86 Aquarii

86 Aquarii is a double giant star in the constellation of Aquarius.

86 Aquarii visual magnitude is 4.47. Because of its moderate brightness, 86 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 86 Aquarii:

Color of 86 Aquarii ⬤

Magnitude of 86 Aquarii 4.47

Class Giant

VISIBILITY RIGHT NOW 86 Aquarii is above the horizon from Greenwich, United Kingdom [change]. Altitude: 14°.

Celestial coordinates and finder chart of 86 Aquarii

86 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 86 Aquarii are provided in the following table:

Right Ascension J2000 23h 06m 40s

Declination J2000 -23° 44’ 35”

Galactic Longitude 35.23°

Galactic Latitude -66.15°

Constellation Aquarius

The simplified sky map below shows the position of 86 Aquarii in the sky:

Simplified finder chart for 86 Aquarii.

Visibility of 86 Aquarii from your location

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

Today's 86 Aquarii rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 113.7° RISE 8:03

Max altitude: 14.8° TRANSIT 11:48

Azimuth: 246.3° SET 15:32

RIGHT NOW 86 Aquarii is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of 86 Aquarii

The image below is a photograph of 86 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 86 Aquarii is 0.066 arcsec per year in Right Ascension and -0.003 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of 86 Aquarii. The red arrow shows the motion of 86 Aquarii during the next 10000 years (11.00 arcmin in Right Ascension and -0.50 arcmin in declination);

Distance of 86 Aquarii from the Sun and relative movement

86 Aquarii is distant 188.22 light years from the Sun and it is moving far from the Sun at the speed of 15 kilometers per second.

Distance (parsec) 57.74 pc

Distance (light year) 188.22 ly

Heliocentric radial velocity 15 km/s

Proper Motion RA 0.066 arcsec/year

Proper Motion Dec -0.003 arcsec/year

Spectral properties of 86 Aquarii

86 Aquarii belongs to spectral class G9 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude 0.66

Spectral Type G9III

Color Index (B-V) 0.9

Temperature of 86 Aquarii 4996K

The red dot in the diagram below shows where 86 Aquarii is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 86 Aquarii. Attribution: Richard Powell / CC BY-SA

86 Aquarii star system properties

86 Aquarii 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 86 Aquarii double sysyem:

Main star magnitude 4.47

Secondary star magnitude 14.47

Magnitude difference 10

Separation 2.9 arcsec

Alternative designations of 86 Aquarii

Flamsteed designation 86 Aquarii

Henry Draper Catalogue HD218240

SAO Catalogue SAO191651

Hipparcos Catalogue HIP114119

Durchmusterung Catalogue CD-2417497

Aitken Double Star Catalogue ADS16511

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Other stars in Aquarius