Your guide to the Solar System and the night sky
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🌎  Observing from: Greenwich, United Kingdom [change]
🌅 Sunrise: 6:45  ☀️ Transit: 13:03  🌅 Sunset: 19:23

Terebellum - ω Sagittarii (omega Sagittarii)

Terebellum, also designated as ω Sagittarii (omega Sagittarii), is a main-sequence star in the constellation of Sagittarius.

Terebellum visual magnitude is 4.7. Because of its moderate brightness, Terebellum 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 Terebellum:

Terebellum - ω Sagittarii (omega Sagittarii) is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of Terebellum

Terebellum is situated south of the celestial equator, as such, it is more easily visible from the southern emisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of Terebellum are provided in the following table:

19h 55m 50s
-26° 17’ 57”

The simplified sky map below shows the position of Terebellum in the sky:

Finder chart Terebellum - ω Sagittarii (omega Sagittarii) star
Simplified finder chart for Terebellum - ω Sagittarii (omega Sagittarii).

Visibility of Terebellum from your location

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

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

Azimuth: 116.3°
Max altitude: 12.2°
Azimuth: 243.7°
Terebellum - ω Sagittarii (omega Sagittarii) is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of Terebellum

The image below is a photograph of Terebellum 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 Terebellum is 0.207 arcsec per year in Right Ascension and 0.083 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of Terebellum - ω Sagittarii (omega Sagittarii) star
DSS2 image of Terebellum. The red arrow shows the motion of Terebellum during the next 1000 years (3.45 arcmin in Right Ascension and 1.38 arcmin in declination);

Distance of Terebellum from the Sun and relative movement

Terebellum is distant 77.56 light years from the Sun and it is moving towards the Sun at the speed of 21 kilometers per second.

23.79 pc
77.56 ly
-21 km/s
0.207 arcsec/year
0.083 arcsec/year

Spectral properties of Terebellum

Terebellum belongs to spectral class G5 and has a luminosity class of V corresponding to a main-sequence star.


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

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

Alternative designations of Terebellum

ω Sagittarii
(omega Sagittarii)
58 Sagittarii