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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 7:54  
clear_day Transit: 11:51  
SunsetSet: 15:49 south
wb_twilight Nautical TwilightWhat's Visible Now?
All Constellations » Taurus » 

ω1 Tauri (omega1 Tauri)

Altitude: -3.8°   Azimuth: 308.6°   Direction: North-West

ω1 Tauri is a giant star in the constellation of Taurus.

ω1 Tauri visual magnitude is 5.5. Because of its reltive faintness, ω1 Tauri 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 ω1 Tauri:


ω1 Tauri (omega1 Tauri) is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -3.8°
Azimuth: 308.6°
Direction: North-West

Celestial coordinates and finder chart of ω1 Tauri

ω1 Tauri 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 Tauri are provided in the following table:

04h 09m 10s
+19° 36’ 33”

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

Finder chart ω1 Tauri (omega1 Tauri) star
Simplified finder chart for ω1 Tauri (omega1 Tauri).

Visibility of ω1 Tauri 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 ω1 Tauri (omega1 Tauri) 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: 70.4°
Max altitude: 58.1°
Azimuth: 289.6°

Digitized Sky Survey image of ω1 Tauri

The image below is a photograph of ω1 Tauri 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 Tauri is 0.104 arcsec per year in Right Ascension and -0.033 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of ω1 Tauri (omega1 Tauri) star
DSS2 image of ω1 Tauri. The red arrow shows the motion of ω1 Tauri during the next 1000 years (1.73 arcmin in Right Ascension and -0.55 arcmin in declination);

Distance of ω1 Tauri from the Sun and relative movement

ω1 Tauri is distant 290.81 light years from the Sun and it is moving far from the Sun at the speed of 25 kilometers per second.

89.21 pc
290.81 ly
25 km/s
0.104 arcsec/year
-0.033 arcsec/year

Spectral properties of ω1 Tauri

ω1 Tauri belongs to spectral class K2 and has a luminosity class of III corresponding to a giant star.


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

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

Alternative designations of ω1 Tauri

ω1 Tauri
(omega1 Tauri)