HR7500

Altitude: 72.5° Azimuth: 48.4° Direction: North-East

HR7500 is a double main-sequence star in the constellation of Draco.

HR7500 visual magnitude is 6.51. Because of its reltive faintness, HR7500 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 HR7500:

Color of HR7500 ⬤

Magnitude of HR7500 6.51

Class Main-sequence

VISIBILITY RIGHT NOW

HR7500 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 72.5°
Azimuth: 48.4°
Direction: North-East

Celestial coordinates and finder chart of HR7500

HR7500 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 HR7500 are provided in the following table:

Right Ascension J2000 19h 40m 13s

Declination J2000 +60° 30’ 25”

Galactic Longitude 92.59°

Galactic Latitude 17.72°

Constellation Draco

The simplified sky map below shows the position of HR7500 in the sky:

Simplified finder chart for HR7500.

Visibility of HR7500 from your location

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

HR7500 is circumpolar and transits at 02:31 UTC (altitude: 81.0°)

Digitized Sky Survey image of HR7500

The image below is a photograph of HR7500 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 HR7500 is -0.008 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 HR7500. The red arrow shows the motion of HR7500 during the next 100000 years (-13.33 arcmin in Right Ascension and -8.33 arcmin in declination);

Distance of HR7500 from the Sun and relative movement

HR7500 is distant 391.36 light years from the Sun and it is moving towards the Sun at the speed of 1 kilometers per second.

Distance (parsec) 120.05 pc

Distance (light year) 391.36 ly

Heliocentric radial velocity -1 km/s

Proper Motion RA -0.008 arcsec/year

Proper Motion Dec -0.005 arcsec/year

Spectral properties of HR7500

HR7500 belongs to spectral class A5 and has a luminosity class of V corresponding to a main-sequence star.

Absolute magnitude 1.11

Spectral Type A5V

Color Index (B-V) 0.22

Temperature of HR7500 8011K

The red dot in the diagram below shows where HR7500 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR7500. Attribution: Richard Powell / CC BY-SA

HR7500 star system properties

HR7500 is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the HR7500 double sysyem:

Main star magnitude 6.51

Secondary star magnitude 8.71

Magnitude difference 2.2

Separation 18.3 arcsec

Alternative designations of HR7500

Henry Draper Catalogue HD186340

SAO Catalogue SAO18461

Hipparcos Catalogue HIP96771

Durchmusterung Catalogue BD+60 1991

Aitken Double Star Catalogue ADS12789

In Evidence

Other stars in Draco