Your guide to the Solar System and the night sky
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🌎  Observing from: Greenwich, United Kingdom [change]

HR144

HR144 is a giant star in the constellation of Cassiopeia.

HR144 visual magnitude is 5.08. Because of its reltive faintness, HR144 should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about HR144:

5.08
Giant
HR144 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 16°.

Celestial coordinates and finder chart of HR144

HR144 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 HR144 are provided in the following table:

00h 36m 08s
+54° 10’ 06”
120.67°
-8.64°
Cassiopeia

The simplified sky map below shows the position of HR144 in the sky:

Finder chart HR144 star
Simplified finder chart for HR144.

Visibility of HR144 from your location

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

HR144 is circumpolar and transits at 15:26 UTC (altitude: 87.3°)

Digitized Sky Survey image of HR144

The image below is a photograph of HR144 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 HR144 is 0.022 arcsec per year in Right Ascension and 0 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR144 star
DSS2 image of HR144. The red arrow shows the motion of HR144 during the next 10000 years (3.67 arcmin in Right Ascension and 0.00 arcmin in declination);

Distance of HR144 from the Sun and relative movement

HR144 is distant 505.43 light years from the Sun and it is moving far from the Sun at the speed of 1 kilometers per second.

155.04 pc
505.43 ly
1 km/s
0.022 arcsec/year

Spectral properties of HR144

HR144 belongs to spectral class B7 and has a luminosity class of III corresponding to a giant star.

-0.87
B7III
11744K

The red dot in the diagram below shows where HR144 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR144. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR144

SAO21551
SAO21551