HR4016

HR4016 is a main-sequence star in the constellation of Draco.

HR4016 visual magnitude is 6.4. Because of its reltive faintness, HR4016 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 HR4016:

Color of HR4016 ⬤

Magnitude of HR4016 6.4

Class Main-sequence

VISIBILITY RIGHT NOW HR4016 is above the horizon from Greenwich, United Kingdom edit_location_alt. Altitude: 55°.

Celestial coordinates and finder chart of HR4016

HR4016 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 HR4016 are provided in the following table:

Right Ascension J2000 10h 18m 01s

Declination J2000 +73° 04’ 23”

Galactic Longitude 136.52°

Galactic Latitude 39.75°

Constellation Draco

The simplified sky map below shows the position of HR4016 in the sky:

Simplified finder chart for HR4016.

Visibility of HR4016 from your location

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

HR4016 is circumpolar and transits at 17:34 UTC (altitude: 68.4°)

Digitized Sky Survey image of HR4016

The image below is a photograph of HR4016 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 HR4016 is -0.056 arcsec per year in Right Ascension and -0.079 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR4016. The red arrow shows the motion of HR4016 during the next 10000 years (-9.33 arcmin in Right Ascension and -13.17 arcmin in declination);

Distance of HR4016 from the Sun and relative movement

HR4016 is distant 203.24 light years from the Sun and it is moving far from the Sun at the speed of 16 kilometers per second.

Distance (parsec) 62.34 pc

Distance (light year) 203.24 ly

Heliocentric radial velocity 16 km/s

Proper Motion RA -0.056 arcsec/year

Proper Motion Dec -0.079 arcsec/year

Spectral properties of HR4016

HR4016 belongs to spectral class F2 and has a luminosity class of V corresponding to a main-sequence star.

Absolute magnitude 2.43

Spectral Type F2V

Color Index (B-V) 0.23

Temperature of HR4016 7938K

The red dot in the diagram below shows where HR4016 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4016. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4016

Henry Draper Catalogue HD88815

SAO Catalogue SAO7098

Hipparcos Catalogue HIP50447

Durchmusterung Catalogue BD+73 489

In Evidence

Other stars in Draco