HR158

HR158 is a variable dwarf star in the constellation of Cepheus.

HR158 visual magnitude is 6.4. Because of its reltive faintness, HR158 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 HR158:

Color of HR158 ⬤

Magnitude of HR158 6.4

Class Dwarf

VISIBILITY RIGHT NOW HR158 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 58°.

Celestial coordinates and finder chart of HR158

HR158 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 HR158 are provided in the following table:

Right Ascension J2000 00h 39m 47s

Declination J2000 +82° 29’ 38”

Galactic Longitude 122.53°

Galactic Latitude 19.63°

Constellation Cepheus

The simplified sky map below shows the position of HR158 in the sky:

Simplified finder chart for HR158.

Visibility of HR158 from your location

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

HR158 is circumpolar and transits at 12:21 UTC (altitude: 59.0°)

Digitized Sky Survey image of HR158

The image below is a photograph of HR158 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 HR158 is -0.111 arcsec per year in Right Ascension and 0.078 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

DSS2 image of HR158. The red arrow shows the motion of HR158 during the next 1000 years (-1.85 arcmin in Right Ascension and 1.30 arcmin in declination);

Distance of HR158 from the Sun and relative movement

HR158 is distant 105.33 light years from the Sun and it is moving towards the Sun at the speed of 33 kilometers per second.

Distance (parsec) 32.31 pc

Distance (light year) 105.33 ly

Heliocentric radial velocity -33 km/s

Proper Motion RA -0.111 arcsec/year

Proper Motion Dec 0.078 arcsec/year

Spectral properties of HR158

HR158 belongs to spectral class F6

Absolute magnitude 3.85

Spectral Type F6

Color Index (B-V) 0.55

Temperature of HR158 6170K

The red dot in the diagram below shows where HR158 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR158. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR158

Henry Draper Catalogue HD3440

SAO Catalogue SAO106

Hipparcos Catalogue HIP3132

Durchmusterung Catalogue BD+81 13

FK5 Catalogue 3941

General Catalogue of Variable Stars 235

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Other stars in Cepheus