HR7780

Below the horizon. Rise: 19:42 | Tran: 3:19 | Set: 10:52

Alt: -20.12° Az: 9.94° Direction: South-West

HR7780 is a giant star of spectral class K5 in the constellation of Sagitta.

HR7780 visual magnitude is 5.8. Because of its faintness, HR7780 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 HR7780. The red arrow shows the motion of HR7780 during the next 10000 years (3.33 arcmin in Right Ascension and -5.50 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 20h 21m 30s

Declination +17° 52’ 29”

Hour Angle 12h 39m 14s

Sidereal Time 09h 00m 44s

J2000

Right Ascension 20h 20m 21s

Declination +17° 47’ 35”

Galactic Coordinates

Galactic Longitude 59.26°

Galactic Latitude -10.44°

Finder Chart

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Finder chart for HR7780.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.8

Class Giant

Absolute magnitude -0.03

Spectral Type K5

Color Index (B-V) 1.49

Temperature 3809K

The red dot in the diagram below shows where HR7780 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR7780. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR7780 is distant 477.31 light years from the Sun and it is moving towards the Sun at the speed of 33 kilometers per second.

Distance (parsec) 146.41

Distance (light year) 477.31

Radial Speed -33 km/s

Proper Motion RA 0.02 arcsec/y

Proper Motion Dec -0.033"/y

Alternative Designations

Henry Draper Catalogue HD193579

SAO Catalogue SAO105991

Hipparcos Catalogue HIP100276

Durchmusterung Catalogue BD+17 4294

Visibility from Your Location

Today's HR7780 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 72.1° RISE 19:42

Max altitude: 56.4° TRANSIT 3:19

Azimuth: 287.9° SET 10:52

Set Location

Other stars in Sagitta