HR4163

Altitude: -26.0° Azimuth: 281.4° Direction: West-North-West

HR4163 is a variable bright giant star in the constellation of Hydra.

HR4163 visual magnitude is 4.82. Because of its moderate brightness, HR4163 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 HR4163:

Color of HR4163 ⬤

Magnitude of HR4163 4.82

Class Bright giant

VISIBILITY RIGHT NOW

HR4163 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -26.0°
Azimuth: 281.4°
Direction: West-North-West

Celestial coordinates and finder chart of HR4163

HR4163 is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR4163 are provided in the following table:

Right Ascension J2000 10h 37m 33s

Declination J2000 -13° 23’ 03”

Galactic Longitude 259.97°

Galactic Latitude 38.07°

Constellation Hydra

The simplified sky map below shows the position of HR4163 in the sky:

Simplified finder chart for HR4163.

Visibility of HR4163 from your location

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

Today's HR4163 rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 103.4° RISE 13:41

Max altitude: 25.1° TRANSIT 18:30

Azimuth: 256.6° SET 23:19

RIGHT NOW HR4163 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR4163

The image below is a photograph of HR4163 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 HR4163 is 0.034 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 HR4163. The red arrow shows the motion of HR4163 during the next 10000 years (5.67 arcmin in Right Ascension and -5.33 arcmin in declination);

Distance of HR4163 from the Sun and relative movement

HR4163 is distant 527.51 light years from the Sun and it is moving towards the Sun at the speed of 25 kilometers per second.

Distance (parsec) 161.81 pc

Distance (light year) 527.51 ly

Heliocentric radial velocity -25 km/s

Proper Motion RA 0.034 arcsec/year

Proper Motion Dec -0.032 arcsec/year

Spectral properties of HR4163

HR4163 belongs to spectral class C5 and has a luminosity class of II corresponding to a bright giant star.

Absolute magnitude -1.23

Spectral Type C5II

Color Index (B-V) 2.68

Temperature of HR4163 2595K

The red dot in the diagram below shows where HR4163 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4163. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4163

Henry Draper Catalogue HD92055

SAO Catalogue SAO156110

Hipparcos Catalogue HIP52009

Durchmusterung Catalogue BD-12 3218

General Catalogue of Variable Stars U Hya

In Evidence

Other stars in Hydra