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

HR743

HR743 is a giant star in the constellation of Cassiopeia.

HR743 visual magnitude is 5.16. Because of its reltive faintness, HR743 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 HR743:

5.16
Giant
HR743 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 39°.

Celestial coordinates and finder chart of HR743

HR743 is situated close to the northern celestial pole and, as such, it is visible for most part of the year from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR743 are provided in the following table:

02h 38m 02s
+72° 49’ 05”
130.71°
11.58°
Cassiopeia

The simplified sky map below shows the position of HR743 in the sky:

Finder chart HR743 star
Simplified finder chart for HR743.

Visibility of HR743 from your location

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

HR743 is circumpolar and transits at 17:27 UTC (altitude: 68.7°)

Digitized Sky Survey image of HR743

The image below is a photograph of HR743 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 HR743 is -0.03 arcsec per year in Right Ascension and 0.016 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR743 star
DSS2 image of HR743. The red arrow shows the motion of HR743 during the next 10000 years (-5.00 arcmin in Right Ascension and 2.67 arcmin in declination);

Distance of HR743 from the Sun and relative movement

HR743 is distant 256.09 light years from the Sun and it is moving towards the Sun at the speed of 2 kilometers per second.

78.55 pc
256.09 ly
-2 km/s
-0.03 arcsec/year
0.016 arcsec/year

Spectral properties of HR743

HR743 belongs to spectral class G8 and has a luminosity class of III corresponding to a giant star.

0.68
G8III
5051K

The red dot in the diagram below shows where HR743 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR743. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR743

SAO4694
SAO4694