HR8542

Below the horizon. Rise: 4:16 | Tran: 8:02 | Set: 11:48

Alt: -0.49° Az: 129.12° Direction: South-East

HR8542 is a hypergiant star of spectral class A0 in the constellation of Aquarius.

HR8542 visual magnitude is 6.29. Because of its faintness, HR8542 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 HR8542. The red arrow shows the motion of HR8542 during the next 10000 years (3.00 arcmin in Right Ascension and -0.33 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 22h 27m 34s

Declination -23° 33’ 10”

Hour Angle 20h 08m 44s

Sidereal Time 18h 36m 18s

J2000

Right Ascension 22h 26m 10s

Declination -23° 40’ 57”

Galactic Coordinates

Galactic Longitude 30.71°

Galactic Latitude -57.13°

Finder Chart

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Finder chart for HR8542.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.29

Class Hypergiant

Absolute magnitude 0.38

Spectral Type A0V

Color Index (B-V) -0.03

Temperature 10516K

The red dot in the diagram below shows where HR8542 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR8542. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR8542 is distant 494.69 light years from the Sun and it is moving towards the Sun at the speed of 15 kilometers per second.

Distance (parsec) 151.75

Distance (light year) 494.69

Radial Speed -15 km/s

Proper Motion RA 0.018 arcsec/y

Proper Motion Dec -0.002"/y

Alternative Designations

Henry Draper Catalogue HD212643

SAO Catalogue SAO191144

Hipparcos Catalogue HIP110746

Durchmusterung Catalogue CD-2417171

FK5 Catalogue 3793

Visibility from Your Location

Today's HR8542 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 113.6° RISE 4:16

Max altitude: 15.0° TRANSIT 8:02

Azimuth: 246.4° SET 11:48

Set Location

Other stars in Aquarius