HR7425

HR7425 is a double main-sequence star in the constellation of Draco.

HR7425 visual magnitude is 6.53. Because of its reltive faintness, HR7425 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 HR7425:

Color of HR7425 ⬤

Magnitude of HR7425 6.53

Class Main-sequence

VISIBILITY RIGHT NOW HR7425 is above the horizon from Greenwich, United Kingdom edit_location_alt. Altitude: 58°.

Celestial coordinates and finder chart of HR7425

HR7425 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 HR7425 are provided in the following table:

Right Ascension J2000 19h 15m 07s

Declination J2000 +83° 27’ 46”

Galactic Longitude 115.68°

Galactic Latitude 26.27°

Constellation Draco

The simplified sky map below shows the position of HR7425 in the sky:

Simplified finder chart for HR7425.

Visibility of HR7425 from your location

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

HR7425 is circumpolar and transits at 02:33 UTC (altitude: 58.0°)

Digitized Sky Survey image of HR7425

The image below is a photograph of HR7425 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 HR7425 is 0.008 arcsec per year in Right Ascension and 0.012 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR7425. The red arrow shows the motion of HR7425 during the next 10000 years (1.33 arcmin in Right Ascension and 2.00 arcmin in declination);

Distance of HR7425 from the Sun and relative movement

HR7425 is distant 491.70 light years from the Sun and it is moving towards the Sun at the speed of 14 kilometers per second.

Distance (parsec) 150.83 pc

Distance (light year) 491.70 ly

Heliocentric radial velocity -14 km/s

Proper Motion RA 0.008 arcsec/year

Proper Motion Dec 0.012 arcsec/year

Spectral properties of HR7425

HR7425 belongs to spectral class A3 and has a luminosity class of V corresponding to a main-sequence star.

Absolute magnitude 0.64

Spectral Type A3V

Color Index (B-V) 0.1

Temperature of HR7425 9028K

The red dot in the diagram below shows where HR7425 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR7425. Attribution: Richard Powell / CC BY-SA

HR7425 star system properties

HR7425 is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the HR7425 double sysyem:

Main star magnitude 6.53

Secondary star magnitude 10.23

Magnitude difference 3.7

Separation 25 arcsec

Alternative designations of HR7425

Henry Draper Catalogue HD184146

SAO Catalogue SAO3209

Hipparcos Catalogue HIP94604

Durchmusterung Catalogue BD+83 552

FK5 Catalogue 3962

In Evidence

Other stars in Draco