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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: 6:46  
clear_day Transit: 12:11  
SunsetSet: 17:36
sleep NighttimeWhat's Visible Now?
All Constellations » Leo » 

HR4048

Altitude: 41.2°   Azimuth: 258.0°   Direction: West-South-West

HR4048 is a hypergiant star in the constellation of Leo.

HR4048 visual magnitude is 6.4. Because of its reltive faintness, HR4048 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 HR4048 is -0.047 arcsec per year in Right Ascension and -0.008 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR4048 star
DSS2 image of HR4048. The red arrow shows the motion of HR4048 during the next 10000 years (-7.83 arcmin in Right Ascension and -1.33 arcmin in declination);

Key facts about HR4048

6.4
Hypergiant

HR4048 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 41.2°
Azimuth: 258.0°
Direction: West-South-West

Celestial coordinates and finder chart of HR4048

HR4048 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 HR4048 are provided in the following table:

10h 19m 00s
+24° 42’ 42”
208.23°
55.77°
Leo

The simplified sky map below shows the position of HR4048 in the sky:

Finder chart HR4048 star
Simplified finder chart for HR4048.

Visibility of HR4048 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 HR4048 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: 65.3°
Max altitude: 63.2°
Azimuth: 294.7°

Distance of HR4048 from the Sun and relative movement

HR4048 is distant 1,172.66 light years from the Sun

359.71 pc
1,172.66 ly
-0.047 arcsec/year
-0.008 arcsec/year

Spectral properties of HR4048

HR4048 belongs to spectral class K0

-1.38
K0
10125K

The red dot in the diagram below shows where HR4048 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4048. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4048

SAO81285
SAO81285