HR5227

HR5227 is a multiple sub-giant star in the constellation of Draco.

HR5227 visual magnitude is 6.4. Because of its reltive faintness, HR5227 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 HR5227:

Color of HR5227 ⬤

Magnitude of HR5227 6.4

Class Sub-giant

VISIBILITY RIGHT NOW HR5227 is above the horizon from Greenwich, United Kingdom edit_location_alt. Altitude: 30°.

Celestial coordinates and finder chart of HR5227

HR5227 is situated close to the northern celestial pole and, as such, it is visible for most part of the year from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR5227 are provided in the following table:

Right Ascension J2000 13h 50m 59s

Declination J2000 +68° 18’ 55”

Galactic Longitude 114.79°

Galactic Latitude 47.86°

Constellation Draco

The simplified sky map below shows the position of HR5227 in the sky:

Simplified finder chart for HR5227.

Visibility of HR5227 from your location

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

HR5227 is circumpolar and transits at 21:02 UTC (altitude: 73.2°)

Digitized Sky Survey image of HR5227

The image below is a photograph of HR5227 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 HR5227 is -0.172 arcsec per year in Right Ascension and -0.055 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

DSS2 image of HR5227. The red arrow shows the motion of HR5227 during the next 1000 years (-2.87 arcmin in Right Ascension and -0.92 arcmin in declination);

Distance of HR5227 from the Sun and relative movement

HR5227 is distant 309.89 light years from the Sun and it is moving towards the Sun at the speed of 45 kilometers per second.

Distance (parsec) 95.06 pc

Distance (light year) 309.89 ly

Heliocentric radial velocity -45 km/s

Proper Motion RA -0.172 arcsec/year

Proper Motion Dec -0.055 arcsec/year

Spectral properties of HR5227

HR5227 belongs to spectral class K2 and has a luminosity class of IV corresponding to a sub-giant star.

Absolute magnitude 1.51

Spectral Type K2IV

Color Index (B-V) 1.17

Temperature of HR5227 4368K

The red dot in the diagram below shows where HR5227 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR5227. Attribution: Richard Powell / CC BY-SA

HR5227 star system properties

HR5227 is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the HR5227 double sysyem:

Main star magnitude 6.4

Secondary star magnitude 8.2

Magnitude difference 1.8

Separation 79.1 arcsec

Alternative designations of HR5227

Henry Draper Catalogue HD121146

SAO Catalogue SAO16197

Hipparcos Catalogue HIP67589

Durchmusterung Catalogue BD+69 724

FK5 Catalogue 3103

In Evidence

Other stars in Draco