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public LocationGreenwich, United Kingdom
TimezoneEurope/London
Sunrise: 4:42 
Transit: 12:59 
Sunset: 21:17
sunny   (Daytime)   What's Visible Now?

φ1 Lupi (phi1 Lupi)

Below the horizon.  Rise: 21:04 | Tran: 22:35 | Set: 0:06
Altitude: -30.1°   Azimuth: 248.4°   Direction: West-South-West

φ1 Lupi is a multiple giant star of spectral class K5 in the constellation of Lupus.

φ1 Lupi visual magnitude is 3.56. Because of its moderate brightness, φ1 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 φ1 Lupi

Finder chart φ1 Lupi (phi1 Lupi) star
Simplified finder chart for φ1 Lupi (phi1 Lupi).

φ1 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 φ1 Lupi are provided in the following table:

15h 21m 48s
-36° 15’ 41”
333.96°
17.39°
Lupus
Image of φ1 Lupi (phi1 Lupi) star
DSS2 image of φ1 Lupi. The red arrow shows the motion of φ1 Lupi during the next 10000 years (-14.83 arcmin in Right Ascension and -14.00 arcmin in declination);

Key facts about φ1 Lupi

3.56
Giant

and has a luminosity class of III corresponding to a giant star.

-1.44
K5III
3734K

The red dot in the diagram below shows where φ1 Lupi is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of φ1 Lupi. Attribution: Richard Powell / CC BY-SA

φ1 Lupi star system properties

φ1 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 φ1 Lupi double sysyem:

3.56
14.46
10.9
17.3 arcsec

Distance of φ1 Lupi from the Sun and relative movement

φ1 Lupi is distant 326.33 light years from the Sun and it is moving towards the Sun at the speed of 29 kilometers per second.

100.10 pc
326.33 ly
-29 km/s
-0.089 arcsec/year
-0.084 arcsec/year

Alternative designations of φ1 Lupi

φ1 Lupi
(phi1 Lupi)
SAO206552
SAO206552

Visibility of φ1 Lupi from your location

Today's φ1 Lupi (phi1 Lupi) rise, transit and set times from Greenwich, United Kingdom are the following (all times relative to the local timezone Europe/London):

Azimuth: 126.3°
Max altitude: 2.3°
Azimuth: 233.7°