HR4160

Altitude: -30.1° Azimuth: 69.4° Direction: East-North-East

HR4160 is a hypergiant star in the constellation of Hydra.

HR4160 visual magnitude is 6.52. Because of its reltive faintness, HR4160 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 HR4160:

Color of HR4160 ⬤

Magnitude of HR4160 6.52

Class Hypergiant

VISIBILITY RIGHT NOW

HR4160 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -30.1°
Azimuth: 69.4°
Direction: East-North-East

Celestial coordinates and finder chart of HR4160

HR4160 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 HR4160 are provided in the following table:

Right Ascension J2000 10h 37m 11s

Declination J2000 -11° 44’ 54”

Galactic Longitude 258.56°

Galactic Latitude 39.29°

Constellation Hydra

The simplified sky map below shows the position of HR4160 in the sky:

Simplified finder chart for HR4160.

Visibility of HR4160 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 HR4160 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: 101.7° RISE 0:28

Max altitude: 26.8° TRANSIT 5:26

Azimuth: 258.3° SET 10:24

Digitized Sky Survey image of HR4160

The image below is a photograph of HR4160 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 HR4160 is -0.051 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 HR4160. The red arrow shows the motion of HR4160 during the next 10000 years (-8.50 arcmin in Right Ascension and -5.33 arcmin in declination);

Distance of HR4160 from the Sun and relative movement

HR4160 is distant 217.04 light years from the Sun and it is moving far from the Sun at the speed of 9 kilometers per second.

Distance (parsec) 66.58 pc

Distance (light year) 217.04 ly

Heliocentric radial velocity 9 km/s

Proper Motion RA -0.051 arcsec/year

Proper Motion Dec -0.032 arcsec/year

Spectral properties of HR4160

HR4160 belongs to spectral class F0 and has a luminosity class of V corresponding to a hypergiant star.

Absolute magnitude 2.40

Spectral Type F0V

Color Index (B-V) 0.29

Temperature of HR4160 7526K

The red dot in the diagram below shows where HR4160 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4160. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4160

Henry Draper Catalogue HD91992

SAO Catalogue SAO156105

Hipparcos Catalogue HIP51974

Durchmusterung Catalogue BD-10 3094

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In Evidence

Other stars in Hydra