HR4117

Altitude: -34.2° Azimuth: 96.1° Direction: East

HR4117 is a giant star in the constellation of Hydra.

HR4117 visual magnitude is 5.58. Because of its reltive faintness, HR4117 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 HR4117:

Color of HR4117 ⬤

Magnitude of HR4117 5.58

Class Giant

VISIBILITY RIGHT NOW

HR4117 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -34.2°
Azimuth: 96.1°
Direction: East

Celestial coordinates and finder chart of HR4117

HR4117 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 HR4117 are provided in the following table:

Right Ascension J2000 10h 29m 29s

Declination J2000 -29° 39’ 48”

Galactic Longitude 269.46°

Galactic Latitude 23.83°

Constellation Hydra

The simplified sky map below shows the position of HR4117 in the sky:

Simplified finder chart for HR4117.

Visibility of HR4117 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 HR4117 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: 119.7° RISE 2:22

Max altitude: 8.9° TRANSIT 5:18

Azimuth: 240.3° SET 8:14

Digitized Sky Survey image of HR4117

The image below is a photograph of HR4117 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 HR4117 is -0.059 arcsec per year in Right Ascension and 0.015 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR4117. The red arrow shows the motion of HR4117 during the next 10000 years (-9.83 arcmin in Right Ascension and 2.50 arcmin in declination);

Distance of HR4117 from the Sun and relative movement

HR4117 is distant 387.17 light years from the Sun and it is moving towards the Sun at the speed of 5 kilometers per second.

Distance (parsec) 118.76 pc

Distance (light year) 387.17 ly

Heliocentric radial velocity -5 km/s

Proper Motion RA -0.059 arcsec/year

Proper Motion Dec 0.015 arcsec/year

Spectral properties of HR4117

HR4117 belongs to spectral class K5 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude 0.21

Spectral Type K5III

Color Index (B-V) 1.42

Temperature of HR4117 3918K

The red dot in the diagram below shows where HR4117 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4117. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4117

Henry Draper Catalogue HD90957

SAO Catalogue SAO178888

Hipparcos Catalogue HIP51364

Durchmusterung Catalogue CD-29 8381

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In Evidence

Other stars in Hydra