HR3651

Altitude: -33.4° Azimuth: 16.8° Direction: North-North-East

HR3651 is a hypergiant star in the constellation of Hydra.

HR3651 visual magnitude is 6.14. Because of its reltive faintness, HR3651 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 HR3651:

Color of HR3651 ⬤

Magnitude of HR3651 6.14

Class Hypergiant

VISIBILITY RIGHT NOW

HR3651 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -33.4°
Azimuth: 16.8°
Direction: North-North-East

Celestial coordinates and finder chart of HR3651

HR3651 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 HR3651 are provided in the following table:

Right Ascension J2000 09h 12m 12s

Declination J2000 +03° 52’ 01”

Galactic Longitude 226.86°

Galactic Latitude 32.86°

Constellation Hydra

The simplified sky map below shows the position of HR3651 in the sky:

Simplified finder chart for HR3651.

Visibility of HR3651 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 HR3651 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: 86.1° RISE 21:48

Max altitude: 42.4° TRANSIT 4:09

Azimuth: 273.9° SET 10:26

Digitized Sky Survey image of HR3651

The image below is a photograph of HR3651 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 HR3651 is -0.044 arcsec per year in Right Ascension and -0.001 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR3651. The red arrow shows the motion of HR3651 during the next 10000 years (-7.33 arcmin in Right Ascension and -0.17 arcmin in declination);

Distance of HR3651 from the Sun and relative movement

HR3651 is distant 375.58 light years from the Sun and it is moving far from the Sun at the speed of 20 kilometers per second.

Distance (parsec) 115.21 pc

Distance (light year) 375.58 ly

Heliocentric radial velocity 20 km/s

Proper Motion RA -0.044 arcsec/year

Proper Motion Dec -0.001 arcsec/year

Spectral properties of HR3651

HR3651 belongs to spectral class A0 and has a luminosity class of V corresponding to a hypergiant star.

Absolute magnitude 0.83

Spectral Type A0V

Color Index (B-V) -0.01

Temperature of HR3651 10252K

The red dot in the diagram below shows where HR3651 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR3651. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR3651

Henry Draper Catalogue HD79108

SAO Catalogue SAO117492

Hipparcos Catalogue HIP45167

Durchmusterung Catalogue BD+04 2139

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In Evidence

Other stars in Hydra