HR112

HR112 is a hypergiant star in the constellation of Cassiopeia.

HR112 visual magnitude is 6.21. Because of its reltive faintness, HR112 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 HR112:

Color of HR112 ⬤

Magnitude of HR112 6.21

Class Hypergiant

VISIBILITY RIGHT NOW HR112 is above the horizon from Greenwich, United Kingdom edit_location_alt. Altitude: 39°.

Celestial coordinates and finder chart of HR112

HR112 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 HR112 are provided in the following table:

Right Ascension J2000 00h 30m 55s

Declination J2000 +77° 01’ 09”

Galactic Longitude 121.74°

Galactic Latitude 14.2°

Constellation Cassiopeia

The simplified sky map below shows the position of HR112 in the sky:

Simplified finder chart for HR112.

Visibility of HR112 from your location

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

HR112 is circumpolar and transits at 07:48 UTC (altitude: 64.5°)

Digitized Sky Survey image of HR112

The image below is a photograph of HR112 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 HR112 is 0.337 arcsec per year in Right Ascension and -0.038 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

DSS2 image of HR112. The red arrow shows the motion of HR112 during the next 1000 years (5.62 arcmin in Right Ascension and -0.63 arcmin in declination);

Distance of HR112 from the Sun and relative movement

HR112 is distant 128.50 light years from the Sun and it is moving far from the Sun at the speed of 19 kilometers per second.

Distance (parsec) 39.42 pc

Distance (light year) 128.50 ly

Heliocentric radial velocity 19 km/s

Proper Motion RA 0.337 arcsec/year

Proper Motion Dec -0.038 arcsec/year

Spectral properties of HR112

HR112 belongs to spectral class K0 and has a luminosity class of IV corresponding to a hypergiant star.

Absolute magnitude 3.23

Spectral Type K0IV

Color Index (B-V) 0.84

Temperature of HR112 5163K

The red dot in the diagram below shows where HR112 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR112. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR112

Henry Draper Catalogue HD2589

SAO Catalogue SAO4130

Hipparcos Catalogue HIP2422

Durchmusterung Catalogue BD+76 10

FK5 Catalogue 2031

In Evidence

Other stars in Cassiopeia