Your Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 4:45  
clear_day Transit: 12:57  
SunsetSet: 21:09 south
sunny DaytimeWhat's Visible Now
All Constellations » Centaurus » 

HR5174

Altitude: -58.6°   Azimuth: 283.6°   Direction: West-North-West

HR5174 is a double hypergiant star in the constellation of Centaurus.

HR5174 visual magnitude is 5.15. Because of its reltive faintness, HR5174 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 HR5174:

5.15
Hypergiant

HR5174 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -58.6°
Azimuth: 283.6°
Direction: West-North-West

Celestial coordinates and finder chart of HR5174

HR5174 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 HR5174 are provided in the following table:

13h 46m 56s
-36° 15’ 06”
315.28°
25.29°
Centaurus

The simplified sky map below shows the position of HR5174 in the sky:

Finder chart HR5174 star
Simplified finder chart for HR5174.

Visibility of HR5174 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 HR5174 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: 126.3°
Max altitude: 2.3°
Azimuth: 233.7°
HR5174 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR5174

The image below is a photograph of HR5174 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 HR5174 is -0.011 arcsec per year in Right Ascension and -0.009 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR5174 star
DSS2 image of HR5174. The red arrow shows the motion of HR5174 during the next 10000 years (-1.83 arcmin in Right Ascension and -1.50 arcmin in declination);

Distance of HR5174 from the Sun and relative movement

HR5174 is distant 428.38 light years from the Sun and it is moving towards the Sun at the speed of 10 kilometers per second.

131.41 pc
428.38 ly
-10 km/s
-0.011 arcsec/year
-0.009 arcsec/year

Spectral properties of HR5174

HR5174 belongs to spectral class A0 and has a luminosity class of V corresponding to a hypergiant star.

-0.44
A0V
10382K

The red dot in the diagram below shows where HR5174 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR5174. Attribution: Richard Powell / CC BY-SA

HR5174 star system properties

HR5174 is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the HR5174 double sysyem:

5.15
12.45
7.3
26.3 arcsec

Alternative designations of HR5174

SAO204835
SAO204835