ε Serpentis (epsilon Serpentis)

Above the horizon. Rise: 18:24 | Tran: 0:44 | Set: 7:08

Alt: 5.70° Az: 269.91° Direction: West

ε Serpentis is a main-sequence star of spectral class A2 in the constellation of Serpens.

ε Serpentis visual magnitude is 3.71. Because of its moderate brightness, ε 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 ε Serpentis (epsilon Serpentis) star

DSS2 image of ε Serpentis. The red arrow shows the motion of ε Serpentis during the next 1000 years (2.13 arcmin in Right Ascension and 1.05 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 15h 52m 04s

Declination +04° 24’ 09”

Hour Angle 05h 45m 29s

Sidereal Time 21h 37m 34s

J2000

Right Ascension 15h 50m 48s

Declination +04° 28’ 40”

Galactic Coordinates

Galactic Longitude 13.15°

Galactic Latitude 41.66°

Finder Chart

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Finder chart for ε Serpentis (epsilon Serpentis).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 3.71

Class Main-sequence

Absolute magnitude 2.04

Spectral Type A2V

Color Index (B-V) 0.15

Temperature 8571K

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

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

Distance, Radial Speed, Proper Motion

ε Serpentis is distant 70.27 light years from the Sun and it is moving towards the Sun at the speed of 9 kilometers per second.

Distance (parsec) 21.56

Distance (light year) 70.27

Radial Speed -9 km/s

Proper Motion RA 0.128 arcsec/y

Proper Motion Dec 0.063"/y

Alternative Designations

Bayer designation ε Serpentis
(epsilon Serpentis)

Flamsteed designation 37 Serpentis

Henry Draper Catalogue HD141795

SAO Catalogue SAO121218

Hipparcos Catalogue HIP77622

Durchmusterung Catalogue BD+04 3069

Gliese Catalogue NN 3921

FK5 Catalogue 588

Visibility from Your Location

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

Azimuth: 85.6° RISE 18:24

Max altitude: 42.9° TRANSIT 0:44

Azimuth: 274.4° SET 7:08

Set Location

Other stars in Serpens