HR3636

HR3636 is a giant star in the constellation of Hydra.

HR3636 visual magnitude is 5.77. Because of its reltive faintness, HR3636 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 HR3636:

Color of HR3636 ⬤

Magnitude of HR3636 5.77

Class Giant

VISIBILITY RIGHT NOW HR3636 is above the horizon from Greenwich, United Kingdom edit_location_alt. Altitude: 25°.

Celestial coordinates and finder chart of HR3636

HR3636 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 HR3636 are provided in the following table:

Right Ascension J2000 09h 09m 11s

Declination J2000 -12° 21’ 28”

Galactic Longitude 241.7°

Galactic Latitude 23.21°

Constellation Hydra

The simplified sky map below shows the position of HR3636 in the sky:

Simplified finder chart for HR3636.

Visibility of HR3636 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 HR3636 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: 102.4° RISE 12:27

Max altitude: 26.2° TRANSIT 17:21

Azimuth: 257.6° SET 22:16

RIGHT NOW HR3636 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR3636

The image below is a photograph of HR3636 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 HR3636 is 0.019 arcsec per year in Right Ascension and 0.003 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR3636. The red arrow shows the motion of HR3636 during the next 10000 years (3.17 arcmin in Right Ascension and 0.50 arcmin in declination);

Distance of HR3636 from the Sun and relative movement

HR3636 is distant 459.80 light years from the Sun and it is moving towards the Sun at the speed of 9 kilometers per second.

Distance (parsec) 141.04 pc

Distance (light year) 459.80 ly

Heliocentric radial velocity -9 km/s

Proper Motion RA 0.019 arcsec/year

Proper Motion Dec 0.003 arcsec/year

Spectral properties of HR3636

HR3636 belongs to spectral class G6 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude 0.02

Spectral Type G6III

Color Index (B-V) 0.94

Temperature of HR3636 4892K

The red dot in the diagram below shows where HR3636 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR3636. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR3636

Henry Draper Catalogue HD78668

SAO Catalogue SAO154953

Hipparcos Catalogue HIP44936

Durchmusterung Catalogue BD-11 2565

FK5 Catalogue 1240

In Evidence

Other stars in Hydra