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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:14 
Transit: 12:14 
Sunset: 17:14
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All Constellations » Sagittarius » 

θ2 Sagittarii (theta2 Sagittarii)

Below the horizon.  Rise: 8:20 | Tran: 10:18 | Set: 12:17
Alt: -58.10°   Az: 286.96°   Direction: West-North-West

θ2 Sagittarii is a multiple sub-giant star of spectral class A4 in the constellation of Sagittarius.

θ2 Sagittarii visual magnitude is 5.3. Because of its faintness, θ2 Sagittarii is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

Image of θ2 Sagittarii (theta2 Sagittarii) star
DSS2 image of θ2 Sagittarii. The red arrow shows the motion of θ2 Sagittarii during the next 1000 years (1.67 arcmin in Right Ascension and -1.25 arcmin in declination);

Celestial Coordinates

Apparent

20h 01m 28s
-34° 37’ 38”
09h 28m 25s
05h 29m 53s

J2000

19h 59m 51s
-34° 41’ 52”

Galactic Coordinates

6.17°
-28.34°

Finder Chart

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Finder chart for θ2 Sagittarii (theta2 Sagittarii).

Magnitude, Color, Spectral Class

5.3
Sub-giant

1.89
A4IV
8403K

The red dot in the diagram below shows where θ2 Sagittarii is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of θ2 Sagittarii. Attribution: Richard Powell / CC BY-SA

Star System Properties

θ2 Sagittarii is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the θ2 Sagittarii double sysyem:

5.3
10.8
5.5
30 arcsec

Distance, Radial Speed, Proper Motion

θ2 Sagittarii is distant 156.66 light years from the Sun and it is moving towards the Sun at the speed of 18 kilometers per second.

48.05
156.66
-18 km/s
0.1 arcsec/y
-0.075"/y

Alternative Designations

θ2 Sagittarii
(theta2 Sagittarii)
SAO211717
SAO211717

Visibility from Your Location

Today's θ2 Sagittarii (theta2 Sagittarii) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 124.6°
Max altitude: 3.9°
Azimuth: 235.4°