HR4977

Below the horizon. Never rises today

Alt: -40.22° Az: 210.23° Direction: South-South-West

HR4977 is a hypergiant star of spectral class A0 in the constellation of Musca.

HR4977 visual magnitude is 5.9. Because of its faintness, HR4977 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 HR4977. The red arrow shows the motion of HR4977 during the next 10000 years (4.00 arcmin in Right Ascension and 1.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 13h 14m 31s

Declination -66° 21’ 39”

Hour Angle 04h 53m 55s

Sidereal Time 18h 08m 27s

J2000

Right Ascension 13h 12m 48s

Declination -66° 13’ 36”

Galactic Coordinates

Galactic Longitude 305.09°

Galactic Latitude -3.44°

Finder Chart

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Finder chart for HR4977.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.9

Class Hypergiant

Absolute magnitude 1.19

Spectral Type A0V

Color Index (B-V) 0.06

Temperature 9434K

The red dot in the diagram below shows where HR4977 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4977. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR4977 is distant 284.72 light years from the Sun and it is moving far from the Sun at the speed of 9 kilometers per second.

Distance (parsec) 87.34

Distance (light year) 284.72

Radial Speed 9 km/s

Proper Motion RA 0.024 arcsec/y

Proper Motion Dec 0.006"/y

Alternative Designations

Henry Draper Catalogue HD114570

SAO Catalogue SAO252196

Hipparcos Catalogue HIP64466

Durchmusterung Catalogue CP-65 2201

Visibility from Your Location

HR4977 is currently not visible from Greenwich, UK

Set Location

Other stars in Musca