Your Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 4:44  
clear_day Transit: 12:57  
SunsetSet: 21:11 south
wb_twilight Astronomical TwilightWhat's Visible Now
All Constellations » Leo » 

HR4454

Altitude: 24.9°   Azimuth: 255.8°   Direction: West-South-West

HR4454 is a star in the constellation of Leo.

HR4454 visual magnitude is 6.55. Because of its reltive faintness, HR4454 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 HR4454:

6.55

HR4454 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 24.9°
Azimuth: 255.8°
Direction: West-South-West

Celestial coordinates and finder chart of HR4454

HR4454 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 HR4454 are provided in the following table:

11h 34m 09s
+11° 01’ 24”
250.77°
65.72°
Leo

The simplified sky map below shows the position of HR4454 in the sky:

Finder chart HR4454 star
Simplified finder chart for HR4454.

Visibility of HR4454 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 HR4454 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: 79.0°
Max altitude: 49.5°
Azimuth: 281.0°
HR4454 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR4454

The image below is a photograph of HR4454 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 HR4454 is 0.045 arcsec per year in Right Ascension and -0.031 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR4454 star
DSS2 image of HR4454. The red arrow shows the motion of HR4454 during the next 10000 years (7.50 arcmin in Right Ascension and -5.17 arcmin in declination);

Distance of HR4454 from the Sun and relative movement

HR4454 is distant 370.45 light years from the Sun and it is moving towards the Sun at the speed of 5 kilometers per second.

113.64 pc
370.45 ly
-5 km/s
0.045 arcsec/year
-0.031 arcsec/year

Spectral properties of HR4454

HR4454 belongs to spectral class A2

1.27
A2
8321K

The red dot in the diagram below shows where HR4454 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4454. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4454

SAO99668
SAO99668