HR7778

Above the horizon. Rise: 20:32 | Tran: 2:40 | Set: 8:52

Alt: 1.29° Az: 75.36° Direction: South-West

HR7778 is a giant star of spectral class G8 in the constellation of Delphinus.

HR7778 visual magnitude is 6.13. Because of its faintness, HR7778 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 HR7778. The red arrow shows the motion of HR7778 during the next 100000 years (-1.67 arcmin in Right Ascension and 6.67 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 20h 21m 31s

Declination +14° 39’ 03”

Hour Angle 17h 55m 20s

Sidereal Time 14h 16m 51s

J2000

Right Ascension 20h 20m 20s

Declination +14° 34’ 09”

Galactic Coordinates

Galactic Longitude 56.5°

Galactic Latitude -12.19°

Finder Chart

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Finder chart for HR7778.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.13

Class Giant

Absolute magnitude 0.00

Spectral Type G8III

Color Index (B-V) 0.91

Temperature 4970K

The red dot in the diagram below shows where HR7778 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR7778. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR7778 is distant 549.75 light years from the Sun and it is moving far from the Sun at the speed of 8 kilometers per second.

Distance (parsec) 168.63

Distance (light year) 549.75

Radial Speed 8 km/s

Proper Motion RA -0.001 arcsec/y

Proper Motion Dec 0.004"/y

Alternative Designations

Henry Draper Catalogue HD193556

SAO Catalogue SAO105988

Hipparcos Catalogue HIP100274

Durchmusterung Catalogue BD+14 4263

FK5 Catalogue 3629

Visibility from Your Location

Today's HR7778 rise, transit and set times from Ko Samui, Thailand are the following (all times relative to the local timezone Asia/Bangkok):

Azimuth: 75.3° RISE 20:32

Max altitude: 84.9° TRANSIT 2:40

Azimuth: 284.7° SET 8:52

Name:	Ko Samui, Thailand
Latitude:	9° 32' 8.4" N
Longitude:	99° 56' 8.5" E
Timezone:	Asia/Bangkok

Set Location

Other stars in Delphinus