10 Hydrae

10 Hydrae is a main-sequence star in the constellation of Hydra.

10 Hydrae visual magnitude is 6.13. Because of its reltive faintness, 10 Hydrae 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 10 Hydrae:

Color of 10 Hydrae ⬤

Magnitude of 10 Hydrae 6.13

Class Main-sequence

VISIBILITY RIGHT NOW 10 Hydrae is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of 10 Hydrae

10 Hydrae 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 10 Hydrae are provided in the following table:

Right Ascension J2000 08h 45m 01s

Declination J2000 +05° 40’ 50”

Galactic Longitude 221.23°

Galactic Latitude 27.79°

Constellation Hydra

The simplified sky map below shows the position of 10 Hydrae in the sky:

Simplified finder chart for 10 Hydrae.

Visibility of 10 Hydrae 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 10 Hydrae 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: 84.3° RISE 10:46

Max altitude: 44.2° TRANSIT 17:13

Azimuth: 275.7° SET 23:39

RIGHT NOW 10 Hydrae is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of 10 Hydrae

The image below is a photograph of 10 Hydrae 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 10 Hydrae is -0.001 arcsec per year in Right Ascension and -0.005 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

DSS2 image of 10 Hydrae. The red arrow shows the motion of 10 Hydrae during the next 100000 years (-1.67 arcmin in Right Ascension and -8.33 arcmin in declination);

Distance of 10 Hydrae from the Sun and relative movement

10 Hydrae is distant 206.59 light years from the Sun and it is moving towards the Sun at the speed of 9 kilometers per second.

Distance (parsec) 63.37 pc

Distance (light year) 206.59 ly

Heliocentric radial velocity -9 km/s

Proper Motion RA -0.001 arcsec/year

Proper Motion Dec -0.005 arcsec/year

Spectral properties of 10 Hydrae

10 Hydrae belongs to spectral class A6 and has a luminosity class of V corresponding to a main-sequence star.

Absolute magnitude 2.12

Spectral Type A6V

Color Index (B-V) 0.2

Temperature of 10 Hydrae 8163K

The red dot in the diagram below shows where 10 Hydrae is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 10 Hydrae. Attribution: Richard Powell / CC BY-SA

Alternative designations of 10 Hydrae

Flamsteed designation 10 Hydrae

Henry Draper Catalogue HD74591

SAO Catalogue SAO117088

Hipparcos Catalogue HIP42931

Durchmusterung Catalogue BD+06 2030

In Evidence

Other stars in Hydra