HR7771

Above the horizon. Rise: 13:02 | Tran: 20:09 | Set: 3:19

Alt: 51.74° Az: 184.57° Direction: South

HR7771 is a giant star of spectral class M1 in the constellation of Delphinus.

HR7771 visual magnitude is 6.21. Because of its faintness, HR7771 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 HR7771. The red arrow shows the motion of HR7771 during the next 10000 years (-4.83 arcmin in Right Ascension and -2.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 20h 20m 38s

Declination +13° 17’ 45”

Hour Angle 00h 11m 37s

Sideral Time 20h 32m 16s

J2000

Right Ascension 20h 19m 29s

Declination +13° 13’ 00”

Galactic Coordinates

Galactic Longitude 55.22°

Galactic Latitude -12.74°

Finder Chart

Simplified finder chart for HR7771.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.21

Class Giant

Absolute magnitude -0.72

Spectral Type M1III

Color Index (B-V) 1.63

Temperature 3608K

The red dot in the diagram below shows where HR7771 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR7771. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR7771 is distant 791.26 light years from the Sun and it is moving far from the Sun at the speed of 23 kilometers per second.

Distance (parsec) 242.72

Distance (light year) 791.26

Radial Speed 23 km/s

Proper Motion RA -0.029 arcsec/y

Proper Motion Dec -0.012"/y

Alternative Designations

Henry Draper Catalogue HD193373

SAO Catalogue SAO105961

Hipparcos Catalogue HIP100208

Durchmusterung Catalogue BD+12 4289

Visibility from Your Location

Today's HR7771 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 76.7° RISE 13:02

Max altitude: 51.8° TRANSIT 20:09

Azimuth: 283.3° SET 3:19

Set Location

Other stars in Delphinus