HR342

HR342 is a variable main-sequence star in the constellation of Cassiopeia.

HR342 visual magnitude is 5.55. Because of its reltive faintness, HR342 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 HR342:

Color of HR342 ⬤

Magnitude of HR342 5.55

Class Main-sequence

VISIBILITY RIGHT NOW HR342 is above the horizon from Greenwich, United Kingdom edit_location_alt. Altitude: 29°.

Celestial coordinates and finder chart of HR342

HR342 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 HR342 are provided in the following table:

Right Ascension J2000 01h 11m 25s

Declination J2000 +64° 12’ 10”

Galactic Longitude 125.1°

Galactic Latitude 1.42°

Constellation Cassiopeia

The simplified sky map below shows the position of HR342 in the sky:

Simplified finder chart for HR342.

Visibility of HR342 from your location

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

HR342 is circumpolar and transits at 08:48 UTC (altitude: 77.3°)

Digitized Sky Survey image of HR342

The image below is a photograph of HR342 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 HR342 is 0.04 arcsec per year in Right Ascension and -0.013 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR342. The red arrow shows the motion of HR342 during the next 10000 years (6.67 arcmin in Right Ascension and -2.17 arcmin in declination);

Distance of HR342 from the Sun and relative movement

HR342 is distant 409.55 light years from the Sun and it is moving towards the Sun at the speed of 10 kilometers per second.

Distance (parsec) 125.63 pc

Distance (light year) 409.55 ly

Heliocentric radial velocity -10 km/s

Proper Motion RA 0.04 arcsec/year

Proper Motion Dec -0.013 arcsec/year

Spectral properties of HR342

HR342 belongs to spectral class B9 and has a luminosity class of V corresponding to a main-sequence star.

Absolute magnitude 0.05

Spectral Type B9V

Color Index (B-V) -0.07

Temperature of HR342 11092K

The red dot in the diagram below shows where HR342 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR342. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR342

Henry Draper Catalogue HD6960

SAO Catalogue SAO11615

Hipparcos Catalogue HIP5566

Durchmusterung Catalogue BD+63 149

General Catalogue of Variable Stars 424

In Evidence

Other stars in Cassiopeia