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public LocationGreenwich, United Kingdom
TimezoneEurope/London
Sunrise: 5:09 
Transit: 12:54 
Sunset: 20:41
sunny   (Daytime)   What's Visible Now?

HR4575

Altitude: 28.6°   Azimuth: 337.1°   Direction: North-North-West

HR4575 is a hypergiant star in the constellation of Ursa Major.

HR4575 visual magnitude is 6.76. Because of its reltive faintness, HR4575 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 HR4575 is 0.042 arcsec per year in Right Ascension and 0 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR4575 star
DSS2 image of HR4575. The red arrow shows the motion of HR4575 during the next 10000 years (7.00 arcmin in Right Ascension and 0.00 arcmin in declination);

Key facts about HR4575

6.76
Hypergiant

HR4575 is above the horizon from Greenwich, United Kingdom.

Altitude: 28.6°
Azimuth: 337.1°
Direction: North-North-West

Celestial coordinates and finder chart of HR4575

HR4575 is situated close to the northern celestial pole and, as such, it is visible for most part of the year from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR4575 are provided in the following table:

11h 58m 20s
+61° 27’ 52”
133.83°
54.53°
Ursa Major

The simplified sky map below shows the position of HR4575 in the sky:

Finder chart HR4575 star
Simplified finder chart for HR4575.

Visibility of HR4575 from your location

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

HR4575 is circumpolar and transits at 20:26 UTC (altitude: 80.0°)

Distance of HR4575 from the Sun and relative movement

HR4575 is distant 486.57 light years from the Sun and it is moving towards the Sun at the speed of 26 kilometers per second.

149.25 pc
486.57 ly
-26 km/s
0.042 arcsec/year

Spectral properties of HR4575

HR4575 belongs to spectral class K0 and has a luminosity class of III corresponding to a hypergiant star.

0.89
K0III
10125K

The red dot in the diagram below shows where HR4575 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4575. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4575

SAO15673
SAO15673