HR2115

HR2115 is a hypergiant star in the constellation of Auriga.

HR2115 visual magnitude is 6.42. Because of its reltive faintness, HR2115 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 HR2115:

Color of HR2115 ⬤

Magnitude of HR2115 6.42

Class Hypergiant

VISIBILITY RIGHT NOW HR2115 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 73°.

Celestial coordinates and finder chart of HR2115

HR2115 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 HR2115 are provided in the following table:

Right Ascension J2000 06h 02m 53s

Declination J2000 +43° 22’ 42”

Galactic Longitude 169.15°

Galactic Latitude 10.21°

Constellation Auriga

The simplified sky map below shows the position of HR2115 in the sky:

Simplified finder chart for HR2115.

Visibility of HR2115 from your location

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

HR2115 is circumpolar and transits at 18:10 UTC (altitude: 81.9°)

Digitized Sky Survey image of HR2115

The image below is a photograph of HR2115 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 HR2115 is 0.02 arcsec per year in Right Ascension and -0.024 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR2115. The red arrow shows the motion of HR2115 during the next 10000 years (3.33 arcmin in Right Ascension and -4.00 arcmin in declination);

Distance of HR2115 from the Sun and relative movement

HR2115 is distant 410.06 light years from the Sun and it is moving towards the Sun at the speed of 19 kilometers per second.

Distance (parsec) 125.79 pc

Distance (light year) 410.06 ly

Heliocentric radial velocity -19 km/s

Proper Motion RA 0.02 arcsec/year

Proper Motion Dec -0.024 arcsec/year

Spectral properties of HR2115

HR2115 belongs to spectral class K0

Absolute magnitude 0.92

Spectral Type K0

Color Index (B-V)

Temperature of HR2115 10125K

The red dot in the diagram below shows where HR2115 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR2115. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR2115

Henry Draper Catalogue HD40722

SAO Catalogue SAO40808

Hipparcos Catalogue HIP28642

Durchmusterung Catalogue BD+43 1421

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In Evidence

Other stars in Auriga