HR4215

HR4215 is a main-sequence star in the constellation of Ursa Major.

HR4215 visual magnitude is 6.39. Because of its reltive faintness, HR4215 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 HR4215:

Color of HR4215 ⬤

Magnitude of HR4215 6.39

Class Main-sequence

VISIBILITY RIGHT NOW HR4215 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 28°.

Celestial coordinates and finder chart of HR4215

HR4215 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 HR4215 are provided in the following table:

Right Ascension J2000 10h 48m 50s

Declination J2000 +65° 07’ 55”

Galactic Longitude 141.38°

Galactic Latitude 47.36°

Constellation Ursa Major

The simplified sky map below shows the position of HR4215 in the sky:

Simplified finder chart for HR4215.

Visibility of HR4215 from your location

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

HR4215 is circumpolar and transits at 22:04 UTC (altitude: 76.3°)

Digitized Sky Survey image of HR4215

The image below is a photograph of HR4215 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 HR4215 is 0.01 arcsec per year in Right Ascension and 0 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR4215. The red arrow shows the motion of HR4215 during the next 10000 years (1.67 arcmin in Right Ascension and 0.00 arcmin in declination);

Distance of HR4215 from the Sun and relative movement

HR4215 is distant 420.10 light years from the Sun and it is moving towards the Sun at the speed of 5 kilometers per second.

Distance (parsec) 128.87 pc

Distance (light year) 420.10 ly

Heliocentric radial velocity -5 km/s

Proper Motion RA 0.01 arcsec/year

Spectral properties of HR4215

HR4215 belongs to spectral class A1 and has a luminosity class of V corresponding to a main-sequence star.

Absolute magnitude 0.84

Spectral Type A1V

Color Index (B-V) -0.02

Temperature of HR4215 10382K

The red dot in the diagram below shows where HR4215 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4215. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4215

Henry Draper Catalogue HD93427

SAO Catalogue SAO15298

Hipparcos Catalogue HIP52877

Durchmusterung Catalogue BD+65 803

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In Evidence

Other stars in Ursa Major