HR4159

Altitude: -47.7° Azimuth: 129.2° Direction: South-East

HR4159 is a variable bright giant star in the constellation of Carina.

HR4159 visual magnitude is 4.45. Because of its moderate brightness, HR4159 should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.

The table below summarizes the key facts about HR4159:

Color of HR4159 ⬤

Magnitude of HR4159 4.45

Class Bright giant

VISIBILITY RIGHT NOW

HR4159 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -47.7°
Azimuth: 129.2°
Direction: South-East

Celestial coordinates and finder chart of HR4159

HR4159 is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR4159 are provided in the following table:

Right Ascension J2000 10h 35m 35s

Declination J2000 -57° 33’ 28”

Galactic Longitude 285.49°

Galactic Latitude 0.64°

Constellation Carina

The simplified sky map below shows the position of HR4159 in the sky:

Simplified finder chart for HR4159.

Visibility of HR4159 from your location

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

HR4159 is currently not visible from Greenwich, United Kingdom edit_location_alt

Digitized Sky Survey image of HR4159

The image below is a photograph of HR4159 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 HR4159 is -0.023 arcsec per year in Right Ascension and 0 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR4159. The red arrow shows the motion of HR4159 during the next 10000 years (-3.83 arcmin in Right Ascension and 0.00 arcmin in declination);

Distance of HR4159 from the Sun and relative movement

HR4159 is distant 1,375.53 light years from the Sun and it is moving far from the Sun at the speed of 10 kilometers per second.

Distance (parsec) 421.94 pc

Distance (light year) 1,375.53 ly

Heliocentric radial velocity 10 km/s

Proper Motion RA -0.023 arcsec/year

Spectral properties of HR4159

HR4159 belongs to spectral class K3 and has a luminosity class of II corresponding to a bright giant star.

Absolute magnitude -3.68

Spectral Type K3II

Color Index (B-V) 1.62

Temperature of HR4159 3622K

The red dot in the diagram below shows where HR4159 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4159. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4159

Henry Draper Catalogue HD91942

SAO Catalogue SAO238222

Hipparcos Catalogue HIP51849

Durchmusterung Catalogue CP-56 3544

General Catalogue of Variable Stars 4904

In Evidence

Other stars in Carina