HR1883

HR1883 is a variable and double giant star in the constellation of Orion.

HR1883 visual magnitude is 5.6. Because of its reltive faintness, HR1883 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 HR1883:

Color of HR1883 ⬤

Magnitude of HR1883 5.6

Class Giant

VISIBILITY RIGHT NOW HR1883 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of HR1883

HR1883 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 HR1883 are provided in the following table:

Right Ascension J2000 05h 35m 13s

Declination J2000 +10° 14’ 24”

Galactic Longitude 194.79°

Galactic Latitude -11.82°

Constellation Orion

The simplified sky map below shows the position of HR1883 in the sky:

Simplified finder chart for HR1883.

Visibility of HR1883 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 HR1883 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: 79.8° RISE 7:13

Max altitude: 48.8° TRANSIT 14:04

Azimuth: 280.2° SET 20:54

RIGHT NOW HR1883 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR1883

The image below is a photograph of HR1883 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 HR1883 is 0.022 arcsec per year in Right Ascension and -0.008 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR1883. The red arrow shows the motion of HR1883 during the next 10000 years (3.67 arcmin in Right Ascension and -1.33 arcmin in declination);

Distance of HR1883 from the Sun and relative movement

HR1883 is distant 1,461.88 light years from the Sun and it is moving far from the Sun at the speed of 35 kilometers per second.

Distance (parsec) 448.43 pc

Distance (light year) 1,461.88 ly

Heliocentric radial velocity 35 km/s

Proper Motion RA 0.022 arcsec/year

Proper Motion Dec -0.008 arcsec/year

Spectral properties of HR1883

HR1883 belongs to spectral class B9 and has a luminosity class of III corresponding to a giant star. HR1883 is also a HgMn chemically peculiar star.

Absolute magnitude -2.66

Spectral Type B9III

Color Index (B-V) 0.12

Temperature of HR1883 8839K

The red dot in the diagram below shows where HR1883 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR1883. Attribution: Richard Powell / CC BY-SA

HR1883 star system properties

HR1883 is a visual double star which can be observed with the help of medium or large telescopes. The table below shows key information about the HR1883 double sysyem:

Main star magnitude 5.6

Secondary star magnitude 9.8

Magnitude difference 4.2

Separation 2.9 arcsec

Alternative designations of HR1883

Henry Draper Catalogue HD36881

SAO Catalogue SAO94671

Hipparcos Catalogue HIP26215

Durchmusterung Catalogue BD+10 818

General Catalogue of Variable Stars 2251

Aitken Double Star Catalogue ADS4181

In Evidence

Other stars in Orion