HR4443

Altitude: 6.9° Azimuth: 160.5° Direction: South-South-East

HR4443 is a double main-sequence star in the constellation of Hydra.

HR4443 visual magnitude is 5.81. Because of its reltive faintness, HR4443 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 HR4443:

Color of HR4443 ⬤

Magnitude of HR4443 5.81

Class Main-sequence

VISIBILITY RIGHT NOW

HR4443 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 6.9°
Azimuth: 160.5°
Direction: South-South-East

Celestial coordinates and finder chart of HR4443

HR4443 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 HR4443 are provided in the following table:

Right Ascension J2000 11h 32m 16s

Declination J2000 -29° 15’ 47”

Galactic Longitude 282.88°

Galactic Latitude 30.51°

Constellation Hydra

The simplified sky map below shows the position of HR4443 in the sky:

Simplified finder chart for HR4443.

Visibility of HR4443 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 HR4443 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: 119.3° RISE 3:56

Max altitude: 9.3° TRANSIT 6:56

Azimuth: 240.7° SET 9:56

Digitized Sky Survey image of HR4443

The image below is a photograph of HR4443 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 HR4443 is -0.014 arcsec per year in Right Ascension and 0.138 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

DSS2 image of HR4443. The red arrow shows the motion of HR4443 during the next 1000 years (-0.23 arcmin in Right Ascension and 2.30 arcmin in declination);

Distance of HR4443 from the Sun and relative movement

HR4443 is distant 87.07 light years from the Sun and it is moving far from the Sun at the speed of 10 kilometers per second.

Distance (parsec) 26.71 pc

Distance (light year) 87.07 ly

Heliocentric radial velocity 10 km/s

Proper Motion RA -0.014 arcsec/year

Proper Motion Dec 0.138 arcsec/year

Spectral properties of HR4443

HR4443 belongs to spectral class F8 and has a luminosity class of V corresponding to a main-sequence star.

Absolute magnitude 3.68

Spectral Type F8V

Color Index (B-V) 0.53

Temperature of HR4443 6256K

The red dot in the diagram below shows where HR4443 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4443. Attribution: Richard Powell / CC BY-SA

HR4443 star system properties

HR4443 is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the HR4443 double sysyem:

Main star magnitude 5.81

Secondary star magnitude 5.91

Magnitude difference 0.1

Separation 9.3 arcsec

Alternative designations of HR4443

Henry Draper Catalogue HD100286

SAO Catalogue SAO179967

Hipparcos Catalogue HIP56280

Durchmusterung Catalogue CD-28 8928

Aitken Double Star Catalogue ADS8202

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In Evidence

Other stars in Hydra