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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 5:05 
Transit: 12:56 
Sunset: 20:48
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All Constellations » Serpens » 

ο Serpentis (omicron Serpentis)

Above the horizon.  Rise: 22:03 | Tran: 2:58 | Set: 7:50
Alt: 17.97°   Az: 141.63°   Direction: South-East

ο Serpentis is a variable main-sequence star of spectral class A2 in the constellation of Serpens.

ο Serpentis visual magnitude is 4.26. Because of its moderate brightness, ο 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 ο Serpentis (omicron Serpentis) star
DSS2 image of ο Serpentis. The red arrow shows the motion of ο Serpentis during the next 10000 years (-11.50 arcmin in Right Ascension and -8.67 arcmin in declination);

Celestial Coordinates

Apparent

17h 42m 50s
-12° 53’ 10”
21h 30m 52s
15h 13m 43s

J2000

17h 41m 24s
-12° 52’ 31”

Galactic Coordinates

13.28°
9.17°

Finder Chart

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Finder chart for ο Serpentis (omicron Serpentis).

Magnitude, Color, Spectral Class

4.26
Main-sequence

0.70
A2V
9226K

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

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

Distance, Radial Speed, Proper Motion

ο Serpentis is distant 167.95 light years from the Sun and it is moving towards the Sun at the speed of 30 kilometers per second.

51.52
167.95
-30 km/s
-0.069 arcsec/y
-0.052"/y

Alternative Designations

ο Serpentis
(omicron Serpentis)
56 Serpentis
SAO160747
SAO160747

Visibility from Your Location

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

Azimuth: 102.9°
Max altitude: 25.6°
Azimuth: 257.1°