HR738

Above the horizon. Rise: 23:29 | Tran: 9:31 | Set: 19:29

Alt: 2.81° Az: 328.47° Direction: South-West

HR738 is a hypergiant star of spectral class K0 in the constellation of Triangulum.

HR738 visual magnitude is 5.83. Because of its faintness, HR738 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 HR738. The red arrow shows the motion of HR738 during the next 10000 years (-11.00 arcmin in Right Ascension and -2.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 02h 34m 25s

Declination +34° 39’ 13”

Hour Angle 09h 22m 20s

Sidereal Time 11h 56m 45s

J2000

Right Ascension 02h 32m 52s

Declination +34° 32’ 32”

Galactic Coordinates

Galactic Longitude 145.62°

Galactic Latitude -23.82°

Finder Chart

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Finder chart for HR738.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.83

Class Hypergiant

Absolute magnitude 1.32

Spectral Type K0III

Color Index (B-V) 1.07

Temperature 4581K

The red dot in the diagram below shows where HR738 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR738. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR738 is distant 259.97 light years from the Sun and it is moving towards the Sun at the speed of 2 kilometers per second.

Distance (parsec) 79.74

Distance (light year) 259.97

Radial Speed -2 km/s

Proper Motion RA -0.066 arcsec/y

Proper Motion Dec -0.012"/y

Alternative Designations

Henry Draper Catalogue HD15755

SAO Catalogue SAO55650

Hipparcos Catalogue HIP11840

Durchmusterung Catalogue BD+33 454

Visibility from Your Location

Today's HR738 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 55.3° RISE 23:29

Max altitude: 73.2° TRANSIT 9:31

Azimuth: 304.7° SET 19:29

Set Location

Other stars in Triangulum