HR7801

Below the horizon. Rise: 17:20 | Tran: 20:27 | Set: 23:33

Alt: -45.60° Az: 280.66° Direction: West

HR7801 is a bright giant star of spectral class G8 in the constellation of Sagittarius.

HR7801 visual magnitude is 5.85. Because of its faintness, HR7801 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 HR7801. The red arrow shows the motion of HR7801 during the next 10000 years (2.33 arcmin in Right Ascension and 1.17 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 20h 26m 57s

Declination -28° 34’ 52”

Hour Angle 08h 33m 52s

Sideral Time 05h 00m 49s

J2000

Right Ascension 20h 25m 26s

Declination -28° 39’ 47”

Galactic Coordinates

Galactic Longitude 14.55°

Galactic Latitude -32.01°

Finder Chart

Simplified finder chart for HR7801.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.85

Class Bright giant

Absolute magnitude -0.25

Spectral Type G8II

Color Index (B-V) 1.1

Temperature 4515K

The red dot in the diagram below shows where HR7801 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR7801. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR7801 is distant 540.63 light years from the Sun and it is moving towards the Sun at the speed of 7 kilometers per second.

Distance (parsec) 165.84

Distance (light year) 540.63

Radial Speed -7 km/s

Proper Motion RA 0.014 arcsec/y

Proper Motion Dec 0.007"/y

Alternative Designations

Henry Draper Catalogue HD194215

SAO Catalogue SAO189264

Hipparcos Catalogue HIP100738

Durchmusterung Catalogue CD-2917049

FK5 Catalogue 1532

Visibility from Your Location

Today's HR7801 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 118.6° RISE 17:20

Max altitude: 9.9° TRANSIT 20:27

Azimuth: 241.4° SET 23:33

Set Location

Other stars in Sagittarius