HR4445

Altitude: -0.8° Azimuth: 225.2° Direction: South-West

HR4445 is a giant star in the constellation of Hydra.

HR4445 visual magnitude is 6.16. Because of its reltive faintness, HR4445 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 HR4445:

Color of HR4445 ⬤

Magnitude of HR4445 6.16

Class Giant

VISIBILITY RIGHT NOW

HR4445 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -0.8°
Azimuth: 225.2°
Direction: South-West

Celestial coordinates and finder chart of HR4445

HR4445 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 HR4445 are provided in the following table:

Right Ascension J2000 11h 32m 23s

Declination J2000 -26° 44’ 48”

Galactic Longitude 281.86°

Galactic Latitude 32.87°

Constellation Hydra

The simplified sky map below shows the position of HR4445 in the sky:

Simplified finder chart for HR4445.

Visibility of HR4445 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 HR4445 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: 116.7° RISE 8:42

Max altitude: 11.8° TRANSIT 12:04

Azimuth: 243.3° SET 15:26

Digitized Sky Survey image of HR4445

The image below is a photograph of HR4445 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 HR4445 is -0.079 arcsec per year in Right Ascension and 0.033 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR4445. The red arrow shows the motion of HR4445 during the next 10000 years (-13.17 arcmin in Right Ascension and 5.50 arcmin in declination);

Distance of HR4445 from the Sun and relative movement

HR4445 is distant 727.68 light years from the Sun and it is moving far from the Sun at the speed of 35 kilometers per second.

Distance (parsec) 223.21 pc

Distance (light year) 727.68 ly

Heliocentric radial velocity 35 km/s

Proper Motion RA -0.079 arcsec/year

Proper Motion Dec 0.033 arcsec/year

Spectral properties of HR4445

HR4445 belongs to spectral class M1 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude -0.58

Spectral Type M1III

Color Index (B-V) 1.66

Temperature of HR4445 3568K

The red dot in the diagram below shows where HR4445 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4445. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4445

Henry Draper Catalogue HD100307

SAO Catalogue SAO179969

Hipparcos Catalogue HIP56293

Durchmusterung Catalogue CD-26 8620

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In Evidence

Other stars in Hydra