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public LocationGreenwich, United Kingdom
TimezoneEurope/London
Sunrise: 5:22 
Transit: 12:55 
Sunset: 20:28
sunny   (Daytime)   What's Visible Now?

HR4634

Altitude: -32.1°   Azimuth: 151.0°   Direction: South-South-East

HR4634 is a sub-giant star in the constellation of Crux.

HR4634 visual magnitude is 6.08. Because of its reltive faintness, HR4634 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 HR4634 is -0.134 arcsec per year in Right Ascension and -0.018 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of HR4634 star
DSS2 image of HR4634. The red arrow shows the motion of HR4634 during the next 1000 years (-2.23 arcmin in Right Ascension and -0.30 arcmin in declination);

Key facts about HR4634

6.08
Sub-giant

HR4634 is below the horizon from Greenwich, United Kingdom.

Altitude: -32.1°
Azimuth: 151.0°
Direction: South-South-East

Celestial coordinates and finder chart of HR4634

HR4634 is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR4634 are provided in the following table:

12h 11m 04s
-61° 16’ 39”
298.1°
1.22°
Crux

The simplified sky map below shows the position of HR4634 in the sky:

Finder chart HR4634 star
Simplified finder chart for HR4634.

Visibility of HR4634 from your location

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

HR4634 is currently not visible from Greenwich, United Kingdom

Distance of HR4634 from the Sun and relative movement

HR4634 is distant 289.52 light years from the Sun and it is moving towards the Sun at the speed of 3 kilometers per second.

88.81 pc
289.52 ly
-3 km/s
-0.134 arcsec/year
-0.018 arcsec/year

Spectral properties of HR4634

HR4634 belongs to spectral class F2 and has a luminosity class of IV corresponding to a sub-giant star.

1.34
F2IV
6934K

The red dot in the diagram below shows where HR4634 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4634. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4634

SAO251778
SAO251778