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public  Cinoyong, Indonesia Cinoyong, Indonesia  ⓘ
TimezoneAsia/Jakarta
Sunrise: 6:07 
Transit: 11:58 
Sunset: 17:50
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All Constellations » Serpens » 

ξ Serpentis (xi Serpentis)

Above the horizon.  Rise: 17:22 | Tran: 23:27 | Set: 5:32
Alt: 35.08°   Az: 104.48°   Direction: South-South-West

ξ Serpentis is a variable and double hypergiant star of spectral class F0 in the constellation of Serpens.

ξ Serpentis visual magnitude is 3.54. Because of its moderate brightness, ξ 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 ξ Serpentis (xi Serpentis) star
DSS2 image of ξ Serpentis. The red arrow shows the motion of ξ Serpentis during the next 10000 years (-7.00 arcmin in Right Ascension and -9.67 arcmin in declination);

Celestial Coordinates

Apparent

17h 39m 02s
-15° 24’ 43”
20h 18m 53s
13h 57m 56s

J2000

17h 37m 35s
-15° 23’ 54”

Galactic Coordinates

10.61°
8.66°

Finder Chart

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Finder chart for ξ Serpentis (xi Serpentis).

Magnitude, Color, Spectral Class

3.54
Hypergiant

0.99
F0IV
7726K

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

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

Star System Properties

ξ 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 ξ Serpentis double sysyem:

3.54
12.94
9.4
22 arcsec

Distance, Radial Speed, Proper Motion

ξ Serpentis is distant 105.40 light years from the Sun and it is moving towards the Sun at the speed of 43 kilometers per second.

32.33
105.40
-43 km/s
-0.042 arcsec/y
-0.058"/y

Alternative Designations

ξ Serpentis
(xi Serpentis)
55 Serpentis
SAO160700
SAO160700

Visibility from Your Location

Today's ξ Serpentis (xi Serpentis) rise, transit and set times from Cinoyong, Indonesia are the following (all times relative to the local timezone Asia/Jakarta):

Azimuth: 105.4°
Max altitude: 80.8°
Azimuth: 254.6°