HR135

Above the horizon. Circumpolar today

Alt: 23.85° Az: 332.05° Direction: North-North-West

HR135 is a hypergiant star of spectral class K0 in the constellation of Cassiopeia.

HR135 visual magnitude is 5.93. Because of its faintness, HR135 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 HR135. The red arrow shows the motion of HR135 during the next 10000 years (11.83 arcmin in Right Ascension and -7.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 00h 34m 35s

Declination +55° 02’ 04”

Hour Angle 08h 46m 20s

Sidereal Time 09h 20m 55s

J2000

Right Ascension 00h 33m 10s

Declination +54° 53’ 42”

Galactic Coordinates

Galactic Longitude 120.28°

Galactic Latitude -7.88°

Finder Chart

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Finder chart for HR135.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.93

Class Hypergiant

Absolute magnitude 0.62

Spectral Type K0III

Color Index (B-V) 1.04

Temperature 4649K

The red dot in the diagram below shows where HR135 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR135. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR135 is distant 375.58 light years from the Sun and it is moving towards the Sun at the speed of 35 kilometers per second.

Distance (parsec) 115.21

Distance (light year) 375.58

Radial Speed -35 km/s

Proper Motion RA 0.071 arcsec/y

Proper Motion Dec -0.042"/y

Alternative Designations

Henry Draper Catalogue HD2952

SAO Catalogue SAO21512

Hipparcos Catalogue HIP2611

Durchmusterung Catalogue BD+54 101

Visibility from Your Location

HR135 is circumpolar and transits at 09:13 UTC (altitude: 86.4°)

Set Location

Other stars in Cassiopeia