HR5909

HR5909 is a hypergiant star in the constellation of Serpens.

HR5909 visual magnitude is 6.36. Because of its reltive faintness, HR5909 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 HR5909:

Color of HR5909 ⬤

Magnitude of HR5909 6.36

Class Hypergiant

VISIBILITY RIGHT NOW HR5909 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of HR5909

HR5909 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 HR5909 are provided in the following table:

Right Ascension J2000 15h 52m 56s

Declination J2000 +17° 24’ 12”

Galactic Longitude 29.61°

Galactic Latitude 47.13°

Constellation Serpens

The simplified sky map below shows the position of HR5909 in the sky:

Simplified finder chart for HR5909.

Visibility of HR5909 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 HR5909 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: 72.6° RISE 16:53

Max altitude: 55.9° TRANSIT 0:24

Azimuth: 287.4° SET 7:58

RIGHT NOW HR5909 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR5909

The image below is a photograph of HR5909 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 HR5909 is -0.041 arcsec per year in Right Ascension and 0.002 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR5909. The red arrow shows the motion of HR5909 during the next 10000 years (-6.83 arcmin in Right Ascension and 0.33 arcmin in declination);

Distance of HR5909 from the Sun and relative movement

HR5909 is distant 485.12 light years from the Sun and it is moving towards the Sun at the speed of 12 kilometers per second.

Distance (parsec) 148.81 pc

Distance (light year) 485.12 ly

Heliocentric radial velocity -12 km/s

Proper Motion RA -0.041 arcsec/year

Proper Motion Dec 0.002 arcsec/year

Spectral properties of HR5909

HR5909 belongs to spectral class K0

Absolute magnitude 0.50

Spectral Type K0

Color Index (B-V)

Temperature of HR5909 10125K

The red dot in the diagram below shows where HR5909 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR5909. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR5909

Henry Draper Catalogue HD142244

SAO Catalogue SAO101789

Hipparcos Catalogue HIP77782

Durchmusterung Catalogue BD+17 2926

In Evidence

Other stars in Serpens