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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 4:58 
Transit: 12:56 
Sunset: 20:55
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All Constellations » Serpens » 

25 Serpentis

Above the horizon.  Rise: 18:51 | Tran: 0:40 | Set: 6:32
Alt: 23.05°   Az: 126.29°   Direction: South-East

25 Serpentis is a giant star of spectral class B8 in the constellation of Serpens.

25 Serpentis visual magnitude is 5.4. Because of its faintness, 25 Serpentis is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

Image of 25 Serpentis star
DSS2 image of 25 Serpentis. The red arrow shows the motion of 25 Serpentis during the next 10000 years (-4.50 arcmin in Right Ascension and -6.33 arcmin in declination);

Celestial Coordinates

Apparent

15h 47m 24s
-01° 52’ 55”
20h 48m 23s
12h 35m 47s

J2000

15h 46m 05s
-01° 48’ 15”

Galactic Coordinates

5.53°
38.99°

Finder Chart

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Finder chart for 25 Serpentis.

Magnitude, Color, Spectral Class

5.4
Giant

-0.09
B8III
10516K

The red dot in the diagram below shows where 25 Serpentis is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 25 Serpentis. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

25 Serpentis is distant 408.01 light years from the Sun and it is moving towards the Sun at the speed of 12 kilometers per second.

125.16
408.01
-12 km/s
-0.027 arcsec/y
-0.038"/y

Alternative Designations

25 Serpentis
SAO140740
SAO140740

Visibility from Your Location

Today's 25 Serpentis rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 91.9°
Max altitude: 36.6°
Azimuth: 268.1°