HR1986

Altitude: -39.9° Azimuth: 333.5° Direction: North-North-West

HR1986 is a double giant star in the constellation of Orion.

HR1986 visual magnitude is 6.34. Because of its reltive faintness, HR1986 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 HR1986:

Color of HR1986 ⬤

Magnitude of HR1986 6.34

Class Giant

VISIBILITY RIGHT NOW

HR1986 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -39.9°
Azimuth: 333.5°
Direction: North-North-West

Celestial coordinates and finder chart of HR1986

HR1986 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 HR1986 are provided in the following table:

Right Ascension J2000 05h 46m 02s

Declination J2000 -04° 16’ 05”

Galactic Longitude 209.24°

Galactic Latitude -16.48°

Constellation Orion

The simplified sky map below shows the position of HR1986 in the sky:

Simplified finder chart for HR1986.

Visibility of HR1986 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 HR1986 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: 94.3° RISE 19:07

Max altitude: 34.3° TRANSIT 0:47

Azimuth: 265.7° SET 6:24

Digitized Sky Survey image of HR1986

The image below is a photograph of HR1986 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 HR1986 is 0 arcsec per year in Right Ascension and -0.068 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR1986. The red arrow shows the motion of HR1986 during the next 10000 years (0.00 arcmin in Right Ascension and -11.33 arcmin in declination);

Distance of HR1986 from the Sun and relative movement

HR1986 is distant 371.30 light years from the Sun and it is moving towards the Sun at the speed of 46 kilometers per second.

Distance (parsec) 113.90 pc

Distance (light year) 371.30 ly

Heliocentric radial velocity -46 km/s

Proper Motion Dec -0.068 arcsec/year

Spectral properties of HR1986

HR1986 belongs to spectral class K1 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude 1.06

Spectral Type K1III

Color Index (B-V) 1.05

Temperature of HR1986 4626K

The red dot in the diagram below shows where HR1986 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR1986. Attribution: Richard Powell / CC BY-SA

HR1986 star system properties

HR1986 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 HR1986 double sysyem:

Main star magnitude 6.34

Secondary star magnitude 9.04

Magnitude difference 2.7

Separation 6.9 arcsec

Alternative designations of HR1986

Henry Draper Catalogue HD38495

SAO Catalogue SAO132515

Hipparcos Catalogue HIP27212

Durchmusterung Catalogue BD-04 1235

Aitken Double Star Catalogue ADS4361

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In Evidence

Other stars in Orion