HR1187

HR1187 is a giant star in the constellation of Eridanus.

HR1187 visual magnitude is 5.81. Because of its reltive faintness, HR1187 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 HR1187:

Color of HR1187 ⬤

Magnitude of HR1187 5.81

Class Giant

VISIBILITY RIGHT NOW HR1187 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 10°.

Celestial coordinates and finder chart of HR1187

HR1187 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 HR1187 are provided in the following table:

Right Ascension J2000 03h 48m 35s

Declination J2000 -20° 54’ 11”

Galactic Longitude 214.04°

Galactic Latitude -49.27°

Constellation Eridanus

The simplified sky map below shows the position of HR1187 in the sky:

Simplified finder chart for HR1187.

Visibility of HR1187 from your location

Location: Greenwich, United Kingdom [change]
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

Today's HR1187 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 110.9° RISE 11:48

Max altitude: 17.6° TRANSIT 15:52

Azimuth: 249.1° SET 19:56

RIGHT NOW HR1187 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR1187

The image below is a photograph of HR1187 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 HR1187 is -0.015 arcsec per year in Right Ascension and -0.025 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR1187. The red arrow shows the motion of HR1187 during the next 10000 years (-2.50 arcmin in Right Ascension and -4.17 arcmin in declination);

Distance of HR1187 from the Sun and relative movement

HR1187 is distant 829.52 light years from the Sun and it is moving far from the Sun at the speed of 3 kilometers per second.

Distance (parsec) 254.45 pc

Distance (light year) 829.52 ly

Heliocentric radial velocity 3 km/s

Proper Motion RA -0.015 arcsec/year

Proper Motion Dec -0.025 arcsec/year

Spectral properties of HR1187

HR1187 belongs to spectral class K5 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude -1.22

Spectral Type K5III

Color Index (B-V) 1.64

Temperature of HR1187 3594K

The red dot in the diagram below shows where HR1187 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR1187. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR1187

Henry Draper Catalogue HD23978

SAO Catalogue SAO168851

Hipparcos Catalogue HIP17798

Durchmusterung Catalogue BD-21 703

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In Evidence

Other stars in Eridanus