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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?

HR7643

Altitude: -49.5°   Azimuth: 301.0°   Direction: West-North-West

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

HR7643 visual magnitude is 6.01. Because of its reltive faintness, HR7643 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 HR7643 is 0.01 arcsec per year in Right Ascension and -0.014 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR7643 star
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);

Key facts about HR7643

6.01
Main-sequence

HR7643 is below the horizon from Greenwich, United Kingdom.

Altitude: -49.5°
Azimuth: 301.0°
Direction: West-North-West

Celestial coordinates and finder chart of HR7643

HR7643 is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR7643 are provided in the following table:

20h 01m 23s
-22° 44’ 13”
19.04°
-25.02°
Sagittarius

The simplified sky map below shows the position of HR7643 in the sky:

Finder chart HR7643 star
Simplified finder chart for HR7643.

Visibility of HR7643 from your location

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

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

Azimuth: 112.7°
Max altitude: 15.8°
Azimuth: 247.3°

Distance of HR7643 from the Sun and relative movement

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.

95.97 pc
312.86 ly
8 km/s
0.01 arcsec/year
-0.014 arcsec/year

Spectral properties of HR7643

HR7643 belongs to spectral class G7 and has a luminosity class of V corresponding to a main-sequence star.

1.10
G7V
4816K

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

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

Alternative designations of HR7643

SAO188829
SAO188829