HR3810

Altitude: -60.6° Azimuth: 16.2° Direction: North-North-East

HR3810 is a hypergiant star in the constellation of Hydra.

HR3810 visual magnitude is 5.91. Because of its reltive faintness, HR3810 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 HR3810:

Color of HR3810 ⬤

Magnitude of HR3810 5.91

Class Hypergiant

VISIBILITY RIGHT NOW

HR3810 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -60.6°
Azimuth: 16.2°
Direction: North-North-East

Celestial coordinates and finder chart of HR3810

HR3810 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 HR3810 are provided in the following table:

Right Ascension J2000 09h 33m 26s

Declination J2000 -22° 51’ 50”

Galactic Longitude 254.38°

Galactic Latitude 20.82°

Constellation Hydra

The simplified sky map below shows the position of HR3810 in the sky:

Simplified finder chart for HR3810.

Visibility of HR3810 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 HR3810 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: 112.9° RISE 0:51

Max altitude: 15.7° TRANSIT 4:42

Azimuth: 247.1° SET 8:33

Digitized Sky Survey image of HR3810

The image below is a photograph of HR3810 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 HR3810 is -0.049 arcsec per year in Right Ascension and 0.06 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR3810. The red arrow shows the motion of HR3810 during the next 10000 years (-8.17 arcmin in Right Ascension and 10.00 arcmin in declination);

Distance of HR3810 from the Sun and relative movement

HR3810 is distant 296.90 light years from the Sun and it is moving far from the Sun at the speed of 15 kilometers per second.

Distance (parsec) 91.07 pc

Distance (light year) 296.90 ly

Heliocentric radial velocity 15 km/s

Proper Motion RA -0.049 arcsec/year

Proper Motion Dec 0.06 arcsec/year

Spectral properties of HR3810

HR3810 belongs to spectral class A0 and has a luminosity class of V corresponding to a hypergiant star.

Absolute magnitude 1.11

Spectral Type A0V

Color Index (B-V) 0.02

Temperature of HR3810 9882K

The red dot in the diagram below shows where HR3810 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR3810. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR3810

Henry Draper Catalogue HD82747

SAO Catalogue SAO177649

Hipparcos Catalogue HIP46897

Durchmusterung Catalogue BD-22 2645

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In Evidence

Other stars in Hydra