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A Complete Guide to the Solar System and the Night Sky
public LocationGreenwich, United Kingdom
TimezoneEurope/London
Sunrise: 5:28 
Transit: 12:55 
Sunset: 20:24
wb_twilight   (Civil Twilight)   What's Visible Now?
All Constellations » Pavo » 

HR6634

Altitude: -55.0°   Azimuth: 138.9°   Direction: South-East

HR6634 is a hypergiant star in the constellation of Pavo.

HR6634 visual magnitude is 6.49. Because of its reltive faintness, HR6634 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 HR6634 is -0.017 arcsec per year in Right Ascension and -0.083 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR6634 star
DSS2 image of HR6634. The red arrow shows the motion of HR6634 during the next 10000 years (-2.83 arcmin in Right Ascension and -13.83 arcmin in declination);

Key facts about HR6634

6.49
Hypergiant

HR6634 is below the horizon from Greenwich, United Kingdom.

Altitude: -55.0°
Azimuth: 138.9°
Direction: South-East

Celestial coordinates and finder chart of HR6634

HR6634 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 HR6634 are provided in the following table:

17h 53m 18s
-65° 29’ 21”
328.03°
-18.8°
Pavo

The simplified sky map below shows the position of HR6634 in the sky:

Finder chart HR6634 star
Simplified finder chart for HR6634.

Visibility of HR6634 from your location

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

HR6634 is currently not visible from Greenwich, United Kingdom

Distance of HR6634 from the Sun and relative movement

HR6634 is distant 519.11 light years from the Sun and it is moving towards the Sun at the speed of 45 kilometers per second.

159.24 pc
519.11 ly
-45 km/s
-0.017 arcsec/year
-0.083 arcsec/year

Spectral properties of HR6634

HR6634 belongs to spectral class K0 and has a luminosity class of III corresponding to a hypergiant star.

0.48
K0III
4559K

The red dot in the diagram below shows where HR6634 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR6634. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR6634

SAO254063
SAO254063