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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 6:41 
Transit: 12:53 
Sunset: 19:05
sunny   (Daytime)  
What's Visible Now • Tonight Timeline
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All Constellations » Serpens » 

ι Serpentis (iota Serpentis)

Above the horizon.  Rise: 9:06 | Tran: 16:50 | Set: 0:34
Alt: 11.12°   Az: 72.43°   Direction: East-North-East

ι Serpentis is a multiple main-sequence star of spectral class A1 in the constellation of Serpens.

ι Serpentis visual magnitude is 4.52. Because of its moderate brightness, ι 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 ι Serpentis (iota Serpentis) star
DSS2 image of ι Serpentis. The red arrow shows the motion of ι Serpentis during the next 10000 years (-9.50 arcmin in Right Ascension and -7.67 arcmin in declination);

Celestial Coordinates

Apparent

15h 42m 39s
+19° 35’ 32”
17h 32m 45s
09h 15m 25s

J2000

15h 41m 33s
+19° 40’ 13”

Galactic Coordinates

31.42°
50.45°

Finder Chart

Finder chart ι Serpentis (iota Serpentis) star
Simplified finder chart for ι Serpentis (iota Serpentis).

Magnitude, Color, Spectral Class

4.52
Main-sequence

0.67
A1V
9652K

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

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

Star System Properties

ι 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 ι Serpentis double sysyem:

4.52
4.62
0.1
0.1 arcsec

Distance, Radial Speed, Proper Motion

ι Serpentis is distant 192.10 light years from the Sun and it is moving towards the Sun at the speed of 17 kilometers per second.

58.93
192.10
-17 km/s
-0.057 arcsec/y
-0.046"/y

Alternative Designations

ι Serpentis
(iota Serpentis)
21 Serpentis
SAO101682
SAO101682

Visibility from Your Location

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

Azimuth: 70.4°
Max altitude: 58.1°
Azimuth: 289.6°