HR7643

Below the horizon. Rise: 0:39 | Tran: 4:35 | Set: 8:27

Alt: -53.54° Az: 311.23° Direction: North-West

HR7643 is a main-sequence star of spectral class G7 in the constellation of Sagittarius.

HR7643 visual magnitude is 6.01. Because of its faintness, HR7643 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 HR7643. The red arrow shows the motion of HR7643 during the next 10000 years (1.67 arcmin in Right Ascension and -2.33 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 20h 02m 54s

Declination -22° 39’ 55”

Hour Angle 10h 04m 08s

Sidereal Time 06h 07m 02s

J2000

Right Ascension 20h 01m 23s

Declination -22° 44’ 13”

Galactic Coordinates

Galactic Longitude 19.04°

Galactic Latitude -25.02°

Finder Chart

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Finder chart for HR7643.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.01

Class Main-sequence

Absolute magnitude 1.10

Spectral Type G7V

Color Index (B-V) 0.97

Temperature 4816K

The red dot in the diagram below shows where HR7643 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR7643. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR7643 is distant 312.86 light years from the Sun and it is moving far from the Sun at the speed of 8 kilometers per second.

Distance (parsec) 95.97

Distance (light year) 312.86

Radial Speed 8 km/s

Proper Motion RA 0.01 arcsec/y

Proper Motion Dec -0.014"/y

Alternative Designations

Henry Draper Catalogue HD189561

SAO Catalogue SAO188829

Hipparcos Catalogue HIP98575

Durchmusterung Catalogue CD-2315935

FK5 Catalogue 3600

Visibility from Your Location

Today's HR7643 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 112.7° RISE 0:39

Max altitude: 15.9° TRANSIT 4:35

Azimuth: 247.3° SET 8:27

Set Location

Other stars in Sagittarius