HR4922

HR4922 is a hypergiant star in the constellation of Centaurus.

HR4922 visual magnitude is 6.02. Because of its reltive faintness, HR4922 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 HR4922:

Color of HR4922 ⬤

Magnitude of HR4922 6.02

Class Hypergiant

VISIBILITY RIGHT NOW HR4922 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of HR4922

HR4922 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 HR4922 are provided in the following table:

Right Ascension J2000 13h 00m 32s

Declination J2000 -33° 30’ 19”

Galactic Longitude 305.11°

Galactic Latitude 29.33°

Constellation Centaurus

The simplified sky map below shows the position of HR4922 in the sky:

Simplified finder chart for HR4922.

Visibility of HR4922 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 HR4922 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: 123.5° RISE 19:21

Max altitude: 5.0° TRANSIT 21:36

Azimuth: 236.5° SET 23:50

RIGHT NOW HR4922 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR4922

The image below is a photograph of HR4922 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 HR4922 is -0.078 arcsec per year in Right Ascension and -0.079 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR4922. The red arrow shows the motion of HR4922 during the next 10000 years (-13.00 arcmin in Right Ascension and -13.17 arcmin in declination);

Distance of HR4922 from the Sun and relative movement

HR4922 is distant 130.50 light years from the Sun and it is moving towards the Sun at the speed of 23 kilometers per second.

Distance (parsec) 40.03 pc

Distance (light year) 130.50 ly

Heliocentric radial velocity -23 km/s

Proper Motion RA -0.078 arcsec/year

Proper Motion Dec -0.079 arcsec/year

Spectral properties of HR4922

HR4922 belongs to spectral class F0 and has a luminosity class of V corresponding to a hypergiant star.

Absolute magnitude 3.01

Spectral Type F0V

Color Index (B-V) 0.38

Temperature of HR4922 6989K

The red dot in the diagram below shows where HR4922 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4922. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4922

Henry Draper Catalogue HD112935

SAO Catalogue SAO204029

Hipparcos Catalogue HIP63490

Durchmusterung Catalogue CD-32 9083

FK5 Catalogue 3038

In Evidence

Other stars in Centaurus