HR1020

Altitude: 15.8° Azimuth: 6.4° Direction: North

HR1020 is a giant star in the constellation of Perseus.

HR1020 visual magnitude is 6.51. Because of its reltive faintness, HR1020 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 HR1020:

Color of HR1020 ⬤

Magnitude of HR1020 6.51

Class Giant

VISIBILITY RIGHT NOW

HR1020 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 15.8°
Azimuth: 6.4°
Direction: North

Celestial coordinates and finder chart of HR1020

HR1020 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 HR1020 are provided in the following table:

Right Ascension J2000 03h 25m 48s

Declination J2000 +53° 55’ 18”

Galactic Longitude 144.5°

Galactic Latitude -2.36°

Constellation Perseus

The simplified sky map below shows the position of HR1020 in the sky:

Simplified finder chart for HR1020.

Visibility of HR1020 from your location

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

HR1020 is circumpolar and transits at 10:27 UTC (altitude: 87.6°)

Digitized Sky Survey image of HR1020

The image below is a photograph of HR1020 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 HR1020 is 0.088 arcsec per year in Right Ascension and -0.03 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR1020. The red arrow shows the motion of HR1020 during the next 10000 years (14.67 arcmin in Right Ascension and -5.00 arcmin in declination);

Distance of HR1020 from the Sun and relative movement

HR1020 is distant 253.89 light years from the Sun and it is moving towards the Sun at the speed of 4 kilometers per second.

Distance (parsec) 77.88 pc

Distance (light year) 253.89 ly

Heliocentric radial velocity -4 km/s

Proper Motion RA 0.088 arcsec/year

Proper Motion Dec -0.03 arcsec/year

Spectral properties of HR1020

HR1020 belongs to spectral class A9 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude 2.05

Spectral Type A9III

Color Index (B-V) 0.29

Temperature of HR1020 7526K

The red dot in the diagram below shows where HR1020 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR1020. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR1020

Henry Draper Catalogue HD21004

SAO Catalogue SAO24024

Hipparcos Catalogue HIP15979

Durchmusterung Catalogue BD+53 657

In Evidence

Other stars in Perseus