We use cookies to deliver essential features and to measure their performance. By using this site you accept our Privacy Policies.
Help keep this site free and ads-free: donate now!
public LocationGreenwich, United Kingdom
TimezoneEurope/London
Sunrise: 4:58 
Transit: 12:55 
Sunset: 20:52
wb_twilight   (Nautical Twilight)   What's Visible Now?

ψ1 Lupi (psi1 Lupi)

Altitude: -6.8°   Azimuth: 220.1°   Direction: South-West

ψ1 Lupi is a giant star in the constellation of Lupus.

ψ1 Lupi visual magnitude is 4.67. Because of its moderate brightness, ψ1 Lupi should be easily visible from locations with dark skies, while it can be barely visible, or not visible at all, from skies affected by light pollution.

The proper motion of ψ1 Lupi is 0.004 arcsec per year in Right Ascension and -0.015 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of ψ1 Lupi (psi1 Lupi) star
DSS2 image of ψ1 Lupi. The red arrow shows the motion of ψ1 Lupi during the next 10000 years (0.67 arcmin in Right Ascension and -2.50 arcmin in declination);

Key facts about ψ1 Lupi

4.67
Giant

ψ1 Lupi (psi1 Lupi) is below the horizon from Greenwich, United Kingdom.

Altitude: -6.8°
Azimuth: 220.1°
Direction: South-West

Celestial coordinates and finder chart of ψ1 Lupi

ψ1 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 ψ1 Lupi are provided in the following table:

15h 39m 46s
-34° 24’ 42”
338.19°
16.69°
Lupus

The simplified sky map below shows the position of ψ1 Lupi in the sky:

Finder chart ψ1 Lupi (psi1 Lupi) star
Simplified finder chart for ψ1 Lupi (psi1 Lupi).

Visibility of ψ1 Lupi from your location

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

Today's ψ1 Lupi (psi1 Lupi) rise, transit and set times from Greenwich, United Kingdom are the following (all times relative to the local timezone Europe/London):

Azimuth: 124.4°
Max altitude: 4.1°
Azimuth: 235.6°

Distance of ψ1 Lupi from the Sun and relative movement

ψ1 Lupi is distant 244.74 light years from the Sun and it is moving towards the Sun at the speed of 23 kilometers per second.

75.08 pc
244.74 ly
-23 km/s
0.004 arcsec/year
-0.015 arcsec/year

Spectral properties of ψ1 Lupi

ψ1 Lupi belongs to spectral class G8 and has a luminosity class of III corresponding to a giant star.

0.29
G8III
4767K

The red dot in the diagram below shows where ψ1 Lupi is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of ψ1 Lupi. Attribution: Richard Powell / CC BY-SA

Alternative designations of ψ1 Lupi

ψ1 Lupi
(psi1 Lupi)
SAO206843
SAO206843