HR1720

Altitude: 24.1° Azimuth: 359.1° Direction: North

HR1720 is a supergiant star in the constellation of Camelopardalis.

HR1720 visual magnitude is 5.61. Because of its reltive faintness, HR1720 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 HR1720:

Color of HR1720 ⬤

Magnitude of HR1720 5.61

Class Supergiant

VISIBILITY RIGHT NOW

HR1720 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 24.1°
Azimuth: 359.1°
Direction: North

Celestial coordinates and finder chart of HR1720

HR1720 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 HR1720 are provided in the following table:

Right Ascension J2000 05h 20m 22s

Declination J2000 +62° 39’ 12”

Galactic Longitude 148.85°

Galactic Latitude 14.29°

Constellation Camelopardalis

The simplified sky map below shows the position of HR1720 in the sky:

Simplified finder chart for HR1720.

Visibility of HR1720 from your location

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

HR1720 is circumpolar and transits at 12:06 UTC (altitude: 78.8°)

Digitized Sky Survey image of HR1720

The image below is a photograph of HR1720 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 HR1720 is -0.003 arcsec per year in Right Ascension and -0.002 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

DSS2 image of HR1720. The red arrow shows the motion of HR1720 during the next 100000 years (-5.00 arcmin in Right Ascension and -3.33 arcmin in declination);

Distance of HR1720 from the Sun and relative movement

HR1720 is distant 1,975.76 light years from the Sun and it is moving towards the Sun at the speed of 6 kilometers per second.

Distance (parsec) 606.06 pc

Distance (light year) 1,975.76 ly

Heliocentric radial velocity -6 km/s

Proper Motion RA -0.003 arcsec/year

Proper Motion Dec -0.002 arcsec/year

Spectral properties of HR1720

HR1720 belongs to spectral class K4 and has a luminosity class of I corresponding to a supergiant star.

Absolute magnitude -3.30

Spectral Type K4I

Color Index (B-V) 1.75

Temperature of HR1720 3453K

The red dot in the diagram below shows where HR1720 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR1720. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR1720

Henry Draper Catalogue HD34255

SAO Catalogue SAO13460

Hipparcos Catalogue HIP24914

Durchmusterung Catalogue BD+62 742

FK5 Catalogue 2397

In Evidence

Other stars in Camelopardalis