HR3802

HR3802 is a giant star in the constellation of Hydra.

HR3802 visual magnitude is 5.94. Because of its reltive faintness, HR3802 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 HR3802:

Color of HR3802 ⬤

Magnitude of HR3802 5.94

Class Giant

VISIBILITY RIGHT NOW HR3802 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of HR3802

HR3802 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 HR3802 are provided in the following table:

Right Ascension J2000 09h 32m 55s

Declination J2000 -13° 31’ 00”

Galactic Longitude 246.7°

Galactic Latitude 27°

Constellation Hydra

The simplified sky map below shows the position of HR3802 in the sky:

Simplified finder chart for HR3802.

Visibility of HR3802 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 HR3802 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: 103.5° RISE 13:20

Max altitude: 25.0° TRANSIT 18:08

Azimuth: 256.5° SET 22:57

RIGHT NOW HR3802 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR3802

The image below is a photograph of HR3802 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 HR3802 is -0.008 arcsec per year in Right Ascension and 0.003 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

DSS2 image of HR3802. The red arrow shows the motion of HR3802 during the next 100000 years (-13.33 arcmin in Right Ascension and 5.00 arcmin in declination);

Distance of HR3802 from the Sun and relative movement

HR3802 is distant 823.23 light years from the Sun and it is moving far from the Sun at the speed of 28 kilometers per second.

Distance (parsec) 252.53 pc

Distance (light year) 823.23 ly

Heliocentric radial velocity 28 km/s

Proper Motion RA -0.008 arcsec/year

Proper Motion Dec 0.003 arcsec/year

Spectral properties of HR3802

HR3802 belongs to spectral class K5 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude -1.07

Spectral Type K5III

Color Index (B-V) 1.5

Temperature of HR3802 3794K

The red dot in the diagram below shows where HR3802 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR3802. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR3802

Henry Draper Catalogue HD82660

SAO Catalogue SAO155281

Hipparcos Catalogue HIP46859

Durchmusterung Catalogue BD-12 2926

FK5 Catalogue 2761

In Evidence

Other stars in Hydra