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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?

HR7631

Altitude: -69.8°   Azimuth: 326.7°   Direction: North-North-West

HR7631 is a variable main-sequence star in the constellation of Sagittarius.

HR7631 visual magnitude is 5.66. Because of its reltive faintness, HR7631 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 HR7631 is 0.136 arcsec per year in Right Ascension and -0.306 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of HR7631 star
DSS2 image of HR7631. The red arrow shows the motion of HR7631 during the next 1000 years (2.27 arcmin in Right Ascension and -5.10 arcmin in declination);

Key facts about HR7631

5.66
Main-sequence

HR7631 is below the horizon from Greenwich, United Kingdom.

Altitude: -69.8°
Azimuth: 326.7°
Direction: North-North-West

Celestial coordinates and finder chart of HR7631

HR7631 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 HR7631 are provided in the following table:

20h 00m 20s
-33° 42’ 14”
7.29°
-28.18°
Sagittarius

The simplified sky map below shows the position of HR7631 in the sky:

Finder chart HR7631 star
Simplified finder chart for HR7631.

Visibility of HR7631 from your location

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

Today's HR7631 rise, transit and set times from Greenwich, United Kingdom are the following (all times relative to the local timezone Europe/London):

Azimuth: 123.7°
Max altitude: 4.8°
Azimuth: 236.3°

Distance of HR7631 from the Sun and relative movement

HR7631 is distant 68.06 light years from the Sun and it is moving towards the Sun at the speed of 8 kilometers per second.

20.88 pc
68.06 ly
-8 km/s
0.136 arcsec/year
-0.306 arcsec/year

Spectral properties of HR7631

HR7631 belongs to spectral class F7 and has a luminosity class of V corresponding to a main-sequence star.

4.06
F7V
6435K

The red dot in the diagram below shows where HR7631 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR7631. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR7631

SAO211724
SAO211724
Gl 773.4