π Lupi (pi Lupi)

Altitude: -29.2° Azimuth: 130.1° Direction: South-East

π Lupi is a double sub-giant star in the constellation of Lupus.

π Lupi visual magnitude is 4.82. Because of its moderate brightness, π 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 π Lupi:

Color of π Lupi ⬤

Magnitude of π Lupi 4.82

Class Sub-giant

VISIBILITY RIGHT NOW

π Lupi (pi Lupi) is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -29.2°
Azimuth: 130.1°
Direction: South-East

Celestial coordinates and finder chart of π Lupi

π 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 π Lupi are provided in the following table:

Right Ascension J2000 15h 05m 07s

Declination J2000 -47° 03’ 03”

Galactic Longitude 325.33°

Galactic Latitude 9.93°

Constellation Lupus

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

Simplified finder chart for π Lupi (pi Lupi).

Visibility of π Lupi from your location

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

π Lupi (pi Lupi) is currently not visible from Greenwich, United Kingdom edit_location_alt

Digitized Sky Survey image of π Lupi

The image below is a photograph of π 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 π Lupi is -0.019 arcsec per year in Right Ascension and -0.019 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of π Lupi. The red arrow shows the motion of π Lupi during the next 10000 years (-3.17 arcmin in Right Ascension and -3.17 arcmin in declination);

Spectral properties of π Lupi

π Lupi belongs to spectral class B5 and has a luminosity class of IV corresponding to a sub-giant star.

Spectral Type B5IV

Color Index (B-V)

Temperature of π Lupi 10125K

π Lupi star system properties

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

Main star magnitude 4.82

Secondary star magnitude 4.92

Magnitude difference 0.1

Separation 1.8 arcsec

Alternative designations of π Lupi

Bayer designation π Lupi
(pi Lupi)

Henry Draper Catalogue HD133243

SAO Catalogue SAO225426

Durchmusterung Catalogue CD-46 9773

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