χ Serpentis (chi Serpentis)

Above the horizon. Rise: 17:31 | Tran: 0:35 | Set: 7:43

Alt: 33.28° Az: 113.58° Direction: East-South-East

χ Serpentis is a variable hypergiant star of spectral class A0 in the constellation of Serpens.

χ Serpentis visual magnitude is 5.33. Because of its faintness, χ 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 χ Serpentis (chi Serpentis) star

DSS2 image of χ Serpentis. The red arrow shows the motion of χ Serpentis during the next 10000 years (6.67 arcmin in Right Ascension and -0.50 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 15h 42m 59s

Declination +12° 46’ 03”

Hour Angle 20h 32m 53s

Sidereal Time 12h 15m 52s

J2000

Right Ascension 15h 41m 47s

Declination +12° 50’ 51”

Galactic Coordinates

Galactic Longitude 21.83°

Galactic Latitude 47.75°

Finder Chart

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Finder chart for χ Serpentis (chi Serpentis).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.33

Class Hypergiant

χ Serpentis is also a Sr chemically peculiar star.

Absolute magnitude 1.10

Spectral Type A0

Color Index (B-V) 0.04

Temperature 9652K

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

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

Distance, Radial Speed, Proper Motion

χ Serpentis is distant 228.29 light years from the Sun and it is moving far from the Sun at the speed of 2 kilometers per second.

Distance (parsec) 70.03

Distance (light year) 228.29

Radial Speed 2 km/s

Proper Motion RA 0.04 arcsec/y

Proper Motion Dec -0.003"/y

Alternative Designations

Bayer designation χ Serpentis
(chi Serpentis)

Flamsteed designation 20 Serpentis

Henry Draper Catalogue HD140160

SAO Catalogue SAO101683

Hipparcos Catalogue HIP76866

Durchmusterung Catalogue BD+13 2982

FK5 Catalogue 3243

General Catalogue of Variable Stars Chi Ser

Visibility from Your Location

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

Azimuth: 77.2° RISE 17:31

Max altitude: 51.3° TRANSIT 0:35

Azimuth: 282.8° SET 7:43

Set Location

Other stars in Serpens