HR1732

Above the horizon. Rise: 5:01 | Tran: 14:46 | Set: 0:31

Alt: 58.08° Az: 250.81° Direction: West-South-West

HR1732 is a variable hypergiant star of spectral class A0 in the constellation of Auriga.

HR1732 visual magnitude is 5.41. Because of its faintness, HR1732 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 HR1732. The red arrow shows the motion of HR1732 during the next 10000 years (1.83 arcmin in Right Ascension and -4.17 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 05h 20m 40s

Declination +33° 46’ 22”

Hour Angle 02h 27m 39s

Sidereal Time 07h 48m 20s

J2000

Right Ascension 05h 19m 00s

Declination +33° 44’ 53”

Galactic Coordinates

Galactic Longitude 172.86°

Galactic Latitude -2.13°

Finder Chart

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Finder chart for HR1732.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.41

Class Hypergiant

HR1732 is also a Si chemically peculiar star.

Absolute magnitude -0.28

Spectral Type A0

Color Index (B-V) -0.19

Temperature 13348K

The red dot in the diagram below shows where HR1732 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR1732. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR1732 is distant 447.80 light years from the Sun and it is moving far from the Sun at the speed of 29 kilometers per second.

Distance (parsec) 137.36

Distance (light year) 447.80

Radial Speed 29 km/s

Proper Motion RA 0.011 arcsec/y

Proper Motion Dec -0.025"/y

Alternative Designations

Henry Draper Catalogue HD34452

SAO Catalogue SAO57884

Hipparcos Catalogue HIP24799

Durchmusterung Catalogue BD+33 1008

General Catalogue of Variable Stars IQ Aur

Visibility from Your Location

Today's HR1732 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 56.2° RISE 5:01

Max altitude: 72.3° TRANSIT 14:46

Azimuth: 303.8° SET 0:31

Set Location

Other stars in Auriga