5 Aquarii

5 Aquarii is a variable giant star in the constellation of Aquarius.

5 Aquarii visual magnitude is 5.55. Because of its reltive faintness, 5 Aquarii 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 5 Aquarii:

Color of 5 Aquarii ⬤

Magnitude of 5 Aquarii 5.55

Class Giant

VISIBILITY RIGHT NOW 5 Aquarii is above the horizon from Greenwich, United Kingdom edit_location_alt. Altitude: 26°.

Celestial coordinates and finder chart of 5 Aquarii

5 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 5 Aquarii are provided in the following table:

Right Ascension J2000 20h 52m 08s

Declination J2000 -05° 30’ 24”

Galactic Longitude 42.35°

Galactic Latitude -29.28°

Constellation Aquarius

The simplified sky map below shows the position of 5 Aquarii in the sky:

Simplified finder chart for 5 Aquarii.

Visibility of 5 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 5 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: 95.5° RISE 23:48

Max altitude: 33.0° TRANSIT 5:22

Azimuth: 264.5° SET 10:52

RIGHT NOW 5 Aquarii is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of 5 Aquarii

The image below is a photograph of 5 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 5 Aquarii is 0.002 arcsec per year in Right Ascension and 0 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

DSS2 image of 5 Aquarii. The red arrow shows the motion of 5 Aquarii during the next 100000 years (3.33 arcmin in Right Ascension and 0.00 arcmin in declination);

Distance of 5 Aquarii from the Sun and relative movement

5 Aquarii is distant 752.89 light years from the Sun and it is moving towards the Sun at the speed of 2 kilometers per second.

Distance (parsec) 230.95 pc

Distance (light year) 752.89 ly

Heliocentric radial velocity -2 km/s

Proper Motion RA 0.002 arcsec/year

Spectral properties of 5 Aquarii

5 Aquarii belongs to spectral class B9 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude -1.27

Spectral Type B9III

Color Index (B-V) -0.08

Temperature of 5 Aquarii 11247K

The red dot in the diagram below shows where 5 Aquarii is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 5 Aquarii. Attribution: Richard Powell / CC BY-SA

Alternative designations of 5 Aquarii

Flamsteed designation 5 Aquarii

Henry Draper Catalogue HD198667

SAO Catalogue SAO144889

Hipparcos Catalogue HIP103005

Durchmusterung Catalogue BD-06 5606

General Catalogue of Variable Stars 13360

In Evidence

Other stars in Aquarius