HR5174

Altitude: -54.7° Azimuth: 82.5° Direction: East

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:

Color of HR5174 ⬤

Magnitude of HR5174 5.15

Class Hypergiant

VISIBILITY RIGHT NOW

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

Altitude: -54.7°
Azimuth: 82.5°
Direction: East

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:

Right Ascension J2000 13h 46m 56s

Declination J2000 -36° 15’ 06”

Galactic Longitude 315.28°

Galactic Latitude 25.29°

Constellation Centaurus

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

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° RISE 7:00

Max altitude: 2.3° TRANSIT 8:31

Azimuth: 233.7° SET 10:02

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.

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.

Distance (parsec) 131.41 pc

Distance (light year) 428.38 ly

Heliocentric radial velocity -10 km/s

Proper Motion RA -0.011 arcsec/year

Proper Motion Dec -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.

Absolute magnitude -0.44

Spectral Type A0V

Color Index (B-V) -0.02

Temperature of HR5174 10382K

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

Main star magnitude 5.15

Secondary star magnitude 12.45

Magnitude difference 7.3

Separation 26.3 arcsec

Alternative designations of HR5174

Henry Draper Catalogue HD119921

SAO Catalogue SAO204835

Hipparcos Catalogue HIP67244

Durchmusterung Catalogue CD-35 8995

FK5 Catalogue 3091

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