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public LocationGreenwich, United Kingdom
TimezoneEurope/London
Sunrise: 4:42 
Transit: 12:58 
Sunset: 21:15
sunny   (Daytime)   What's Visible Now?

τ2 Lupi (tau2 Lupi)

Below the horizon.  Never rises today
Altitude: -64.4°   Azimuth: 91.3°   Direction: East

τ2 Lupi is a double sub-giant star of spectral class F4 in the constellation of Lupus.

τ2 Lupi visual magnitude is 4.35. Because of its moderate brightness, τ2 Lupi is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

Celestial coordinates and finder chart of τ2 Lupi

Finder chart τ2 Lupi (tau2 Lupi) star
Simplified finder chart for τ2 Lupi (tau2 Lupi).

τ2 Lupi 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 τ2 Lupi are provided in the following table:

14h 26m 10s
-45° 22’ 45”
319.87°
14.35°
Lupus
Image of τ2 Lupi (tau2 Lupi) star
DSS2 image of τ2 Lupi. The red arrow shows the motion of τ2 Lupi during the next 10000 years (2.67 arcmin in Right Ascension and -1.33 arcmin in declination);

Key facts about τ2 Lupi

4.35
Sub-giant

and has a luminosity class of IV corresponding to a sub-giant star.

-0.57
F4IV
6724K

The red dot in the diagram below shows where τ2 Lupi is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of τ2 Lupi. Attribution: Richard Powell / CC BY-SA

τ2 Lupi star system properties

τ2 Lupi is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the τ2 Lupi double sysyem:

4.35
4.45
0.1
0.1 arcsec

Distance of τ2 Lupi from the Sun and relative movement

τ2 Lupi is distant 314.07 light years from the Sun and it is moving towards the Sun at the speed of 1 kilometers per second.

96.34 pc
314.07 ly
-1 km/s
0.016 arcsec/year
-0.008 arcsec/year

Alternative designations of τ2 Lupi

τ2 Lupi
(tau2 Lupi)
SAO224920
SAO224920

Visibility of τ2 Lupi from your location

τ2 Lupi (tau2 Lupi) is currently not visible from Greenwich, United Kingdom