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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 7:49  
clear_day Transit: 11:49  
SunsetSet: 15:50 south
wb_twilight Nautical TwilightWhat's Visible Now?
All Constellations » Piscis Austrinus » 

HR8398

Altitude: 8.5°   Azimuth: 175.3°   Direction: South

HR8398 is a hypergiant star in the constellation of Piscis Austrinus.

HR8398 visual magnitude is 7.1. Because of its reltive faintness, HR8398 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 HR8398:

7.1
Hypergiant

HR8398 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 8.5°
Azimuth: 175.3°
Direction: South

Celestial coordinates and finder chart of HR8398

HR8398 is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR8398 are provided in the following table:

22h 03m 17s
-29° 54’ 15”
18.43°
-53.16°
Piscis Austrinus

The simplified sky map below shows the position of HR8398 in the sky:

Finder chart HR8398 star
Simplified finder chart for HR8398.

Visibility of HR8398 from your location

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

Today's HR8398 rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 119.9°
Max altitude: 8.6°
Azimuth: 240.1°

Digitized Sky Survey image of HR8398

The image below is a photograph of HR8398 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 HR8398 is 0.122 arcsec per year in Right Ascension and -0.014 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of HR8398 star
DSS2 image of HR8398. The red arrow shows the motion of HR8398 during the next 1000 years (2.03 arcmin in Right Ascension and -0.23 arcmin in declination);

Distance of HR8398 from the Sun and relative movement

HR8398 is distant 220.57 light years from the Sun and it is moving towards the Sun at the speed of 12 kilometers per second.

67.66 pc
220.57 ly
-12 km/s
0.122 arcsec/year
-0.014 arcsec/year

Spectral properties of HR8398

HR8398 belongs to spectral class F0 and has a luminosity class of III corresponding to a hypergiant star.

2.95
F0III
7337K

The red dot in the diagram below shows where HR8398 is situated in the HertzsprungÔÇôRussell diagram.

HR Diagram
H-R diagram showing the position of HR8398. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR8398

SAO213502
SAO213502