HR4675

HR4675 is a double hypergiant star in the constellation of Centaurus.

HR4675 visual magnitude is 6.15. Because of its reltive faintness, HR4675 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 HR4675:

Color of HR4675 ⬤

Magnitude of HR4675 6.15

Class Hypergiant

VISIBILITY RIGHT NOW HR4675 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of HR4675

HR4675 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 HR4675 are provided in the following table:

Right Ascension J2000 12h 17m 47s

Declination J2000 -36° 05’ 38”

Galactic Longitude 295.36°

Galactic Latitude 26.28°

Constellation Centaurus

The simplified sky map below shows the position of HR4675 in the sky:

Simplified finder chart for HR4675.

Visibility of HR4675 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 HR4675 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: 126.1° RISE 18:51

Max altitude: 2.4° TRANSIT 20:25

Azimuth: 233.9° SET 22:00

RIGHT NOW HR4675 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR4675

The image below is a photograph of HR4675 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 HR4675 is -0.037 arcsec per year in Right Ascension and -0.006 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR4675. The red arrow shows the motion of HR4675 during the next 10000 years (-6.17 arcmin in Right Ascension and -1.00 arcmin in declination);

Distance of HR4675 from the Sun and relative movement

HR4675 is distant 488.02 light years from the Sun and it is moving towards the Sun at the speed of 14 kilometers per second.

Distance (parsec) 149.70 pc

Distance (light year) 488.02 ly

Heliocentric radial velocity -14 km/s

Proper Motion RA -0.037 arcsec/year

Proper Motion Dec -0.006 arcsec/year

Spectral properties of HR4675

HR4675 belongs to spectral class A0 and has a luminosity class of V corresponding to a hypergiant star.

Absolute magnitude 0.27

Spectral Type A0V

Color Index (B-V) 0.01

Temperature of HR4675 10002K

The red dot in the diagram below shows where HR4675 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4675. Attribution: Richard Powell / CC BY-SA

HR4675 star system properties

HR4675 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 HR4675 double sysyem:

Main star magnitude 6.15

Secondary star magnitude 6.45

Magnitude difference 0.3

Separation 0.5 arcsec

Alternative designations of HR4675

Henry Draper Catalogue HD106922

SAO Catalogue SAO203319

Hipparcos Catalogue HIP59950

Durchmusterung Catalogue CD-35 7842

In Evidence

Other stars in Centaurus