Your guide to the Solar System and the night sky
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🌎  Greenwich, United Kingdom [change]

φ Aquilae (phi Aquilae)

φ Aquilae is a sub-giant star in the constellation of Aquila.

φ Aquilae visual magnitude is 5.28. Because of its reltive faintness, φ Aquilae should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about φ Aquilae:

5.28
Sub-giant
φ Aquilae (phi Aquilae) is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of φ Aquilae

φ Aquilae is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of φ Aquilae are provided in the following table:

19h 56m 14s
+11° 25’ 26”
50.66°
-8.8°
Aquila

The simplified sky map below shows the position of φ Aquilae in the sky:

Finder chart φ Aquilae (phi Aquilae) star
Simplified finder chart for φ Aquilae (phi Aquilae).

Visibility of φ Aquilae from your location

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

Today's φ Aquilae (phi Aquilae) rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 78.6°
Max altitude: 49.9°
Azimuth: 281.4°
φ Aquilae (phi Aquilae) is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of φ Aquilae

The image below is a photograph of φ Aquilae 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 φ Aquilae is 0.034 arcsec per year in Right Ascension and 0.009 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of φ Aquilae (phi Aquilae) star
DSS2 image of φ Aquilae. The red arrow shows the motion of φ Aquilae during the next 10000 years (5.67 arcmin in Right Ascension and 1.50 arcmin in declination);

Distance of φ Aquilae from the Sun and relative movement

φ Aquilae is distant 205.81 light years from the Sun and it is moving towards the Sun at the speed of 27 kilometers per second.

63.13 pc
205.81 ly
-27 km/s
0.034 arcsec/year
0.009 arcsec/year

Spectral properties of φ Aquilae

φ Aquilae belongs to spectral class A1 and has a luminosity class of IV corresponding to a sub-giant star.

1.28
A1IV
10252K

The red dot in the diagram below shows where φ Aquilae is situated in the Hertzsprung–Russell diagram.

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

Alternative designations of φ Aquilae

φ Aquilae
(phi Aquilae)
SAO105438
SAO105438