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A Complete Guide to the Solar System and the Night Sky
public LocationGreenwich, United Kingdom
TimezoneEurope/London
Sunrise: 5:29 
Transit: 12:55 
Sunset: 20:22
sunny   (Daytime)   What's Visible Now?
All Constellations » Phoenix » 

HR198

Altitude: -4.6°   Azimuth: 172.3°   Direction: South

HR198 is a hypergiant star in the constellation of Phoenix.

HR198 visual magnitude is 5.94. Because of its reltive faintness, HR198 should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of HR198 is -0.086 arcsec per year in Right Ascension and -0.102 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of HR198 star
DSS2 image of HR198. The red arrow shows the motion of HR198 during the next 1000 years (-1.43 arcmin in Right Ascension and -1.70 arcmin in declination);

Key facts about HR198

5.94
Hypergiant

HR198 is below the horizon from Greenwich, United Kingdom.

Altitude: -4.6°
Azimuth: 172.3°
Direction: South

Celestial coordinates and finder chart of HR198

HR198 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 HR198 are provided in the following table:

00h 44m 57s
-42° 40’ 36”
307.36°
-74.4°
Phoenix

The simplified sky map below shows the position of HR198 in the sky:

Finder chart HR198 star
Simplified finder chart for HR198.

Visibility of HR198 from your location

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

HR198 is currently not visible from Greenwich, United Kingdom

Distance of HR198 from the Sun and relative movement

HR198 is distant 217.19 light years from the Sun and it is moving far from the Sun at the speed of 10 kilometers per second.

66.62 pc
217.19 ly
10 km/s
-0.086 arcsec/year
-0.102 arcsec/year

Spectral properties of HR198

HR198 belongs to spectral class F0 and has a luminosity class of V corresponding to a hypergiant star.

1.82
F0V
7591K

The red dot in the diagram below shows where HR198 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR198. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR198

SAO215221
SAO215221