Your Guide to the Solar System and the Night Sky
This site is free and ad-free thanks to the support of our users. If you can, please consider a donation.
public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 6:49  
clear_day Transit: 12:50  
SunsetSet: 18:50 south
sleep NighttimeWhat's Visible Now
All Constellations » Sagitta » 

ζ Sagittae (zeta Sagittae)

Altitude: 57.2°   Azimuth: 191.6°   Direction: South-South-West

ζ Sagittae is a multiple main-sequence star in the constellation of Sagitta.

ζ Sagittae visual magnitude is 5. Because of its moderate brightness, ζ Sagittae 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 ζ Sagittae:


ζ Sagittae (zeta Sagittae) is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 57.2°
Azimuth: 191.6°
Direction: South-South-West

Celestial coordinates and finder chart of ζ Sagittae

ζ Sagittae 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 ζ Sagittae are provided in the following table:

19h 48m 58s
+19° 08’ 31”

The simplified sky map below shows the position of ζ Sagittae in the sky:

Finder chart ζ Sagittae (zeta Sagittae) star
Simplified finder chart for ζ Sagittae (zeta Sagittae).

Visibility of ζ Sagittae 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 ζ Sagittae (zeta Sagittae) 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: 70.9°
Max altitude: 57.7°
Azimuth: 289.1°

Digitized Sky Survey image of ζ Sagittae

The image below is a photograph of ζ Sagittae 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 ζ Sagittae is 0.021 arcsec per year in Right Ascension and 0.03 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of ζ Sagittae (zeta Sagittae) star
DSS2 image of ζ Sagittae. The red arrow shows the motion of ζ Sagittae during the next 10000 years (3.50 arcmin in Right Ascension and 5.00 arcmin in declination);

Distance of ζ Sagittae from the Sun and relative movement

ζ Sagittae is distant 326.33 light years from the Sun and it is moving towards the Sun at the speed of 14 kilometers per second.

100.10 pc
326.33 ly
-14 km/s
0.021 arcsec/year
0.03 arcsec/year

Spectral properties of ζ Sagittae

ζ Sagittae belongs to spectral class A3 and has a luminosity class of V corresponding to a main-sequence star.


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

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

ζ Sagittae star system properties

ζ Sagittae is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the ζ Sagittae double sysyem:

0.2 arcsec

Alternative designations of ζ Sagittae

ζ Sagittae
(zeta Sagittae)