HR1759

Altitude: 23.8° Azimuth: 135.8° Direction: South-East

HR1759 is a double giant star in the constellation of Orion.

HR1759 visual magnitude is 6.39. Because of its reltive faintness, HR1759 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 HR1759:

Color of HR1759 ⬤

Magnitude of HR1759 6.39

Class Giant

VISIBILITY RIGHT NOW

HR1759 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 23.8°
Azimuth: 135.8°
Direction: South-East

Celestial coordinates and finder chart of HR1759

HR1759 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 HR1759 are provided in the following table:

Right Ascension J2000 05h 20m 26s

Declination J2000 -05° 22’ 00”

Galactic Longitude 207.19°

Galactic Latitude -22.66°

Constellation Orion

The simplified sky map below shows the position of HR1759 in the sky:

Simplified finder chart for HR1759.

Visibility of HR1759 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 HR1759 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: 95.4° RISE 19:14

Max altitude: 33.2° TRANSIT 0:49

Azimuth: 264.6° SET 6:20

Digitized Sky Survey image of HR1759

The image below is a photograph of HR1759 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 HR1759 is -0.011 arcsec per year in Right Ascension and 0.029 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR1759. The red arrow shows the motion of HR1759 during the next 10000 years (-1.83 arcmin in Right Ascension and 4.83 arcmin in declination);

Distance of HR1759 from the Sun and relative movement

HR1759 is distant 679.17 light years from the Sun and it is moving far from the Sun at the speed of 20 kilometers per second.

Distance (parsec) 208.33 pc

Distance (light year) 679.17 ly

Heliocentric radial velocity 20 km/s

Proper Motion RA -0.011 arcsec/year

Proper Motion Dec 0.029 arcsec/year

Spectral properties of HR1759

HR1759 belongs to spectral class B8 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude -0.20

Spectral Type B8III

Color Index (B-V) -0.03

Temperature of HR1759 10516K

The red dot in the diagram below shows where HR1759 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR1759. Attribution: Richard Powell / CC BY-SA

HR1759 star system properties

HR1759 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 HR1759 double sysyem:

Main star magnitude 6.39

Secondary star magnitude 11.09

Magnitude difference 4.7

Separation 4.4 arcsec

Alternative designations of HR1759

Henry Draper Catalogue HD34880

SAO Catalogue SAO132004

Hipparcos Catalogue HIP24925

Durchmusterung Catalogue BD-05 1225

Aitken Double Star Catalogue ADS3926

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In Evidence

Other stars in Orion