39 Aquarii

Altitude: -50.6° Azimuth: 24.8° Direction: North-North-East

39 Aquarii is a variable main-sequence star in the constellation of Aquarius.

39 Aquarii visual magnitude is 6.03. Because of its reltive faintness, 39 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 39 Aquarii:

Color of 39 Aquarii ⬤

Magnitude of 39 Aquarii 6.03

Class Main-sequence

VISIBILITY RIGHT NOW

39 Aquarii is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -50.6°
Azimuth: 24.8°
Direction: North-North-East

Celestial coordinates and finder chart of 39 Aquarii

39 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 39 Aquarii are provided in the following table:

Right Ascension J2000 22h 12m 25s

Declination J2000 -14° 11’ 38”

Galactic Longitude 44.03°

Galactic Latitude -50.82°

Constellation Aquarius

The simplified sky map below shows the position of 39 Aquarii in the sky:

Simplified finder chart for 39 Aquarii.

Visibility of 39 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 39 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: 104.2° RISE 1:38

Max altitude: 24.3° TRANSIT 6:22

Azimuth: 255.8° SET 11:07

RIGHT NOW 39 Aquarii is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of 39 Aquarii

The image below is a photograph of 39 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 39 Aquarii is 0.028 arcsec per year in Right Ascension and -0.042 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of 39 Aquarii. The red arrow shows the motion of 39 Aquarii during the next 10000 years (4.67 arcmin in Right Ascension and -7.00 arcmin in declination);

Distance of 39 Aquarii from the Sun and relative movement

39 Aquarii is distant 141.74 light years from the Sun and it is moving far from the Sun at the speed of 15 kilometers per second.

Distance (parsec) 43.48 pc

Distance (light year) 141.74 ly

Heliocentric radial velocity 15 km/s

Proper Motion RA 0.028 arcsec/year

Proper Motion Dec -0.042 arcsec/year

Spectral properties of 39 Aquarii

39 Aquarii belongs to spectral class F2 and has a luminosity class of V corresponding to a main-sequence star.

Absolute magnitude 2.84

Spectral Type F2V

Color Index (B-V) 0.38

Temperature of 39 Aquarii 6989K

The red dot in the diagram below shows where 39 Aquarii is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 39 Aquarii. Attribution: Richard Powell / CC BY-SA

Alternative designations of 39 Aquarii

Flamsteed designation 39 Aquarii

Henry Draper Catalogue HD210705

SAO Catalogue SAO164923

Hipparcos Catalogue HIP109624

Durchmusterung Catalogue BD-14 6229

General Catalogue of Variable Stars 14068

In Evidence

Other stars in Aquarius