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

19 Aquarii

19 Aquarii is a hypergiant star in the constellation of Aquarius.

19 Aquarii visual magnitude is 5.7. Because of its reltive faintness, 19 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 19 Aquarii:

5.7
Hypergiant
19 Aquarii is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of 19 Aquarii

19 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 19 Aquarii are provided in the following table:

21h 25m 13s
-09° 44’ 54”
42.4°
-38.5°
Aquarius

The simplified sky map below shows the position of 19 Aquarii in the sky:

Finder chart 19 Aquarii star
Simplified finder chart for 19 Aquarii.

Visibility of 19 Aquarii from your location

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

Today's 19 Aquarii rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 99.7°
Max altitude: 28.8°
Azimuth: 260.3°
19 Aquarii is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of 19 Aquarii

The image below is a photograph of 19 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 19 Aquarii is 0.024 arcsec per year in Right Ascension and -0.171 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of 19 Aquarii star
DSS2 image of 19 Aquarii. The red arrow shows the motion of 19 Aquarii during the next 1000 years (0.40 arcmin in Right Ascension and -2.85 arcmin in declination);

Distance of 19 Aquarii from the Sun and relative movement

19 Aquarii is distant 275.80 light years from the Sun and it is moving towards the Sun at the speed of 21 kilometers per second.

84.60 pc
275.80 ly
-21 km/s
0.024 arcsec/year
-0.171 arcsec/year

Spectral properties of 19 Aquarii

19 Aquarii belongs to spectral class F0 and has a luminosity class of IV corresponding to a hypergiant star.

1.06
F0IV
8163K

The red dot in the diagram below shows where 19 Aquarii is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 19 Aquarii. Attribution: Richard Powell / CC BY-SA

Alternative designations of 19 Aquarii

SAO145382
SAO145382