HR1578

Above the horizon. Rise: 6:07 | Tran: 12:33 | Set: 18:58

Alt: 28.37° Az: 239.64° Direction: West-South-West

HR1578 is a hypergiant star of spectral class A0 in the constellation of Orion.

HR1578 visual magnitude is 6.5. Because of its faintness, HR1578 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 HR1578. The red arrow shows the motion of HR1578 during the next 100000 years (-6.67 arcmin in Right Ascension and -15.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 04h 57m 19s

Declination +05° 26’ 16”

Hour Angle 03h 18m 48s

Sidereal Time 08h 16m 08s

J2000

Right Ascension 04h 55m 58s

Declination +05° 23’ 57”

Galactic Coordinates

Galactic Longitude 193.77°

Galactic Latitude -22.63°

Finder Chart

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Finder chart for HR1578.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.5

Class Hypergiant

Absolute magnitude 0.62

Spectral Type A0V

Color Index (B-V) 0.02

Temperature 9882K

The red dot in the diagram below shows where HR1578 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR1578. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR1578 is distant 489.49 light years from the Sun and it is moving far from the Sun at the speed of 22 kilometers per second.

Distance (parsec) 150.15

Distance (light year) 489.49

Radial Speed 22 km/s

Proper Motion RA -0.004 arcsec/y

Proper Motion Dec -0.009"/y

Alternative Designations

Henry Draper Catalogue HD31411

SAO Catalogue SAO112220

Hipparcos Catalogue HIP22923

Durchmusterung Catalogue BD+05 769

Visibility from Your Location

Today's HR1578 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 84.6° RISE 6:07

Max altitude: 44.0° TRANSIT 12:33

Azimuth: 275.4° SET 18:58

Set Location

Other stars in Orion