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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
north SunriseRise: 7:43  
clear_day Transit: 11:47  
SunsetSet: 15:52 south
sleep NighttimeWhat's Visible Now?
All Constellations » Leo » 


Altitude: 39.9°   Azimuth: 110.9°   Direction: East-South-East

HR4097 is a hypergiant star in the constellation of Leo.

HR4097 visual magnitude is 6.15. Because of its reltive faintness, HR4097 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 HR4097:


HR4097 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 39.9°
Azimuth: 110.9°
Direction: East-South-East

Celestial coordinates and finder chart of HR4097

HR4097 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 HR4097 are provided in the following table:

10h 27m 00s
+19° 21’ 51”

The simplified sky map below shows the position of HR4097 in the sky:

Finder chart HR4097 star
Simplified finder chart for HR4097.

Visibility of HR4097 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 HR4097 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: 70.6°
Max altitude: 57.9°
Azimuth: 289.4°

Digitized Sky Survey image of HR4097

The image below is a photograph of HR4097 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 HR4097 is -0.064 arcsec per year in Right Ascension and -0.012 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR4097 star
DSS2 image of HR4097. The red arrow shows the motion of HR4097 during the next 10000 years (-10.67 arcmin in Right Ascension and -2.00 arcmin in declination);

Distance of HR4097 from the Sun and relative movement

HR4097 is distant 328.63 light years from the Sun and it is moving far from the Sun at the speed of 32 kilometers per second.

100.81 pc
328.63 ly
32 km/s
-0.064 arcsec/year
-0.012 arcsec/year

Spectral properties of HR4097

HR4097 belongs to spectral class K0


The red dot in the diagram below shows where HR4097 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4097. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4097