11 Serpentis

Above the horizon. Rise: 18:47 | Tran: 0:38 | Set: 6:34

Alt: 18.59° Az: 242.61° Direction: West-South-West

11 Serpentis is a hypergiant star of spectral class K0 in the constellation of Serpens.

11 Serpentis visual magnitude is 5.51. Because of its faintness, 11 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.

DSS2 image of 11 Serpentis. The red arrow shows the motion of 11 Serpentis during the next 10000 years (-2.83 arcmin in Right Ascension and -7.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 15h 34m 16s

Declination -01° 16’ 14”

Hour Angle 03h 49m 18s

Sidereal Time 19h 23m 34s

J2000

Right Ascension 15h 32m 57s

Declination -01° 11’ 11”

Galactic Coordinates

Galactic Longitude 3.49°

Galactic Latitude 41.94°

Finder Chart

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Finder chart for 11 Serpentis.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.51

Class Hypergiant

Absolute magnitude 0.92

Spectral Type K0III

Color Index (B-V) 1.09

Temperature 4537K

The red dot in the diagram below shows where 11 Serpentis is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 11 Serpentis. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

11 Serpentis is distant 270.32 light years from the Sun and it is moving towards the Sun at the speed of 16 kilometers per second.

Distance (parsec) 82.92

Distance (light year) 270.32

Radial Speed -16 km/s

Proper Motion RA -0.017 arcsec/y

Proper Motion Dec -0.042"/y

Alternative Designations

Flamsteed designation 11 Serpentis

Henry Draper Catalogue HD138562

SAO Catalogue SAO140596

Hipparcos Catalogue HIP76133

Durchmusterung Catalogue BD-00 2982

FK5 Catalogue 3226

Visibility from Your Location

Today's 11 Serpentis rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 91.3° RISE 18:47

Max altitude: 37.2° TRANSIT 0:38

Azimuth: 268.7° SET 6:34

Set Location

Other stars in Serpens