HR1923

Altitude: 10.9° Azimuth: 112.3° Direction: East-South-East

HR1923 is a variable sub-giant star in the constellation of Orion.

HR1923 visual magnitude is 6.19. Because of its reltive faintness, HR1923 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 HR1923:

Color of HR1923 ⬤

Magnitude of HR1923 6.19

Class Sub-giant

VISIBILITY RIGHT NOW

HR1923 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 10.9°
Azimuth: 112.3°
Direction: East-South-East

Celestial coordinates and finder chart of HR1923

HR1923 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 HR1923 are provided in the following table:

Right Ascension J2000 05h 37m 53s

Declination J2000 -04° 48’ 48”

Galactic Longitude 208.78°

Galactic Latitude -18.54°

Constellation Orion

The simplified sky map below shows the position of HR1923 in the sky:

Simplified finder chart for HR1923.

Visibility of HR1923 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 HR1923 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: 94.8° RISE 8:13

Max altitude: 33.7° TRANSIT 13:47

Azimuth: 265.2° SET 19:20

RIGHT NOW HR1923 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR1923

The image below is a photograph of HR1923 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 HR1923 is 0.004 arcsec per year in Right Ascension and 0.021 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR1923. The red arrow shows the motion of HR1923 during the next 10000 years (0.67 arcmin in Right Ascension and 3.50 arcmin in declination);

Distance of HR1923 from the Sun and relative movement

HR1923 is distant 1,120.27 light years from the Sun and it is moving far from the Sun at the speed of 29 kilometers per second.

Distance (parsec) 343.64 pc

Distance (light year) 1,120.27 ly

Heliocentric radial velocity 29 km/s

Proper Motion RA 0.004 arcsec/year

Proper Motion Dec 0.021 arcsec/year

Spectral properties of HR1923

HR1923 belongs to spectral class B2 and has a luminosity class of IV corresponding to a sub-giant star.

Absolute magnitude -1.49

Spectral Type B2IV

Color Index (B-V) -0.04

Temperature of HR1923 10653K

The red dot in the diagram below shows where HR1923 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR1923. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR1923

Henry Draper Catalogue HD37356

SAO Catalogue SAO132387

Hipparcos Catalogue HIP26477

Durchmusterung Catalogue BD-04 1196

General Catalogue of Variable Stars 2483

In Evidence

Other stars in Orion