HR7184

Altitude: 22.4° Azimuth: 16.5° Direction: North-North-East

HR7184 is a double sub-giant star in the constellation of Draco.

HR7184 visual magnitude is 6.46. Because of its reltive faintness, HR7184 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 HR7184:

Color of HR7184 ⬤

Magnitude of HR7184 6.46

Class Sub-giant

VISIBILITY RIGHT NOW

HR7184 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 22.4°
Azimuth: 16.5°
Direction: North-North-East

Celestial coordinates and finder chart of HR7184

HR7184 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 HR7184 are provided in the following table:

Right Ascension J2000 18h 57m 28s

Declination J2000 +58° 13’ 31”

Galactic Longitude 88.33°

Galactic Latitude 22.04°

Constellation Draco

The simplified sky map below shows the position of HR7184 in the sky:

Simplified finder chart for HR7184.

Visibility of HR7184 from your location

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

HR7184 is circumpolar and transits at 14:20 UTC (altitude: 83.3°)

Digitized Sky Survey image of HR7184

The image below is a photograph of HR7184 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 HR7184 is 0.014 arcsec per year in Right Ascension and 0.047 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR7184. The red arrow shows the motion of HR7184 during the next 10000 years (2.33 arcmin in Right Ascension and 7.83 arcmin in declination);

Distance of HR7184 from the Sun and relative movement

HR7184 is distant 379.51 light years from the Sun and it is moving towards the Sun at the speed of 8 kilometers per second.

Distance (parsec) 116.41 pc

Distance (light year) 379.51 ly

Heliocentric radial velocity -8 km/s

Proper Motion RA 0.014 arcsec/year

Proper Motion Dec 0.047 arcsec/year

Spectral properties of HR7184

HR7184 belongs to spectral class A2 and has a luminosity class of IV corresponding to a sub-giant star.

Absolute magnitude 1.13

Spectral Type A2IV

Color Index (B-V) 0.08

Temperature of HR7184 9226K

The red dot in the diagram below shows where HR7184 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR7184. Attribution: Richard Powell / CC BY-SA

HR7184 star system properties

HR7184 is a visual double star which can be observed with the help of large telescopes. The table below shows key information about the HR7184 double sysyem:

Main star magnitude 6.46

Secondary star magnitude 6.66

Magnitude difference 0.2

Separation 0.8 arcsec

Alternative designations of HR7184

Henry Draper Catalogue HD176560

SAO Catalogue SAO31292

Hipparcos Catalogue HIP93068

Durchmusterung Catalogue BD+58 1849

Aitken Double Star Catalogue ADS11897

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In Evidence

Other stars in Draco