HR4778

Above the horizon. Rise: 15:15 | Tran: 19:26 | Set: 23:36

Alt: 3.96° Az: 129.47° Direction: South-West

HR4778 is a variable main-sequence star of spectral class F2 in the constellation of Corvus.

HR4778 visual magnitude is 6.26. Because of its faintness, HR4778 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 HR4778. The red arrow shows the motion of HR4778 during the next 10000 years (-2.17 arcmin in Right Ascension and -0.33 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 12h 34m 42s

Declination -19° 55’ 55”

Hour Angle 20h 20m 00s

Sidereal Time 08h 54m 42s

J2000

Right Ascension 12h 33m 22s

Declination -19° 47’ 30”

Galactic Coordinates

Galactic Longitude 297.13°

Galactic Latitude 42.88°

Finder Chart

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Finder chart for HR4778.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.26

Class Main-sequence

Absolute magnitude 0.65

Spectral Type F2V

Color Index (B-V) 0.29

Temperature 7526K

The red dot in the diagram below shows where HR4778 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4778. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR4778 is distant 432.36 light years from the Sun and it is moving far from the Sun at the speed of 5 kilometers per second.

Distance (parsec) 132.63

Distance (light year) 432.36

Radial Speed 5 km/s

Proper Motion RA -0.013 arcsec/y

Proper Motion Dec -0.002"/y

Alternative Designations

Henry Draper Catalogue HD109238

SAO Catalogue SAO157359

Hipparcos Catalogue HIP61270

Durchmusterung Catalogue BD-18 3416

General Catalogue of Variable Stars 5715

Visibility from Your Location

Today's HR4778 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 109.9° RISE 15:15

Max altitude: 18.6° TRANSIT 19:26

Azimuth: 250.1° SET 23:36

Set Location

Other stars in Corvus