HR1847

Altitude: -16.7° Azimuth: 330.4° Direction: North-North-West

HR1847 is a double giant star in the constellation of Taurus.

HR1847 visual magnitude is 5.46. Because of its reltive faintness, HR1847 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 HR1847:

Color of HR1847 ⬤

Magnitude of HR1847 5.46

Class Giant

VISIBILITY RIGHT NOW

HR1847 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -16.7°
Azimuth: 330.4°
Direction: North-North-West

Celestial coordinates and finder chart of HR1847

HR1847 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 HR1847 are provided in the following table:

Right Ascension J2000 05h 32m 14s

Declination J2000 +17° 03’ 29”

Galactic Longitude 188.5°

Galactic Latitude -8.88°

Constellation Taurus

The simplified sky map below shows the position of HR1847 in the sky:

Simplified finder chart for HR1847.

Visibility of HR1847 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 HR1847 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: 72.9° RISE 23:00

Max altitude: 55.6° TRANSIT 6:32

Azimuth: 287.1° SET 14:01

Digitized Sky Survey image of HR1847

The image below is a photograph of HR1847 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 HR1847 is -0.002 arcsec per year in Right Ascension and -0.009 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

DSS2 image of HR1847. The red arrow shows the motion of HR1847 during the next 100000 years (-3.33 arcmin in Right Ascension and -15.00 arcmin in declination);

Distance of HR1847 from the Sun and relative movement

HR1847 is distant 1,116.44 light years from the Sun and it is moving far from the Sun at the speed of 15 kilometers per second.

Distance (parsec) 342.47 pc

Distance (light year) 1,116.44 ly

Heliocentric radial velocity 15 km/s

Proper Motion RA -0.002 arcsec/year

Proper Motion Dec -0.009 arcsec/year

Spectral properties of HR1847

HR1847 belongs to spectral class B7 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude -2.21

Spectral Type B7III

Color Index (B-V) -0.04

Temperature of HR1847 10653K

The red dot in the diagram below shows where HR1847 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR1847. Attribution: Richard Powell / CC BY-SA

HR1847 star system properties

HR1847 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 HR1847 double sysyem:

Main star magnitude 5.46

Secondary star magnitude 5.86

Magnitude difference 0.4

Separation 9.6 arcsec

Alternative designations of HR1847

Henry Draper Catalogue HD36408

SAO Catalogue SAO94630

Hipparcos Catalogue HIP25950

Durchmusterung Catalogue BD+16 794

Aitken Double Star Catalogue ADS4131

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In Evidence

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