HR7428

Altitude: 20.3° Azimuth: 18.0° Direction: North-North-East

HR7428 is a variable bright giant star in the constellation of Cygnus.

HR7428 visual magnitude is 6.37. Because of its reltive faintness, HR7428 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 HR7428:

Color of HR7428 ⬤

Magnitude of HR7428 6.37

Class Bright giant

VISIBILITY RIGHT NOW

HR7428 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 20.3°
Azimuth: 18.0°
Direction: North-North-East

Celestial coordinates and finder chart of HR7428

HR7428 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 HR7428 are provided in the following table:

Right Ascension J2000 19h 31m 13s

Declination J2000 +55° 43’ 54”

Galactic Longitude 87.51°

Galactic Latitude 16.87°

Constellation Cygnus

The simplified sky map below shows the position of HR7428 in the sky:

Simplified finder chart for HR7428.

Visibility of HR7428 from your location

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

HR7428 is circumpolar and transits at 02:42 UTC (altitude: 85.7°)

Digitized Sky Survey image of HR7428

The image below is a photograph of HR7428 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 HR7428 is -0.002 arcsec per year in Right Ascension and -0.011 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR7428. The red arrow shows the motion of HR7428 during the next 10000 years (-0.33 arcmin in Right Ascension and -1.83 arcmin in declination);

Distance of HR7428 from the Sun and relative movement

HR7428 is distant 1,051.61 light years from the Sun and it is moving towards the Sun at the speed of 6 kilometers per second.

Distance (parsec) 322.58 pc

Distance (light year) 1,051.61 ly

Heliocentric radial velocity -6 km/s

Proper Motion RA -0.002 arcsec/year

Proper Motion Dec -0.011 arcsec/year

Spectral properties of HR7428

HR7428 belongs to spectral class K2 and has a luminosity class of II corresponding to a bright giant star.

Absolute magnitude -1.17

Spectral Type K2II

Color Index (B-V) 1.16

Temperature of HR7428 4389K

The red dot in the diagram below shows where HR7428 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR7428. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR7428

Henry Draper Catalogue HD184398

SAO Catalogue SAO31741

Hipparcos Catalogue HIP96003

Durchmusterung Catalogue BD+55 2215

General Catalogue of Variable Stars V1817 Cyg

In Evidence

Other stars in Cygnus