HR6227

HR6227 is a variable giant star in the constellation of Hercules.

HR6227 visual magnitude is 5.56. Because of its reltive faintness, HR6227 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 HR6227:

Color of HR6227 ⬤

Magnitude of HR6227 5.56

Class Giant

VISIBILITY RIGHT NOW HR6227 is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of HR6227

HR6227 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 HR6227 are provided in the following table:

Right Ascension J2000 16h 45m 22s

Declination J2000 +15° 44’ 43”

Galactic Longitude 33.78°

Galactic Latitude 34.86°

Constellation Hercules

The simplified sky map below shows the position of HR6227 in the sky:

Simplified finder chart for HR6227.

Visibility of HR6227 from your location

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

Today's HR6227 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 74.3° RISE 21:30

Max altitude: 54.3° TRANSIT 4:55

Azimuth: 285.7° SET 12:16

RIGHT NOW HR6227 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR6227

The image below is a photograph of HR6227 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 HR6227 is 0.027 arcsec per year in Right Ascension and -0.043 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR6227. The red arrow shows the motion of HR6227 during the next 10000 years (4.50 arcmin in Right Ascension and -7.17 arcmin in declination);

Distance of HR6227 from the Sun and relative movement

HR6227 is distant 516.64 light years from the Sun and it is moving towards the Sun at the speed of 19 kilometers per second.

Distance (parsec) 158.48 pc

Distance (light year) 516.64 ly

Heliocentric radial velocity -19 km/s

Proper Motion RA 0.027 arcsec/year

Proper Motion Dec -0.043 arcsec/year

Spectral properties of HR6227

HR6227 belongs to spectral class M3 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude -0.44

Spectral Type M3III

Color Index (B-V) 1.66

Temperature of HR6227 3568K

The red dot in the diagram below shows where HR6227 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR6227. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR6227

Henry Draper Catalogue HD151203

SAO Catalogue SAO102365

Hipparcos Catalogue HIP82028

Durchmusterung Catalogue BD+16 3013

General Catalogue of Variable Stars 7950

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In Evidence

Other stars in Hercules