ι Cassiopeiae (iota Cassiopeiae)

Above the horizon. Circumpolar today

Alt: 73.96° Az: 359.69° Direction: North

ι Cassiopeiae is a variable and multiple star of spectral class A5 in the constellation of Cassiopeia.

ι Cassiopeiae visual magnitude is 4.52. Because of its moderate brightness, ι Cassiopeiae is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

Image of ι Cassiopeiae (iota Cassiopeiae) star

DSS2 image of ι Cassiopeiae. The red arrow shows the motion of ι Cassiopeiae during the next 10000 years (-2.83 arcmin in Right Ascension and 1.83 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 02h 31m 12s

Declination +67° 30’ 52”

Hour Angle 00h 00m 54s

Sidereal Time 02h 32m 06s

J2000

Right Ascension 02h 29m 03s

Declination +67° 24’ 09”

Galactic Coordinates

Galactic Longitude 132.12°

Galactic Latitude 6.29°

Finder Chart

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Finder chart for ι Cassiopeiae (iota Cassiopeiae).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.52

Class

ι Cassiopeiae is also a Sr chemically peculiar star.

Absolute magnitude 1.33

Spectral Type A5

Color Index (B-V) 0.12

Temperature 8839K

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

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

Star System Properties

ι Cassiopeiae is a visual double star which can be observed with the help of medium or large telescopes. The table below shows key information about the ι Cassiopeiae double sysyem:

Main star magnitude 4.52

Secondary star magnitude 6.72

Magnitude difference 2.2

Separation 2.3 arcsec

Distance, Radial Speed, Proper Motion

ι Cassiopeiae is distant 141.49 light years from the Sun and it is moving far from the Sun at the speed of 1 kilometers per second.

Distance (parsec) 43.40

Distance (light year) 141.49

Radial Speed 1 km/s

Proper Motion RA -0.017 arcsec/y

Proper Motion Dec 0.011"/y

Alternative Designations

Bayer designation ι Cassiopeiae
(iota Cassiopeiae)

Henry Draper Catalogue HD15089

SAO Catalogue SAO12298

Hipparcos Catalogue HIP11569

Durchmusterung Catalogue BD+66 213

General Catalogue of Variable Stars Iot Cas

Aitken Double Star Catalogue ADS1860

Visibility from Your Location

ι Cassiopeiae (iota Cassiopeiae) is circumpolar and transits at 09:50 UTC (altitude: 74.0°)

Set Location

Other stars in Cassiopeia