HR1933

HR1933 is a sub-giant star in the constellation of Orion.

HR1933 visual magnitude is 5.96. Because of its reltive faintness, HR1933 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 HR1933:

Color of HR1933 ⬤

Magnitude of HR1933 5.96

Class Sub-giant

VISIBILITY RIGHT NOW HR1933 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of HR1933

HR1933 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 HR1933 are provided in the following table:

Right Ascension J2000 05h 38m 37s

Declination J2000 -06° 34’ 26”

Galactic Longitude 210.53°

Galactic Latitude -19.17°

Constellation Orion

The simplified sky map below shows the position of HR1933 in the sky:

Simplified finder chart for HR1933.

Visibility of HR1933 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 HR1933 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: 96.6° RISE 8:30

Max altitude: 31.9° TRANSIT 13:55

Azimuth: 263.4° SET 19:20

RIGHT NOW HR1933 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR1933

The image below is a photograph of HR1933 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 HR1933 is -0.015 arcsec per year in Right Ascension and 0.003 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR1933. The red arrow shows the motion of HR1933 during the next 10000 years (-2.50 arcmin in Right Ascension and 0.50 arcmin in declination);

Distance of HR1933 from the Sun and relative movement

HR1933 is distant 1,567.31 light years from the Sun and it is moving far from the Sun at the speed of 15 kilometers per second.

Distance (parsec) 480.77 pc

Distance (light year) 1,567.31 ly

Heliocentric radial velocity 15 km/s

Proper Motion RA -0.015 arcsec/year

Proper Motion Dec 0.003 arcsec/year

Spectral properties of HR1933

HR1933 belongs to spectral class B1 and has a luminosity class of IV corresponding to a sub-giant star.

Absolute magnitude -2.45

Spectral Type B1IV

Color Index (B-V) -0.23

Temperature of HR1933 14354K

The red dot in the diagram below shows where HR1933 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR1933. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR1933

Henry Draper Catalogue HD37481

SAO Catalogue SAO132405

Hipparcos Catalogue HIP26535

Durchmusterung Catalogue BD-06 1275

In Evidence

Other stars in Orion