φ Aquarii (phi Aquarii)

Altitude: -44.1° Azimuth: 348.8° Direction: North

φ Aquarii is a giant star in the constellation of Aquarius.

φ Aquarii visual magnitude is 4.22. Because of its moderate brightness, φ Aquarii 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 φ Aquarii:

Color of φ Aquarii ⬤

Magnitude of φ Aquarii 4.22

Class Giant

VISIBILITY RIGHT NOW

φ Aquarii (phi Aquarii) is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -44.1°
Azimuth: 348.8°
Direction: North

Celestial coordinates and finder chart of φ Aquarii

φ Aquarii 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 Aquarii are provided in the following table:

Right Ascension J2000 23h 14m 19s

Declination J2000 -06° 02’ 56”

Galactic Longitude 70.94°

Galactic Latitude -58.74°

Constellation Aquarius

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

Finder chart φ Aquarii (phi Aquarii) star

Simplified finder chart for φ Aquarii (phi Aquarii).

Visibility of φ Aquarii from your location

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

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

Azimuth: 96.0° RISE 17:53

Max altitude: 32.5° TRANSIT 23:20

Azimuth: 264.0° SET 4:52

Digitized Sky Survey image of φ Aquarii

The image below is a photograph of φ Aquarii 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 Aquarii is 0.042 arcsec per year in Right Ascension and -0.196 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

DSS2 image of φ Aquarii. The red arrow shows the motion of φ Aquarii during the next 1000 years (0.70 arcmin in Right Ascension and -3.27 arcmin in declination);

Distance of φ Aquarii from the Sun and relative movement

φ Aquarii is distant 222.07 light years from the Sun

Distance (parsec) 68.12 pc

Distance (light year) 222.07 ly

Proper Motion RA 0.042 arcsec/year

Proper Motion Dec -0.196 arcsec/year

Spectral properties of φ Aquarii

φ Aquarii belongs to spectral class M1 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude 0.05

Spectral Type M1III

Color Index (B-V) 1.56

Temperature of φ Aquarii 3705K

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

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

Alternative designations of φ Aquarii

Bayer designation φ Aquarii
(phi Aquarii)

Flamsteed designation 90 Aquarii

Henry Draper Catalogue HD219215

SAO Catalogue SAO146585

Hipparcos Catalogue HIP114724

Durchmusterung Catalogue BD-06 6170

FK5 Catalogue 1607

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In Evidence

Other stars in Aquarius