ζ Sagittae (zeta Sagittae)

Above the horizon. Rise: 18:29 | Tran: 1:36 | Set: 8:46

Alt: 4.79° Az: 68.77° Direction: South-West

ζ Sagittae is a multiple main-sequence star of spectral class A3 in the constellation of Sagitta.

ζ Sagittae visual magnitude is 5. Because of its moderate brightness, ζ Sagittae is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

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);

Celestial Coordinates

Apparent

Right Ascension 19h 50m 06s

Declination +19° 12’ 26”

Hour Angle 17h 18m 27s

Sidereal Time 13h 08m 34s

J2000

Right Ascension 19h 48m 58s

Declination +19° 08’ 31”

Galactic Coordinates

Galactic Longitude 56.48°

Galactic Latitude -3.4°

Finder Chart

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Finder chart for ζ Sagittae (zeta Sagittae).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5

Class Main-sequence

Absolute magnitude 0.00

Spectral Type A3V

Color Index (B-V) 0.1

Temperature 9028K

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

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

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:

Main star magnitude 5

Secondary star magnitude 5.5

Magnitude difference 0.5

Separation 0.2 arcsec

Distance, Radial Speed, Proper Motion

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.

Distance (parsec) 100.10

Distance (light year) 326.33

Radial Speed -14 km/s

Proper Motion RA 0.021 arcsec/y

Proper Motion Dec 0.03"/y

Alternative Designations

Bayer designation ζ Sagittae
(zeta Sagittae)

Flamsteed designation 8 Sagittae

Henry Draper Catalogue HD187362

SAO Catalogue SAO105298

Hipparcos Catalogue HIP97496

Durchmusterung Catalogue BD+18 4254

Aitken Double Star Catalogue ADS12973

Visibility from Your Location

Today's ζ Sagittae (zeta Sagittae) rise, transit and set times from Gulou, China are the following (all times relative to the local timezone Asia/Shanghai):

Azimuth: 70.8° RISE 18:29

Max altitude: 68.8° TRANSIT 1:36

Azimuth: 289.2° SET 8:46

Name:	Gulou, China
Latitude:	40° 23' 56.0" N
Longitude:	122° 21' 43.2" E
Timezone:	Asia/Shanghai

Set Location

Other stars in Sagitta