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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 4:47  
clear_day Transit: 12:56  
SunsetSet: 21:06 south
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All Constellations » Hydrus » 

η2 Hydri (eta2 Hydri)

η2 Hydri is a giant star in the constellation of Hydrus.

η2 Hydri visual magnitude is 4.69. Because of its moderate brightness, η2 Hydri should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.

The table below summarizes the key facts about η2 Hydri:

η2 Hydri (eta2 Hydri) is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of η2 Hydri

η2 Hydri 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 η2 Hydri are provided in the following table:

01h 54m 56s
-67° 38’ 49”

The simplified sky map below shows the position of η2 Hydri in the sky:

Finder chart η2 Hydri (eta2 Hydri) star
Simplified finder chart for η2 Hydri (eta2 Hydri).

Visibility of η2 Hydri from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

η2 Hydri (eta2 Hydri) is currently not visible from Greenwich, United Kingdom edit_location_alt

Digitized Sky Survey image of η2 Hydri

The image below is a photograph of η2 Hydri 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 η2 Hydri is 0.074 arcsec per year in Right Ascension and 0.074 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of η2 Hydri (eta2 Hydri) star
DSS2 image of η2 Hydri. The red arrow shows the motion of η2 Hydri during the next 10000 years (12.33 arcmin in Right Ascension and 12.33 arcmin in declination);

Distance of η2 Hydri from the Sun and relative movement

η2 Hydri is distant 216.76 light years from the Sun and it is moving towards the Sun at the speed of 16 kilometers per second.

66.49 pc
216.76 ly
-16 km/s
0.074 arcsec/year
0.074 arcsec/year

Spectral properties of η2 Hydri

η2 Hydri belongs to spectral class G8 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where η2 Hydri is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of η2 Hydri. Attribution: Richard Powell / CC BY-SA

Alternative designations of η2 Hydri

η2 Hydri
(eta2 Hydri)