48 Hydrae

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

48 Hydrae visual magnitude is 5.77. Because of its reltive faintness, 48 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 48 Hydrae:

Color of 48 Hydrae ⬤

Magnitude of 48 Hydrae 5.77

Class Main-sequence

VISIBILITY RIGHT NOW 48 Hydrae is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of 48 Hydrae

48 Hydrae is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of 48 Hydrae are provided in the following table:

Right Ascension J2000 14h 00m 00s

Declination J2000 -25° 00’ 37”

Galactic Longitude 322.04°

Galactic Latitude 35.31°

Constellation Hydra

The simplified sky map below shows the position of 48 Hydrae in the sky:

Simplified finder chart for 48 Hydrae.

Visibility of 48 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 48 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: 115.0° RISE 18:52

Max altitude: 13.5° TRANSIT 22:27

Azimuth: 245.0° SET 2:06

RIGHT NOW 48 Hydrae is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of 48 Hydrae

The image below is a photograph of 48 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 48 Hydrae is -0.196 arcsec per year in Right Ascension and -0.091 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

DSS2 image of 48 Hydrae. The red arrow shows the motion of 48 Hydrae during the next 1000 years (-3.27 arcmin in Right Ascension and -1.52 arcmin in declination);

Distance of 48 Hydrae from the Sun and relative movement

48 Hydrae is distant 187.03 light years from the Sun and it is moving towards the Sun at the speed of 17 kilometers per second.

Distance (parsec) 57.37 pc

Distance (light year) 187.03 ly

Heliocentric radial velocity -17 km/s

Proper Motion RA -0.196 arcsec/year

Proper Motion Dec -0.091 arcsec/year

Spectral properties of 48 Hydrae

48 Hydrae belongs to spectral class F7 and has a luminosity class of V corresponding to a main-sequence star.

Absolute magnitude 1.98

Spectral Type F7V

Color Index (B-V) 0.48

Temperature of 48 Hydrae 6481K

The red dot in the diagram below shows where 48 Hydrae is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 48 Hydrae. Attribution: Richard Powell / CC BY-SA

Alternative designations of 48 Hydrae

Flamsteed designation 48 Hydrae

Henry Draper Catalogue HD122066

SAO Catalogue SAO182152

Hipparcos Catalogue HIP68390

Durchmusterung Catalogue CD-2411215

FK5 Catalogue 1361

In Evidence

Other stars in Hydra