59 Serpentis

Below the horizon. Rise: 13:28 | Tran: 19:27 | Set: 1:30

Alt: -28.27° Az: 313.02° Direction: North-West

59 Serpentis is a variable and multiple hypergiant star of spectral class G0 in the constellation of Serpens.

59 Serpentis visual magnitude is 5.21. Because of its faintness, 59 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 59 Serpentis. The red arrow shows the motion of 59 Serpentis during the next 100000 years (-13.33 arcmin in Right Ascension and -3.33 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 18h 28m 28s

Declination +00° 12’ 46”

Hour Angle 09h 19m 38s

Sideral Time 03h 48m 07s

J2000

Right Ascension 18h 27m 12s

Declination +00° 11’ 45”

Galactic Coordinates

Galactic Longitude 30.34°

Galactic Latitude 5.48°

Finder Chart

Simplified finder chart for 59 Serpentis.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.21

Class Hypergiant

Absolute magnitude -0.62

Spectral Type G0III

Color Index (B-V) 0.5

Temperature 6389K

The red dot in the diagram below shows where 59 Serpentis is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 59 Serpentis. Attribution: Richard Powell / CC BY-SA

Star System Properties

59 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 59 Serpentis double sysyem:

Main star magnitude 5.21

Secondary star magnitude 7.51

Magnitude difference 2.3

Separation 3.8 arcsec

Distance, Radial Speed, Proper Motion

59 Serpentis is distant 478.71 light years from the Sun and it is moving towards the Sun at the speed of 23 kilometers per second.

Distance (parsec) 146.84

Distance (light year) 478.71

Radial Speed -23 km/s

Proper Motion RA -0.008 arcsec/y

Proper Motion Dec -0.002"/y

Alternative Designations

Flamsteed designation 59 Serpentis

Henry Draper Catalogue HD169985

SAO Catalogue SAO123497

Hipparcos Catalogue HIP90441

Durchmusterung Catalogue BD+00 3936

General Catalogue of Variable Stars d Ser

Aitken Double Star Catalogue ADS11353

Visibility from Your Location

Today's 59 Serpentis rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 89.8° RISE 13:28

Max altitude: 38.7° TRANSIT 19:27

Azimuth: 270.2° SET 1:30

Name:	Greenwich, UK
Latitude:	51° 28' 48.0" N
Longitude:	0° 0' 0.0" E
Timezone:	Europe/London

Location

Other stars in Serpens