HR1809

Altitude: 16.1° Azimuth: 274.4° Direction: West

HR1809 is a sub-giant star in the constellation of Orion.

HR1809 visual magnitude is 6.16. Because of its reltive faintness, HR1809 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 HR1809:

Color of HR1809 ⬤

Magnitude of HR1809 6.16

Class Sub-giant

VISIBILITY RIGHT NOW

HR1809 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 16.1°
Azimuth: 274.4°
Direction: West

Celestial coordinates and finder chart of HR1809

HR1809 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 HR1809 are provided in the following table:

Right Ascension J2000 05h 27m 13s

Declination J2000 +15° 15’ 28”

Galactic Longitude 189.39°

Galactic Latitude -10.86°

Constellation Orion

The simplified sky map below shows the position of HR1809 in the sky:

Simplified finder chart for HR1809.

Visibility of HR1809 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 HR1809 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: 74.7° RISE 6:14

Max altitude: 53.8° TRANSIT 13:32

Azimuth: 285.3° SET 20:50

RIGHT NOW HR1809 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR1809

The image below is a photograph of HR1809 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 HR1809 is -0.014 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 HR1809. The red arrow shows the motion of HR1809 during the next 10000 years (-2.33 arcmin in Right Ascension and -0.33 arcmin in declination);

Distance of HR1809 from the Sun and relative movement

HR1809 is distant 461.10 light years from the Sun and it is moving far from the Sun at the speed of 25 kilometers per second.

Distance (parsec) 141.44 pc

Distance (light year) 461.10 ly

Heliocentric radial velocity 25 km/s

Proper Motion RA -0.014 arcsec/year

Proper Motion Dec -0.002 arcsec/year

Spectral properties of HR1809

HR1809 belongs to spectral class A1 and has a luminosity class of IV corresponding to a sub-giant star.

Absolute magnitude 0.41

Spectral Type A1IV

Color Index (B-V) 0.08

Temperature of HR1809 9226K

The red dot in the diagram below shows where HR1809 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR1809. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR1809

Henry Draper Catalogue HD35693

SAO Catalogue SAO94556

Hipparcos Catalogue HIP25502

Durchmusterung Catalogue BD+15 822

In Evidence

Other stars in Orion