HR9066

HR9066 is a variable and multiple giant star in the constellation of Cassiopeia.

HR9066 visual magnitude is 4.8. Because of its moderate brightness, HR9066 should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.

The table below summarizes the key facts about HR9066:

Color of HR9066 ⬤

Magnitude of HR9066 4.8

Class Giant

VISIBILITY RIGHT NOW HR9066 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 34°.

Celestial coordinates and finder chart of HR9066

HR9066 is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR9066 are provided in the following table:

Right Ascension J2000 23h 58m 24s

Declination J2000 +51° 23’ 18”

Galactic Longitude 114.56°

Galactic Latitude -10.62°

Constellation Cassiopeia

The simplified sky map below shows the position of HR9066 in the sky:

Simplified finder chart for HR9066.

Visibility of HR9066 from your location

Location: Greenwich, United Kingdom [change]
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

HR9066 is circumpolar and transits at 12:07 UTC (altitude: 89.9°)

Digitized Sky Survey image of HR9066

The image below is a photograph of HR9066 from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of HR9066 is 0.08 arcsec per year in Right Ascension and 0.009 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR9066. The red arrow shows the motion of HR9066 during the next 10000 years (13.33 arcmin in Right Ascension and 1.50 arcmin in declination);

Spectral properties of HR9066

HR9066 belongs to spectral class M7 and has a luminosity class of III corresponding to a giant star.

Spectral Type M7III

Color Index (B-V) 1.83

Temperature of HR9066 3356K

HR9066 star system properties

HR9066 is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the HR9066 double sysyem:

Main star magnitude 4.8

Secondary star magnitude 10.2

Magnitude difference 5.4

Separation 29.5 arcsec

Alternative designations of HR9066

Henry Draper Catalogue HD224490

SAO Catalogue SAO35938

Durchmusterung Catalogue BD+50 4202

General Catalogue of Variable Stars R Cas

Aitken Double Star Catalogue ADS17135

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