HR1618

Altitude: -4.8° Azimuth: 82.7° Direction: East

HR1618 is a variable hypergiant star in the constellation of Orion.

HR1618 visual magnitude is 5.92. Because of its reltive faintness, HR1618 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 HR1618:

Color of HR1618 ⬤

Magnitude of HR1618 5.92

Class Hypergiant

VISIBILITY RIGHT NOW

HR1618 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -4.8°
Azimuth: 82.7°
Direction: East

Celestial coordinates and finder chart of HR1618

HR1618 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 HR1618 are provided in the following table:

Right Ascension J2000 05h 01m 50s

Declination J2000 +00° 43’ 19”

Galactic Longitude 198.95°

Galactic Latitude -23.81°

Constellation Orion

The simplified sky map below shows the position of HR1618 in the sky:

Simplified finder chart for HR1618.

Visibility of HR1618 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 HR1618 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: 89.3° RISE 6:49

Max altitude: 39.2° TRANSIT 12:51

Azimuth: 270.7° SET 18:53

RIGHT NOW HR1618 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR1618

The image below is a photograph of HR1618 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 HR1618 is 0.001 arcsec per year in Right Ascension and -0.012 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR1618. The red arrow shows the motion of HR1618 during the next 10000 years (0.17 arcmin in Right Ascension and -2.00 arcmin in declination);

Distance of HR1618 from the Sun and relative movement

HR1618 is distant 497.71 light years from the Sun and it is moving far from the Sun at the speed of 21 kilometers per second.

Distance (parsec) 152.67 pc

Distance (light year) 497.71 ly

Heliocentric radial velocity 21 km/s

Proper Motion RA 0.001 arcsec/year

Proper Motion Dec -0.012 arcsec/year

Spectral properties of HR1618

HR1618 belongs to spectral class K0

Absolute magnitude 0.00

Spectral Type K0

Color Index (B-V) 1.27

Temperature of HR1618 4176K

The red dot in the diagram below shows where HR1618 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR1618. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR1618

Henry Draper Catalogue HD32263

SAO Catalogue SAO112334

Hipparcos Catalogue HIP23408

Durchmusterung Catalogue BD+00 923

FK5 Catalogue 2376

General Catalogue of Variable Stars 1806

In Evidence

Other stars in Orion