HR4228

HR4228 is a hypergiant star in the constellation of Carina.

HR4228 visual magnitude is 6. Because of its reltive faintness, HR4228 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 HR4228:

Color of HR4228 ⬤

Magnitude of HR4228 6

Class Hypergiant

VISIBILITY RIGHT NOW HR4228 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of HR4228

HR4228 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 HR4228 are provided in the following table:

Right Ascension J2000 10h 48m 05s

Declination J2000 -59° 55’ 09”

Galactic Longitude 288.04°

Galactic Latitude -0.66°

Constellation Carina

The simplified sky map below shows the position of HR4228 in the sky:

Simplified finder chart for HR4228.

Visibility of HR4228 from your location

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

HR4228 is currently not visible from Greenwich, United Kingdom edit_location_alt

Digitized Sky Survey image of HR4228

The image below is a photograph of HR4228 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 HR4228 is -0.001 arcsec per year in Right Ascension and 0.006 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

DSS2 image of HR4228. The red arrow shows the motion of HR4228 during the next 100000 years (-1.67 arcmin in Right Ascension and 10.00 arcmin in declination);

Distance of HR4228 from the Sun and relative movement

HR4228 is distant 32,600,000.00 light years from the Sun and it is moving towards the Sun at the speed of 24 kilometers per second.

Distance (parsec) 10,000,000.00 pc

Distance (light year) 32,600,000.00 ly

Heliocentric radial velocity -24 km/s

Proper Motion RA -0.001 arcsec/year

Proper Motion Dec 0.006 arcsec/year

Spectral properties of HR4228

HR4228 belongs to spectral class A0 and has a luminosity class of I corresponding to a hypergiant star.

Absolute magnitude -24.00

Spectral Type A0I

Color Index (B-V) 0.27

Temperature of HR4228 7658K

The red dot in the diagram below shows where HR4228 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4228. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4228

Henry Draper Catalogue HD93737

SAO Catalogue SAO238493

Hipparcos Catalogue HIP52827

Durchmusterung Catalogue CP-59 2720

FK5 Catalogue 2862

In Evidence

Other stars in Carina