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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: 6:35  
clear_day Transit: 12:10  
SunsetSet: 17:45
sunny DaytimeWhat's Visible Now?
All Constellations » Leo » 

HR4505

Altitude: -11.7°   Azimuth: 28.5°   Direction: North-North-East

HR4505 is a sub-giant star in the constellation of Leo.

HR4505 visual magnitude is 6.59. Because of its reltive faintness, HR4505 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 HR4505 is -0.092 arcsec per year in Right Ascension and -0.063 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of HR4505 star
DSS2 image of HR4505. The red arrow shows the motion of HR4505 during the next 1000 years (-1.53 arcmin in Right Ascension and -1.05 arcmin in declination);

Key facts about HR4505

6.59
Sub-giant

HR4505 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -11.7°
Azimuth: 28.5°
Direction: North-North-East

Celestial coordinates and finder chart of HR4505

HR4505 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 HR4505 are provided in the following table:

11h 42m 05s
+22° 12’ 38”
226.49°
73.51°
Leo

The simplified sky map below shows the position of HR4505 in the sky:

Finder chart HR4505 star
Simplified finder chart for HR4505.

Visibility of HR4505 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 HR4505 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: 67.8°
Max altitude: 60.7°
Azimuth: 292.2°

Distance of HR4505 from the Sun and relative movement

HR4505 is distant 200.00 light years from the Sun and it is moving towards the Sun at the speed of 23 kilometers per second.

61.35 pc
200.00 ly
-23 km/s
-0.092 arcsec/year
-0.063 arcsec/year

Spectral properties of HR4505

HR4505 belongs to spectral class F2 and has a luminosity class of IV corresponding to a sub-giant star.

2.65
F2IV
10125K

The red dot in the diagram below shows where HR4505 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4505. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4505

SAO81949
SAO81949