HR7631

Below the horizon. Rise: 17:29 | Tran: 19:42 | Set: 21:54

Alt: -71.00° Az: 23.51° Direction: North-North-East

HR7631 is a variable main-sequence star of spectral class F7 in the constellation of Sagittarius.

HR7631 visual magnitude is 5.66. Because of its faintness, HR7631 is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

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);

Celestial Coordinates

Apparent

Right Ascension 20h 01m 55s

Declination -33° 38’ 03”

Hour Angle 12h 35m 53s

Sideral Time 08h 37m 48s

J2000

Right Ascension 20h 00m 20s

Declination -33° 42’ 14”

Galactic Coordinates

Galactic Longitude 7.29°

Galactic Latitude -28.18°

Finder Chart

Simplified finder chart for HR7631.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.66

Class Main-sequence

Absolute magnitude 4.06

Spectral Type F7V

Color Index (B-V) 0.49

Temperature 6435K

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

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

Distance, Radial Speed, Proper Motion

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.

Distance (parsec) 20.88

Distance (light year) 68.06

Radial Speed -8 km/s

Proper Motion RA 0.136 arcsec/y

Proper Motion Dec -0.306"/y

Alternative Designations

Henry Draper Catalogue HD189245

SAO Catalogue SAO211724

Hipparcos Catalogue HIP98470

Durchmusterung Catalogue CD-3414082

Gliese Catalogue Gl 773.4

General Catalogue of Variable Stars 12655

Visibility from Your Location

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

Azimuth: 123.6° RISE 17:29

Max altitude: 4.9° TRANSIT 19:42

Azimuth: 236.4° SET 21:54

Set Location

Other stars in Sagittarius