5 Serpentis

Below the horizon. Rise: 16:05 | Tran: 22:11 | Set: 4:21

Alt: -20.42° Az: 58.83° Direction: South-West

5 Serpentis is a variable and multiple giant star of spectral class F8 in the constellation of Serpens.

5 Serpentis visual magnitude is 5.06. Because of its faintness, 5 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 5 Serpentis. The red arrow shows the motion of 5 Serpentis during the next 1000 years (6.23 arcmin in Right Ascension and -8.57 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 15h 20m 36s

Declination +01° 40’ 26”

Hour Angle 15h 33m 21s

Sidereal Time 06h 53m 57s

J2000

Right Ascension 15h 19m 18s

Declination +01° 45’ 55”

Galactic Coordinates

Galactic Longitude 3.68°

Galactic Latitude 46.46°

Finder Chart

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Finder chart for 5 Serpentis.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.06

Class Giant

Absolute magnitude 3.10

Spectral Type F8III

Color Index (B-V) 0.54

Temperature 6213K

The red dot in the diagram below shows where 5 Serpentis is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 5 Serpentis. Attribution: Richard Powell / CC BY-SA

Star System Properties

5 Serpentis is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the 5 Serpentis double sysyem:

Main star magnitude 5.06

Secondary star magnitude 9.66

Magnitude difference 4.6

Separation 11.2 arcsec

Distance, Radial Speed, Proper Motion

5 Serpentis is distant 80.57 light years from the Sun and it is moving far from the Sun at the speed of 54 kilometers per second.

Distance (parsec) 24.72

Distance (light year) 80.57

Radial Speed 54 km/s

Proper Motion RA 0.374 arcsec/y

Proper Motion Dec -0.514"/y

Alternative Designations

Flamsteed designation 5 Serpentis

Henry Draper Catalogue HD136202

SAO Catalogue SAO120946

Hipparcos Catalogue HIP74975

Durchmusterung Catalogue BD+02 2944

General Catalogue of Variable Stars MQ Ser

Aitken Double Star Catalogue ADS9584

Visibility from Your Location

Today's 5 Serpentis rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 88.3° RISE 16:05

Max altitude: 40.2° TRANSIT 22:11

Azimuth: 271.7° SET 4:21

Set Location

Other stars in Serpens