HR1955

Altitude: 6.3° Azimuth: 262.5° Direction: West

HR1955 is a hypergiant star in the constellation of Orion.

HR1955 visual magnitude is 5.93. Because of its reltive faintness, HR1955 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 HR1955:

Color of HR1955 ⬤

Magnitude of HR1955 5.93

Class Hypergiant

VISIBILITY RIGHT NOW

HR1955 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 6.3°
Azimuth: 262.5°
Direction: West

Celestial coordinates and finder chart of HR1955

HR1955 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 HR1955 are provided in the following table:

Right Ascension J2000 05h 41m 05s

Declination J2000 +00° 20’ 16”

Galactic Longitude 204.4°

Galactic Latitude -15.44°

Constellation Orion

The simplified sky map below shows the position of HR1955 in the sky:

Simplified finder chart for HR1955.

Visibility of HR1955 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 HR1955 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: 89.7° RISE 19:06

Max altitude: 38.9° TRANSIT 1:10

Azimuth: 270.3° SET 7:10

Digitized Sky Survey image of HR1955

The image below is a photograph of HR1955 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 HR1955 is 0.015 arcsec per year in Right Ascension and 0.028 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR1955. The red arrow shows the motion of HR1955 during the next 10000 years (2.50 arcmin in Right Ascension and 4.67 arcmin in declination);

Distance of HR1955 from the Sun and relative movement

HR1955 is distant 167.52 light years from the Sun and it is moving towards the Sun at the speed of 13 kilometers per second.

Distance (parsec) 51.39 pc

Distance (light year) 167.52 ly

Heliocentric radial velocity -13 km/s

Proper Motion RA 0.015 arcsec/year

Proper Motion Dec 0.028 arcsec/year

Spectral properties of HR1955

HR1955 belongs to spectral class F0 and has a luminosity class of IV corresponding to a hypergiant star.

Absolute magnitude 2.38

Spectral Type F0IV

Color Index (B-V) 0.3

Temperature of HR1955 7462K

The red dot in the diagram below shows where HR1955 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR1955. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR1955

Henry Draper Catalogue HD37788

SAO Catalogue SAO113033

Hipparcos Catalogue HIP26762

Durchmusterung Catalogue BD+00 1152

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In Evidence

Other stars in Orion