HR1242

HR1242 is a hypergiant star in the constellation of Camelopardalis.

HR1242 visual magnitude is 5.06. Because of its reltive faintness, HR1242 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 HR1242:

Color of HR1242 ⬤

Magnitude of HR1242 5.06

Class Hypergiant

VISIBILITY RIGHT NOW HR1242 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 23°.

Celestial coordinates and finder chart of HR1242

HR1242 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 HR1242 are provided in the following table:

Right Ascension J2000 04h 04m 27s

Declination J2000 +59° 09’ 20”

Galactic Longitude 145.51°

Galactic Latitude 5.03°

Constellation Camelopardalis

The simplified sky map below shows the position of HR1242 in the sky:

Simplified finder chart for HR1242.

Visibility of HR1242 from your location

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

HR1242 is circumpolar and transits at 15:33 UTC (altitude: 82.3°)

Digitized Sky Survey image of HR1242

The image below is a photograph of HR1242 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 HR1242 is -0.002 arcsec per year in Right Ascension and 0.001 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

DSS2 image of HR1242. The red arrow shows the motion of HR1242 during the next 100000 years (-3.33 arcmin in Right Ascension and 1.67 arcmin in declination);

Distance of HR1242 from the Sun and relative movement

HR1242 is distant 1,734.04 light years from the Sun and it is moving towards the Sun at the speed of 20 kilometers per second.

Distance (parsec) 531.91 pc

Distance (light year) 1,734.04 ly

Heliocentric radial velocity -20 km/s

Proper Motion RA -0.002 arcsec/year

Proper Motion Dec 0.001 arcsec/year

Spectral properties of HR1242

HR1242 belongs to spectral class F0 and has a luminosity class of II corresponding to a hypergiant star.

Absolute magnitude -3.57

Spectral Type F0II

Color Index (B-V) 0.5

Temperature of HR1242 6389K

The red dot in the diagram below shows where HR1242 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR1242. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR1242

Henry Draper Catalogue HD25291

SAO Catalogue SAO24384

Hipparcos Catalogue HIP19018

Durchmusterung Catalogue BD+58 690

FK5 Catalogue 2290

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In Evidence

Other stars in Camelopardalis