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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
sunny   (Daytime)   What's Visible Now?
All Constellations » Pavo » 

HR7959

Altitude: -77.1°   Azimuth: 152.7°   Direction: South-South-East

HR7959 is a double sub-giant star in the constellation of Pavo.

HR7959 visual magnitude is 6.28. Because of its reltive faintness, HR7959 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 HR7959 is 0.076 arcsec per year in Right Ascension and -0.047 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR7959 star
DSS2 image of HR7959. The red arrow shows the motion of HR7959 during the next 10000 years (12.67 arcmin in Right Ascension and -7.83 arcmin in declination);

Key facts about HR7959

6.28
Sub-giant

HR7959 is below the horizon from Greenwich, United Kingdom.

Altitude: -77.1°
Azimuth: 152.7°
Direction: South-South-East

Celestial coordinates and finder chart of HR7959

HR7959 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 HR7959 are provided in the following table:

20h 51m 38s
-62° 25’ 45”
333.32°
-37.62°
Pavo

The simplified sky map below shows the position of HR7959 in the sky:

Finder chart HR7959 star
Simplified finder chart for HR7959.

Visibility of HR7959 from your location

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

HR7959 is currently not visible from Greenwich, United Kingdom

Distance of HR7959 from the Sun and relative movement

HR7959 is distant 238.48 light years from the Sun and it is moving towards the Sun at the speed of 16 kilometers per second.

73.15 pc
238.48 ly
-16 km/s
0.076 arcsec/year
-0.047 arcsec/year

Spectral properties of HR7959

HR7959 belongs to spectral class A2 and has a luminosity class of IV corresponding to a sub-giant star.

1.96
A2IV
8571K

The red dot in the diagram below shows where HR7959 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR7959. Attribution: Richard Powell / CC BY-SA

HR7959 star system properties

HR7959 is a visual double star which can be observed with the help of medium or large telescopes. The table below shows key information about the HR7959 double sysyem:

6.28
6.48
0.2
2.4 arcsec

Alternative designations of HR7959

SAO254883
SAO254883