07h 26m 03s
-04° 32’ 14”

The simplified sky map below shows the position of HR2838 in the sky:

Finder chart HR2838 star
Simplified finder chart for HR2838.

Visibility of HR2838 from your location

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

Today's HR2838 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 94.5°
Max altitude: 34.0°
Azimuth: 265.5°
HR2838 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR2838

The image below is a photograph of HR2838 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 HR2838 is 0.009 arcsec per year in Right Ascension and -0.018 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR2838 star
DSS2 image of HR2838. The red arrow shows the motion of HR2838 during the next 10000 years (1.50 arcmin in Right Ascension and -3.00 arcmin in declination);

Distance of HR2838 from the Sun and relative movement

HR2838 is distant 524.96 light years from the Sun and it is moving towards the Sun at the speed of 2 kilometers per second.

161.03 pc
524.96 ly
-2 km/s
0.009 arcsec/year
-0.018 arcsec/year

Spectral properties of HR2838

HR2838 belongs to spectral class A0 and has a luminosity class of IV corresponding to a hypergiant star.


The red dot in the diagram below shows where HR2838 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR2838. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR2838