We use cookies to deliver essential features and to measure their performance. Learn more.
Home
Search Objects
Major Solar System Objects
Comets
Asteroids
Spacecrafts
Star Maps
Orbits
public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 6:30 
Transit: 12:56 
Sunset: 19:21
sunny   (Daytime)  
What's Visible Now • Tonight Timeline
Search  close
All Constellations » Serpens » 

β Serpentis (beta Serpentis)

Above the horizon.  Rise: 10:04 | Tran: 17:22 | Set: 0:40
Alt: 33.71°   Az: 109.11°   Direction: East-South-East

β Serpentis is a multiple sub-giant star of spectral class A2 in the constellation of Serpens.

β Serpentis visual magnitude is 3.67. Because of its moderate brightness, β 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.

Image of β Serpentis (beta Serpentis) star
DSS2 image of β Serpentis. The red arrow shows the motion of β Serpentis during the next 10000 years (11.17 arcmin in Right Ascension and -7.50 arcmin in declination);

Celestial Coordinates

Apparent

15h 47m 19s
+15° 20’ 47”
20h 21m 38s
12h 08m 58s

J2000

15h 46m 11s
+15° 25’ 18”

Galactic Coordinates

25.98°
47.87°

Finder Chart

Finder chart β Serpentis (beta Serpentis) star
Simplified finder chart for β Serpentis (beta Serpentis).

Magnitude, Color, Spectral Class

3.67
Sub-giant

0.31
A2IV
9434K

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

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

Star System Properties

β Serpentis 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 β Serpentis double sysyem:

3.67
9.97
6.3
30.6 arcsec

Distance, Radial Speed, Proper Motion

β Serpentis is distant 152.98 light years from the Sun and it is moving towards the Sun at the speed of 1 kilometers per second.

46.93
152.98
-1 km/s
0.067 arcsec/y
-0.045"/y

Alternative Designations

β Serpentis
(beta Serpentis)
28 Serpentis
SAO101725
SAO101725

Visibility from Your Location

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

Azimuth: 74.7°
Max altitude: 53.9°
Azimuth: 285.3°