HR7210

Altitude: 16.7° Azimuth: 336.6° Direction: North-North-West

HR7210 is a sub-giant star in the constellation of Draco.

HR7210 visual magnitude is 5.38. Because of its reltive faintness, HR7210 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 HR7210:

Color of HR7210 ⬤

Magnitude of HR7210 5.38

Class Sub-giant

VISIBILITY RIGHT NOW

HR7210 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 16.7°
Azimuth: 336.6°
Direction: North-North-West

Celestial coordinates and finder chart of HR7210

HR7210 is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR7210 are provided in the following table:

Right Ascension J2000 19h 00m 13s

Declination J2000 +50° 32’ 00”

Galactic Longitude 80.64°

Galactic Latitude 19.29°

Constellation Draco

The simplified sky map below shows the position of HR7210 in the sky:

Simplified finder chart for HR7210.

Visibility of HR7210 from your location

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

HR7210 is circumpolar and transits at 02:11 UTC (altitude: 89.1°)

Digitized Sky Survey image of HR7210

The image below is a photograph of HR7210 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 HR7210 is 0.009 arcsec per year in Right Ascension and 0.005 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

DSS2 image of HR7210. The red arrow shows the motion of HR7210 during the next 100000 years (15.00 arcmin in Right Ascension and 8.33 arcmin in declination);

Distance of HR7210 from the Sun and relative movement

HR7210 is distant 623.33 light years from the Sun and it is moving towards the Sun at the speed of 19 kilometers per second.

Distance (parsec) 191.20 pc

Distance (light year) 623.33 ly

Heliocentric radial velocity -19 km/s

Proper Motion RA 0.009 arcsec/year

Proper Motion Dec 0.005 arcsec/year

Spectral properties of HR7210

HR7210 belongs to spectral class B2 and has a luminosity class of IV corresponding to a sub-giant star.

Absolute magnitude -1.03

Spectral Type B2IV

Color Index (B-V) -0.18

Temperature of HR7210 13121K

The red dot in the diagram below shows where HR7210 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR7210. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR7210

Henry Draper Catalogue HD177003

SAO Catalogue SAO31311

Hipparcos Catalogue HIP93299

Durchmusterung Catalogue BD+50 2708

FK5 Catalogue 3515

In Evidence

Other stars in Draco