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🌎  Greenwich, United Kingdom [change]

η Lupi (eta Lupi)

η Lupi is a multiple sub-giant star in the constellation of Lupus.

η Lupi visual magnitude is 3.41. Because of its moderate brightness, η Lupi 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 η Lupi:

3.41
Sub-giant
η Lupi (eta Lupi) is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of η Lupi

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

16h 00m 07s
-38° 23’ 48”
338.77°
11.01°
Lupus

The simplified sky map below shows the position of η Lupi in the sky:

Finder chart η Lupi (eta Lupi) star
Simplified finder chart for η Lupi (eta Lupi).

Visibility of η Lupi from your location

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

Today's η Lupi (eta Lupi) rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 128.4°
Max altitude: 0.1°
Azimuth: 231.6°
η Lupi (eta Lupi) is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of η Lupi

The image below is a photograph of η Lupi 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 η Lupi is -0.022 arcsec per year in Right Ascension and -0.032 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of η Lupi (eta Lupi) star
DSS2 image of η Lupi. The red arrow shows the motion of η Lupi during the next 10000 years (-3.67 arcmin in Right Ascension and -5.33 arcmin in declination);

Distance of η Lupi from the Sun and relative movement

η Lupi is distant 493.19 light years from the Sun and it is moving far from the Sun at the speed of 8 kilometers per second.

151.29 pc
493.19 ly
8 km/s
-0.022 arcsec/year
-0.032 arcsec/year

Spectral properties of η Lupi

η Lupi belongs to spectral class B2 and has a luminosity class of IV corresponding to a sub-giant star.

-2.49
B2IV
14087K

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

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

η Lupi star system properties

η Lupi is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the η Lupi double sysyem:

3.41
7.81
4.4
15 arcsec

Alternative designations of η Lupi

η Lupi
(eta Lupi)
SAO207208
SAO207208