HR2242

HR2242 is a hypergiant star in the constellation of Canis Major.

HR2242 visual magnitude is 5.91. Because of its reltive faintness, HR2242 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 HR2242:

Color of HR2242 ⬤

Magnitude of HR2242 5.91

Class Hypergiant

VISIBILITY RIGHT NOW HR2242 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of HR2242

HR2242 is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR2242 are provided in the following table:

Right Ascension J2000 06h 15m 08s

Declination J2000 -20° 16’ 19”

Galactic Longitude 227.51°

Galactic Latitude -16.84°

Constellation Canis Major

The simplified sky map below shows the position of HR2242 in the sky:

Simplified finder chart for HR2242.

Visibility of HR2242 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 HR2242 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: 110.3° RISE 10:27

Max altitude: 18.2° TRANSIT 14:36

Azimuth: 249.7° SET 18:44

RIGHT NOW HR2242 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR2242

The image below is a photograph of HR2242 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 HR2242 is 0.005 arcsec per year in Right Ascension and 0.03 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR2242. The red arrow shows the motion of HR2242 during the next 10000 years (0.83 arcmin in Right Ascension and 5.00 arcmin in declination);

Distance of HR2242 from the Sun and relative movement

HR2242 is distant 928.77 light years from the Sun and it is moving far from the Sun at the speed of 52 kilometers per second.

Distance (parsec) 284.90 pc

Distance (light year) 928.77 ly

Heliocentric radial velocity 52 km/s

Proper Motion RA 0.005 arcsec/year

Proper Motion Dec 0.03 arcsec/year

Spectral properties of HR2242

HR2242 belongs to spectral class K0

Absolute magnitude -1.36

Spectral Type K0

Color Index (B-V) 1.32

Temperature of HR2242 4086K

The red dot in the diagram below shows where HR2242 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR2242. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR2242

Henry Draper Catalogue HD43396

SAO Catalogue SAO171458

Hipparcos Catalogue HIP29679

Durchmusterung Catalogue BD-20 1336

In Evidence

Other stars in Canis Major