We use cookies to deliver essential features and to measure their performance. By using this site you accept our Privacy Policies.
A Complete Guide to the Solar System and the Night Sky
Help keep this site free and ads-free! Donate Now!
public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 6:10  
clear_day Transit: 12:59  
SunsetSet: 19:49
sleep NighttimeWhat's Visible Now?
All Constellations » Phoenix » 

λ1 Phoenicis (lambda1 Phoenicis)

Altitude: -84.7°   Azimuth: 62.4°   Direction: East-North-East

λ1 Phoenicis is a double hypergiant star in the constellation of Phoenix.

λ1 Phoenicis visual magnitude is 4.77. Because of its moderate brightness, λ1 Phoenicis 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 λ1 Phoenicis is 0.143 arcsec per year in Right Ascension and 0.017 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of λ1 Phoenicis (lambda1 Phoenicis) star
DSS2 image of λ1 Phoenicis. The red arrow shows the motion of λ1 Phoenicis during the next 1000 years (2.38 arcmin in Right Ascension and 0.28 arcmin in declination);

Key facts about λ1 Phoenicis

4.77
Hypergiant

λ1 Phoenicis (lambda1 Phoenicis) is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -84.7°
Azimuth: 62.4°
Direction: East-North-East

Celestial coordinates and finder chart of λ1 Phoenicis

λ1 Phoenicis 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 λ1 Phoenicis are provided in the following table:

00h 31m 24s
-48° 48’ 12”
311.75°
-67.98°
Phoenix

The simplified sky map below shows the position of λ1 Phoenicis in the sky:

Finder chart λ1 Phoenicis (lambda1 Phoenicis) star
Simplified finder chart for λ1 Phoenicis (lambda1 Phoenicis).

Visibility of λ1 Phoenicis from your location

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

λ1 Phoenicis (lambda1 Phoenicis) is currently not visible from Greenwich, United Kingdom edit_location_alt

Distance of λ1 Phoenicis from the Sun and relative movement

λ1 Phoenicis is distant 171.85 light years from the Sun and it is moving towards the Sun at the speed of 2 kilometers per second.

52.71 pc
171.85 ly
-2 km/s
0.143 arcsec/year
0.017 arcsec/year

Spectral properties of λ1 Phoenicis

λ1 Phoenicis belongs to spectral class A0 and has a luminosity class of V corresponding to a hypergiant star.

1.16
A0V
9882K

The red dot in the diagram below shows where λ1 Phoenicis is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of λ1 Phoenicis. Attribution: Richard Powell / CC BY-SA

λ1 Phoenicis star system properties

λ1 Phoenicis 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 λ1 Phoenicis double sysyem:

4.77
13.57
8.8
30.3 arcsec

Alternative designations of λ1 Phoenicis

λ1 Phoenicis
(lambda1 Phoenicis)
SAO215131
SAO215131