We use cookies to deliver essential features and to measure their performance. Learn more.
We're free & ads-free thanks to your support
public LocationGreenwich, UK
Sunrise: 5:00 
Transit: 13:04 
Sunset: 21:07
sunny   (Daytime)   What's Visible Now?
All Constellations » Serpens » 

θ2 Serpentis (theta2 Serpentis)

Below the horizon.  Rise: 18:00 | Tran: 0:20 | Set: 6:43
Alt: -28.72°   Az: 325.46°   Direction: North-West

θ2 Serpentis is a multiple main-sequence star of spectral class A5 in the constellation of Serpens.

θ2 Serpentis visual magnitude is 4.98. Because of its moderate brightness, θ2 Serpentis 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.

θ2 Serpentis is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year.

Image of θ2 Serpentis (theta2 Serpentis) star
DSS2 image of θ2 Serpentis. The red arrow shows the motion of θ2 Serpentis during the next 10000 years (8.17 arcmin in Right Ascension and 4.33 arcmin in declination);

Celestial Coordinates


18h 57m 27s
+04° 14’ 07”
10h 00m 22s
04h 57m 49s


18h 56m 14s
+04° 12’ 06”

Galactic Coordinates


Finder Chart

Finder chart θ2 Serpentis (theta2 Serpentis) star
Simplified finder chart for θ2 Serpentis (theta2 Serpentis).

Magnitude, Color, Spectral Class



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

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

Star System Properties

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

22.2 arcsec

Distance, Radial Speed, Proper Motion

θ2 Serpentis is distant 142.73 light years from the Sun and it is moving towards the Sun at the speed of 53 kilometers per second.

43.78 pc
142.73 ly
-53 km/s
0.049 arcsec/y
0.026 "/y

Alternative Designations

θ2 Serpentis
(theta2 Serpentis)
63 Serpentis

Visibility from Your Location

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

Azimuth: 85.8°
Max altitude: 42.8°
Azimuth: 274.2°