λ Serpentis (lambda Serpentis)

Above the horizon. Rise: 18:05 | Tran: 0:40 | Set: 7:19

Alt: 19.62° Az: 256.59° Direction: West-South-West

λ Serpentis is a variable hypergiant star of spectral class G0 in the constellation of Serpens.

λ Serpentis visual magnitude is 4.43. Because of its moderate brightness, λ 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 λ Serpentis (lambda Serpentis) star

DSS2 image of λ Serpentis. The red arrow shows the motion of λ Serpentis during the next 1000 years (-3.72 arcmin in Right Ascension and -1.12 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 15h 47m 41s

Declination +07° 16’ 32”

Hour Angle 04h 29m 52s

Sidereal Time 20h 17m 33s

J2000

Right Ascension 15h 46m 26s

Declination +07° 21’ 11”

Galactic Coordinates

Galactic Longitude 15.7°

Galactic Latitude 44.1°

Finder Chart

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Finder chart for λ Serpentis (lambda Serpentis).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.43

Class Hypergiant

Absolute magnitude 4.08

Spectral Type G0V

Color Index (B-V) 0.6

Temperature 5968K

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

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

Distance, Radial Speed, Proper Motion

λ Serpentis is distant 38.32 light years from the Sun and it is moving towards the Sun at the speed of 66 kilometers per second.

Distance (parsec) 11.75

Distance (light year) 38.32

Radial Speed -66 km/s

Proper Motion RA -0.223 arcsec/y

Proper Motion Dec -0.067"/y

Alternative Designations

Bayer designation λ Serpentis
(lambda Serpentis)

Flamsteed designation 27 Serpentis

Henry Draper Catalogue HD141004

SAO Catalogue SAO121186

Hipparcos Catalogue HIP77257

Durchmusterung Catalogue BD+07 3023

Gliese Catalogue Gl 598

General Catalogue of Variable Stars 7246

Visibility from Your Location

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

Azimuth: 82.7° RISE 18:05

Max altitude: 45.8° TRANSIT 0:40

Azimuth: 277.3° SET 7:19

Set Location

Other stars in Serpens