HR2903

HR2903 is a hypergiant star in the constellation of Lynx.

HR2903 visual magnitude is 5.65. Because of its reltive faintness, HR2903 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 HR2903:

Color of HR2903 ⬤

Magnitude of HR2903 5.65

Class Hypergiant

VISIBILITY RIGHT NOW HR2903 is above the horizon from Greenwich, United Kingdom edit_location_alt. Altitude: 12°.

Celestial coordinates and finder chart of HR2903

HR2903 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 HR2903 are provided in the following table:

Right Ascension J2000 07h 36m 31s

Declination J2000 +46° 10’ 49”

Galactic Longitude 172.41°

Galactic Latitude 26.71°

Constellation Lynx

The simplified sky map below shows the position of HR2903 in the sky:

Simplified finder chart for HR2903.

Visibility of HR2903 from your location

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

HR2903 is circumpolar and transits at 14:45 UTC (altitude: 84.7°)

Digitized Sky Survey image of HR2903

The image below is a photograph of HR2903 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 HR2903 is -0.028 arcsec per year in Right Ascension and -0.032 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR2903. The red arrow shows the motion of HR2903 during the next 10000 years (-4.67 arcmin in Right Ascension and -5.33 arcmin in declination);

Distance of HR2903 from the Sun and relative movement

HR2903 is distant 518.28 light years from the Sun and it is moving far from the Sun at the speed of 29 kilometers per second.

Distance (parsec) 158.98 pc

Distance (light year) 518.28 ly

Heliocentric radial velocity 29 km/s

Proper Motion RA -0.028 arcsec/year

Proper Motion Dec -0.032 arcsec/year

Spectral properties of HR2903

HR2903 belongs to spectral class M0 and has a luminosity class of III corresponding to a hypergiant star.

Absolute magnitude -0.36

Spectral Type M0III

Color Index (B-V) 1.56

Temperature of HR2903 3705K

The red dot in the diagram below shows where HR2903 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR2903. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR2903

Henry Draper Catalogue HD60437

SAO Catalogue SAO41879

Hipparcos Catalogue HIP37023

Durchmusterung Catalogue BD+46 1286

FK5 Catalogue 1195

In Evidence

Other stars in Lynx