HR212

Altitude: 44.4° Azimuth: 23.8° Direction: North-North-East

HR212 is a hypergiant star in the constellation of Cassiopeia.

HR212 visual magnitude is 5.87. Because of its reltive faintness, HR212 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 HR212:

Color of HR212 ⬤

Magnitude of HR212 5.87

Class Hypergiant

VISIBILITY RIGHT NOW

HR212 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 44.4°
Azimuth: 23.8°
Direction: North-North-East

Celestial coordinates and finder chart of HR212

HR212 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 HR212 are provided in the following table:

Right Ascension J2000 00h 48m 09s

Declination J2000 +72° 40’ 29”

Galactic Longitude 122.68°

Galactic Latitude 9.8°

Constellation Cassiopeia

The simplified sky map below shows the position of HR212 in the sky:

Simplified finder chart for HR212.

Visibility of HR212 from your location

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

HR212 is circumpolar and transits at 07:34 UTC (altitude: 68.8°)

Digitized Sky Survey image of HR212

The image below is a photograph of HR212 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 HR212 is 0.13 arcsec per year in Right Ascension and 0.024 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

DSS2 image of HR212. The red arrow shows the motion of HR212 during the next 1000 years (2.17 arcmin in Right Ascension and 0.40 arcmin in declination);

Distance of HR212 from the Sun and relative movement

HR212 is distant 222.53 light years from the Sun and it is moving far from the Sun at the speed of 1 kilometers per second.

Distance (parsec) 68.26 pc

Distance (light year) 222.53 ly

Heliocentric radial velocity 1 km/s

Proper Motion RA 0.13 arcsec/year

Proper Motion Dec 0.024 arcsec/year

Spectral properties of HR212

HR212 belongs to spectral class K0 and has a luminosity class of IV corresponding to a hypergiant star.

Absolute magnitude 1.70

Spectral Type K0IV

Color Index (B-V) 1.01

Temperature of HR212 4719K

The red dot in the diagram below shows where HR212 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR212. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR212

Henry Draper Catalogue HD4440

SAO Catalogue SAO4229

Hipparcos Catalogue HIP3750

Durchmusterung Catalogue BD+71 37

In Evidence

Other stars in Cassiopeia