ω1 Aquarii (omega1 Aquarii)

ω1 Aquarii is a hypergiant star in the constellation of Aquarius.

ω1 Aquarii visual magnitude is 5. Because of its moderate brightness, ω1 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 ω1 Aquarii:

Color of ω1 Aquarii ⬤

Magnitude of ω1 Aquarii 5

Class Hypergiant

VISIBILITY RIGHT NOW ω1 Aquarii (omega1 Aquarii) is above the horizon from Greenwich, United Kingdom [change]. Altitude: 6°.

Celestial coordinates and finder chart of ω1 Aquarii

ω1 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 ω1 Aquarii are provided in the following table:

Right Ascension J2000 23h 39m 47s

Declination J2000 -14° 13’ 18”

Galactic Longitude 67.04°

Galactic Latitude -68.89°

Constellation Aquarius

The simplified sky map below shows the position of ω1 Aquarii in the sky:

Finder chart ω1 Aquarii (omega1 Aquarii) star

Simplified finder chart for ω1 Aquarii (omega1 Aquarii).

Visibility of ω1 Aquarii from your location

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

Today's ω1 Aquarii (omega1 Aquarii) rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 104.2° RISE 7:04

Max altitude: 24.3° TRANSIT 11:48

Azimuth: 255.8° SET 16:32

RIGHT NOW ω1 Aquarii (omega1 Aquarii) is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of ω1 Aquarii

The image below is a photograph of ω1 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 ω1 Aquarii is 0.057 arcsec per year in Right Ascension and -0.038 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of ω1 Aquarii (omega1 Aquarii) star

DSS2 image of ω1 Aquarii. The red arrow shows the motion of ω1 Aquarii during the next 10000 years (9.50 arcmin in Right Ascension and -6.33 arcmin in declination);

Distance of ω1 Aquarii from the Sun and relative movement

ω1 Aquarii is distant 133.72 light years from the Sun and it is moving towards the Sun at the speed of 2 kilometers per second.

Distance (parsec) 41.02 pc

Distance (light year) 133.72 ly

Heliocentric radial velocity -2 km/s

Proper Motion RA 0.057 arcsec/year

Proper Motion Dec -0.038 arcsec/year

Spectral properties of ω1 Aquarii

ω1 Aquarii belongs to spectral class F0 and has a luminosity class of IV corresponding to a hypergiant star.

Absolute magnitude 1.94

Spectral Type F0IV

Color Index (B-V) 0.24

Temperature of ω1 Aquarii 7866K

The red dot in the diagram below shows where ω1 Aquarii is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of ω1 Aquarii. Attribution: Richard Powell / CC BY-SA

Alternative designations of ω1 Aquarii

Bayer designation ω1 Aquarii
(omega1 Aquarii)

Flamsteed designation 102 Aquarii

Henry Draper Catalogue HD222345

SAO Catalogue SAO165818

Hipparcos Catalogue HIP116758

Durchmusterung Catalogue BD-15 6471

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Other stars in Aquarius