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

HR598

HR598 is a hypergiant star in the constellation of Cassiopeia.

HR598 visual magnitude is 6.52. Because of its reltive faintness, HR598 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 HR598:

6.52
Hypergiant
HR598 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 33°.

Celestial coordinates and finder chart of HR598

HR598 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 HR598 are provided in the following table:

02h 04m 40s
+65° 06’ 11”
130.54°
3.32°
Cassiopeia

The simplified sky map below shows the position of HR598 in the sky:

Finder chart HR598 star
Simplified finder chart for HR598.

Visibility of HR598 from your location

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

HR598 is circumpolar and transits at 16:54 UTC (altitude: 76.4°)

Digitized Sky Survey image of HR598

The image below is a photograph of HR598 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 HR598 is 0.051 arcsec per year in Right Ascension and -0.032 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR598 star
DSS2 image of HR598. The red arrow shows the motion of HR598 during the next 10000 years (8.50 arcmin in Right Ascension and -5.33 arcmin in declination);

Distance of HR598 from the Sun and relative movement

HR598 is distant 333.33 light years from the Sun and it is moving towards the Sun at the speed of 4 kilometers per second.

102.25 pc
333.33 ly
-4 km/s
0.051 arcsec/year
-0.032 arcsec/year

Spectral properties of HR598

HR598 belongs to spectral class A0 and has a luminosity class of V corresponding to a hypergiant star.

1.47
A0V
10125K

The red dot in the diagram below shows where HR598 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR598. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR598

SAO12105
SAO12105