59 Serpentis

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

59 Serpentis visual magnitude is 5.21. Because of its reltive faintness, 59 Serpentis should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about 59 Serpentis:

Color of 59 Serpentis ⬤

Magnitude of 59 Serpentis 5.21

Class Hypergiant

VISIBILITY RIGHT NOW 59 Serpentis is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of 59 Serpentis

59 Serpentis is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of 59 Serpentis are provided in the following table:

Right Ascension J2000 18h 27m 12s

Declination J2000 +00° 11’ 45”

Galactic Longitude 30.34°

Galactic Latitude 5.48°

Constellation Serpens

The simplified sky map below shows the position of 59 Serpentis in the sky:

Simplified finder chart for 59 Serpentis.

Visibility of 59 Serpentis from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

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

Azimuth: 89.8° RISE 20:54

Max altitude: 38.7° TRANSIT 2:57

Azimuth: 270.2° SET 8:56

RIGHT NOW 59 Serpentis is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of 59 Serpentis

The image below is a photograph of 59 Serpentis from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of 59 Serpentis is -0.008 arcsec per year in Right Ascension and -0.002 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

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);

Distance of 59 Serpentis from the Sun and relative movement

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 pc

Distance (light year) 478.71 ly

Heliocentric radial velocity -23 km/s

Proper Motion RA -0.008 arcsec/year

Proper Motion Dec -0.002 arcsec/year

Spectral properties of 59 Serpentis

59 Serpentis belongs to spectral class G0 and has a luminosity class of III corresponding to a hypergiant star.

Absolute magnitude -0.62

Spectral Type G0III

Color Index (B-V) 0.5

Temperature of 59 Serpentis 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

59 Serpentis 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

Alternative designations of 59 Serpentis

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

In Evidence

Other stars in Serpens