HR1786

Altitude: -27.8° Azimuth: 42.5° Direction: North-East

HR1786 is a sub-giant star in the constellation of Orion.

HR1786 visual magnitude is 6.32. Because of its reltive faintness, HR1786 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 HR1786:

Color of HR1786 ⬤

Magnitude of HR1786 6.32

Class Sub-giant

VISIBILITY RIGHT NOW

HR1786 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -27.8°
Azimuth: 42.5°
Direction: North-East

Celestial coordinates and finder chart of HR1786

HR1786 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 HR1786 are provided in the following table:

Right Ascension J2000 05h 24m 36s

Declination J2000 +02° 21’ 10”

Galactic Longitude 200.48°

Galactic Latitude -18.07°

Constellation Orion

The simplified sky map below shows the position of HR1786 in the sky:

Simplified finder chart for HR1786.

Visibility of HR1786 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 HR1786 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: 87.6° RISE 7:08

Max altitude: 40.9° TRANSIT 13:18

Azimuth: 272.4° SET 19:27

RIGHT NOW HR1786 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR1786

The image below is a photograph of HR1786 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 HR1786 is 0.011 arcsec per year in Right Ascension and -0.007 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR1786. The red arrow shows the motion of HR1786 during the next 10000 years (1.83 arcmin in Right Ascension and -1.17 arcmin in declination);

Distance of HR1786 from the Sun and relative movement

HR1786 is distant 1,225.56 light years from the Sun and it is moving towards the Sun at the speed of 8 kilometers per second.

Distance (parsec) 375.94 pc

Distance (light year) 1,225.56 ly

Heliocentric radial velocity -8 km/s

Proper Motion RA 0.011 arcsec/year

Proper Motion Dec -0.007 arcsec/year

Spectral properties of HR1786

HR1786 belongs to spectral class B4 and has a luminosity class of IV corresponding to a sub-giant star.

Absolute magnitude -1.56

Spectral Type B4IV

Color Index (B-V) -0.15

Temperature of HR1786 12489K

The red dot in the diagram below shows where HR1786 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR1786. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR1786

Henry Draper Catalogue HD35407

SAO Catalogue SAO112729

Hipparcos Catalogue HIP25288

Durchmusterung Catalogue BD+02 947

In Evidence

Other stars in Orion